DOES BEATING HEART SURGERY TECHNIQUE REDUCE THE MORTALITY AND MORBIDITY AFTER REDO VALVE OPERATIONS?
Aim: The aim of this study was to determine the effect of beating heart technique on mortality and morbidity after redo valve operations.
Material and Method: Fifty-two patients who had redo open-heart surgery between May 2005 and November 2006 in Tkiye Ysek ?htisas Hospital included in this prospective study. All patients had a history of open-heart surgery with median sternotomy. Thirty-two patients who had redo open-heart surgery with beating heart technique were included in Group 1 and 20 patients who had redo open-heart surgery with conventional cardioplegic myocardial arrest technique were included in Group 2. Patients who had any cardiac surgery without median sternotomy were excluded.
Results: Functional capacity according to New York Heart Association classification was significantly lower and number of patients with chronic obstructive lung disease was significantly higher in Group 1 (p=0.011 and p=0.003 respectively). There was no significant difference in other preoperative variables. Operation, cardiopulmonary bypass and aortic cross-clamping times were significantly higher in Group 2 (p=0.001, p=0.003, p=0.04 respectively). Mechanical ventilation, inotropic agent support and hospitalization times were significantly higher in Group 2 (p<0.05). Intensive care unit time was significantly longer in Group 1 (p<0.05). Drainage volumes, blood product transfusion volumes, intra-aortic balloon pump support times were not significantly different between the groups.
Conclusion: Beating heart technique in redo heart valve operations has better outcomes than the conventional technique.
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