Perioperative ventricular dysrhythmias in patients with structural heart disease undergoing noncardiac surgery

Anesthesia and Analgesia
E MahlaH Metzler

Abstract

Noncardiac surgical patients with preoperative ventricular dysrhythmias and structural heart disease may be at increased risk of adverse cardiac outcome. We evaluated how anesthesia and surgery affect the course of ventricular dysrhythmias (premature ventricular beats [PVB] and repetitive forms of ventricular beats [RFVB]: couplets and nonsustained ventricular tachycardia) noted preoperatively in patients with structural heart disease and whether the frequency of ventricular dysrhythmias affects cardiac outcome. In a prospective study, 70 patients scheduled for noncardiac surgery with structural heart disease and RFVB on preoperative Holter electrocardiogram were continuously monitored intraoperatively and for 3 days postoperatively. Holter tracings were analyzed for rhythm, medians of total PVB and RFVB per hour. Preoperative RFVB recurred intraoperatively in 35% and postoperatively in 87% of patients. There was a significant intra- and postoperative decrease of total PVB per hour (P < 0.05) and RFVB per hour (P < 0.01). Frequency of ventricular dysrhythmias in the five patients suffering adverse outcome (unstable angina, n = 1; congestive heart failure, n = 4) did not significantly differ from those with good outcome. We conc...Continue Reading

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Citations

Oct 31, 2000·Critical Care Medicine·S M Hollenberg, R P Dellinger
Jul 16, 2009·Annals of Cardiac Anaesthesia·Dilek KazanciOzcan Erdemli
Sep 6, 2011·British Journal of Anaesthesia·S SabatéUNKNOWN ANESCARDIOCAT Group
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May 5, 2017·Health Services Insights·Arsalan RafiqJonathan N Bella

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