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DOI: 10.1055/a-2141-8105
Determinants of Inadequate Cardioprotection in Adult Patients with Left Ventricular Dysfunction
Abstract
Background Perioperative cardioprotection is essential for achieving satisfactory clinical outcomes in heart failure patients. It is important to understand the factors affecting perioperative cardioprotection.
Methods The institutional database was searched for patients with reduced ejection fraction (EF, < 40%) who underwent surgery with cardioplegia-induced arrest. Patients were divided into del Nido cardioplegia (DN) and cold blood cardioplegia (CB) groups. The relationships between age, preoperative blood parameters, creatinine, cross-clamp time (CCT), extracorporeal circulation time (ECT), and postoperative troponin values at 12 hours or deterioration of EF (≥5%) were evaluated. Baseline characteristics, operative parameters, and outcomes were analyzed.
Results There were 508 patients with reduced EF (331 DN and 177 CB). In the entire cohort, anemic patients had greater troponin values (p = 0.004) as well as in the DN group (p = 0.002). However, this was not detected in the CB group (flat regression line; p = 0.674). Patients with high leukocyte values had greater troponin release (entire cohort: p < 0.001; DN group: p < 0.001; CB group: steep regression line with p = 0.042). Longer CCT and ECT were associated with greater troponin release (entire cohort; both groups) and greater risk of fall in EF. In a direct comparison, fewer patients had significant deterioration of EF in the DN group than CB group (3.9 vs. 11.9%; p < 0.001).
Conclusion The use of CB cardioplegia may be beneficial in anemic patients, whereas the use of DN cardioplegia may be beneficial for expected long CCT and high leukocytosis.
Data Availability Statement
The article's data can be shared on reasonable request to the corresponding author.
Publication History
Received: 14 February 2023
Accepted: 25 July 2023
Accepted Manuscript online:
26 July 2023
Article published online:
29 August 2023
© 2023. Thieme. All rights reserved.
Georg Thieme Verlag KG
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