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Updated: Sep 20, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Impact of Pacemaker Implantation on Long-Term Survival After Mitral Valve Surgery

Jessica K Millar1, Callie VanWinkle2, Catherine Wagner3

  • 1Department of Surgery, University of Michigan, Ann Arbor, Michigan; Department of Cardiac Surgery, University of Michigan, Ann Arbor, Michigan.

The Annals of Thoracic Surgery
|May 28, 2025
PubMed
Abstract

Insights

Permanent pacemaker implantation (PPM) after mitral valve surgery (MVS) is not independently linked to worse long-term survival. Patients needing PPM have higher baseline risk, highlighting the need for proactive perioperative planning.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Devices

Background:

  • Conduction disorders after aortic valve surgery requiring permanent pacemaker implantation (PPM) are linked to reduced survival.
  • Data on PPM after mitral valve surgery (MVS) are limited, necessitating further investigation.

Purpose of the Study:

  • To evaluate the impact of new PPM on long-term survival after MVS.
  • To assess resource utilization, including ICU length of stay and 30-day readmission rates.

Main Methods:

  • A retrospective analysis of patients undergoing MVS from 2000-2022.
  • Stratification based on the need for postoperative PPM.
  • Kaplan-Meier analysis and Cox proportional hazard models to assess survival outcomes.

Main Results:

  • Of 4690 MVS patients, 5.2% required PPM and had more preoperative risk factors.
  • PPM patients experienced longer ICU stays and higher readmission rates.
  • While initially associated with decreased survival, PPM was not an independent predictor of worse long-term survival after adjustment.

Conclusions:

  • PPM after MVS is not independently associated with diminished long-term survival.
  • Patients requiring PPM exhibit a worse baseline clinical status.
  • Identifying at-risk patients for PPM is crucial for optimizing perioperative planning, resource use, and survival outcomes.

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