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Long-term results after partial left ventriculectomy.

Matthias Claus1, Mark Beling, Andrea Grohmann

  • 1Klinik für Innere Medizin mit Schwerpunkt Kardiologie, Angiologie und Pulmologie, Universitätsklinikum Charité, Campus Mitte, Humboldt-Universität, Schumannstr. 20/21, D-10117, Berlin, Germany. matthias.claus@charite.de <matthias.claus@charite.de>

International Journal of Cardiology
|May 28, 2003
PubMed
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Partial left ventriculectomy (PLV) shows high mortality and no long-term cardiac performance improvement in heart failure patients. Key predictors of mortality include reduced ventricular wall thickness and poor response to dobutamine.

Area of Science:

  • Cardiovascular Surgery
  • Heart Failure Management
  • Surgical Outcomes Research

Background:

  • Partial left ventriculectomy (PLV) is a surgical option for advanced heart failure.
  • Long-term effects and outcome predictors following PLV require thorough investigation.

Purpose of the Study:

  • To determine the long-term clinical, echocardiographic, and hemodynamic effects of PLV.
  • To identify predictors of outcome after PLV in patients with various cardiomyopathies.

Main Methods:

  • PLV was performed on 39 patients (NYHA class III/IV) with dilated, ischemic, or valvular cardiomyopathy.
  • Follow-up included clinical, echocardiographic, hemodynamic assessments, and stress testing up to 24 months.
  • Concomitant procedures like CABG and valve surgery were performed as needed.

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Main Results:

  • Actuarial survival rates were 64% at 1 year, 55% at 2 years, and 44% at 3 years.
  • Significant improvement in NYHA functional class was observed at 2-year follow-up.
  • No significant long-term improvement in LV ejection fraction, LV end-diastolic diameter, cardiac index, or peak oxygen consumption was noted.

Conclusions:

  • PLV is associated with significant postoperative mortality.
  • The procedure does not provide sustained long-term improvement in cardiac performance.
  • Decreased left ventricular wall thickness and inadequate stroke volume index response to dobutamine predict mortality.