BMP Reference Range 1. Sodium (Na) 135-145 mEq/L - hyponatremia vs. hypernatremia 2. Potassium (K) - 3.3-4.9 mEq/L - hyperkalemia vs. hypokalemia 3. Serum Creatinine (SCr) 0.6- 1.1 mEq/L - several limitations to interpret kidney function (see GFR) 4. Glomerular Filtration Rate (GFR) >60 mL/min –estimated calculation uses Scr + other variables 5. Chloride (Cl) 97-110 mEq/L 6. Carbon Dioxide (CO)22-30 mEq/L 7. Blood Urea Nitrogen (BUN) 8-25 mg/dL 8. Blood Glucose (BG) 65-109 mg/dL 9. Calcium (Ca) 8.6-10.3 mg/dL 10. *AST - ASpartate Transaminase (aka SGOT) 11 - 47 IU/L 11. *ALT - ALanine Transaminase (aka SGPT) 7 - 53 IU/L 12. Serum Creatinine (SCr) – reference range 0.6- 1.1 mEq/L may or may not be “normal” clinically 1. Value can be non-predictable, vary with patient factors (e.g., age, muscle mass, weight, race, gender) 2. Value in reference range may appear “normal”; with low Glomerular Filtration Rate (GFR) there if kidney dysfunction 13. Blood Urea Nitrogen (BUN) – high levels may indicate kidney and/or liver dysfunction 14. Glomerular Filtration Rate (GFR) – normal GFR ≥ 60mL/min (no kidney dysfunction) 15. Lab calculation to estimate patient’s renal function (mdrd.com algorithm) 16. Standardizes interpretation of kidney function without reliability solely on SCr 17. Creatinine Clearance (CrCl or CLCr) - Manual calculation (various formulas) to estimate kidney function – normal typically >90 mL/min 1. Recommended drug adjustment for renal impairment may include CrCl (some may include SCr and/or GFR instead) 2. Example formula to estimate kidney (renal) function: Cockcroft-Gault equation 18. Albumin-Creatinine Ratio (ACR) - normal ACR < 30 mg/g (NO proteinuria is normal; proteinuria suggests kidney dysfunction 1. Proteinuria recommended terminology – includes microalbuminuria + macroalbuminuria 19. Chronic Kidney Disease (CKD) - usually GFR < 60mL/min (with or without proteinuria) various stages BRADYCARDIA • Resting Heart Rate (HR) < 60 BPM [beats per minute] • Symptoms may include: Fatigue, Dizziness/Lightheadedness, Syncope TACHYCARDIA • Resting Heart Rate (HR) >100 BPM • Symptoms may include: Dizziness/Lightheadedness, rapid heartbeat or palpitations, chest pain (angina), shortness of breath (SOB) Clinical Manifestations of ASCVD Coronary Artery Disease (CAD) AKA Ischemic Heart Disease (IHD) AKA called Coronary Heart Disease (CHD) Chronic Stable Angina Myocardial Infarction (MI) Acute Coronary Syndrome (ACS) / unstable angina Surgical revascularization of Coronary Artery - e.g., Coronary Artery Bypass Graft (CABG) – “bypass surgery” - e.g., Percutaneous Coronary Intervention (PCI) - coronary stent “angioplasty” Non-Coronary Vessel Disease Ischemic stroke - “Cerebrovascular Accident” (CVA) Transient Ischemic Attack (TIA) – “mini–stroke” Renal artery stenosis Mesenteric artery disease -” bowel infarction” Abdominal Aortic Aneurysm (AAA) - “triple A” Peripheral Vascular Disease (PVD) - e.g., Peripheral Artery Disease (PAD) “intermittent claudication” Surgical revascularization of non-coronary artery (E.g., AAA repair) Identification Primary Prevention Secondary Prevention No Clinical manifestations of ASCVD exist Clinical manifestation(s) of ASCVD exist Clinical Goals Prevent ASCVD diagnosis & related morbidity/mortality Prevent ASCVD progression & related morbidity/mortality Therapeutic Targets Interventions to reduce ASCVD risk Interventions to reduce ASCVD risk Risk Estimation -10yr risk score -30 yr risk score -Risk enhancing factors -Coronary calcium score Can be estimated Pooled Cohort Equation* estimates risk to guide decisions on preventative interventions Already known (high risk) INVALID to use Pooled Cohort Equation Decisions on interventions are clear Primary prevention: Assess