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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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[Ventricular septation using two-patch technique for total inlet-trabecular septal defect].

Tai Fuchigami1, Yusuke Iwata, Kazuaki Ishihara

  • 1Department of Cardiovascular Surgery, Tokyo Women's Medical University, Tokyo, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 8, 2012
PubMed
Summary
This summary is machine-generated.

This study details a novel two-patch technique for ventricular septation in a child with a single left ventricle and complex septal defects. The innovative approach successfully repaired the defect, restoring normal sinus rhythm and avoiding conduction injury.

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Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease Surgery
  • Cardiac Anatomy

Background:

  • A 3-year-old girl presented with a single left ventricle and pulmonary hypertension, necessitating surgical intervention.
  • Initial management included pulmonary artery banding at 1 month of age.
  • Preoperative echocardiography revealed a complex total inlet-trabecular septal defect.

Observation:

  • Surgical repair involved ventricular septation via the right atrium.
  • The anatomy presented challenges due to extensive inlet and trabecular septal defects.
  • The atrioventricular node was noted to be shifted inferiorly, with the conduction system traversing the inlet septum.

Findings:

  • A two-patch technique was employed for septation, addressing both the trabecular and inlet defects separately.
  • One patch secured the trabecular defect with running sutures; the other addressed the inlet defect using pledgeted mattress sutures.
  • Postoperative recovery showed resumption of sinus rhythm, with transient 2:1 atrioventricular block, and successful discharge on postoperative day 30.

Implications:

  • This modified two-patch technique offers a viable solution for complex septal defects in single ventricle physiology.
  • The strategy effectively navigates anatomical challenges, potentially minimizing risk to the conduction system.
  • Successful surgical outcomes highlight the importance of tailored approaches in congenital heart defect repair.