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Aortic valve replacement using a continuous suture technique

H Laks1, J M Pearl, S W Barthel

  • 1Department of Surgery, University of California, Los Angeles School of Medicine.

Journal of Cardiac Surgery
|July 1, 1993
PubMed
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The continuous suture technique offers a faster aortic valve replacement (AVR) with reduced bypass time. This method demonstrates effectiveness and a low incidence of perivalvular leak in surgical patients.

Area of Science:

  • Cardiac Surgery
  • Cardiovascular Research
  • Surgical Techniques

Background:

  • The continuous suture technique is an alternative for aortic valve replacement (AVR).
  • Potential benefits include reduced ischemic and bypass times.
  • Widespread adoption has been limited despite reported low perivalvular leak rates.

Purpose of the Study:

  • To review institutional experience with the continuous suture technique for AVR.
  • To evaluate the efficacy and safety of this method in a consecutive patient cohort.

Main Methods:

  • Retrospective review of 181 patients undergoing AVR with the continuous suture technique (January 1984 - November 1991).
  • Analysis of patient demographics, diagnoses (aortic stenosis, aortic insufficiency), and procedural types (isolated vs. combined).

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  • Assessment of early and late mortality, and incidence of perivalvular leak.

    • Main Results:

    • Overall early mortality was 5.5% (0% for isolated AVR, 8.0% for combined procedures).
    • Late mortality was 4.7% with a mean follow-up of 30 months.
    • Perivalvular leak occurred in 2.3% of survivors, exclusively in cases without pericardial reinforcement; none required reoperation.

    Conclusions:

    • The continuous suture technique is a rapid and effective method for aortic valve replacement.
    • It is associated with a low incidence of perivalvular leak, particularly when the suture line is reinforced.
    • This technique warrants consideration for its efficiency and safety profile in AVR.