traditional CV risk factors 20-39 YO: Assess Q4-6 years 40-75 YO: Assess “routinely” Estimate 10-year ASCVD risk score routinely between 40-75 YO If 10yr ASCVD risk 5% to 19.9% Consider Risk Enhancing Factors (REF) May consider Coronary Artery Calcium (CAC) score if risk-based decisions remain uncertain after discussing above factors May consider 30-yr ASCVD risk score if 40-59 YO & 10-yr risk < 7.5% Recommend risk modification with lifestyle + drug therapy if indicated Secondary prevention: Routinely assess traditional CV risk factors Recommend aggressive risk modification with lifestyle + drug therapy Invalid to use any ASCVD risk score, REF, or CAC Traditional CV risk factors: 1. Age ≥55 YO for males / ≥ 65 YO for females 2. *Hypercholesterolemia (Dyslipidemia) 3. *Hypertension (HTN) - High Blood Pressure (BP) 4. *Diabetes mellitus (DM) - Type 1 or Type 2 5. Current cigarette (tobacco) use (only count if any in last 30 days) 6. *Obesity 7. *Physical Inactivity Pooled cohorts equation: Validated in primary prevention ONLY Validated in select age groups 10-year risk estimate valid for ages 40-79YO (guideline: to 75 YO) 30-year risk estimate valid for ages 40-59 YO Validated in Non-Hispanic White & African-American May underestimate ASCVD risk in patients from: South Asia (e.g., India, Pakistan); American Indian; Puerto Rico May overestimate ASCVD risk in patients from: East Asia (China; Japan); Mexico Inaccuracies (e.g., socioeconomic or preventative care levels) 10 yr ASCVD risk “Short-Term” <5% - Low 5% to 7.4% - Borderline 7.5% to 19.9% - Intermediate ≥20% - High 30 yr (lifetime) ASCVD risk “Long-Term ” Compares risk with vs. without optimal risk factor management – e.g., 35% vs. 50% 8 Risk Enhancing Factors (REF) for Primary Prevention of ASCVD Family history of premature ASCVD 1st degree relative (parent, child, sibling) had early age ASCVD (male <55YO or female <65 YO) High-risk race/ethnicity/ancestry • South Asian, American Indian, Puerto Rican High LDL-Cholesterol (primary) • 160–189 mg/dL Elevated biomarker levels (these may ↑ ASCVD risk; cannot precisely assess impact) • • • • • Elevated TG - persistently ≥175 mg/dL Elevated CRP (FYI: risk ≥2.0 mg/L) – C reactive protein Elevated Lp(a) (FYI: risk ≥50 mg/dL) – Lipoprotein(a) Elevated ApoB (FYI: risk ≥130 mg/dL) – Apoprotein-B Low ABI ratio (FYI: <0.9 indicates PAD risk) - Ankle brachial index (ankle vs. upper arm blood pressure) Metabolic syndrome • FYI: at least 3 of 5 criteria: low HDL cholesterol; Elevated waist circumference; high triglycerides; high Blood Pressure; High blood glucose Chronic Kidney Disease (CKD) (DO NOT count if dialysis or kidney transplant) Chronic inflammatory conditions • • • • Psoriasis Rheumatoid Arthritis Lupus HIV/AIDS Premature menopause or pregnancyassociated conditions • • Menopause under age 40 Pre-eclampsia during pregnancy HTN dx: If not hypertensive: monitor BP annually Initial diagnosis of HTN: Based on average of ≥2 careful readings of high SBP and/or high DBP from ≥2 clinical setting encounters HTN control is regularly assessed Based on average of careful, accurate readings Medical office/clinical setting – repeat if high Home/non-clinical setting – if needed/available Controlling BP to target does not remove HTN dx Evaluating BP Trends No hypertension Non-clinical / Home/ Ambulatory Monitor Setting No hypertension Hypertension Hypertension No hypertension Hypertension Hypertension No hypertension Medical Office/Clinical Setting Normotensive Hypertension (Sustained) Masked hypertension White Coat hypertension Primary causes (Primary, essential or benign HTN) Most common >90% of cases Risk factors may exist, such as: o older age (especially for isolated Systolic HTN) o overweight or obese o genetic