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THE JOURNAL OF CARDIOVASCULAR SURGERY

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The Journal of Cardiovascular Surgery 1998 April;39(2):201-8

Copyright © 2000 EDIZIONI MINERVA MEDICA

language: English

Incidence and risk factors of perioperative cerebral complications. Heart transplantation compared to coronary artery bypass grafting and valve surgery

Inoue K., Luth J. U., Pottkamper D., Straub K. M., Minami K.*, Reichelt W.

From the Department of Anaesthesia and *Department of Thoracic and Cardiovascular Surgery, Heart and Diabetes Center Nordrhein-Westfalen, Ruhr University of Bochum, Bad Oeynhausen, Germany


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Objective. The aim of this study was to define the neurologic risk of heart transplantation compared to coronary artery bypass grafting (CABG) and valve surgery.
Design. A retrospective study.
Setting. A university hospital.
Patients. 8001 patients undergoing heart transplantation, CABG and valve surgery.
Measures. The incidences of perioperative central nervous system (CNS) complications were compared between different procedures. Risk factors were analysed using univariate and multivariate methods.
Results. The overall incidence of CNS complications was 19.8% (78/393) in heart transplantation, 3.1% (176/5734) in elective CABG, 9.5% (161/1689) in elective valve surgery, 10.3% (15/146) in emergency CABG and 51.3% (20/39) in emergency valve surgery. Most powerful predictors of CNS complications were preoperative intra-aortic counterpulsation (IABP) in the heart transplantation group, age >65 years in the CABG group and preoperative use of catecholamine in the valve group.
Conclusions. CNS complications occur much more frequently after heart transplantation than elective CABG and valve surgery. The high incidence of CNS complications after emergency operations as well as preoperative catecholamine and IABP as powerful contributing factors suggest that preoperative cerebral hypoperfusion due to a compromised hemodynamic state facilitates postoperative CNS complications and this may partly explain the high incidence of CNS complications after heart transplantation.

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