Mehdi Ahmadian1, Valiollah Dabidi Roshan2, Elaheh Aslani3, Stephen R Stannard4. 1. Department of Physical Education and Sport Sciences, Aliabad Katoul Branch, Islamic Azad University, Aliabad Katoul, Iran. 2. Department of Sport Physiology, College of Physical Education and Sport Sciences, University of Mazandaran (UMZ), Babolsar, Iran. 3. Department of Sport Physiology, College of Humanities, Sari Branch, Islamic Azad University, Sari, Iran. 4. School of Sport and Exercise, Massey University, Palmerston North, New Zealand.
Abstract
BACKGROUND: The purpose of this study was to examine the anti-atherogenic and anti-inflammatory effect of supplemental taurine prior to and following incremental exercise in patients with heart failure (HF). METHODS:Patients with HF and left ventricle ejection fraction less than 50%, and placed in functional class II or III according to the New York Heart Association classification, were randomly assigned to two groups: (1) taurine supplementation; or (2) placebo. The taurine group received oral taurine (500 mg) 3 times a day for 2 weeks, and performed exercise before and after the supplementation period. The placebo group followed the same protocol, but with a starch supplement (500 mg) rather than taurine. The incremental multilevel treadmill test was done using a modified Bruce protocol. RESULTS: Our results indicate that inflammatory indices [C-reactive protein (CRP), platelets] decreased in the taurine group in pre-exercise, post-supplementation and post-exercise, post-supplementation as compared with pre-exercise, pre-supplementation ( p < 0.05) whereas these indices increased in pre-exercise, post-supplementation and post-exercise, post-supplementation as compared with pre-exercise, pre-supplementation in the placebo group ( p < 0.05). Our results also show that atherogenic indices [Castelli's Risk Index-I (CRI-I), Castelli's Risk Index-II (CRI-II) and Atherogenic Coefficient (AC)] decreased in the taurine group in pre-exercise, post-supplementation and post-exercise, post-supplementation as compared with pre-exercise, pre-supplementation ( p < 0.05). No such changes were noted in the placebo group ( p > 0.05). CONCLUSIONS: our results suggest that 2 weeks of oral taurine supplementation increases the taurine levels and has anti-atherogenic and anti-inflammatory effects prior to and following incremental exercise in HF patients.
RCT Entities:
BACKGROUND: The purpose of this study was to examine the anti-atherogenic and anti-inflammatory effect of supplemental taurine prior to and following incremental exercise in patients with heart failure (HF). METHODS:Patients with HF and left ventricle ejection fraction less than 50%, and placed in functional class II or III according to the New York Heart Association classification, were randomly assigned to two groups: (1) taurine supplementation; or (2) placebo. The taurine group received oral taurine (500 mg) 3 times a day for 2 weeks, and performed exercise before and after the supplementation period. The placebo group followed the same protocol, but with a starch supplement (500 mg) rather than taurine. The incremental multilevel treadmill test was done using a modified Bruce protocol. RESULTS: Our results indicate that inflammatory indices [C-reactive protein (CRP), platelets] decreased in the taurine group in pre-exercise, post-supplementation and post-exercise, post-supplementation as compared with pre-exercise, pre-supplementation ( p < 0.05) whereas these indices increased in pre-exercise, post-supplementation and post-exercise, post-supplementation as compared with pre-exercise, pre-supplementation in the placebo group ( p < 0.05). Our results also show that atherogenic indices [Castelli's Risk Index-I (CRI-I), Castelli's Risk Index-II (CRI-II) and Atherogenic Coefficient (AC)] decreased in the taurine group in pre-exercise, post-supplementation and post-exercise, post-supplementation as compared with pre-exercise, pre-supplementation ( p < 0.05). No such changes were noted in the placebo group ( p > 0.05). CONCLUSIONS: our results suggest that 2 weeks of oral taurine supplementation increases the taurine levels and has anti-atherogenic and anti-inflammatory effects prior to and following incremental exercise in HF patients.
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