Pulmonary Rehabilitation Varga János MD, PhD National Koranyi Institute for TB and Pulmonology, Budapest Department of Pulmonary Rehabilitation University of Szeged, 04/DEC/2014 Current COPD Therapy Glass is half empty The role of current pharmacotherapy: •Reduction in breathlessness •Improvement in exercise tolerance Courtesy of Casaburi R •Reduction in exacerbation •Improvement in quality of life Current COPD Therapy Glass is half empty Current pharmacotherapy: •No effect on progression •No effect on mortality Courtesy of Casaburi R What is the Next Step in the Treatment of COPD Therapy? • New bronchodilator therapy ? • New anti-inflammatory therapy ? • Reduction the number of exacerbations ? • Alveolar grow factor ? • Stem cells ? Courtesy of • Care ? Casaburi R Time to renew conception ? Troosters T et al. Am J Crit Care Med, 2005 Mortality (Survival rate%) Physical Activity in COPD Chance to Survive (COPD) 1.0 Garcia-Aymerich Thorax 2006 0.75 0.50 High Average Low Very low 0.25 0.0 0 5 10 15 Time (Years) Very low: Mainly sedentery, no physical activity in freetime Low: < 2 hours/week low intensity physical activity 20 Peripherial Muscle Dysfunction in COPD • • • • • • • • Low muscle mass Abnormality in capilarisation Low oxidative enzime activity Low ratio of type I muscle fibers Inflammation in muscles Corticosteroid myopathy Low level of anabolic hormones Abnormality in vasoregulation Lactate increment during exercise VO2 (L/min) Thorax, 2010 Maltais F, et al. Am J Respir Crit Care Med. 1996;153:288-293. Muscle atrophy and mitochondrial dysfunction during COPD exacerbation Cell Physiol Biochem 2010 COPD Patients are Inactive Physical inactivity in patients with COPD, controlled multicentric pilot study N=100 Troosters et al., Respir. Med., 2010 Physical inactivity in COPD Correlation between physical activity and lung function, muscle force and walking distance 1.0 EELV (l) Steps.day-1 ( n ) 12000 10000 8000 6000 0.5 0.0 4000 N=50 2000 FEV1 0 Ctrl I II III IV %pred TL,CO %pred R 0.28* -0.5 1 2 3 4 Daily activity (Quartile VMU) 0.38* QF Courtesy of Troosters T Troosters ERS 2007 Watz AJRCCM 2008 %pred 0.45* 6MWD %pred 0.76* Pitta AJRCCM 2005 Garcia-Rio AJRCCM 2009 Physical Inactivity in COPD The Effect of Metabolic Syndrome on Physical Activity No Metabol syndrome Physical activity level 1.9 Steps.day-1 ( n ) 12000 10000 8000 6000 4000 2000 Metabolic syndrome 1.7 1.5 1.3 1.1 0 Ctrl I II III IV CB I II III IV Severity Courtesy of Troosters T Troosters ERS 2007 Watz AJRCCM 2008 Physical inactivity enchances the chance of development of comorbidities Watz Chest 2009 Physical Inactivity in COPD Acute Exacerbation Low physical activity enchances the risk of new exacerbation. The importance of early pulmonary rehabilitation after exacerbation. Day 2 Day 7 Month 1 Pitta Chest 2006 Garcia-Aymerich Thorax 2003 Seymour JM Thorax 2010 Limiting Factors in Exercise Tolerance in COPD • • • • • Abnormal lung mechanics Respiratory muscle dysfunction Peripherial muscle dysfunction Limitation in gas exchange, oxygen delivery Cardiac dysfunction Flow Limitation Dynamic airway compression during exercise 1.6 1.4 F lo w (L /s ) 1.2 1.0 Vmax 0.8 0.6 0.4 R A R =0.34 VEE R A R =0.55 0.2 VEE 0.0 -0.2 0.0 0.2 0.4 0.6 V olum e (L) 0.0 0.2 0.4 0.6 0.8 1.0 FEV1:98%pred FEV1:29%pred Flow Limitation Dynamic airway compression during exercise 0.9 # # + + # # # Group D,WD EELV/TLC(%) 0.8 0.7 0.6 * * * * * * 0.5 0.4 0.3 7 $ @+ # $ @# $ @ Borg dyspnoe score 6 5 $ @ Group D Dynamic Airway Compression and Hyperinflation during Exercise * * 4 Varga J et al., ERS 2006 * 3 * 2 1 0 Group WD,H # # # rest unloaded stop-6 $ #@ $@ $ stop-4 stop-2 stop Controlled breathing techniques • Perth lip breathing (PLB) • Diaphragmatic