Limitation of venoarterial bypass. Early predictor and optimal conversion

Yasuhisa Oishi, Munetaka Masuda, Ken Ichi Imasaka, Shigeki Morita, Hisataka Yasui

Research output: Contribution to journalReview articlepeer-review

Abstract

Conversion from venoarterial bypass to a ventricular assist device may be life-saving for patients with severe heart failure, but the criteria for conversion have not yet been established. Forty patients who underwent venoarterial bypass for cardiac failure were reviewed. Of these, 18 (45%) could be weaned from venoarterial bypass, and 11 survived for more than 30 days after weaning (survival rate, 27.5%). Liver dysfunction, renal dysfunction, and the need for left-sided cardiac venting were risk factors for mortality. The appearance of patient's own cardiac pulse wave within 24 hours after the introduction of venoarterial bypass was a good indication for weaning. Delayed appearance of the cardiac pulse wave was considered to be a risk factor for death. According to these indices, conversion from venoarterial bypass to a ventricular assist device should be considered to prevent deterioration in the function of systemic organs.

Original languageEnglish
Pages (from-to)167-171
Number of pages5
JournalAsian Cardiovascular and Thoracic Annals
Volume13
Issue number2
DOIs
Publication statusPublished - Jun 2005

All Science Journal Classification (ASJC) codes

  • Surgery
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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