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Beating-heart valve surgery: A systematic review Salhiyyah K; Taggart DAsian Cardiovasc Thorac Ann 2009[Dec]; 17 (6): 650-8Beating-heart continuous coronary perfusion (BHCCP) has been promoted as an alternative to the technique of cardioplegic arrest in valve surgery. Its potential advantage is the elimination of cardioplegia and the corollary risk of ischemic reperfusion injury. The use of CCP has been recommended especially when performing more complex operations, such as mitral valve repair, and particularly as surgeons become more familiar with beating-heart coronary surgery. We conducted a systematic review to assess the strength of the evidence supporting the efficacy of BHCCP compared to cardioplegia in valve surgery. Thirty nine reports were identified. Of these, only two were randomized control trials. Overall the studies were generally of poor quality and had a low evidence level. In those studies, mortality and major morbidity from BHCCP were within acceptable levels, nevertheless, there was no advantage over cardioplegic arrest. On the other hand there is weak evidence that it may reduce functional and biochemical markers of myocardial injury. In conclusion, BHCCP is an operative strategy in valve surgery with some potential benefits. There is, however a need for a high quality, prospective, randomized control trial to establish the exact role for BHCCP in complex valve surgery.|*Cardiac Surgical Procedures/adverse effects/mortality[MESH]|*Perfusion/adverse effects/mortality[MESH]|Evidence-Based Medicine[MESH]|Heart Arrest, Induced[MESH]|Heart Valve Diseases/mortality/*surgery[MESH]|Heart Valves/*surgery[MESH]|Humans[MESH]|Risk Assessment[MESH]|Treatment Outcome[MESH] |
