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[First experiences with a miniaturized heart-lung-machine].

M Schmid1, M Aranda-Carrero, S Christiansen

  • 1Department of Cardiothoracic Surgery, University of Aachen, Germany.

Biomedizinische Technik. Biomedical Engineering
|December 6, 2002
PubMed
Summary
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Miniaturized heart-lung machines (HLM) show promise in reducing organ impairment during cardiosurgery. This study found beating heart coronary artery bypass grafting successful in all patients using a miniaturized HLM.

Area of Science:

  • Cardiovascular Surgery
  • Medical Device Technology
  • Cardiopulmonary Bypass

Context:

  • Conventional heart-lung machines (HLM) are associated with significant organ dysfunction after cardiosurgery.
  • Miniaturized HLMs offer a potential solution to mitigate these adverse effects.
  • Beating heart coronary artery bypass grafting (BHCABG) is a surgical technique that can be performed with cardiopulmonary support.

Purpose:

  • To evaluate the initial clinical experience with a miniaturized HLM during BHCABG.
  • To assess the safety and efficacy of a miniaturized HLM in a small patient cohort.
  • To determine if a miniaturized HLM can reduce the deleterious effects of conventional cardiopulmonary bypass.

Summary:

  • Nine patients underwent BHCABG utilizing a miniaturized HLM with a Deltastream extracorporeal rotary blood pump.

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  • Eight out of nine patients experienced an uneventful postoperative recovery.
  • The miniaturized HLM facilitated successful BHCABG in all patients, despite one early postoperative mortality.

    • Impact:

    • This study suggests that miniaturized HLMs may be a viable alternative to conventional systems for BHCABG.
    • The findings support the potential for improved patient outcomes with reduced organ impairment.
    • Further research is warranted to confirm these preliminary results and explore long-term benefits.