Journal
CARDIOVASCULAR JOURNAL OF AFRICA
Volume 23, Issue 8, Pages 451-455Publisher
CLINICS CARDIVE PUBL PTY LTD
DOI: 10.5830/CVJA-2012-050
Keywords
exercise; heart; infarction; ischaemia; reperfusion
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Funding
- Scientific Association of the Islamic Azad University, Tabriz branch
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Objective: We studied the cardioprotective effect of resistance training against ischaemia-reperfusion-induced injury. Methods: Forty male rats were divided into trained and sedentary groups (n = 20 for each). The trained rats were exercised at 12 repetitions/set, four sets/day and five days/week for four weeks. Transient regional ischaemia of the left anterior descending coronary artery (40 min) was followed by 80 min of reperfusion. Results: Baseline developed and diastolic pressures and coronary flow were similar in the two groups. While diastolic pressure increased and developed pressure and coronary flow decreased in both the ischaemic and perfusion periods (as indices of cardiac damage), there were no statistically significant differences between the trained and sedentary groups in these parameters. Resistance training did not significantly change the infarct size and apoptosis rate. Conclusion: We did not see a cardioprotective effect of resistance exercise against ischaemia-reperfusion-induced injury in this study. A precise conclusion about this issue needs more investigations.
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