1 Welcome www.drsarma.in 2 Please Note • • • • • • • • • Only SMS will be sent in future for CMEs Postal / courier invitation will not be sent Make sure you give us your Mobile No. Confirm your participation by SMS Reply to our SMS – To know you received Make sure to send your name in your reply Mark this No. as Dr Sarma 98940 60593 Bring along any other interested doctors Give your e-mail ID. Create one, if not having www.drsarma.in 3 Coronary Heart Disease (CHD) - Risk Approach Dr.R.V.S.N.Sarma., M.D. www.drsarma.in 4 Over view of this CME Session One • CHD Prevention is the Mantra • Over view of atherosclerosis • Risk Factors in detail Session Two • Patient evaluation - what tests to do • Risk scoring tools • Management of risk factors • Take home messages www.drsarma.in 5 Very Alarming Indeed !! • • • • India is the Diabetic capital of the world Indians have one of highest rates of CAD Indian CAD is malignant in its onslaught Obesity in India is 3 fold compared to 1970 It is high time, all of us collectively do what ever best is possible to prevent worsening ! www.drsarma.in 6 Coronary Artery Disease - CAD At the end of the show Cerebro Vascular Disease – CVD there are only two exits Peripheral Vascular Disease – PVD Reno Vascular Disease - MRD Cardio Vascular Diseases - CVD All Other Causes of Death Exit 1 Exit 2 50% 50% www.drsarma.in 7 CHD – THE VOLCANO www.drsarma.in 8 Treatment Advances in CAD • Thrombolysis – Rx. Algorithms •1. Benefit ICU carethe – Defibrillators, Ventilators, IABP lucky few patients who • survived Coronary Angiogram, CT Angio, STS until the hospital door • Primary PTCA – Stents, Elective PTCA 2. They are at best palliative; not curative • Rescue Angioplasty – Drug Eluted Stents • CABG – Beating Heart Surgery • MRV, Angiogenesis - Stem Cell Research • Remember, all the above are prohibitively expensive and not accessible to all www.drsarma.in 9 CAD Scenario • Out 100 cases of MI – – – – – – – – – – 20 persons die – what ever we do or not ! - blessed ones ! Of these – 14/20 (2/3) die even before they see us – lucky Pre hospital very sacred souls !! we are So, oncemortality we are– a patient of MI, Remaining – 6/20 (1/3) – die in+/spite of us permanent patients invalidity !!! Some more may perish – because of us – iatrogenic causes 2 – 3% SCD – Sudden Cardiac deaths – exemplary !!! 1/3 cases of MI are silent MIs – ↑ Risk of death Among the 80 survivors – Reinfarction rates of > 30% Re-stenosis and failure of PTCA around 25% 10% of survivors – LVDF and CHF – chronic invalids www.drsarma.in 10 How foolish we are all !! Samudrae saanta kallole When the waves stop, then Snatum itcchati mooda dhi Shall I bathe, thinks the fool www.drsarma.in 11 How foolish we are all !! Samudrae saanta kallole When the waves stop, then Snatum itcchati mooda dhi Shall I bathe, thinks the fool Samsaare saanta kallole Sans turbulance I am when, Jnanam icchati durmati Then shall I strive for wisdom www.drsarma.in 12 How foolish we are all !! Samudrae saanta kallole When the waves stop, then Snatum itcchati mooda dhi Shall I bathe, thinks the fool Samsaare saanta kallole Sans turbulance I am when, Jnanam icchati durmati Then shall I strive for wisdom Sareerae hrid rogapeeditae The CAD strikes my heart when Roginah kaankshati rakshati Then, shall I crave for prevention www.drsarma.in 13 How to win the battle of CHD • Coronary care units cannot answer all callers • PTCA and CABG not best always feasible Prevention is theare only weapon • Are affordable by and available to only some Need to identify those at greater risk Target them early attempt to forestall damage • Why make a valiant to save the myocardium after all the damage is done • Why not protect our tiny blood pipes by adopting preventive strategies at low cost ! www.drsarma.in 14 Prevention is the key 1. 2. 3. 4. 5. 6. 7. 8. CVD - Is it preventable ?? - Very much Yes. The risk assessment must start very early At the age of 20 years itself Healthy life style and hearty eating habits Regular physical exercise from young age Maintaining ideal weight and hour glass waist Avoiding tobacco and reducing alcohol There are enough guidelines – Implementation ? www.drsarma.in The Progressive Development of Cardiovascular Disease Intervene here Risk Factors Endothelial Dysfunction Atherosclerosis CAD Myocardial Ischemia Coronary Thrombosis Myocardial Infarction Arrhythmia & Muscle Loss Remodeling Ventricular Dilation Congestive Heart Failure End stage Heart Disease www.drsarma.in 15 16 Continuum Risk for a CHD Event Secondary Prevention Post MI/Angina Other Atherosclerotic Manifestations Primary Prevention Subclinical Atherosclerosis Multiple Risk Factors Low Risk www.drsarma.in Courtesy of CD Furberg. 17 Note the individual Endothelial Cells www.drsarma.in 18 www.drsarma.in 19 Endothelial Apoptosis Normal www.drsarma.in Apoptosed 20 The Universal Damage The Essential Components Genes Coronary Risk Factors Endothelial Dysfunction NO ↑ Inflammation ↑ Thrombosis Coronary Heart Disease The Nature (Genetic) conspires with the Nurture (Acquired) www.drsarma.in 21 www.drsarma.in (L-NMMA) = N(G)-mono-methyl-L-arginine Regulatory Functions of the Endothelium Normal www.drsarma.in Dysfunction Vasodilation NO, PGI2, EDHF, BK, C-NP Vasoconstriction ROS, ET-1, TxA2, A-II, PGH2 Thrombolysis Thrombosis PAI-1, TF-α, Tx-A2 tPA, Protein C, TF-I, vWF 22 Platelet Disaggregation Adhesion Molecules NO, PGI2 CAMs, P,E Selectins Antiproliferation Growth Factors NO, PGI2, TGF-, Hep ET-1, A-II, PDGF, ILGF, ILs Lipolysis LPL Inflammation ROS, NF-B Vogel R 23 Progression of Atherosclerosis www.drsarma.in 24 Role of LDL in Inflammation LDL readily enter the artery wall where they may be modified Vessel Lumen LDL Nitric Oxide (NO) Policing the Endothelium Endothelium Oxidation of Lipids and ApoB Aggregation LDL Hydrolysis of Phosphatidylcholine to Lysophosphatidylcholine Other Chemical Modifications Modified LDL Modified LDL is Proinflammatory Steinberg D et al. N Engl J Med 1989;320:915-924. Intima Modified LDL Stimulate Expression of MCP-1 in Endothelial Cells Vessel Lumen Monocyte LDL MCP-1 LDL Monocyte Chemotactic Protein 1 – MCP 1 Endothelium Modified LDL Intima Navab M et al. J Clin Invest 1991;88:2039-2046. 25 26 Differentiation of Monocytes into Macrophages Vessel Lumen Monocyte LDL MCP-1 Endothelium LDL Intima Monocyte Chemotactic Protein 1 – MCP 1 Modified LDL Macrophage Steinberg D et al. N Engl J Med 1989;320:915-924. Modified LDL Promote Differentiation of Monocytes into Macrophages Modified LDL Induces Macrophages to Release Cytokines - Stimulate Adhesion Molecule Vessel Lumen Monocyte LDL Adhesion Molecules MCP-1 Cytokines Endothelium LDL Modified LDL Macrophage Nathan CF. J Clin Invest 1987;79:319-326. Intima 27 Recruitment of Blood Monocytes by Endothelial Cell Adhesion Molecules Monocyte Rolling Sticking Vessel Lumen Transmigration E-Selectin VCAM-1 ICAM-1 Endothelium MCP-1 Intima Charo IF. Curr Opin Lipidol 1992;3:335-343. 