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[Postoperative left ventricular function in patients with transposition of the great blood vessels]

S Dinarević1, H Mesihović, R Terzić

  • 1Pedijatrijska klinika, Odjeljenje Kardioreumatologije, Univerziteta u Sarajevu.

Medicinski Arhiv
|June 29, 2000
PubMed

Insights

Patients with Transposition of the Great Arteries (TGA) undergoing arterial switch surgery showed faster left ventricle (LV) function recovery compared to those receiving palliative-partial correction. This study evaluated LV function in pediatric TGA patients post-surgery.

Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease Surgery
  • Echocardiography

Background:

  • Transposition of the Great Arteries (TGA) is a critical congenital heart defect.
  • Surgical correction aims to restore normal blood flow and improve ventricular function.
  • Evaluating left ventricle (LV) function post-correction is crucial for long-term outcomes.

Purpose of the Study:

  • To assess and compare left ventricle (LV) function pre- and post-operatively in pediatric patients with Transposition of the Great Arteries (TGA).
  • To evaluate the recovery of LV function following different surgical approaches: anatomical correction (arterial switch) versus palliative-partial correction.

Main Methods:

  • Retrospective analysis of 8 pediatric patients diagnosed with TGA between 1996 and 1998.
  • Patients were divided into two groups: Group I (simple TGA, arterial switch) and Group II (complex TGA with associated defects, palliative-partial correction).
  • M-mode echocardiography was used to measure LV internal dimensions and wall thickness; electrocardiographic monitoring assessed rhythm disorders.

Main Results:

  • One patient (12.5%) died post-arterial switch surgery.
  • No significant rhythm disorders were detected via electrocardiography.
  • Left ventricle (LV) function, measured by echocardiography, returned to normal values significantly faster (p = 0.02) in patients who underwent anatomical correction (arterial switch) compared to those who had palliative-partial correction.

Conclusions:

  • Arterial switch surgery for TGA leads to a more rapid recovery of left ventricle (LV) function compared to palliative-partial correction strategies.
  • Echocardiographic assessment is effective in monitoring LV functional recovery post-TGA surgery.
  • The study highlights the benefits of anatomical correction for improving LV function in pediatric TGA patients.
Abstract

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