breathing • Turn the trunc to 45 degrees Respiratory Endurance Training COPD (n=11) FEV1: 36±14 %pred 3x10 minutes respiratory endurance training MIP: 47±16 vs. 59±20 H2Ocm MEP:90±45 vs. 123±72 H2Ocm Limiting Factors in Exercise Tolerance in COPD • • • • • Abnormal lung mechanics Respiratory muscle dysfunction Peripherial muscle dysfunction Limitation in gas exchange, oxygen delivery Cardiac dysfunction Exercise training has favourable effect in COPD. High intensity continous training is more effective compared to low intensity training. •Casaburi R, Patessio A, Ioli F et al.: Reduction in exercise lactic acidosis and ventilation as a result of exercise training in patients with chronic obstructive lung disease. Am Rev Respir Dis 1991; 143:9-18. •Casaburi R, Porszasz J, Burns MR et al.: Physiologic benefits of exercise training in rehabilitation of patients with severe chronic obstructive pulmonary disease. Am J Respir Crit Care Med 1997;155(5):1541-51. The Effectivity of Training in COPD Casaburi, ARRD 1991 The Role of Peroxisome ProliferatorActivated Receptor-Gamma Coactivator 1α (PGC-1α) on Muscle Function Handschin C Nature 2008 Reduction of Exercise-induced Dynamic Hyperinflation with Exercise Training at Submaximal Intensity Porszasz J, Emtner M, Goto S, Somfay A, Whipp BJ and Casaburi R. Exercise Training Decreases Ventilatory Requirements and ExerciseInduced Hyperinflation at Submaximal Intensities in Patients with COPD. Chest 2005;128;2025-2034 The Role of Dynamic Hyperinflation on Hemodinamics in COPD Interval vs. High Intensity Continous Training Varga J et al. Resp. Med. 2007 Interval vs. High Intensity Continous Training Varga J et al. Resp. Med. 2007 The Effectivity of Training Programs-Interval Training Relationship „Power-duration” curve, ventilation, oxygen uptake Electrostimulation of muscles (NMES): Weak funtional condition „Nordic walking”: Maximal exercise capacity and physical activity Daily activity monitoring Limiting Factors in Exercise Tolerance in COPD • • • • Abnormal lung mechanics Respiratory muscle dysfunction Peripherial muscle dysfunction Limitation in gas exchange and oxygen delivery • Cardiac dysfunction Oxygen Favourable Effect during Exercise in Nonhypoxemic Patients with COPD Somfay A, Porszasz J, Lee SM and Casaburi R. Effect of Hyperoxia on Gas Exchange and Lactate Kinetics Following Exercise Onset in Nonhypoxemic COPD Patients. Chest 2002;121;393-400 Emtner M, Porszasz J, Burns M, Somfay A, Casaburi R. Benefits of supplemental oxygen in exercise training in nonhypoxemic chronic obstructive pulmonary disease patients. Am J Respir Crit Care Med 2003;168(9):1034-42. Exercise training with oxygen have superior effect in selected exercise physiologic parameters in respiratory failure in COPD. Physical activity in hypoxaemic COPD patients Cognitive function Hypoxia, hypercapnia, smoking, comorbidities (vascular disorders) had influence on cognitive function in COPD COPD itself Measurement of Feeding State: •Determination of body composition •Body weight •Calory intake •Gastrointestinal symptoms •Functional capacity •Physical examination Rehabilitation in Interstitial Lung Diseases, IPF: Similarity and Difference based on COPD Respir. Med. 2008 Age-dependent PAP change in Healthy Subjects <30 év 30-50 year >50 year <30 év 30-50 >50 year year Kovacs G et al. ERJ 2009; 34(4):88894. Pulmonary Arterial Pressure Increment during Exercise in COPD Terhelés indukálta pulmonális artériás nyomásemelkedés 100 * PAP (Hgmm) 80 # #;p<0,05 csoportok között * 60 40 20 0 Kontroll csoport Nyugalomban Csúcsteljesitménynél COPD Varga J et al. ERS 2009, P3259 Sleep Apnea Monitoring Saturation Heart rate AHI Complex rehabilitation, adequate staff Thank you for your attention!