pre-disposition o race (e.g., higher rates in Black vs White or Hispanic population) Secondary causes Less common < 10% of cases Due to drug or disease May cause abrupt, symptomatic, severe HTN May complicate primary HTN Drug Induced HTN: Alcohol abuse Amphetamines – e.g., methylphenidate, methamphetamine Anabolic steroids (androgens) – e.g., testosterone Antidepressants – e.g., venlafaxine; desvenlafaxine; bupropion Atypical antipsychotics – e.g., clozapine; olanzapine Cocaine Dietary supplements – e.g., St John’s Wort; Bitter Orange; Guarana; Kava Erythropoeitin (and related agents) Immunosuppressants – e.g., tacrolimus, cyclosporine NSAIDs - e.g., ibuprofen; naproxen; high-dose aspirin (not low dose 81mg) Oral contraceptives Oral decongestants - e.g phenylephrine; pseudoephedrine Systemic glucocorticoids (steroids) - e.g., prednisone Tyramine-containing foods when on MOAI therapy (wine, aged cheese, etc) Abruptly stopping *chronic beta-blocker (including alpha/beta) Abruptly stopping *chronic central acting alpha-agonist Abruptly stopping *chronic opioid – e.g., morphine, oxycodone Abruptly stopping *chronic benzodiazepine – e.g., alprazolam, diazepam HTN Treatment Approach BP CV Risk NOT HIGH Recommend nonpharmacological therapy Reassess in in 3-6 months HIGH • Existing CVD • High CV risk nonpharmacological therapy + antihypertensive therapy Reassess in 1 month, repeat until BP at goal then follow-up in 3-6 mo. Elevated or Stage 1 HTN Stage 1 HTN SBP ≥130-139 mm Hg +/- DBP ≥80-89 mm Hg Stage 2 HTN SBP ≥140 mm Hg +/-DBP ≥90 mm Hg ANY ANY HTN Crisis SBP ≥180 or DBP ≥110 mm Hg nonpharmacological therapy + antihypertensive therapy Prompt treatment, monitoring, primary care referral if not currently managed Reassess in 1 month, repeat until BP at goal then follow-up in 3-6 mo. prompt evaluation + antihypertensive drug therapy HTN EMERGENCY: evolving TOD, hospital/ICU care, manage over hours HTN URGENCY: no evolving TOD, outpatient care, manage over days Nonpharm: Lifestyle Modification Physical activity Healthy diet Approach (prevent or treat high BP) Aerobic exercise; isometric/dynamic resistance Follow *DASH diet pattern ● 90–150 min/wk ● 65%–75% heart rate Rich in fruits, vegetables, whole grains, low-fat dairy; low saturated & total fat (DASH - Dietary Approaches to Stop Hypertension ) Weight loss Assess Best goal is ideal body weight; aim Weight/body fat for at least 1kg reduction if overweight (~1 mm Hg ↓ for every 1-kg weight ↓) Sodium intake Lower Optimal <1500 mg daily; *aim for at dietary sodium least 1000 mg per day reduction Potassium Adequate Aim for 3500–5000 mg per day, intake dietary potassium prefer diet rich in potassium (unless contraindicated – e.g., CKD or drugs that reduce K+ excretion) Moderate Limit alcohol Men ≤2 ; Women ≤1 “standard” alcohol intake consumption drinks daily standard: 5oz, 12oz beer, 1.5oz spirits Adult Existing Clinical CVD At High CVD risk* NOT at high CVD risk* Approx. Impact on SBP* Hypertension Normo-tension -5/8 mm Hg -2/4 mm Hg -11 mm Hg -3 mm Hg -5 mm Hg -2/3 mm Hg -5/6 mm Hg (with aim*) -4/5 mm Hg -2/3 mm Hg (with aim*) -2 mm Hg -4 mm Hg -3 mm Hg Patient History • ASCVD – e.g., MI; Ischemic CVA or TIA, CABG or PCI surgery for IHD • NON-ASCVD– e.g., Heart failure, AFib • 10-year ASCVD risk score ≥10% • Diabetes Mellitus (DM) • Chronic Kidney Disease (CKD) • 10-year ASCVD risk score < 10% • No existing clinical CVD • No DM • No CKD Target BP & Threshold for adding drug Target BP (mmHg) Threshold BP (mmHg)* < 130 <80 ≥ 130 ≥ 80 < 130 <80 May be reasonable ≥ 140 ≥ 90 COR LOE I C-LD IIa C-EO I C-EO Risk level - Existing clinical CVD - High risk for clinical CVD if 65 YO+ non-institutionalized, ambulatory, communityliving adult use SBP only (not DBP) for