|
|
||||||||
The Annals of Thoracic Surgery, Vol 43, 182-184, Copyright © 1987 by The Society of Thoracic Surgeons
SM Fall, NA Burton, GM Graeber, HD Head, FC Lough, RA Albus and R Zajtchuk
Ventricular fibrillation during reperfusion after aortic cross-clamping for
coronary artery bypass grafting may cause subendocardial injury. We
investigated the use of lidocaine to prevent ventricular fibrillation
during this period. In a blind, prospective, randomized trial, 91
consecutive patients undergoing elective coronary artery bypass graft
procedures were given lidocaine (2 mg/kg) or normal saline immediately
before removal of the aortic cross-clamp. The groups were similar with
respect to demographic, clinical, and intraoperative variables. Myocardial
preservation techniques were similar in both groups. Of 47 patients
receiving lidocaine, 38 recovered a supraventricular rhythm without
ventricular fibrillation, compared with only 5 of 44 patients in the
control group (p less than .001). When ventricular fibrillation occurred,
patients in the control group required a greater number of direct-current
countershocks (2.31 versus 1.86) to convert to sinus rhythm. Transient
heart block, requiring temporary pacing, developed in 3 patients in the
lidocaine group, compared with 1 patient in the control group. There was no
significant difference between the groups in the requirement for
perioperative inotropic support (6 of 47 versus 6 of 44) or the number of
myocardial infarctions (2 of 47 versus 1 of 44), and there were no deaths
in either group. Lidocaine infusion immediately before removal of the
aortic cross-clamp significantly reduces the incidence of ventricular
fibrillation during the reperfusion period after cardiopulmonary bypass.
ARTICLES
Prevention of ventricular fibrillation after myocardial revascularization
This article has been cited by other articles:
![]() |
E. Ovrum, G. Tangen, E. A. Holen, M.-A. L. Ringdal, and R. Istad Conversion of Postischemic Ventricular Fibrillation With Intraaortic Infusion of Potassium Chloride Ann. Thorac. Surg., July 1, 1995; 60(1): 156 - 159. [Abstract] [Full Text] |
||||
| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
| ANN THORAC SURG | ASIAN CARDIOVASC THORAC ANN | EUR J CARDIOTHORAC SURG |
| J THORAC CARDIOVASC SURG | ICVTS | ALL CTSNet JOURNALS |