28 Macrophages Express Receptors that take up Modified LDL 29 Vessel Lumen Monocyte LDL Adhesion Molecules MCP-1 Endothelium LDL Modified LDL Taken up by Macrophage Foam Cell Macrophage Steinberg D et al. N Engl J Med 1989;320:915-924. Intima Macrophages and Foam Cells Express Growth Factors and Proteinases Vessel Lumen Monocyte LDL Adhesion Molecules Cytokines Macrophage MCP-1 LDL Modified LDL Foam Cell Ross R. N Engl J Med 1999;340:115-126. Endothelium Intima Growth Factors Metalloproteinases Cell Proliferation Matrix Degradation 30 The Remnants of VLDL and Chylomicrons are also Proinflammatory Vessel Lumen Monocyte Remnant Lipoproteins Adhesion Molecules Cytokines Macrophage Endothelium MCP-1 Remnants Modified Remnants Foam Cell Doi H et al. Circulation 2000;102:670-676. Intima Growth Factors Metalloproteinases Cell Proliferation Matrix Degradation 31 32 33 Pathogenesis of ACS Non-Vulnerable Atherosclerotic Plaque www.drsarma.in Vulnerable Atherosclerotic Plaque 34 Atherosclerosis A Progressive Process Normal Fatty Streak Fibrous Plaque Occlusive Atherosclerotic Plaque Plaque Rupture/ Fissure & Thrombosis Unstable Angina MI Coronary Death Stroke Clinically Silent Effort Angina Claudication Critical Leg Ischemia Increasing Age www.drsarma.in Courtesy of P Ganz. The Anatomy of Atherosclerotic Plaque 35 Intima Fibrous cap Lipid core Lumen Media –T lymphocyte – Macrophage foam cell (tissue factor+) – “Activated” intimal SMC (HLA-DR+) –Normal medial SMC www.drsarma.in Libby P. Lancet. 1996;348:S4-S7. The Matrix Skeleton of Unstable Coronary Artery Plaque 36 Fissures in the fibrous cap www.drsarma.in Davies MJ. Circulation. 1996;94:2013-2020. 37 CHD Risk Factors – So Many ? • • • • Malaria – One causative parasite Tuberculosis – One definite bacterium HIV and AIDS – One deadly virus But for CHD – No one specific cause – It is a non communicable disease – It is multi factorial in its causation – The more ignorant we are about the causation, the more risk factors we seek and try to explain www.drsarma.in 38 CHD – Makers and Markers The Makers – Risk Factors – Non Modifiable – The tough six – Modifiable – The conventional six – Modifiable – The contributing six The Markers – Surrogate tests – We rarely care – The simple six – We barely know – The complex six – We hardly need – The experimental six www.drsarma.in 39 CHD Risk Factors - Makers • If non modifiable – why study them ? • Non Modifiable – The Tough Six – – – – – – www.drsarma.in Age Gender Ethnicity Family H/o of premature CHD Phenotype B Type A personality (partly modifiable) 40 CHD Risk Factors - Makers • If modifiable – why not control them ? • Modifiable – The Conventional Six – – – – – – www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking / tobacco Over weight and Obesity Physical inactivity 41 CHD Risk Factors - Makers • Modifiable – The contributing six – – – – – – www.drsarma.in hs-CRP Lp(a) sLDL Endothelial dysfunction Apo B / Apo A1 ratio Homocysteine 42 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Dip stick test LVH – By Echocardiography, ECG, CXR 43 CHD Risk Factors - Markers • We barely know & test – The complex six – – – – – – ABPM – Dippers & Non Dippers FMD – Brachial Flow Mediated Dilatation PCOS – Polycystic Ovarian Syndrome - USG CIMT – Carotid Intima Media Thickness FFAG – Florescence Fundus Angiography STS – Stress Thallium Scan – for perfusion study www.drsarma.in 44 CHD Risk Factors - Markers • We hardly need to test – The experimental six – – – – – – C Peptide – Measure of Insulin Resistance Uric Acid – Surrogate for Inflammation Fibrinogen – Surrogate for coagulability PAI 1 – Plasminogen Activator Inhibitor 1 Inflam. markers – sICAM, ICAM. SAA, IL-6, MMP Sub fractions – of LDL and HDL, IVUS www.drsarma.in 45 CHD Risk Equivalents 1. 2. 3. 4. Diabetes Mellitus Peripheral Vascular Disease (PVD) Framingham risk score of > 20% Carotid artery disease – • • Stroke, TIA > 50% Narrowing, Carotid Bruit 5. Abdominal Aortic Aneurysm (AAA) Adult Treatment Panel III. NIH publication 01-3095. www.drsarma.in 46 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 47 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 48 Age and CAD • • • • • • • • www.drsarma.in CHD risk increases as age advances Men > 45 and women > 55 – high risk CAD-I is 10 years younger Men suffer CAD 10 years early Increased longevity – Aging population Increased duration of risk exposure Multiplicity of risk factors occurs Treatment responses are blunted 49 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 50 Gender and CAD • • • • • • • • www.drsarma.in CAD is ‘Disease of the Men’ – a myth Women CAD presents atypically Silent MI more common; 10 yrs later First attack mortality more common CAD deaths are twice those from all Ca DM is a more powerful risk factor for ♀ ↑ TG, LDL and ↓ HDL are common in ♀ Physical inactivity, Abd. obesity is more 51 Indian Women are Men !! • • • • Indian women compete with men in CAD rates Women CADI is one of the highest on the globe Pre-menopausal women enjoy protection, but This estrogen related protection is annulled • If the women has Lp(a) > 30 mg% • If she has developed T2DM, IGT, IFG, PCOS, GDM • If she has central adiposity (who is non cylindrical?) • If she is a smoker (in rural India women smoke) www.drsarma.in 52 Deaths in Thousands CVD Mortality Trends (1979-1999) www.drsarma.in American Heart Association. 2002 Heart and Stroke Statistical Update. 2001 53 Death From Breast Cancer or Heart Disease in Women www.drsarma.in US Vital Statistics, 1990 WISE Study - Review of Ischemic Heart Disease in Women Percent With Obstructive CAD 100 54 Typical angina 90 Atypical angina 80 Non-angina chest pain 70 60 60 50 30 20 36 34 36 40 21 11 12 12 17 21 25 21 10 0 www.drsarma.in 35-45 y 45-55 y 55-65 y Age (years) 65-75 y Shaw LJ et al. J Am Coll Cardiol. 2006;47(suppl 3):S4-S20. 55 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 56 Ethnic Differences • • • • • Japanese and Chinese lowest rates Whites or Caucasians lower rates Hispanics intermediate rates Asian Indian higher rates Afro-Caribbeans (negroid) highest rates www.drsarma.in 57 Coronary Artery Disease in Indians • CADI strikes early ! • CADI strikes hard !! • CADI strikes almost any one !!! • CADI strikes unexpectedly !!!! • Conventional RF can’t explain it away • CADI is malignant in its onslaught. www.drsarma.in 58 CAD Mortality INDIA Age Adjusted mortality for 100,000 population per year in 35-74 age. www.drsarma.in 59 The CADI Volcano • We are in the middle of the wave of CAD epidemic • This CADI epidemic will peak by 2015 • 50% deaths in India are CVD deaths. • CADI will overtake Infectious diseases in morbidity too • By 2015 CADI will be six times more than the West • CADI will be 20 times more than the Chinese, although • Our culture shuns smoking, 50% are vegetarians and • We lack many of the classic risk factors for CAD • Remember CADI is preventable & predictable www.drsarma.in The CADI study 60 Only 14% of Asian Indian males & 5% of females have Optimal HDL Journal, Ind. Acad. clin. med vol 2 Jul-Sept 2001 120 100 80 60 40 20 0 86 95 14 5 Asian Indian females Asian Indian males % with < optimal level of HDL-C % with an optimal HDL-C levels In Indian patients with CAD, High TG levels are found more often than high cholesterol levels. Prevalence of coronary heart disease and its risk factors in Asian Indians Atherosclerosis , Rosemount , IL Oct 6-11 , 1991 www.drsarma.in 61 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 62 Family Hx. of premature CAD • H/o CAD in the first degree relatives • CAD in male relative before the age 55 • CAD in female relative before the age 65 • Aggressive approach to Rx. of risk factors • Look for non-conventional risk factors • Lp(a), sLDL, ↓ HDL the main culprits www.drsarma.in 63 Age-adjusted prevalence (%) of moderate calcification (CAC Score >100) Coronary Artery Calcification (CAC) and CHD Family History 59 56 60 No family history Parental family history Sibling family history Both 50 40 47 44 41 33 32 30 30 23 22 23 35 24 17 16 20 11 10 0 No risk factors 1 risk factor 2 risk factors 3 risk factors P<0.001 across categories. www.drsarma.in Nasir K et al. Circulation. 