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Acute effect of percutaneous MitraClip therapy in patients with haemodynamic decompensation

Simon Biner1, Robert J Siegel, Ted Feldman

  • 1Cedars-Sinai Heart Institute, Los Angeles, CA 90048, USA.

European Journal of Heart Failure
|May 17, 2012
PubMed

Insights

MitraClip therapy improved cardiac index in patients with low baseline cardiac index (CI). The treatment also reduced left ventricular end-diastolic pressure and pulmonary artery pressure in patients with elevated baseline values.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Surgery

Background:

  • MitraClip therapy is a treatment for mitral regurgitation.
  • Hemodynamic decompensation is a serious complication of heart disease.
  • Assessing the hemodynamic effects of MitraClip is crucial for patient management.

Purpose of the Study:

  • To evaluate the hemodynamic effects of acute procedural success (APS) following MitraClip therapy.
  • To identify patient subgroups that benefit most from MitraClip regarding hemodynamic improvement.

Main Methods:

  • Retrospective analysis of 107 patients undergoing MitraClip implantation.
  • Assessment of hemodynamic parameters including cardiac index (CI), left ventricular end-diastolic pressure (LVEDP), pulmonary capillary wedge pressure (PCWPm), and pulmonary artery pressure (PAPm).
  • Comparison of hemodynamic changes between patients with and without decompensation, and stratified by baseline values.

Main Results:

  • 79 patients achieved acute procedural success (APS).
  • Significant increase in CI observed in patients with low baseline CI (2.0 to 2.5 L/min/m²).
  • Significant reductions in LVEDP, PCWPm, and PAPm were noted in patients with elevated baseline values, particularly in those with decompensation.

Conclusions:

  • MitraClip therapy demonstrates favorable hemodynamic effects, notably improving CI in patients with pre-existing low CI.
  • The therapy effectively reduces left-sided filling pressures and pulmonary artery pressure in patients with elevated baseline values, especially those experiencing decompensation.
Abstract

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