Target & Threshold No additional markers of increased CVD risk -No existing clinical CVD -Not high risk for clinical CVD Recommendations for Initial Drug Therapy Most adults with hypertension, especially black adults, will require ≥2 HTN drugs to achieve BP <130 / <80 mmHg Stage 1 HTN and BP goal <130/80 mm Hg: Initiate one(1) first-line antihypertensive using dosage titration + sequential addition to achieve BP target. * Stage2 HTN with BP > 20/10mmHg above goal: Initiate two (2) first-line antihypertensives of different classes either as separate agents or fixed-dose combination HTN Treatment: Compelling Indications overrides other first-line drug choice recommendations Stable angina MI or ACS HF For symptom control: 1st line BB 2nd line CCB (DHP w/BB) For CV benefit: ACEI or ARB after sx control ACEI or ARB + BB + ALDO ANTAG in eligible patients per GDMT ACEI or ARB + BB + ALDO ANTAG in eligible patients per GDMT CKD ACEI or ARB DM with proteinuria Ischemic CVA/ TIA ACEI or ARB ACEI or ARB or THZ or THZ + ACEI HTN Treatment: Special Populations Black +/- DM o Typically require ≥2 drugs to achieve BP goal (no HF or CKD) o Initial regimen should include THZ or CCB o If planning or pregnant, transition to preferred agent(s) labetalol, Pregnancy methyldopa, nifedipine XL o AVOID ACEI, ARB, or DRI (teratogen) o Clinical judgment re: comorbidities; life expectancy; patient preference; age-related benefit vs. risks o Examples include differences in: • drug clearance (↓ with renal/hepatic impairment) • volume of distribution (body fat: skeletal muscle) ≥ 65 YO • drug-drug interaction potential (polypharmacy) • side effect risks (e.g., falls; Beer’s Criteria drugs) • impact w/ ↓ weight or dietary sodium (great SBP ↓) • CV mortality w/ aggressive DBP↓ (↑ mortality risk) • Inclusion of very old (≥ 80YO) in clinical trials (limited) LOOP: Generally less effective than THZ for BP lowering unless fluid retention/volume overload is involved o Reserve use for managing HTN in the setting of edema due to: Heart Failure Chronic Kidney Disease (CrCl < 30mL/min) some specialists will use safe/effective THZ therapy at CrCl <30 mL/min for select patients though this offers less diuresis for edema may be preferred if CKD and resistant hypertension o - First line due to outcome data o - Synergistic effects on BP ↓with other first line agents BP lowering effects of ACEI, ARB, or DRI significantly increased with addition of CCB or THZ BB: Without compelling indication, monotherapy offers inferior protection from stroke relative to 1st line agents Alpha-1 blockers - Last line; AVOID monotherapy for HTN due to inferior outcomes Central alpha-2 antag: • Clonidine - role in HTN urgency or add-on alternative agent for Resistant HTN • Methyldopa – a drug of choice for HTN in pregnancy (safety) Resistant HTN: Thiazide Diuretics: • Chlorthalidone –QAM dosing • Indapamide –QAM dosing • Hydrochlorothiazide (HCTZ) 12.5mg or 25mg PO daily in the morning (AM) INITIATE low dose in higher risk persons e.g., Age 65 years; on concurrent ACE or ARB or DRI E.g., start 12.5mg po daily & titrate to max 25mg daily to lower risk of adverse effects HCTZ dose 50 to 100mg per day NOT recommended for HTN due to adverse effects Available in various combination products • Chlorthalidone most common in clinical trials, HCTZ most common in practice • Caution with CrCl<30 mL/min Controversial: some specialists may consider continuing therapy on case-by-case basis if safe/effective, monitoring electrolytes & GFR (CrCL) Loop diuretics: • Furosemide (Lasix) – 20-80mg/day PO divided BID – i.e., not dosed once daily for HTN • Torsemide (Demadex) – once daily dosing Potassium sparing diuretics w/o MRA: • Amiloride – LOW DOSE IF CRCL < 50mL/min • Triamterene – AVOID IF CRCL < 50mL/min ** avoid HCTZ ≥ 50mg/day to limit metabolic side effects • Dyazide or Maxzide-25 o HCTZ 25mg + triamterene 37.5mg combination tablet or capsule SIG: 1 pill PO DAILY in AM • Maxzide o HCTZ 50mg + triameterene 75mg combination tablet **SIG: ½ tablet PO DAILY in AM Aldosterone antag (potassium sparing diuretics with MRA: • Spironolactone (ALDACTONE) – HTN DOSING: 25mg PO ONCE DAILY initially, may ↑ to 50mg PO daily • May titrate up to 100mg PO daily max for HTN, as tolerated • Reduce dose if CrCl 31-50 mL/min – CONTRAINDICATED if CrCl 30 mL/min or less – Higher Gynecomastia risk vs. eplerenone • Eplerenone (INSPRA) – BID dosing frequency when used for HTN – – – Higher cost vs. spironolactone Higher hyperkalemia risk vs. spironolactone CONTRAINDICATIONS (FDA) * for hypertension • K > 5.5 MEq/L • SCr >2.0 mg/dL in males, >1.8 mg/dL in females • CrCL <50 mL/min • Type 2 diabetes with microalbuminuria (proteinuria) • Concomitant potassium supplements or potassium-sparing diuretics Diuretic ADEs: • Urination – ↑ Volume/frequency (esp. initially) – Less pronounced with chronic use (except for LOOP) – Dose in AM (+ late afternoon if BID) • Dehydration/hypovolemia • Orthostasis/dizziness • Sulfonamide allergy cross-sensitivity possible with THZ or LOOPS • Photosensitivity • Erectile dysfunction • Rare Nephrotoxicity (monitor SCr/GFR) • Hyponatremia • Hypokalemia (LOOP >> THZ risk) • Hyperkalemia (ALDO ANT or K+ spar.) • Hypomagnesemia (LOOP) • Hypercalcemia (THZ) • Hypocalcemia (LOOP) • Hyperuricemia (Gout) – higher risk with THZ > LOOP • Hyperglycemia (DM) - clinically significant with high dose THZ or LOOP • Hyperlipidemia - clinically significant with high dose THZ or LOOP Diuretic warnings: • *Dehydration (hypovolemia) o increased risk with higher doses o use lower initial dose • *Hypotension o increased risk when added to existing HTN therapy especially ACEI, ARB, DRI o use lower initial dose • *Preexisting electrolyte imbalance o increased risk with K+ sparing diuretic or ALDO ANTAG + ACEI, ARB, or DRI • *CKD - generally AVOID at cutpoints (CrCL) – see slides • Anuria (Absolute Contraindication) • Severe hepatic disease • Women of child-bearing age or lactation (benefit vs risk differs by agent) Diuretic interactions: • Use with other agents that cause hyperkalemia (AVOID or caution/monitor) o ACEI; ARB; DRI; K+ sparing diuretic, ALDO ANT, KCL supplement Increased hyperkalemia risk with concomitant use • Digoxin (LOOP >> THZ interaction) o K+ wasting ↑ digoxin toxicity RISK and related cardiac arrhythmias • Lithium (risk with THZ or LOOP – AVOID if possible) o Reduced Lithium clearance –and related lithium toxicity • Cholestyramine (for cholesterol lowering) o 85% reduction of HCTZ absorption (cannot avoid w/ separated doses) • Eplerenone o 3A4 metabolism inhibitors may significantly increase exposure o E.g., grapefruit or its juice (1 cup) 25% increase in eplerenone exposure ACEi, ARB, DRI: o Avoid concurrent use of ACEI, ARB, DRI o Combination offers no additional CV benefit, more adverse risk o NOTE: when ACEI or ARB are indicated, select either one o Recommend lower initial dose if high risk for adverse effects o Older persons o On diuretic therapy o Black patients may require titration to higher doses to control BP o May need to use with THZ or CCB to optimize BP lowering o NOTE: this does not limit use of drug class when indicated or compelling ACE dosing: • Lisinopril (Zestril, Prinivil) 10 - 40mg PO once daily • Lisinopril + HCTZ (Prinzide, Zestoretic) 10/12.5mg, 20/12.5mg, 20/25mg PO once daily • Enalapril (Vasotec) 5 - 40mg/day PO daily (divided QD or BID) • Fosinopril (Monopril) 10 - 40mg QDay • Ramipril (Altace) 2.5 -10mg/day given PO Qday (may divide BID for