2004;110:2150-2156. 64 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 65 Phenotype B and CAD • • • • • • There are 2 phenotypes of lipoproteins Phenotype A and Phenotype B Phenotype A is atheroprotective They have high HDL and low TG Atherogenic lipoprotein Phenotype B - ALP They have low HDL and high LDL, TG www.drsarma.in 66 Nature conspires with Nurture The interaction between our current genotype and our present day life style and eating habits places us at very high risk of having this phenotype B that makes us highly susceptible to atherosclerosis. Journal of Internal Medicine 2003:254(2):114-25 www.drsarma.in 67 Phenotype B or ALP • This ALP or phenotype B is present and seen most often in • Insulin resistant individuals • Diabetics • Obese persons • Sedentary life style • More prevalent in India (40% of Indians) • Apo B ÷ Apo A1 will be > 1.5 www.drsarma.in Characteristics of LDL Phenotype B • Common heritable trait • Frequency: 25%–30% of population • Autosomal dominant inheritance • Reduced penetrance in males 20 yr and in premenopausal females • Associated with • Increased TG, VLDL, and IDL and ↓ HDL2 • Threefold increase in MI risk www.drsarma.in 68 69 Cumulative Distribution of TG Levels Phenotypes A and B 100 90 80 70 % Cumulative60 frequency 50 40 Phenotype A Phenotype B 30 20 10 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 500 TG (mg/dL) Austin M et al. Circulation. 1990;82:495-506. www.drsarma.in 70 Cumulative Distribution of HDL Levels Phenotypes A and B 100 90 80 70 % Cumulative60 frequency 50 Phenotype A Phenotype B 40 30 20 20 25 30 35 40 45 50 55 60 65 70 75 80 HDL-C (mg/dL) Austin M et al. Circulation. 1990;82:495-506. www.drsarma.in 71 Non Modifiable Risk factors 1. Age 2. Gender 3. Ethnicity 4. Family H/o of premature CHD 5. Phenotype B 6. Type A personality www.drsarma.in 72 Type A Personality and CAD • • • • • • • • TABP – Type A behaviour pattern Impatience and time urgency Strong desire to achieve more in less time Free floating hostility – Ever irritated Unwarranted anger, Unable to relax Have many ‘to do lists’ that never end Highly competitive, Very ambitious Grinding their teeth, clinching the fists www.drsarma.in 73 Personality Type B Person Type A Person www.drsarma.in 74 Modifiable Risk factors – BIG 6 1. 2. 3. 4. 5. 6. www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking Over weight and Obesity Physical inactivity Relative risk of CHD Additive Effect Smoking 4.5 16 1.6 3 SBP >160 5 6 4 Dyslipidemia With DM all risks are doubled www.drsarma.in 75 76 CHD Risk Factors - PROCAM Study Risk factor Smoking LDL cholesterol (mg%) > 100 but < 160 > 160 Hypertension (SBP > 140; DBP > 90) HDL cholesterol (mg%) 40 to 55 < 40 Triglycerides (mg%) 105- 167 >167 Fasting blood glucose (mg%) 110 - 126 > 126 Family history of MI www.drsarma.in Relative risk P Value 2.3 0.001 1.9 4.3 1.8 0.01 0.001 0.001 1.7 2.7 0.01 0.001 1.6 2.6 0.01 0.001 1.4 1.9 1.4 0.05 0.01 0.05 77 www.drsarma.in Multiple Risk Factors: ‘Gang Up’ Mean cumulative risk % The total severity of multiple low-level risk factors often exceeds that of a single severely elevated risk factor. 27% 30 25 19% 20 15 10 13% 8% 5 0 BP 165/95 mm Hg BP 165/95 mm Hg Age 56 years BP 165/95 mm BP 165/95 mm HgAge 56 years HgAge 56 years LDL-C 155 mg/dL LDL-C 155 mg/dL Smoker Grundy SM et al. J Am Coll Cardiol 1999;34:1348-1359. 78 79 Modifiable Risk factors – BIG 6 1. 2. 3. 4. 5. 6. www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking Over weight and Obesity Physical inactivity 80 DM and CAD • • • • • Normal values - FBG 100; PPBG 140 Only oral Fasting and Post Glucose test No half hourly blood sampling Nothing as full GTT etc. Measure HbA1c Pre Diabetes • IFG – FBG > 100 to 125 • IGT – PPBG > 140 to 199 • Diabetes • FBG 126 or more; PPBG 200 or more www.drsarma.in 81 Public Awareness A survey of people with Diabetes Findings 68% do not consider cardiovascular disease to be complication of diabetes 50%+ don’t feel risk for heart condition or stroke 60% don’t feel at risk for high blood pressure or cholesterol Awareness lowest among elderly, minorities www.drsarma.in 2 82 Diabetes – CAD Facts More than 65% of all deaths in people with diabetes are caused by cardiovascular disease. Heart attacks occur at an earlier age in people with diabetes and often result in premature death. www.drsarma.in 3 83 Diabetes – CAD Facts Up to 60% of adults with diabetes have high blood pressure. Nearly all adults with diabetes have one or more cholesterol problems, such as: high triglycerides low HDL (“good”) cholesterol high LDL (“bad”) cholesterol www.drsarma.in 4 84 The Good News… By managing the ABCs of diabetes, people with diabetes can reduce their risk for heart disease and stroke. A stands for A1C B stands for Blood pressure C stands for Cholesterol www.drsarma.in 5 85 Atherosclerosis and IR and DM Hypertension Obesity Hyperinsulinemia Insulin Resistance Diabetes Hypertriglyceridemia Small, dense LDL Low HDL Hypercoagulability www.drsarma.in Atherosclerosis CHD Mortality and Hyperinsulinemia Paris Prospective Study (n=943) 86 3 P<0.01 CHD mortality (per 1,000) 2 1 0 29 30-50 51-72 73-114 115 Quintiles (pmol) of fasting plasma insulin www.drsarma.in Fontbonne AM et al. Diabetes Care. 1991;14:461-469. Progression to atherosclerotic clinical events in patients with Diabetes Hyperglycemia Inflammation Infection Defense mechanisms Pathogen burden Insulin Resistance Dyslipidemia AGE Oxidative stress IL-6 CRP SAA 87 HTN Endothelial dysfunction Subclinical Atherosclerosis LDL TG HDL Thrombosis PAI-1 TF tPA Disease Progression Atherosclerotic Clinical Events Biondi-Zoccai GGL et al. J Am Coll Cardiol. 2003;41:1071-1077. 88 DM and CAD - CUPS www.drsarma.in Mohan V et al CUPS… 89 DM and CVE : LIFE study 60 Non-Diabetic (n=7998) (n=1195) Diabetic 46 50 40 30 23 20 10 0 Primary Endpoint Relative Risk: 2.0 Rate per 1000 Patient-Years Rate per 1000 Patient-Years Increased Risk of Primary Endpoint 60 Non-ISH (n=7867) ISH (n=1326) 50 40 30 25 30 20 10 0 Primary Endpoint 1.2 Finnish Diabetes Prevention Study Reduction in Risk for Diabetes 90 23% 25 (n=257) 20 Diabetes (%) 15 10 11% (n=265) 5 0 *P<0.001; Intervention Control 4-year results Tuomilehto J et al. N Engl J Med. 2001;344:1343-1350. 91 Dyslipidemia in IR and DM • Elevated TG • Elevated VLDL All• Diabetics Reduced must HDL be given STATIN • Increase in SD-LDL • Decrease in Apo A I • Increase in Apo B • Ratio of Apo B /Apo A 1 > 1.5 92 Modifiable Risk factors – BIG 6 1. 2. 3. 4. 5. 6. www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking Over weight and Obesity Physical inactivity 93 Dyslipidemia and CAD • • • • • • • ‘Good’, ‘Bad’, ‘Ugly’ and ‘Deadly” Total Cholesterol – TC 200 mg Triglycerides – TG 150 mg Low density lipoprotein LDL 100 mg High density lipoprotein HDL 50 mg (40 ♂) Lipoprotein (a) or Lp(a) 25 mg Apo B ÷ Apo A 1 (Normal) < 1.5 www.drsarma.in 94 Dyslipidemia and CAD • • • • • www.drsarma.in Non HDL = TC – HDL = 200 – 50 = 150 TC ÷ HDL = 200 ÷ 50 = 4 (Often used) TG ÷ HDL = 150 ÷ 50 = 3 (Imp. Indians) LDL ÷ HDL = 100 ÷ 50 = 2 (Often used) LTI – Lipid Tetrad Index (New one 2005) [TC x TG x Lp(a) ] 200 x 150 x 25 = HDL 50 = 15000; Normal is up to 10 K 10 K to 20 K is boarder line More than 20 K is abnormal Structure of LDL 95 Surface Monolayer of Phospholipids and Free Cholesterol apoB Hydrophobic Core of Triglyceride and Cholesteryl Esters Murphy HC et al. Biochemistry 2000;39:9763-970. Structure of HDL apoA-I apoA-II Rye KA et al. Atherosclerosis 1999;145:227-238. 