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J. Thorac. Cardiovasc. Surg. · Jan 2023
Twenty-year outcomes of minimally invasive direct coronary artery bypass surgery: The Leipzig experience.
- Piroze M Davierwala, Alexander Verevkin, Laura Bergien, Konstantin von Aspern, Salil V Deo, Martin Misfeld, David Holzhey, and Michael A Borger.
- Leipzig Heart Center, University Department for Cardiac Surgery, Leipzig, Germany. Electronic address: pirarm@hotmail.com.
- J. Thorac. Cardiovasc. Surg. 2023 Jan 1; 165 (1): 115127.e4115-127.e4.
ObjectiveMinimally invasive direct coronary artery bypass (MIDCAB) surgery involving left anterior descending coronary artery grafting with the left internal thoracic artery through a left anterior small thoracotomy is being routinely performed in some specified centers for patients with isolated complex left anterior descending coronary artery disease, but very few reports regarding long-term outcomes exist in literature. Our study was aimed at assessing and analyzing the early and long-term outcomes of a large cohort of patients who underwent MIDCAB procedures and identifying the effects of changing trends in patient characteristics on early mortality.MethodsA total of 2667 patients, who underwent MIDCAB procedures between 1996 and 2018, were divided into 3 groups on the basis of the year of surgery: group A, 1996-2003 (n = 1333); group B, 2004-2010 (n = 627) and group C, 2011-2018 (n = 707). Groupwise characteristics and early postoperative outcomes were compared. Long-term survival for all patients was analyzed and predictors for late mortality were identified using Cox proportional hazards methods.ResultsThe mean age was 64.5 ± 10.9 years and 691 (25.9%) patients were female. Group C patients (log EuroSCORE I = 4.9 ± 6.9) were older with more cardiac risk factors and comorbidities than groups A (log EuroSCORE I = 3.1 ± 4.5) and B (log EuroSCORE I = 3.5 ± 4.7). Overall and groupwise in-hospital mortality was 0.9%, 1.0%, 0.6%, and 1.0% (P = .7), respectively. Overall 10-, 15-, and 20-year survival estimates for all patients were 77.7 ± 0.9%, 66.1 ± 1.2%, and 55.6 ± 1.6%, respectively.ConclusionsMIDCAB can be safely performed with very good early and long-term outcomes. In-hospital mortality remained constant over the 22-year period of the study despite worsening demographic profile of patients.Copyright © 2021 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.
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