other uses) • benazapril (Lotensin) • benazapril + amlodipine (Lotrel) • captopril • quinapril (Accupril) • quinapril+ HCTZ (Accuretic) ARB dosing: • Losartan (Cozaar) 25, 50 or 100mg/day PO once daily (may divide into BID) • Irbesartan (Avapro) 75, 150, or 300mg PO once daily • Valsartan (Diovan) 80, 160, or 320mg PO once daily • losartan/HCTZ (Hyzaar) • irbesartan/HCTZ (Avalide) • valsartan/HCTZ (Diovan HCT) EXCEPTION: Initiate lowest strength in patients with risk for depletion of intravascular volume (e.g., concurrent diuretic therapy) or hepatic impairment Do not initiate maximum strength dose; may titrate to maximum strength dose as tolerated, as needed Generally expect little gain in BP reduction with doubling of dose - “Flat dose-response” DRI: Aliskiren - Tekturna® (do not need to know dosing) Little gain in BP reduction with doubling of dose - “Flat dose-response” Generally well tolerated - Most common side effect: diarrhea (2.3%) See ACE/ARB/DRI slides for class side effects/warnings AVOID use with ACEI or ARB ACE/ARB/DRI ADEs: COMMON • ACEI only - Dry non-productive COUGH (no phlegm, not wet) o Up to 20% incidence (class effect) – no cough with ARB or DRI (not clinically significant) o Resolves upon d/c; not contraindicated with asthma (monitor for cough) • Hyperkalemia (↑ risk with CKD; KCL, K+sparing diuretic or ALDO ANTAG) • Dizziness /Hypotension o Higher risk if sodium or volume depleted (hypovolemic) or elderly o Use very low dose initially, especially if high risk • Slightly higher SCr less than ~ 30% reduction from baseline o Indicates predictable, stable hemodynamic auto-regulation due to drug action o Continue drug; accept slightly higher Scr as new baseline, continue to monitor RARE • Acute Kidney Injury (AKI) – major ↑ SCr > 30% from baseline o Indicates ACUTE KIDNEY INJURY; must discontinue therapy if occurs • Hepatoxicity • Neutropenia • Angioedema- RARE but serious hypersensitivity reaction o ACUTE swelling of subcutaneous/submucosal tissues including face, extremities, lips, tongue, glottis, and/or larynx that may occur at any time during treatment o Higher incidence in black patients, genetic predisposition; reported with ACEI > ARB >DRI If reaction to any ACEI – avoid that class; same for ARB If ACEI angioedema, may try ARB ≥6 weeks after stop ACEI (benefit vs. risk; monitor) ACEI/ARB/DRI - Warnings: CI: • Known hypersensitivity o E.g., life-threatening angioedema to any ACEI - AVOID rechallenge o Cross-hypersensitivity risk may occur with ACEI, ARB, DRI classes • Pregnancy– due to major risk of teratogenicity use requires adequate contraception if childbearing age • Severe renal artery stenosis (bilateral or in solitary kidney) • Avoid dual RAAS agents o No ACEI + ARB o No ACEI +DRI o No ARB + DRI Precautions: • Volume depletion/Dehydration • Correct imbalances before initiating o Postural hypotension • Start low dose if older, CKD, heart failure o Pre-existing HYPERKALEMIA o Women of child-bearing age o Conditions that ↑ risk for AKI** Renal artery stenosis in 1 (of 2) kidneys Existing CKD Systolic heart failure Elderly Volume depletion (e.g., diarrhea/ vomiting) Concurrent drug that may be nephrotoxic CCB: • DHP CCB o Amlodipine Norvasc 2.5 or 5mg po daily; up to 10mg PO Daily (max) o Nifedipine extended-release Procardia XL, Adalat CC, Nifedical XL 30 po daily initial; up to 60mg daily; max 90 mg PO Qdaily AVOID short-acting nifedipine (10mg po TID) o Module drug list: Amlodipine (DHP – CCB) +benazepril (ACEI)- Lotrel • NON-DHP CCB o Diltiazem long acting formulations 120 (180mg) 240mg 360mg 480mg PO Qdaily Cardizem CD/Tiazac/Cartia XT Cardizem LA Cardizem SR (dosed BID) o Verapamil long acting formulations 180mg 240mg 360mg 480mg PO Qdaily Calan SR, Isoptin