96 Surface Monolayer of Phospholipids and Free Cholesterol Hydrophobic Core of Triglyceride and Cholesteryl Esters Risk Factors for Future Cardiovascular Events: WHS Lipoprotein(a) Homocysteine IL-6 TC LDL-C sICAM-1 SAA Apo B TC:HDL-C hs-CRP hs-CRP + TC:HDL-C 0 1.0 2.0 4.0 6.0 Relative Risk of Future Cardiovascular Events Ridker PM et al. N Engl J Med 2000;342:836-843. 97 Lipid Profile in Young Indian Patients Angiographically Proven CHD Parameter with % Patients Total cholesterol >200 mg/dl 54.3 Triglyceride >200 mg/dl 56.1 HDL <35 mg/dl 59.6 Lp(a) >30 mg/dl 61.4 n=57; age <40 yrs Mishra et al (Cuttack) Indian Heart J 2001; 53: Abst 60 98 99 TC (mg/dL) Trends in Total Cholesterol* for US Adults, 1960-1962 to 1999-2002 270 Men (aged 60-74) 260 Women (aged 50-59) Women (aged 60-74) 250 240 230 † 220 † 210 200 1960-1962 † 1971-1974 1976-1980 1988-1994 1999-2002 *Mean values. †P<0.001 for difference between NHANES III (1988-1994) and NHANES 1999-2002. Carroll MD et al. JAMA. 2005;294:1773-1781. 100 RF in CAD – PROCAM Study Odds Ratio for CAD when LP(a) > 20 mg www.drsarma.in Fasting TG and Risk for CHD Death: Paris Prospective Study 6 Mean annual CHD mortality rate/1,000 TG 123 mg/dL 101 TG 123 mg/dL 4 2 0 220 >220 220 >220 Cholesterol (mg/dL) www.drsarma.in Adapted from Fontbonne A et al. Diabetologia. 1989;32:300-304. 102 Indian Dyslipidemia A. Isolated High Lp(a) B. Isolated low HDL C. Isolated high TG 32.90% 21.35% 10.45% ↑TG ↑ Lp(a) The Triad IHJ, 2000, 52: 173-177 Am J Med, 1998, vol 105(1A), 48S-56S www.drsarma.in ↓HDL 103 Diabetic Dyslipidemia ↑TG ↑sLDL The Triad ↓HDL IHJ, 2000, 52: 173-177 Am J Med, 1998, vol 105(1A), 48S-56S www.drsarma.in 104 Atherogenic lipid profile ↑Lp(a) ↑sLDL The Triad ↓HDL IHJ, 2000, 52: 173-177 Am J Med, 1998, vol 105(1A), 48S-56S www.drsarma.in 105 Reverse Cholesterol Transport MF in Vascular Endothelium LIVER EC Free Chol. UEC HDL HDL scavenges LDL out from EM L CAT Enzyme HDL Prevents LDL oxidation in EM HDL is anti-inflammatory at EM www.drsarma.in 106 TGs Predict CAD Risk Independent of TC and HDL TG <200, HDL 40+ TG 200-799, HDL 40+ (P<0.000) TG <200, HDL <40 (P<0.0001) TG 200-799, HDL <40 (P<0.0001) TG 800+, any HDL (P=0.16) Definite Type III (P<0.0001) 0 1 2 3 4 5 6 7 8 9 10 Odds Ratio www.drsarma.in Hopkins PN et al. J Am Coll Cardiol. 2005;45:1003-1012. How does ↑ ↑ TG increase CHD Risk ? • • • • • Accumulation of chylomicron remnants Accumulation of VLDL remnants Generation of small, dense LDL-C Association with low HDL-C Increased coagulability • plasminogen activator inhibitor (PAI-1) • factor VIIc • activation of prothrombin to thrombin www.drsarma.in 107 108 Modifiable Risk factors – BIG 6 1. 2. 3. 4. 5. 6. www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking Over weight and Obesity Physical inactivity 109 Hypertension and CAD • Normal BP is < 120/80 • Pre hypertension – SBP 120 to 139 DBP 80 to 89 • ISH – DBP normal, SBP > 160 • Pulse Pressure is more predictive CVD • 90 % have ISH by 60 years of age • HT is strong risk factor for CVA • 90% of HT is primary or essential www.drsarma.in 110 HT- RR of stroke and MI 20 5 Year Risk (%) Normotensives Hypertensives 15 10 Stroke Myocardial Infarction 5 0 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Systolic Blood Pressure (mmHg) www.drsarma.in Brown, M.J. Lancet 2000; 355: 659 - 660 Is SBP more dangerous or DBP ? www.drsarma.in 111 HT – CV Mortality 112 The Framingham Heart Study Age-Adjusted Rate/1000 70 65 Normotensive Hypertensive 60 50 35 40 30 29 20 14 10 0 Risk Ratio Men 2.2 Women 2.5 Kannel WB Euro Heart J 1992;13(Suppl G):34-42. Treatment of HT – CV Mortality 113 5 Randomized Trials in 12,483 Elderly Hypertensives Total Number of Individuals Affected 600 494 500 400 300 438 438 346 383 Treatment Control 288 Overall BP Difference Systolic: 15 mm Hg Diastolic: 6 mm Hg 200 100 0 Stroke 34% p<0.001 CHD 19% p<0.05 Vascular Deaths 23% p<0.001 % Reduction in odds: Adapted from MacMahon S, Rodgers A. Clin Exper Hypertension 1993;15(6):967-978. 114 Modifiable Risk factors – BIG 6 1. 2. 3. 4. 5. 6. www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking Over weight and Obesity Physical inactivity 115 Smoking – The Devil www.drsarma.in THE DEADLIEST DEVIL www.drsarma.in 116 117 www.drsarma.in 118 WOMEN SMOKERS PASSIVE SMOKERS www.drsarma.in 119 Intense cause for concern COLLEGE STUDENTS TENDER AGE GROUPS www.drsarma.in 120 AND HONESTLY Tell me what harm smoking does not cause ?? www.drsarma.in Millions of Adults Aged >30 Years 121 Smoking-Related CV Mortality in Year 2000 World Industrialized 2 2 Countries Developing 2 Countries 1.62 1.5 1.5 1.5 1.17 1 1 0.96 1 0.67 0.65 0.45 0.5 0.5 0.3 0.5 0.52 0.15 0 Total Men Women www.drsarma.in 0 Total Men Women 0 Total Men Women Ezzati M et al. Circulation. 2005;112:489-497. 122 Tobacco Smoke and Metabolic Syndrome in Adolescents 9 Percent With MetS 8 8.7% P<0.001 n=2,273 7 6 5.4% 5 4 3 2 1.2% 1 0 www.drsarma.in Nonexposed ETS Exposed Active Smokers ETS = environmental tobacco smoke. Weitzman M et al. Circulation. 2005;112:862-869. 123 Modifiable Risk factors – BIG 6 1. 2. 3. 4. 5. 6. www.drsarma.in Diabetes Mellitus Dyslipidemia Hypertension Smoking Over weight and Obesity Physical inactivity 124 Obesity and Sedentary Life • Two important culprits • Physical inactivity • Heart unhealthy dietary habits • These give rise to over weight & obesity • This causes insulin resistance • Lipid and other metabolic abnormalities • Metabolic syndrome sets in www.drsarma.in 125 Our cut off values ! For Indians • BMI < 23 • BMI of 23 to 24.9 • BMI of > 25 Normal Over weight Obesity WC for ♂ Normal WC for ♀ Normal 90 cm (36”) 80 cm (32”) • • Central adiposity causes ↑IL6, which ↑hepatic hs-CRP www.drsarma.in 126 Television watching became even more convenient with Sony’s introduction of a new remote controlled remote control – Tokyo News line www.drsarma.in This is how we walk the dog ! www.drsarma.in 127 With in no time !! www.drsarma.in 128 129 Metabolic Syndrome - Characteristics Hypertriglyceridemia Low HDL-cholesterol Elevated apolipoprotein B Small, dense LDL particles Inflammatory profile Insulin resistance Hyperinsulinemia Glucose intolerance Impaired fibrinolysis Endothelial dysfunction These features can lead to type 2 diabetes, hypertension and cardiovascular disease www.drsarma.in 130 Metabolic Syndrome Hypertension Microalbuminuria Central obesity 200% CVD Risk www.drsarma.in Insulin Resistance Hyperinsulinaemia Hyperuricemia Triglycerides Prothrombotic state (fibrinogen, Factor VIIa, fibrinolytic activity) Small dense LDL HDL cholesterol Impaired Glucose Tolerance Type 2 Diabetes Diabetes Care 1998;21(2):310–314. Williams G, Pickup JC. Handbook of Diabetes. 2nd Edition, Blackwell Science. 