The Effect of Supplemental Cardioplegia Infusion before Anastomosis in Patients Undergoing Heart Transplantation with Long Ischemic Timesopen access
- Kim, H.R.; Jung, S.-H.; Yang, J.; Kim, M.S.; Yun, T.-J.; Kim, J.-J.; Lee, J.W.
- Issue Date
- Korean Society for Thoracic and Cardiovascular Surgery
- Coldischemia; Heart transplantation; Induced heart arrest; Primary graft dysfunction
- Korean Journal of Thoracic and Cardiovascular Surgery, v.53, no.6, pp.375 - 380
- Journal Title
- Korean Journal of Thoracic and Cardiovascular Surgery
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- End Page
- Background: Prolonged ischemic time is a risk factor for primary graft dysfunction in patients who undergo heart transplantation. We investigated the effect of a supplemental cardioplegia infusion before anastomosis in patients with long ischemic times. Methods: We identified 236 consecutive patients who underwent orthotopic heart transplantation between February 2010 and December 2014. Among them, the patients with total ischemic times of longer than 3 hours (n=59) were categorized based on whether they were administered a complementary cardioplegia solution (CPS) immediately before implantation (CPS+, n=30; CPS-, n=29). Results: The mean total ischemic times in the CPS+ and CPS- groups were 238.1±30.1 minutes and 230.1±28.2 minutes, respectively (p=0.3). The incidence of left ventricular primary graft dysfunction (CPS+, n=6 [20.0%]; CPS-, n=5 [17.2%]; p=0.79) was comparable between the groups. In the Kaplan-Meier survival analysis, no significant difference in overall survival at 5 years was observed between the CPS+ and CPS- groups (83.1%±6.9% vs. 89.7%±5.7%, respectively; log-rank p=0.7). No inter-group differences in early mortality (CPS+, n=0; CPS-, n=1 [3.4%]; p=0.98) or complications were observed. Conclusion: The additional infusion of a cardioplegia solution immediately before implantation in patients with longer ischemic times is a simple, reproducible, and safe procedure. However, we did not observe benefits of this strategy in the present study. Copyright ? The Korean Society for Thoracic and Cardiovascular Surgery. 2020. All right reserved.
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