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Related Experiment Videos

[Left ventricular function after Konno procedure for congenital aortic stenosis].

M Terada1, Y Imai, H Kurosawa

  • 1Department of Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College.

[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
|February 1, 1990
PubMed
Summary

The Konno procedure for congenital aortic stenosis is safe and effective, showing no operative deaths and improved left ventricular function post-surgery. This cardiac surgery offers positive outcomes for patients with this congenital heart defect.

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Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Congenital Heart Disease

Context:

  • Congenital aortic stenosis presents significant challenges in pediatric cardiac care.
  • The Konno procedure is a complex surgical intervention for severe aortic valve stenosis.
  • Evaluating long-term outcomes and ventricular function is crucial for this patient population.

Purpose:

  • To assess the safety and efficacy of the Konno procedure in patients with congenital aortic stenosis.
  • To evaluate changes in left ventricular function (LVEF) before and after the Konno procedure.
  • To analyze the impact of the surgery on cardiac performance at rest and during exercise.

Summary:

  • Eighteen patients with congenital aortic stenosis underwent the Konno procedure between 1984 and 1988.

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  • No operative mortality was observed; one late death occurred (5.6%).
  • Postoperative left ventricular ejection fraction showed no statistically significant change but indicated a trend towards normalization from supernormal preoperative values, with improved exercise response in some cases.

    • Impact:

    • The Konno procedure demonstrates a favorable safety profile for congenital aortic stenosis.
    • Surgical intervention can lead to stabilization or improvement in left ventricular function.
    • This study supports the Konno procedure as a viable option for managing severe congenital aortic stenosis.