1999. Metabolic Syndrome, Syndrome X, Deadly Quartet, Reaven’s Syndrome Risk Factor Defining Level Abdominal Obesity Waist Circumference Men >90 cm (>36 in) Women >80 cm (>32 in) Triglycerides >150 mg/dl HDL cholesterol Men <40 mg/dl Women <50 mg/dl Blood pressure >130/>85 mmHg Fasting glucose >110 mg/dl www.drsarma.in NCEP guidelines 2001 (WHO Modified for Indians) 131 Insulin Resistance and Atherosclerosis relationship 132 Insulin resistance Hyperinsulinemia Impaired glucose tolerance Hypertriglyceridemia Decreased HDL-C Clinical diabetes Accelerated atherosclerosis www.drsarma.in Essential hypertension Interrelation between Atherosclerosis and Insulin Resistance 133 Insulin Resistance Hypertension Obesity HyperHypertriSmall, Low HDL HypercoaguDiabetes insulinemia glyceridemia dense LDL lability Atherosclerosis www.drsarma.in 134 Acanthosis Nigricans www.drsarma.in 135 Acanthosis Nigricans www.drsarma.in 136 Acanthosis Nigricans www.drsarma.in 137 Composite Ultrasound Carotid Intima-Media Thickness, mm Composite CIMT With Metabolic Syndrome in Young Adults 0.80 r=0.997, Ptrend <0.001 0.78 0.76 0.74 0.72 0.70 0.68 0.66 0.64 0 1 2 3 4 Number of Metabolic Syndrome Components* www.drsarma.in *National Cholesterol Education Program definition. Tzou WS et al. J Am Coll Cardiol. 2005;46:457-463. 138 Age-Adjusted Hazard Ratio* Metabolic Syndrome and 10-Year CVD Risk 2.5 2 Men Women 2.25 1.98 1.88 2.05 1.91 1.68 1.5 1.18 1 0.76 0.5 www.drsarma.in 0 Mortality Fatal CVD Nonfatal CVD Fatal + Nonfatal CVD *National Cholesterol Education Program definition. Dekker JM et al. Circulation. 2005;112:666-673. 139 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 140 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 141 142 143 144 145 146 147 148 149 150 151 Percent with CRP 0.22 mg/dL Elevated CRP Levels in Obesity NHANES 1988-1994 152 25 20 15 10 5 0 www.drsarma.in Normal Overweight Obese Visser M et al. JAMA 1999;282:2131-2135. 153 154 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 155 Lp(a) or Little‘a’ • • • • • Similar to LDL molecule Apo B + additional Apo ‘a’ attached by S=S bond Primary determinant is genetic Normal value 20 mg %, > 30 high risk It competes with plasminogen because of its structural similarity and so interferes with plasmin synthesis and thrombolytic pathway • Nicotinic acid, Estrogens ↓it www.drsarma.in 156 Look at the risks • • • • • • • • Low HDL + High LDL LP(a) excess > 30 mg% LP(a) excess > 30 mg% + LDL high LP(a) excess > 30 mg% + low HDL LP(a) excess > 30 mg% + Incr. tHCy LP(a) excess + Incr. tHCy + low HDL Circulating lipids are one aspects Tissue lipid content is more important + + ++ +++ ++++ +++++ J. Atherosclerosis : Hopkins PN, 1997 – 17, 2792 www.drsarma.in 157 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 158 Atherogenic Particles Apolipoprotein B Non-HDL-C Measurements VLDL VLDLR TG-rich lipoproteins www.drsarma.in IDL LDL SDL Cholesterol lipoproteins 159 Significance of Small, Dense LDL • Low cholesterol content of LDL particles – particle number for given LDL-C level • Associated with levels of TG and LDL-C, and levels of HDL2 • Marker for common genetic trait associated with risk of coronary disease (LDL subclass pattern B) • Possible mechanisms of atherogenicity – Greater arterial uptake – uptake by macrophages – oxidation susceptibility www.drsarma.in Feingold KR et al. Arterioscler Thromb. 1992;12:1496-1502. Lamarche B et al. Circulation. 1997;95:69-75. 160 Association of Small, Dense LDL with Myocardial Infarction N (%) LDL pattern (size) Cases Controls A (LDL 1,2) 54 (37) 90 (63) B (sLDL 4,5) 55 (64) 31 (36) Odds ratio=3.0; P<0.01. 95% CI=1.7-5.2. www.drsarma.in Adapted from Austin M et al. JAMA. 1988;260:1917-1921. 161 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial Dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 162 Oxidative Stress: Endothelial Dysfunction and CAD Hypertension Diabetes Smoking LDL Homocysteine Estrogen deficiency O2 Endothelial Cells and H2O2 Vascular Smooth Muscle Endothelial Dysfunction Apoptosis Leukocyte adhesion www.drsarma.in Lipid deposition Vasoconstriction VSMC growth Thrombosis Prediction future CVE by Endothelial Dysfunction 163 What is the Rx. for Endothelial Dysfunction? • Control of all the known CV risk factors • Main focus on the big six – DM, HTN, Lipids, Obesity, Smoking, Sedentary life style • Diet and physical activity are vital in Rx of ED • Statins are the first line treatment for ED • Glitazones have proven value to improve ED • Insulin and Rx. Insulin resistance improves ED 164 165 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 166 Inter Heart Study Apo B / Apo A1 Ratio evidence of threshold www.drsarma.in No 167 CHD Risk Factors - Makers • Modifiable – The New Six – hs-CRP – Lp(a) – sLDL – Endothelial dysfunction – Apo B / Apo A1 ratio – Homocysteine www.drsarma.in 168 Homocysti(e)ne • Normal value is up to 10 μ mols/L • Folic acid, Vitamin B6 and B12 are essential for the normal transulfuration and remethylation cycles • Excess of homocystine generates oxidative stress on the cell membranes. DNA and protein denaturation through ROS formation • Folic acid 5 mg/ day + Vit. B6 and B12 are to be given on regular basis www.drsarma.in 169 Hyper-homocyst(e)inemia Blood Homocyst(e)ine Levels Classification Normal Moderate Intermediate Severe www.drsarma.in Values in mmol/L 05 – 10 11 – 30 31 – 100 > 100 170 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Prognostic Index LVH – By Echocardiography, ECG, CXR 171 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Dip stick test LVH – By Echocardiography, ECG, CXR Intra abdominal fat www.drsarma.in 172 173 Treasure in our Tummy RISK LEVEL BMI < 23 BMI > 23 WC < 90 cm ♂ WC < 80 cm ♀ GOOD 1 BAD 4 WC > 90 cm ♂ WC > 80 cm ♀ WORSE 8 WORST 16 www.drsarma.in 174 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Dip stick test LVH – By Echocardiography, ECG, CXR 175 Erectile Dysfunction – Today’s concept Penis is the barometer of Endothelial Health Erectile Dysfunction is a mirror of Cardiovascular Risk ED = ED 176 ED = ED • Erectile Dysfunction = Endothelial Dysfunction • Marker of CV Health and CVD • Due poor NO balance at the endothelium • Penis is the barometer of cardiovascular health • Close questioning is essential to uncover it • Data suggests that is more so in South Asians www.drsarma.in 177 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Dip stick test LVH – By Echocardiography, ECG, CXR 178 Ankle-Brachial Index (ABI) Resting and post exercise SBP in ankle & arm • Normal ABI is 1 to 0.90 • ABI < 0.9 has 95% specificity for angiographic early PVD • ABI of 0.6- 0.84 correlates with claudication • ABI < 0.6 advanced ischemic limb • Always check pedal pulses • Question for intermittent claudication 179 ABI Population Study ABI < 0.9 Sensitivity Specificity CHD 16.5 (12.8–20.2) 92.7 (92.1–93.3) Stroke 16.0 (12.9–19.1) 92.2 (91.9–92.5) All-cause mortality 31.2 (27.8–34.6) 88.9 (88.2–89.6) CV mortality 41.0 (33.8–48.2) 87.9 (87.2–88.6) Edinburgh Artery Study on ABI Ankle/brachial blood pressure index (ABI) in randomly selected population, 5-year follow-up 1592 men and women, 614 with CHD, aged 55–74 CHD Event Outcomes per Year (%) 137 fatal and nonfatal CHD events during follow-up 3.8% 4 3 2 1.4% 1 0 >1.1 1.1–1.01 1.0–0.91 0.9–0.71 ABI Leng GC et al. BMJ 1996;313:1440-1444. <0.7 180 181 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Prognostic index LVH – By Echocardiography, ECG, CXR 182 Which is important ? SBP or DBP www.drsarma.in 183 184 185 PulseMetric The morphology of the waveform should be considered when interpreting the numbers below. CARDIAC PARAMETERS LV Ejection Time (sec) LV dP/dt Max (mmHg/s) LV Contractility (1/s) Cardiac Output (L/min) Cardiac Index (L/min/m2) Stroke Volume (mL) Stroke Vol Index (mL/m2) 0.373 1,200 15.95 4.41 2.47 74.2 41.6 [Normal Range(Male)*] [0.207 - 0.388] [847 - 1506] [12.39 - 19.08] [3.59 - 7.9] [1.95 - 3.74] [57.7 - 100.7] [31.8 - 48] SYSTEMIC VASCULAR PARAMETERS SV Compliance 1.43 [1.02 - 2] (mL/mmHg) SV