Yoga may be considered as an integrated form of exercise in improved cardiovascular endurance, inflammatory expression, flexibility and quality of life of heart failure patients, some scientists postulated.
Heart failure is a medical condition characterized by insufficiently to maintain blood flow to meet the body's needs, inducing symptoms of shortness of breath, excessive tiredness, and leg swelling.....
Yoga, the ancient technique practice for harmonized external and internal body well beings, through breath control, meditation, bodily movement and gesture..... has been best known for people in Western world and some parts in Asia due to health benefits reported by various respectable institutes' research and supported by health advocates.
In a study of 130 heart failure patients recruited, 65 patients randomly selected to receive 12 week yoga therapy along with standard medical therapy (yoga group). Other patients (n=65) received only standard medical therapy (control group), researchers showed that
* Yoga group expressed a enormous improvement in decrease in heart rate, blood pressure and rate pressure product (RPP)in compared to control group
* All heart rate ratio and variability were improved in compared to control
Dr. Krishna BH, the lead author said, "Twelve-week yoga therapy significantly improved the parasympathetic activity and decreased the sympathetic activity in heart failure patients."
Truly, yoga mindfulness induced relaxation of central nervous system in inhibited production of stress hormone in facilitated production of inflammatory makers through interaction between immune cells-particularly macrophages and lymphocytes, one of number of markers involved in heart failure disease progression.
Also, yoga slow breathing and meditation induced relaxation the central nervous system in stimulated production of nitric oxide NO through expression of nitric oxide synthase (iNOS) in relaxed the vessel muscles and heart muscles in regulation dilation and reduced stress hormone in over production of prostaglandins E2 in activated muscle constriction, plus improving in heart rate, blood pressure and rate pressure product (RPP).
Furthermore, yoga selected postures was found not only to improve flexibility but also enhance the function lung in optimized oxygen demand of the heart through circulatory system controlled by homeostatic mechanisms without inducing work overload to the heart, thus increasing peak exercise capacity (peakVO2) in patients with heart failure.
These results suggested that yoga intervention exerted a significant effect in improved cardiovascular endurance in all aspects.
According to the study, in compared to control, researchers indicated that
* Yoga group displayed a significant and positive impact on peak exercise capacity (peakVO2) and quality-of-life (HRQOL)
*Yoga participants also showed an improvement of Weighted mean differences (WMD) (some of the studies make a greater contribution to the average than others and global HRQOL standardized mean differences).
In clarification of the efficacy in treatment for CHF, Dr. Gomes-Neto M, the lead author said,"Yoga enhances peak VO2 and HRQOL in patients with CHF and could be considered for inclusion in cardiac rehabilitation programs".
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Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
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Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.
(1) Effect of yoga therapy on heart rate, blood pressure and cardiac autonomic function in heart failure by Krishna BH1, Pal P2, G K P3, J B4, E J5, Y S6, M G S7, G S G8.(PubMed)
(2) Effects of Yoga in Patients with Chronic Heart Failure: A Meta-Analysis.[Article in English, Portuguese]by Gomes-Neto M1, Rodrigues-Jr ES1, Silva-Jr WM2, Carvalho VO2.(PubMed)
(3) Benefits of yoga for African American heart failure patients by Pullen PR1, Thompson WR, Benardot D, Brandon LJ, Mehta PK, Rifai L, Vadnais DS, Parrott JM, Khan BV.(PubMed)
(4) Role of Inflammation in Heart Failure by Shirazi LF1, Bissett J1, Romeo F1,2, Mehta JL3.(PubMed)