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Related Experiment Videos

Postcardiotomy centrifugal assist: a single surgeon's experience.

Jack J Curtis1, Charlotte A McKenney-Knox, Colette C Wagner-Mann

  • 1Division of Cardiothoracic Surgery, University of Missouri, Columbia, USA. curtisj@health.missouri.edu

Artificial Organs
|October 31, 2002
PubMed
Summary

Temporary centrifugal mechanical assist devices can salvage patients with postcardiotomy heart failure. This study shows 52.4% hospital survival, with survivors enjoying reasonable long-term longevity.

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Area of Science:

  • Cardiovascular Surgery
  • Mechanical Circulatory Support
  • Critical Care Medicine

Background:

  • Post-cardiotomy heart failure is a rare but serious complication.
  • Published data often combines results from multiple surgeons, obscuring individual learning curves.
  • Limited options exist for patients unable to wean from cardiopulmonary bypass.

Purpose of the Study:

  • To evaluate the efficacy of a single surgeon's experience using centrifugal pumps as ventricular assist devices.
  • To assess outcomes for patients with severe hemodynamic compromise after open heart surgery.
  • To compare results with other mechanical assist devices.

Main Methods:

  • A single surgeon utilized 35 Sarns Centrifugal Pumps as ventricular assist devices in 21 patients between 1986 and 2001.

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  • Indications included inability to wean from cardiopulmonary bypass despite maximal medical therapy.
  • Patients received right, left, or biventricular support for 2-434 hours.

    • Main Results:

    • Fifteen patients (71.4%) were successfully weaned from the devices.
    • Eleven patients (52.4%) survived hospitalization.
    • Actuarial survival was 78% at 5 years and 39% at 10 years for hospital survivors.

    Conclusions:

    • Temporary centrifugal mechanical assist can salvage patients with postcardiotomy heart failure.
    • Outcomes are comparable to those achieved with more advanced assist devices.
    • Hospital survivors demonstrate reasonable long-term survival rates.