SR; Verelan -Sustained release Covera HS - Controlled release Verelan PM- Chronotherapeutic systemo Prefer once daily long-acting formulation over immediate release [BID - TID dosing Some extended-release products costl CCB ADEs: DHP CCB • PERIPHERAL EDEMA – Common, dose related – Eg. 3% vs. 11% incidence with amlodipine 5mg vs. 10mg – NOT responsive to diuresis • HEADACHE – Dizziness/orthostasis – Flushing – GI – Nausea, Gastroesophageal reflux – Gingival hyperplasia NON-DHP CCB • BRADYCARDIA • Cardiac conduction abnormalities – E.g., Atrial-Ventricular (AV) block • Heart failure – negative “inotropic” effects • Constipation (most risk with verapamil) • GI – Nausea, Gastroesophageal reflux • Rare flushing, peripheral edema CCB warnings: • Hepatic/Kidney dysfunction o Amlodipine – hepatic clearance o Diltiazem – renal clearance o Verapamil, Nifedipine– renal & hepatic clearance • GI obstruction – for extended-release products • Drug interactions: • Verapamil, diltiazem, nifedipine are o SUBSTRATEs for P450 3A4 Grapefruit juice –may ↑ CCB levels o INHIBITORS of P450 3A4 CCB may increase ERYTHROMYCIN levels significantly– AVOID CCB may increase DIGOXIN levels up to 50% - major caution/monitor SIMVASTATIN - not to exceed 20mg/day with concurrent amlodipine SIMVASTATIN - not to exceed 10mg/day with concurrent nonDHP DHP • AVOID short-acting nifedipine • may precipitate angina, MI, CVA (worse outcomes) • NOTE: nifedipine XL ok • AVOID in pregnancy/lactation • NOTE: nifedipine XL ok • Heart failure • AVOID nifedipine XL • NOTE: amlodipine ok • Migraine Non-DHP • AVOID if cardiac conduction abnormality (e.g., AV block) • AVOID concurrent BB due to risk of bradycardia, AV block • AVOID in Heart failure BB: Cardioselective (Beta-1 selective) atenolol (Tenormin) Typical initial dosing: 25- 50mg po daily Typical dose range: 50-100mg po daily metoprolol (2 salt forms below) 25- 50mg per day (total) initially 50-200mg per day dose range for HTN metoprolol tartrate po BID – Lopressor Alpha/Beta (non-selective) labetolol (Trandate) 100mg BID increase every 2-3 day minimum HTN dose range 200-400mg BID carvedilol (Coreg) immediate release tablets 3.125 or 6.25mg BID initially, titrated to MAX 25mg BID carvedilol phosphate (Coreg CR) extended release tablets - 20mg once daily MAX 80mg Qday. Generally double dose q1-2 week $$$ vs. Immediate Release $ BB ADE:metoprolol succinate po daily -Toprol XL • Bradycardia Non-cardioselective (B1/B2; non-selective) • Exercise Intolerance nadolol (Corgard) • Dizziness/Orthostatic hypotension propranolol (Inderal; Inderal LA)alpha/beta blocker o Most significant with • Bronchospasm o Non-selective or Alpha/beta agents have higher risk than B1-selective agent • • • • • o B1-selectivity (Cardioselectivity) carry dose-dependent risk (lower risk at lower doses) Risk vs. benefit with preexisting lung disease such as asthma or COPD Diarrhea o Especially alpha/beta blocker Dyslipidemia o Most impact with Non-selective o Less impact with B1-selective blocker o No impact with Alpha/beta blocker Fatigue o Especially Alpha/beta blocker o Especially lipophilic propranolol Weight Gain Erectile Dysfunction BB Diabetes ADEs: 1. Hyperglycemia: dose-related; ↑ risk with non-selective BB • May impact existing diabetes or pre-diabetes glucose control • Lowers insulin secretion; glycogenolysis (release glucose) 2. Hypoglycemia: dose-related; ↑ risk with non-selective BB • May mask warning signs in persons at risk (e.g., on insulin) • Block sympathetic response (e.g., no tachycardia, no trembling) • Only symptom may be sweating (parasympathetic) • May prolong recovery from hypoglycemic episode • Typically takes 15 minutes with 15g glucose • May use BB for compelling indication or add-on HTN therapy in