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Abdelwahab, Amr A.; Sabry, Mohab; Elshora, Hatem A.; Arafat, Amr A.
Heart, lung & circulation, November 2019, 2019-Nov, 2019-11-00, 20191101, Volume: 28, Issue: 11Journal Article
Cellular injury is not avoidable with current cardioplegic solutions. The effect of adenosine on reducing cardiac injury post-surgery is controversial. The objective of the current study is to evaluate the effect of fast cardioplegic arrest induced by adenosine on high sensitive cardiac troponin I after heart valve surgery. Forty-five (45) patients with rheumatic heart diseases underwent heart valve surgery using conventional approach through median sternotomy. They were classified into two groups, group I (n=21) patients received 0.25mg/kg adenosine into the aortic root just after aortic cross-clamping and before infusion of the cold hyperkalaemic crystalloid cardioplegia via antegrade route and group II (n=24) who received cold crystalloid hyperkalaemic cardioplegia without adenosine. Cardiac troponin I was measured preoperatively and on postoperative days 0, 3 and 7. There was no significant difference between both groups in the demographic, preoperative and operative data. Adenosine significantly reduced arrest time. Postoperative high sensitive cardiac troponin I increased significantly in both groups compared to the preoperative levels and the rise continued till postoperative day 3. Troponin levels were significantly lower in the adenosine group compared to the control at all measurements. The clinical outcomes were non-significant different between groups. Using adenosine in inducing fast cardioplegic arrest in heart valve surgery after aortic cross clamp and prior to infusion of the cold cardioplegia had significantly decreased postoperative cardiac troponin levels which was used as a proxy for cellular injury compared to the control group.
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