Minimised versus conventional cardiopulmonary bypass: outcome of high-risk patients

Haneya, Assad and Philipp, Alois and Schmid, Christof and Diez, Claudius and Kobuch, Reinhard and Hirt, Stephan and Zink, Wolfgang and Puehler, Thomas (2009) Minimised versus conventional cardiopulmonary bypass: outcome of high-risk patients. EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY, 36 (5). pp. 844-848. ISSN 1010-7940, 1873-734X

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Abstract

Background: Coronary artery bypass grafting (CABG) with extracorporeal circulation (ECC) is the gold standard for surgical coronary revascularisation. Recently, minimised extracorporeal circulation system (MECC) has been postulated a safe and advantageous alternative for multi-vessel CABG. Method: Between January 2004 and December 2007, 244 high-risk patients (logistic EuroScore (ES) > 10%) underwent CABG in our institution. ECC was used in 139 (57%) and MECC in 105 (43%) patients. Demographic data including age (MECC: 73.4 +/- 7.4 years; ECC: 73.3 +/- 6.4 years), ES (MECC: 19.2 +/- 9.8%; ECC: 21.4 +/- 11.9%), left-ventricular ejection fraction (MECC: 45.6 +/- 16.1%; ECC: 43.1 +/- 15.3%), diabetes mellitus (MECC: 14.3%; ECC: 15.1%) and COPD (MECC: 6.7%; ECC: 7.9%) did not differ between the two groups. Preoperative end-stage renal failure was an exclusion criterion. The clinical course and serological/haematological parameters in the ECC and MECC patients were compared in a retrospective manner. Results: Although the numbers of distal anastomoses did not differ between the two groups (MECC: 3.0 +/- 0.9; ECC: 2.9 +/- 0.9), ECC time was significantly shorter in the MECC group (MECC: 96 +/- 33 min; ECC: 120 +/- 50 min, p < 0.01). Creatinine kinase (CK) levels were significantly tower 6 h after surgery in the MECC group (MECC: 681 +/- 1505 U l(-1); ECC: 1086 +/- 1338 U l(-1), p < 0.05) and the need of red blood cell. transfusion was significantly less after MECC surgery (MECC: 3 [range: 1-6]; ECC: 5 [range: 2-9] p < 0.05). Moreover, 30-day mortality was significantly tower in the MECC group as compared to the ECC group (MECC: 12.4%; ECC: 26.6, p < 0.01). Discussion: MECC is a safe alternative for CABG surgery. A lower 30-day mortality, lower transfusion requirements and less renal and myocardial damage encourage the use of MECC systems, especially in high-risk patients. (C) 2009 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: EXTRACORPOREAL-CIRCULATION; FOLLOW-UP; SYSTEM; Extracorporeal circulation (ECC); Minimised extracorporeal circulation system (MECC); Coronary artery bypass grafting (CABG); EuroScore; High-risk patients
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Anästhesiologie
Medicine > Lehrstuhl für Herz-, Thorax- und herznahe Gefäßchirurgie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 02 Sep 2020 08:21
Last Modified: 02 Sep 2020 08:21
URI: https://pred.uni-regensburg.de/id/eprint/28178

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