Resistance 1598 [871 - 1902] (dynes/sec/cm5) BRACHIAL ARTERY PARAMETERS BA Compliance 0.069 [0.056 - 0.132] (mL/mmHg) BA Distensibility 5.44 [4.38 - 9.28] (%/mmHg) Brachial Artery Distensibility, SVR, CO, LV dP/dt Uses Oscillometric BP cuff 186 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Prognostic index LVH – By Echocardiography, ECG, CXR 187 Micro Albuminuria (MAU) • • • • • • • • MAU: 30-300mg albumin in urine over 24 hrs Occurs in DM and HT Detected by new dipstick tests for MAU Most accurate assessment is 24hr collection Screening by ACR on spot urine (first morning) MAU is a marker of early stage renal damage Regression of MAU decreases risk A marker of generalized CVD risk www.drsarma.in 188 Definitions of abnormalities in albuminuria Category 24 hour collection (mg/24h) Timed collection (g/min) Spot collection (g/mg Creatine) Normal < 30 < 20 < 30 Microalbuminuria 30-299 20-199 30-299 Clinical (macro) albuminuria 300 200 300 Because of variability in urinary albumin excretion, 2 of 3 specimens over 3-6 should be abnormal before considering diagnostic threshold positive False positive: exercise < 24 hours, fever, CHF, marked hyperglycemia, marked HTN, pyuria and hematuria. www.drsarma.in 189 Relative Importance of MAU 10.02 10 8 6.52 6 CHD Odds Ratio 4 3.20 2.32 2 0 Microalbuminuria Smoking Hypertension Cholesterol Eastman RC, Keen H. Lancet 1997;350 Suppl 1:29-32. www.drsarma.in 190 CHD Risk Factors - Markers • We rarely care to identify – The simple six – – – – – – www.drsarma.in WC – Waist Circumference – Are we tailors? ED – Erectile Dysfunction; ED = ED ABI – Ankle Brachial Index, IC, Pedal pulse PP – Pulse Pressure – Importance of ISH MAU – Micro Albuminuria – Dip stick test LVH – By Echocardiography, ECG, CXR 191 TS OF HEART - LVH Normal < 10 mm This case 26 mm www.drsarma.in 192 CVE and LVH Age-Adjusted Rate/1000 The Framingham Heart Study 80 70 60 50 40 30 20 10 0 69 55 42 32 23 15 Men Risk Ratio No LVH LVH 3.0 CHD Women 3.7 10 8 Men Women Stroke 3.2 5.3 Cupples LA, D’Agostino RB. NIH Publication No 87-2703, Feb 1987. 193 CHD Risk Factors - Markers • We barely know & test – The complex six – – – – – – ABPM – Dippers & Non Dippers FMD – Brachial Flow Mediated Dilatation PCOS – Polycystic Ovarian Syndrome - USG CIMT – Carotid Intima Media Thickness FFAG – Florescence Fundus Angiography STS – Stress Thallium Scan – for perfusion study www.drsarma.in 194 CHD Risk Factors - Markers • We barely know & test – The complex six – – – – – – ABPM – Dippers & Non Dippers FMD – Brachial Flow Mediated Dilatation PCOS – Polycystic Ovarian Syndrome - USG CIMT – Carotid Intima Media Thickness FFAG – Florescence Fundus Angiography STS – Stress Thallium Scan – for perfusion study www.drsarma.in Dippers & Non Dippers Systolic Blood Pressure Systolic Blood Pressure (mm Hg) 160 150 140 Non - dippers 130 Dippers 120 110 6 8 10 12 14 16 18 20 22 24 2 4 24 hours clock time www.drsarma.in Yonsei, Med J, Vol 43, No 3: 2002 195 Dippers & Non Dippers Diastolic Blood Pressure (mm Hg) Diastolic Blood Pressure 100 90 Non - dippers 80 Dippers 70 6 8 10 12 14 16 18 20 22 24 2 4 24 hours clock time www.drsarma.in Yonsei, Med J, Vol 43, No 3: 2002 196 197 CHD Risk Factors - Markers • We barely know & test – The complex six – – – – – – ABPM – Dippers & Non Dippers FMD – Brachial Flow Mediated Dilatation PCOS – Polycystic Ovarian Syndrome - USG CIMT – Carotid Intima Media Thickness FFAG – Florescence Fundus Angiography STS – Stress Thallium Scan – for perfusion study www.drsarma.in 198 Brachial Artery Flow-Mediated Vasodilation 3.6 mm 3.1 mm Baseline www.drsarma.in 5 Minutes Blood Pressure Cuff Occlusion – 1 Minute Release Post-Occlusion 199 Management of CHD Risk www.drsarma.in 200 What Evaluations We Need ? • • • • • • • • Age, Sex, Tobacco, Family Hx. premature CAD Nature of occupation and level of physical activity Height, Weight, BMI, Waist Circumference Blood pressure, pulse pressure, peripheral pulses Clinical LVH, ECG, CXR for LVH, Echo better FBG, PPBG, Hb A1c for DM and Pre Diabetes Fasting Lipid profile, Lp(a) once, hs-CRP once Urine albumin, MAU, ABI, Questing for ED, IC www.drsarma.in 201 CHD Risk Scoring • Framingham Risk Score • UKPDS Risk Engine • PROCAM Risk Calculator • Diabetes PHD (ADA) www.drsarma.in The PROCAM Algorithm MI´s (%) in 10 Years 25 21.4 20 15 10 5 0 7.6 0.6 I 2.1 2.8 II III IV Quintile of point Score V Independent variables were: age, systolic blood pressure, LDL-C, HDL-C, triglycerides, diabetes mellitus, smoking, family history of MI 325 fatal and nonfatal myocardial infarctions in 4,818 men aged 35-65 years 203 T2DM Risk Estimation • HOMA Calculator • Indian Diabetic Risk Score www.drsarma.in 204 CHD Prevention Total Life Style Change (TLC) Medical Nutrition Therapy (MNT) Physical Activity (PA) www.drsarma.in 205 www.drsarma.in 206 Physical Activity • • • • What type of activity? Walking/Jogging How much? At least 45 min/day How often? On ever day almost At what intensity? HR of 120 –130/mt The answer is The health benefits of physical activity are proportionately related to ‘Exercise Volume’ Exercise Volume = Duration x Frequency x Intensity www.drsarma.in 207 CVD Risk Management Intervention • Dietary/weight counseling Diabetes management • Exercise • Education of patients and families www.drsarma.in Goals • Achieve optimal BMI • saturated fats; fruits, vegetables, fiber • Achieve HbA1c <7% • Improve physical fitness (aim for 30 min/d on most days per week) • Optimize awareness of CAD risk factors Braunstein JB et al. Cardiol Rev. 2001;9:96-105. 208 General Principles • • • • • • • • • Sugar and CHO to be replaced by complex CHO Fiber should be integral part – What foods ? Saturated fat to be avoided totally Do not reuse boiled oil – It is saturated fat Grill, Broil, Bake, Cook in water or Microwave Don’t eat deep fat fried items – very tasty ! Use non stick cook ware. Reduce portion sizes Fresh fruits and raw vegetables - must every day Don’t eat fried snacks – chips, savories, sweets www.drsarma.in 209 Foods - Glycemic Index www.drsarma.in DASH DIET Type of Food Grains (whole grains) Vegetables Fruits (not tinned juices) Low fat milk Lean meat, poultry Nuts, seeds (dry roast, soak) Fats and oils Sweets and pastries Salt at table and salted foods www.drsarma.in Servings (1600 K cal) 6 per day 3 per day 4 per day 2 per day 3 per day 3 per week 2 per day 0 per day None 210 Alternative Food Plans Healthy Eating Pyramid www.drsarma.in 211 Vegetarian Food Pyramid www.drsarma.in 212 213 www.drsarma.in www.drsarma.in Fruits and vegetables 214 Fruit sugars are safe Fruit pulp is to be eaten Not canned fruits, juices Avoid coffee, chocolate Gift fruits - not sweets Offer fruits as courtesy Eat fresh cut vegetables Snack on fruits, nuts Don’t over cook veg. Reduce simple CHO Fruits give us K+ Use soups, butter milk 215 Type Fats in our food • Saturated Fatty acids – SAFA - ↑ LDL ↑ TG, ↑ LDL-R • Butter, Ghee, Palm oil, Beef oil, Coconut oil • Unsaturated Fatty acids - UFA – Mono unsatur. fatty acids – MUFA ↓ LDL ↓ TG, HDL, AA • Olive oil, Safflower oil, Canola oil, Groundnut oil – Poly unsatur. fatty acids – FUFA ↓ LDL , ↓ Pl Agg, ↓Inflam. • Corn oil, Sunflower oil, Cotton seed oil – N3 and N6 FAs – Trans unsatur. fatty acids – TRUFA ↑LDL ↑SDL, ↓HDL, A • Dalda, Vanaspati, Margarine, processed fried foods www.drsarma.in ATP III: Nutritional Components of the TLC Diet Nutrient Recommended Intake Saturated fat* <7% of total calories Polyunsaturated fat Up to 10% of