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Related Experiment Videos

[Aortic valve operations through an upper partial sternotomy].

H Kiyama1, T Imazeki, Y Irie

  • 1Department of Cardiovascular and Thoracic Surgery, Koshigaya Hospital, Dokkyo University School of Medicine, Saitama, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 14, 1999
PubMed
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This study explored a minimal access approach for aortic valve replacement (AVR), using an upper partial sternotomy. Results suggest it offers comparable outcomes to conventional sternotomy, with potential for faster recovery.

Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Cardiac Surgery
  • Aortic Valve Replacement

Background:

  • Median sternotomy is the standard approach for cardiac surgery, offering wide access.
  • Minimal access techniques aim to reduce postoperative discomfort and improve recovery times.
  • Previous studies suggest parasternal incisions can be effective for valve operations.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of an upper partial sternotomy approach for isolated aortic valve replacement (AVR).
  • To compare the minimal access technique with conventional median sternotomy in terms of operative results and patient recovery.

Main Methods:

  • A retrospective comparison of 14 patients undergoing AVR with a minimal access upper partial sternotomy (group M) versus 19 patients with conventional median sternotomy (group F).

Related Experiment Videos

  • Detailed description of the upper partial sternotomy technique, including incision length and sternal division.
  • Cardiopulmonary bypass and aortic cross-clamping procedures were performed via the same access site.

    • Main Results:

    • No operative mortality, stroke, aortic dissection, or perivalvular leaks were observed in either group.
    • One wound infection occurred in the conventional sternotomy group (group F).
    • One patient in the minimal access group (group M) required reoperation for bleeding; cannulation delays were noted, correlating with sternotomy-to-annulus distance.

    Conclusions:

    • Isolated AVR using an upper partial sternotomy provides comparable surgical quality to full sternotomy.
    • Further clinical experience is needed to fully elucidate the benefits of this minimally invasive approach.
    • Adequate exposure of the aortic valve is achievable with this technique, contingent on patient anatomy and surgeon selection.