Propensity-Matched Analysis of Del Nido Cardioplegia in Adults Undergoing Cardiac Surgery with Prolonged

Utkan Sevuk1, Seyithan Dursun2, Elif Sevgi Ar2

  • 1Department of Cardiovascular Surgery, Diyarbakir Gazi Yasargil Training and Research Hospital, Diyarbakir, Turkey.

Insights

Del Nido cardioplegia is a safe alternative for cardiac surgery, even with extended cross-clamping times. This study found no significant differences in patient outcomes compared to cold blood cardioplegia.

Area of Science:

  • Cardiovascular Surgery
  • Anesthesiology
  • Cardioplegia Solutions

Background:

  • Limited data exists on del Nido cardioplegia safety and efficacy in prolonged aortic cross-clamping.
  • Cold blood cardioplegia is a standard but may have limitations in complex cases.

Purpose of the Study:

  • To compare the efficacy and safety of del Nido cardioplegia versus cold blood cardioplegia.
  • To evaluate outcomes in adult cardiac surgery patients requiring prolonged aortic cross-clamping time (≥ 90 minutes).

Main Methods:

  • Retrospective study comparing 88 del Nido cardioplegia patients with 88 propensity score-matched cold blood cardioplegia patients.
  • Inclusion criteria: adult cardiac surgery with aortic cross-clamping time ≥ 90 minutes.

Main Results:

  • No significant differences observed in intraoperative defibrillation, postoperative peak troponin T, inotropic support, or intra-aortic balloon pump use.
  • Left ventricular ejection fraction, cardiopulmonary bypass time, and total operation time were comparable between groups.
  • Mean cross-clamping time was significantly shorter in the del Nido cardioplegia group (P<0.001).

Conclusions:

  • Del Nido cardioplegia presents a safe alternative to cold blood cardioplegia for adult cardiac surgery.
  • The findings support the use of del Nido cardioplegia in procedures involving prolonged aortic cross-clamping.
Abstract