Abstract
Background
Myocardial protection during operations with cardiopulmonary bypass (CPB) and aortic cross clamping is vital. For this purpose, Del Nido (DN) and Custodiol cardioplegia (CC) solutions are used for single-dose cardioplegia in cardiac surgical procedures with CPB. Present study aimed to compare the effects of DN and CC on peri-operative clinical outcomes in pediatrics with Tetralogy of Fallot (TF) undergoing cardiopulmonary bypass.
Methods
Present randomized clinical trial was performed in two trial groups with parallel design. One group received DN and another group received CC. We assessed circulatory Troponin-I (cTnI) and coronary sinus lactate level as primary outcomes. Secondary outcomes were ventilation time, electrolytes levels, pump time, cross-clamp time and other clinical parameters.
Results
Duration of CPB and cross-clamp were the same in both groups. There were no significant differences in hemodynamic parameters, left ventricular ejection fraction after the surgery and discharge time between the two trial groups. Ventilation time (8.5 vs. 18; p = 0.001), ICU stay, Troponin-I in ICU admission and Coronary sinus lactate level (p = 0.001) were significantly higher among patients of Custodiol group compared to other trial group. Electrolytes Na, Cl and K levels, during CPB, were significantly less in Custodiol group.
Conclusion
When used for inducing cardiac arrest during CPB, DN solution offers better maintenance of the electrolyte balance during CPB, and is associated with less circulatory cTnI and coronary sinus lactate level compared with the CC.
Keywords
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