total calories Monounsaturated fat Up to 20% of total calories Total fat 25%–35% of total calories Carbohydrate (esp. complex carbs) Fiber 50%–60% of total calories 30–40 g/d Protein Cholesterol 216 ~15% of total calories <200 mg/d *Trans fatty acids also raise LDL-C and should be kept at a low intake. Note: Regarding total calories, balance energy intake and expenditure to maintain desirable body weight. www.drsarma.in Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults. JAMA. 2001;285:2486-2497. Chemical Structure of Fats www.drsarma.in 217 Comparison of Dietary Fats www.drsarma.in 218 Reduced Intake of Trans-Fatty Acids: Estimated Effects on CHD* 219 Proportion of CHD Events Preventable in the United States (%)† Based on change in total: HDL-C (dietary trials) Based on replacement with carbohydrates (prospective studies) 0 Based on additional benefits of replacement with cis unsaturated fats (prospective studies) -5 -10 -15 -20 -25 Reduction by half *Nonfatal myocardial infarction or death †Population attributable risk CHD=coronary heart disease www.drsarma.in Near-elimination Population Change in Trans-Fatty Acid Intake Mozaffarian D et al. N Engl J Med. 2006;354:1601-1613. Fruit/Vegetable Consumption: Effects on Stroke Risk Reduction Meta-Analysis of 8 Studies (N=257,551) 3-5 vs <3 servings 0.89 (0.83-0.97) P=0.005 >5 vs <3 servings 0.74 (0.69-0.79) P<0.0001 0.5 1.0 1.5 Pooled Relative Risk (95% CI) www.drsarma.in He FJ et al. Lancet. 2006;367:320-326. 220 Percent Mortality Reduction Approximate Mortality Reduction: Pharmacotherapy* and Lifestyle/Diet† 221 45 40 35 30 25 20 18 21 23 26 Potential lifestyle/ diet range (approx.) 15 10 5 0 Low-dose Aspirin Statins *In coronary artery disease patients. †After myocardial infarction. www.drsarma.in Betablockers ACEIs Adapted from Iestra JA et al. Circulation. 2005;112:924-934. 222 Effect of Lifestyle Changes on Angiographic CAD Duration % (Control-Treatment) Study N Lifestyle 28 CAD Diet, exercise, meditation 1 35 -40 STARS 90 CAD, high TC Diet (including fiber) 3.2 35 -38 CAD Diet + exercise 1 25 -15 Heidelberg www.drsarma.in 113 Patient type Therapy (yr) Progression Regression Superko HR, Krauss RM. Circulation. 1994;90:1056-1069. 223 Obesity – Treatment Issues • • • • • • • • Goal – Reduction of 5 to 10% of existing weight Time frame – 6 months to 1 year No quick fixes; Crash weight reduction harmful Sibutramine – Leptos, Obirax, Slenfig Orlistat – Xenical, Obestat Rimonabant – ECB1antagonist. New- for obesity Gastric banding GI plasty, Liposuction www.drsarma.in 224 CHD Prevention Smoking Cessation www.drsarma.in 225 SURE TO GRAVE www.drsarma.in 226 How to Quit Smoking ? Five steps in quitting • Ask all patients about Onus is on the Doctor • personal history of smoking One success is great ! • exposure to passive smoke inhalation • ASK • Ask at each visit to check smoking status • ADVISE • ASSESS • Advice to quit must be clear and unambiguous • ASSIST • Be supportive and nonjudgmental ! • ARRANGE • Remember, you aren’t the one quitting ! • Offer resources and support consistent with individual’s needs readiness to quit • Follow-up at each visit ! www.drsarma.in 227 Smoking Cessation 5. Withdrawal 4. Boredom 3. Sense of deprivation or depression 2. Emotional upset and stress 1. Alcohol abuse ! one devil replaced by another devil www.drsarma.in • Reduction of total personal exposure to tobacco smoke, • Smoking cessation is the single most effective - and cost effective intervention to ↓ the risk of COPD • It is crucial for CAD prevention • It is the corner stone in PAD 228 Smoking Cessation 1. 2. 3. 4. Bupropion Smoquit-SR, Nicotex • Helpful for physical withdrawal symptoms • Can be dosed according to degree of use In psychological • dependence on nicotine • Useful in individuals with or at risk for depression– • Contraindicated in drug interactions or seizure • disorder • www.drsarma.in Costs the same as daily smoking habit Most products of NRT - cautious use in cardiac patients Bupropion may be alternative to NRT Dosage form depends on need Patch is more constant level, sprays & inhaler a more rapid effect 229 CHD Prevention Medications www.drsarma.in AHA Evidence-Based Guidelines For CVD Prevention 230 Key Strategies for High-Risk Patients (10-year CHD risk >20%) • Physical activity/cardiac rehabilitation • Smoking cessation • Diet tx; weight maintenance/reduction • BP, lipid control (statin tx) • Aspirin, ß-blocker tx • ACE inhibitor tx (ARBs if contraindicated) • Glycemic control in diabetes • No routine HRT in PM women www.drsarma.in Expert Panel/Writing Group. Circulation. 2004;109:672-693. 231 CHD Prevention Strategies www.drsarma.in 232 Primary Prevention of CHD • • • • • • Hypertension control A, B, D Aspirin 100 to 150 mg Exercise, Weight Reduction Smoking cessation Statin therapy to lower cholesterol levels Estrogen replacement therapy no benefit www.drsarma.in 233 Secondary Prevention of CHD • • • • • • • • www.drsarma.in Hypertension control Beta blockers Aspirin 150 to 300 mg ACEi or ARB Aggressive Statin therapy PTCA; CABG Smoking cessation Exercise rehabilitation Lowest Effective Aspirin Dose for MI and Stroke Reduction • Primary Prevention – MI in men ≥50 – MI in women ≥50 – Stroke in men ≥50 – Stroke in women ≥50 – Stroke in men/women with AF • Secondary Prevention (in men/women) – MI with HX stable CAD – MI with HX AMI – Stroke with HG stroke/TIA – Stroke without HG acute stroke www.drsarma.in 234 (mg/d) 160 100 160 100 325 (mg/d) 75 160 50 160 Dalen JE. Am J Med. 2006;119:198-202. 235 Secondary Prevention of CAD www.drsarma.in 236 Control of Diabetes www.drsarma.in Control of DM • • • • • • • • T2DM is CAD Equivalent, PVD more common It equalizes gender difference before 50 years FBG & PPBG control – diet, exercise, medicines HbA1c must be kept below 7 – preferably 6.5 B.P. target 130/80 – 10 mm less than non DM Must get statin even if lipids are normal Aggressive control of Dyslipidemia ACEi are a must. B blockers if there is no PVD www.drsarma.in 237 Control of DM • Oral Agents 1. 2. 3. 4. 5. • Insulins – • Metformin Sulfonylureas – New Generation Thiazolidines – Pioglitazone, Rosiglitazone Repaglinide and Metaglinide AGIs – Acarbose, Meglitol Conventional, Pens, Analog insulins, Aerosol, Pump Latest developments – www.drsarma.in Exenitide, GLP-1 analogs, Dual PPARs, Amylin 238 239 Diabetes Prevention Program Placebo (n=1,082) Metformin (n=1,073) Lifestyle (n=1,079) 31/69 34/66 32/68 Age (y) 50 ± 10 51 ± 10 51 ± 11 Fasting plasma glucose (mg/dL) 107 ± 8 107 ± 9 106 ± 8 Plasma glucose 2 hours postchallenge (mg/dL) 165 ± 17 165 ± 17 164 ± 17 11 7.8 31 (17–43) 4.8 58 (48–66) Baseline Characteristics Male/Female (%) Results Diabetes incidence* RRR (%, 95% CI)† *Cases per 100 person-years; †vs placebo. RRR=relative risk reduction. DPP Research Group. N Engl J Med. 2002;346:393-403. Secondary Prevention: CHD Risk Reduction in the 4S Subgroup of Patients With Diabetes No. patients with events P Total mortality 232 24 CHD mortality 172 17 Major CHD event 578 44 Any CHD event 871 56 CABG or PTCA 363 20 Cerebrovascular event 90 12 Any atherosclerotic event 961 61 Nondiabetic Diabetic Simvastatin better 240 Placebo better S 167 15 99 12 407 24 667 41 238 15 70 5 750 46 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 RR with 95% CIs Pyörälä K et al. Diabetes Care. 1997;20:614-620. 