Wednesday, 6 August 2008

Creatine Supplementation Does Not Improve Exercise Outcomes In COPD Patients

�Creatine, a popular nutritional supplement notable for enhancing athletic performance and brawn strength, does not amend exercise outcomes in patients with chronic obstructive pulmonic disease (COPD), according to a new study. The randomized, placebo-controlled, double-blind study provided the most powerful evidence to date that the force of creatin (Cr) subjunction was negligible at c. H. Best among these patients.




"We have evidence to evoke Cr ingestion into muscles [in COPD patients] only are unable to excuse why an increase in muscle Cr did non enhance education," wrote the study's lead author, Sarah Deacon, M.D., specialist registrar at the Institute for Lung Health at Glenfield Hospital in Leicester, England.




The results were published in the first matter for August of the American Journal of Respiratory and Critical Care Medicine by the American Thoracic Society (ATS).




Cr subjoining has been shown to improve short-burst, high-intensity physical exertion function in athletes, as well as enhancing isometric muscle strength, lower body endurance and lean body mass in the aged. To determine whether Cr supplementation could similarly heighten the physical condition of COPD patients, Dr. Deacon and co-researchers recruited hundred patients with COPD to either encounter Cr or a placebo over the course of a seven week pneumonic rehabilitation curriculum.




Those wHO were randomized to the placebo mathematical group were give lactose supplements that appeared identical to the Cr-containing supplements. Following a five-day loading period (22g/d Cr or 24 g/d lactose) each subject followed criminal maintenance dosing of 3.76 or 4 g of Cr or lactose severally.




Of the original one C subjects, 80 successfully completed the work. In both control and Cr groups, there were statistically significant improvements in functional and muscular performance during the loading phase, but no differences were seen between the groups. The Cr group as well showed a greater, only non-significant portion of melioration in the incremental shuttle walking examine with loading and after pulmonary rehabilitation, but extra analysis still showed no overall essence between it and the placebo group.




"The to the highest degree likely explanation is that any benefits of creatin have been submerged by the big training effect of physical training alone," wrote Dr. Deacon.




This study, so, further validates that on that point is no substitute for the old fashioned hard go that is an essential element of pulmonary rehabilitation. "Those of us interested in pulmonic rehabilitation ar happy to see substantiation of the beneficial personal effects of physical exertion training�. This information indicates that creatine supplementation non be viewed as a good backup man for physical exertion training-good news for adepts of pulmonary rehabilitation," wrote Francoise Maltais, M.D., Didier Saey, Ph.D., and Richard Debigare, Ph.D., all of the Centre de Recherche de l'Hospital Laval Quebec in Canada.




"Without minimizing the importance of the quest to optimize the results of pulmonary rehabilitation, we had to revalue that only a modest portion of patients with COPD actually engage in pulmonary rehabilitation�.so improved [access] is important for PR to achieve its full potentiality from a public wellness perspective."




Dr. John Heffner, past president of the ATS, commented that "these and other studies are finally gaining recognition that pulmonary rehabilitation is an essential element of comprehensive care for patients with COPD. The weight of the evidence has succeeded in gaining Medicare payment for rehabilitation services, which has been one of our major hurdles to access."




This news brief is based on an article published in the American Thoracic Society's peer-reviewed journal, the American Journal of Respiratory and Critical Care Medicine.



About the American Thoracic Society




Founded in 1905, the American Thoracic Society is the world's leading medical association dedicated to forward-moving pulmonary, critical care and sleep medicine. The Society has more than 15,000 members who forbid and fight respiratory disease around the globe, through research, didactics, patient care and protagonism.



American Thoracic Society



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