• Robert B Hawkins, James W Stewart, Xiaoting Wu, Joshua Goldberg, David Fitzgerald, Alphonse DeLucia, Brittney Graebner, Charles Willekes, Francis D Pagani, Donald H Nieter, Donald S Likosky, Gorav Ailawadi, and PERForm Registry and the Michigan Society of Thoracic and Cardiovascular Surgeons Quality Collaborative.
• Department of Cardiac Surgery, Michigan Medicine, Ann Arbor, Mich. Electronic address: Robertbh@med.umich.edu.
• J. Thorac. Cardiovasc. Surg. 2023 Oct 2.

ObjectivesThe use of del Nido cardioplegia in adult cardiac surgery is rising in popularity. The objective of this large multicenter study was to evaluate the use and associated outcomes of del Nido versus blood cardioplegia in adult cardiac surgery.MethodsPatients undergoing coronary artery bypass grafting (CABG) and/or valve (mitral, aortic), and/or nondescending thoracic aortic surgery (July 2014 to March 2022) across 39 centers were extracted from the Perfusion Measures and Outcomes registry. Patients were stratified by cardioplegia type for unadjusted analysis and multivariable mixed-effects models were used for risk adjustment.ResultsOf 44,175 patients, 42.5% used del Nido, with use increasing 48% over time. Overall, the del Nido group had shorter median crossclamp time (74 minutes vs 87 minutes, P < .001) and lower median peak intraoperative glucose levels (161 mg/dL vs 180 mg/dL, P < .001). Use of del Nido was not associated with operative mortality (adjusted odds ratio [ORadj], 1.16; P = .075) nor major morbidity (ORadj, 1.05; P = .25). Findings for valve cases were similar, except crossclamp time differences were variable by type of valve procedure. Within the CABG subgroup there was a trend toward increased operative mortality with del Nido (ORadj, 1.24; P = .069), whereas the risk of renal failure approaches statistical significance in the aortic subgroup (ORadj, 1.54; P = .056).ConclusionsIn this large, multicenter study, the use of del Nido was associated with variable crossclamp time differences, lower intraoperative glucose levels, and no significant difference in major morbidity or mortality. Efficiency benefits of del Nido may be limited in valve cases, whereas outcomes in CABG and aortic cases warrant further study.Copyright © 2023. Published by Elsevier Inc.

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