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Updated: Jan 27, 2026

Unilateral Lung Volume Analysis Using Micro-CT for Enhanced Assessment of Pulmonary Fibrosis in Preclinical Models
Published on: June 20, 2025
Complete repair with unifocalization of the only unilateral lung
Motonori Ishidou1, Keisuke Ota2, Kazuyoshi Kanno2
1Department of Cardiovascular Surgery, Mt. Fuji Shizuoka Children's Hospital, Urushiyama 860, Aoi-ku, Shizuoka, Shizuoka, 420-8660, Japan. i5180835@yahoo.co.jp.
Abstract:
A boy with 22q11.2 deletion was diagnosed with pulmonary atresia with ventricular septal defect (PAVSD) and major aortopulmonary collateral arteries (MAPCAs). At 8 months, unifocalization of left MAPCAs and BT shunt was performed at another hospital. However, they occluded directly after surgery. An angiography revealed 2 MAPCAs supplying all segments of the right lung. Qp:Qs was 2.24. At 1 year 6 months, we performed VSD closure with unifocalization of the only right lung vascularity, using intraoperative PA flow study. We report a successful case of complete repair with unilateral lung in PAVSD and MAPCAs.
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