241 Control of Hypertension www.drsarma.in Control of HT • • • • • • • • HT is a strong risk factor for CHD and CVD ISH is more important than ↑ DBP alone Salt restriction – daily 2 g/day of Na Diet low in saturated fats. Rx. Of dyslipidemia Goal B.P. is 140/90 – 10 mm less for Diabetic HT ACEIs / ARBs, BB, Thiazides - at least 2 drugs ISH – CCBs and BBs; Indapamide useful TOD – LVH, ABI, Pulse pressure, Brachial FMD www.drsarma.in 242 243 Control of Dyslipidemia www.drsarma.in Clinical Benefits of Cholesterol Reduction 244 • A recent meta-analysis of 38 trials demonstrated that for every 10% reduction in TC • CHD mortality decreased by 15% (P<0.001) • Total mortality decreased by 11% (P<0.001) • Decreases were similar for all treatment modalities • Cholesterol reduction did not increase non-CHD mortality www.drsarma.in Gould AL et al. Circulation. 1998;97:946-952. 245 LDL-C Lowering - Statin Dose Atorvastatin 211 mg/dl* Simvastatin 219 mg/dl* Daily Dose 0% -10% -20% 38% 20 mg -30% -40% 46% -50% 51% 54% -60% 10 mg 28% 35% 41% 16% with 3 Titrations 13 % 40 mg 80 mg Adapted from Jones P et al. Am J Cardiol 1998;81:582-587. Dr.Sarma@works 246 Ezetimibe Efficacy (“10 + 10 = 80”) 0% Ezt + Ator 10+10 mg (n=65) Atorvastatin 10 mg (n=60) 20 mg (n=60) 40 mg (n=66) 80 mg (n=62) -10% -20% -30% –37% -40% -50% –42% –53% –45% –54% -60% P < 0.01 Dr.Sarma@works Ballantyne CM et al. Circulation 2003;107:2409-2415. 247 Post-CABG Study - Aggressive v/s Moderate Treatment 160 150 140 Moderate Tx (134-136)* 130 LDL-C 120 (mg/dL) 110 100 90 Aggressive Tx (93-96)* 80 0 6 12 24 36 48 Follow-up (mo) * Mean achieved. www.drsarma.in Post-CABG Trial Investigators. N Engl J Med. 1997;336:153-162. Non-pharmacological Approaches to TG Lowering 248 Lifestyle Modifications • Diet – Limit added sugar, carbohydrate (simple sugar) – TG > 500 mg/dL: limit fat intake – TG 150– 500 mg/dL: individualize therapy • Alcohol – TG >500 mg/dL: no alcohol – TG 200–499 mg/dL: limit alcohol • Maintain ideal body weight • Exercise • Smoking cessation www.drsarma.in Coughlan BJ et al. Postgraduate Med Online. 2000;108(7). Pejic RN, Lee DT. J Am Board Fam Med. 2006;19:310-316. New Treatments 1. Selective LDL Apopheresis 2. Apo A1 Milano – Recombinant HDL 3. The ECB-1 Receptor antagonist – Rimonabant, weight loss up to 25% – ↑ HDL-C and ↓ TG 4. The Dual α/γ PPAR activator – Muraglitazar – Glycaemic & dyslipidaemia control 5. CETP inhibitors – Torcetrapib ↑ HDL by 50 to 60% www.drsarma.in 249 250 The Three Canons DYSLIPIDEMIA ↑ LDL - STATIN www.drsarma.in 251 Summary of Drug choice Lipid abnormality type Choice of Drug ↑ LDL Statin ↑ TG Fibrate ↓ HDL Niacin ↑ LDL + ↑ TG Statin + Fibrate ↑ LDL + ↓ HDL Statin + Niacin ↑ TG + ↓ HDL Fibrate + Niacin ↑ LDL + ↑ TG + ↓ HDL Statin + Fibrate www.drsarma.in 252 Summary of Drug choice Lipid abnormality type Advised Rx. Remarks ↑ Homocysteine Folic acid B6 + B12 helps ↑ Small dense LDL Statin + Fibrate Aggressive Rx. ↑ Little ‘a’ or LP(a) Niacin ↑ Phenotype B Under research DM, Obesity ↓ ↓ in Phenotype A Under research Aerobic exercise www.drsarma.in Statin no effect 253 Some Brand Names Drug class Brand name Atorvastatin TG-TOR, Storvas, Avastin, Atcor Simvastatin Sim, Simvotin, Simcard, Simvas Atorvastatin + Ezetimibe TG tor Z, Storvas Z, Ezetimibe Ezedoc, Ezee, Ezet Fenofibrate Lipicard, Fibrate, Finolip, Stanlip Niacin Neasyn, Nialip, Nicocin www.drsarma.in 254 Take Home Messages www.drsarma.in Modifiable CHD – Risk Factors Non-Modifiable 6. Phenotype B 5. Personality 4. F. Hx CVD 3. Ethnicity 2. Gender 1. Age 255 6. Physical Inactive 5. Obesity, ↑ WC 4. Lipid Abnor 3. Smoking 2. Inc.BP 1. DM CHD RF Emerging 6.Homocysteines 5. ApoA1/ ApoB 4. hs- CRP 3. ↑SLDL 2. Lp(a) 1. ED www.drsarma.in 1. Grundy SM et al. Circulation 1999;100:1481–1492; 2. Haffner SM et al. N Engl J Med 1998;339:229–234 Sapta Padi – The Seven Steps 1. 2. 3. 4. 5. 6. 7. Screen, define and target high risk patients Modify life style factors – MNT, PA Explain and persuade to quit smoking, ↓ alcohol Aspirin >100 mg in all those with > 1 RF (??) Aggressive control of DM – HBA1c < 7 Attain goal B.P of 140/90 in all – DM 10 mm less ACEi and statin for all DM, Statin for ↑ LDL, Address HDL, Lp(a), TG, hs-CRP if abnormal www.drsarma.in 256 257 Forget not Stress • TLC is essential to keep ideal weight • Drugs are inevitable to control risk factors • Role of Stress and avoidance of it can’t be over emphasized • Yoga, relaxation, music, family outings, tourism, books, socialization are essential • Avoiding the Idiot box helps the mind & body www.drsarma.in 258 Shun Negative Behaviour • • • • • • • Worry, Fault finding Anger, Blaming others Lust and Greed Jealousy and Vengeance Anxiety and depression All ↑↑ hs-CRP, IL-6, Endothelial dysfunction These pave a perfect way for CAD to set in www.drsarma.in 259 Our each Cardio-metabolic patient For Ill at least one Pill Minimum medication needed # Pills Glimiperide 1 + Metformin 500 1 Pioglitazone 15 mg 1 Nitrate long acting 1 bid 2 Aspirin 150 + Clopidogrel 75 1 Statin + Ezetemibe 1 Fibrate or Niacin 1 Ramipril 5 + Hydrochlorthiazide 1 Carveidilol or Metoprolol b.i.d 2 Other supportive medication 2 Total (conservative) 12 www.drsarma.in Cost/day 4 2 6 3 9 6 7 8 5 50 260 At what cost one suffers !! 1. 2. 3. 4. 5. 6. 7. 8. 9. Rs 50 x 30 days = 1500 x 12 months = 18,000/yr Age 45 to 65 – 20 years x 18,000 = 3,60,000 Cost of CABG or PTCA + Stent = 2,00,000 What about the cost of his consultations, tests etc. What about his co-morbidities like OA, Cataract What about his inter current illnesses and admiss. What about treatment for CHF, RF, PVD, Laser No third party payer – has to spend by himself !! What is value of all this prolonged suffering ? ? www.drsarma.in 261 Hippocrates said …. Let your FOOD be your Medicine – Lest, Your Medicines will replace your Food !! www.drsarma.in 262 Where are we heading ? ? 20000 B.C. 2004 Paleolithic sup. age Neolithic age 19th century 21st century Technology has changedProcessed a lot in the way we live Hunting-gathering subsistence High level of physical activity But, we have not Thrifty genotype foods Animal fats and glucides ¯ Dietary fibre Sedentary altered our life life style Susceptibility genotype Journal of internal medicine 2003:254(2):114-25 www.drsarma.in 263 We have to pay the very heavy price !! What could be prevented, we treat or leave www.drsarma.in 264 Think for a moment …. • • • • • • • • • Should we not address this early from 20s or 30s ? Should we wait till we all suffer and succumb ? Is it not cost-effective and safe to take action now ? What for are we waiting? Whose permission is needed? Who will bell the cat to motivate for CAD prevention It will never be a priority for our rulers ! It is we – the answerable ones for all – should take steps Take a pledge now to screen all above 30 years Initiate them into preventive action – persuade – persist www.drsarma.in 265 www.drsarma.in 1 266 O ! God, I shall blame YOU ? Maruvanu Ahaarambunu I will not refrain from over eating Maruvanu Paaneeyambunu Neither will part with my drinking Maruvanu naa durgunamulu Nor, say good bye to my vices www.drsarma.in 267 O ! God, I shall blame YOU ? Maruvanu Ahaarambunu I will not refrain from over eating Maruvanu Paaneeyambunu Neither will part with my drinking Maruvanu naa durgunamulu Nor, say good bye to my vices Maracheda vyaayambunu I shall forget my physical exercise Maracheda sat karmabula I will not care for healthy life style Maracheda gurula boodhalu I shall forget what all is instructed www.drsarma.in 268 Dear GOD, let a miracle happen ! Please, save my Dad/Mom www.drsarma.in