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Concomitant surgery for double-chambered right ventricle and coronary stenosis

Ryosuke Kowatari1, Kazuyuki Daitoku1, Shiho Yamazaki1

  • 1Department of Thoracic and Cardiovascular Surgery, Hirosaki University School of Medicine, Hirosaki, Aomori, Japan.

Journal of Cardiac Surgery
|January 7, 2022
PubMed

Insights

This case report details the successful surgical treatment of a 60-year-old man with a rare combination of double-chambered right ventricle and three-vessel coronary artery disease. The patient underwent simultaneous repair of the ventricle defect and coronary artery bypass grafting.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Congenital Heart Disease

Background:

  • Double-chambered right ventricle (DRCV) is a rare congenital heart defect.
  • Coronary artery disease (CAD) in patients with DRCV is infrequently documented.
  • Limited clinical data exists for managing combined DRCV and CAD.

Observation:

  • A 60-year-old male presented with coexisting DRCV and three-vessel CAD.
  • The patient underwent a complex concomitant surgical procedure.
  • Severe cardiac hypertrophy presented surgical challenges.

Findings:

  • Successful simultaneous repair of DRCV and coronary artery bypass grafting (CABG) was performed.
  • Cardiac arrest facilitated optimal surgical visualization of the hypertrophied heart.
  • Postoperative CT confirmed a viable sequential graft pathway (clockwise: aorta-right coronary artery-left circumflex artery).

Implications:

  • This case highlights the feasibility of combined surgical repair for rare DRCV and CAD.
  • Careful preoperative planning is crucial for managing complex anatomical variations.
  • The identified graft pathway offers guidance for similar challenging cases.
Abstract

Keywords:
aortic valvecoronary angiographycoronary artery bypasscoronary artery diseaseinduced heart arrestsurgical anastomosisventricular heart septal defects

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