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Related Experiment Videos

Early results with partial left ventriculectomy

P M McCarthy1, R C Starling, J Wong

  • 1Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic Foundation, Ohio 44195, USA.

The Journal of Thoracic and Cardiovascular Surgery
|December 31, 1997
PubMed
Summary
This summary is machine-generated.

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Partial left ventriculectomy improved heart function in dilated cardiomyopathy patients, reducing ventricular size and mitral regurgitation. This surgery shows potential as a bridge to heart transplantation.

Area of Science:

  • Cardiology
  • Cardiac Surgery

Background:

  • Dilated cardiomyopathy significantly impairs left ventricular function.
  • Heart transplantation is often the only option for end-stage heart failure.

Purpose of the Study:

  • To evaluate the role and outcomes of partial left ventriculectomy in patients with dilated cardiomyopathy.

Main Methods:

  • Partial left ventriculectomy was performed on 53 patients (mean age 53, 60% Class IV), primarily heart transplant candidates.
  • Procedures included mitral valve repair (Alfieri repair, annuloplasty) and papillary muscle reimplantation in select cases.
  • Surgical extent was increased with experience, with two patients undergoing mitral valve replacement.

Main Results:

  • Significant reductions in left ventricular dimensions (8.3cm to 5.8cm) and mitral regurgitation (2.8+ to 0) were observed.

Related Experiment Videos

  • Forward ejection fraction increased from 15.7% to 32.7%, though cardiac index showed no significant change.
  • Perioperative mortality was 1.9% (1 patient), with 11-month actuarial survival at 87% and freedom from re-listing for transplant at 72%.

    • Conclusions:

    • Partial left ventriculectomy demonstrated significant functional improvements in dilated cardiomyopathy.
    • Refined patient selection is crucial for avoiding early failures.
    • The procedure may serve as a viable bridge or alternative to heart transplantation.