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Risk factors for requirement of permanent pacemaker implantation after aortic valve replacement

Hasan Basri Erdogan1, Nihan Kayalar, Hasan Ardal

  • 1Kosuyolu Heart and Research Hospital, Department of Cardiovascular Surgery, Istambul, Turkey.

Journal of Cardiac Surgery
|May 11, 2006
PubMed

Insights

Permanent pacemaker implantation is uncommon after aortic valve replacement (AVR). Key risk factors include annular calcification, bicuspid aortic valve, female sex, conduction blocks, hypertension, and longer perfusion times.

Area of Science:

  • Cardiology
  • Cardiac Surgery

Background:

  • Aortic valve replacement (AVR) is a common procedure for aortic valve disease.
  • Understanding the incidence and predictors of permanent pacemaker (PPM) requirement post-AVR is crucial for patient management.

Purpose of the Study:

  • To determine the frequency of PPM implantation after AVR.
  • To identify risk factors associated with the need for permanent pacing post-AVR.

Main Methods:

  • Retrospective analysis of 465 patients undergoing AVR between 1994 and 2004.
  • Evaluation of patient demographics, preoperative conditions, operative details, and outcomes related to permanent pacing.

Main Results:

  • 19 patients (4.1%) required PPM implantation.
  • Significant risk factors identified by multivariate analysis included female sex, annular calcification, bicuspid aortic valve, right or left bundle branch block, hypertension, and total perfusion time.

Conclusions:

  • Irreversible atrioventricular block necessitating PPM is an infrequent complication of AVR.
  • Risk factors such as annular calcification, bicuspid aortic valve, female sex, conduction abnormalities, hypertension, and prolonged perfusion time are associated with PPM requirement.
Abstract

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