DM • E.g., low dose, beta-1selective agent • The key is benefit vs. risk; if used, patient education & monitoring BB warnings: • AVOID ABRUPT WITHDRAWAL MUST taper over 7-14 days if chronic use (at least 2 weeks of therapy) Risk of rebound HTN risk & risk of CAD exacerbation without taper Pre-existing lung disease • Orthostatic Hypotension – esp. Alpha/Beta-blockers (vasodilatory effects) • Bradycardia / cardiac conduction abnormality (AV BLOCK) - avoid with nonDHP CCB • Heart failure – some BB may cause or worsen condition; avoid if decompensated Does NOT include agents with compelling use in systolic heart failure • Uncontrolled DM – avoid use of high dose, non-selective BB • CKD – AVOID, CAUTION or dose adjust w/ renally metabolized – e.g., atenolol, nadolol • Hepatic disease – AVOID hepatically metabolized - e.g., propranolol, metoprolol, carvedilol • Drug interaction potential CYP450 3A4 , 2D6 substrates- e.g., metoprolol, carvedilol Alpha -1 blockers: prazosin (Minipress), doxazosin (Cardura), terazosin (Hytrin) • Severe Orthostasis o MAJOR risk of syncope and falls o Take dose laying down at bedtime especially 1st dose or dose increase • Systemic edema o Sodium/water retention (non-pitting) o Dose-related, may occur at low dose • Systolic heart failure - cause/exacerbate • Reflex tachycardia - palpitations • CNS o headache, vivid dreams o Nasal congestion o Erectile Dysfunction o Priapism • WARNINGS o Beer’s list of Potentially Inappropriate drugs for older adults o AVOID in heart failure o Performing “hazardous tasks” o Intraoperative “floppy iris syndrome” o Moderate drug interaction potential Central alpha -2 agonists • Methyldopa • Clonidine • CATAPRES BID tablets • CATAPRES TTS patch weekly • Guanfacine (immediate release) Central alpha- agonist ADEs: Bradycardia – may cause AV block Orthostasis Systemic edema Sodium/water retention (non-pitting) higher incidence with METHYLDOPA vs. CLONIDINE/GUANFACINE Anti-cholinergic: dry mouth, constipation, urinary retention, blurry vision Systolic heart failure – cause/exacerbate Acute withdrawal (requires taper to avoid) agitation, tremor, very high BP (rebound) CNS depression: sedation Headache Erectile dysfunction Rash (patch) Methyldopa ONLY: rare lupus, hemolytic anemia, hepatic dysfunction Central alpha 2- agonist warnings: BRADYCARDIA: avoid use ELDERLY: Potentially inappropriate HEART FAILURE: avoid AVOID abrupt withdrawal CKD: Dose adjustment CONCURRENT BB: taper off BB therapy before clonidine taper to avoid HTN rebound Methyldopa: HEPATIC: Generally avoid in liver disease Check LFT baseline, periodically Transient increase in AST or ALT ok if < 3 x ULN. Taper off therapy ASAP if AST or ALT rises ≥ 3 x ULN DVD – Hydralazine (QID to BID titration) o COMMON: nausea, vomiting, diarrhea, anorexia o RARE: hepatotoxicity; drug-induced lupus; drug fever, leukopenia Minoxidil (1 x daily dosing) o BLACK BOX WARNING: limit use to RESISTANT HTN unresponsive to maximum therapeutic doses of diuretic and 2 other HTN agents o More side effects than hydralazine: e.g., reversible hirsutism; EKG changes; pericardial effusion; skin reaction; hypernatremia DVD ADE: • Sodium/water retention – hypernatremia, edema, heart failure – More likely with MINOXIDIL vs. hydralazine – Use concomitant diuretic therapy • Initiate LOOP diuretic with minoxidil • Initiate THZ diuretic with hydralazine • Reflex tachycardia – palpitations, angina, tachyarrhythmia – More likely with HYDRALAZINE vs. minoxidil – Use concomitant BB (or NON-DHP CBB) • Hypotension/Dizziness • Headache • CNS depression – e.g., sedation DVD avoid: • Heart failure • Recent MI or in persons with angina • CNS depression (and avoid alcohol) • Cerebrovascular Disease (CVA, TIA) • Pregnancy or lactation