Evidence map›Paper›PMID 41933381›Full record

ArticleJournal of cardiothoracic surgery2026

Selection of revision technique for suboptimal total cavopulmonary connection based on computational fluid dynamics: a case report.

Satoshi Matsuo, Chiharu Ota, Hideki Ota, Yoshikatsu Saiki

Abstract readCase Reports
In one paragraph

Article in Journal of cardiothoracic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Satoshi MatsuoDivision of Cardiovascular Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryomachi, Aoba-ku, Sendai, 980-8574, Japan. satoshi.matsuo.c6@tohoku.ac.jp.
Chiharu OtaDepartment of Pediatrics, Tohoku University Hospital, Sendai, Japan.
Hideki OtaDepartment of Diagnostic Radiology, Tohoku University Hospital, Sendai, Japan.
Yoshikatsu SaikiDivision of Cardiovascular Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryomachi, Aoba-ku, Sendai, 980-8574, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUnequal pulmonary blood flow in Fontan circulation is a known contributor to development of pulmonary arteriovenous fistula (PAVF). However, optimal revision strategies remain debated, especially in patients with a pedicled autologous pericardial conduit. CASE PRESENTATION: A 23-year-old woman with a history of pulmonary atresia and previous total cavopulmonary connection (TCPC) using a pedicled pericardial extracardiac lateral tunnel developed hemoptysis and cyanosis due to left-sided PAVF. Cardiac catheterization, 3-dimensional computed tomography and 4-dimensional flow magnetic resonance imaging demonstrated unequal inferior vena cava flow preferentially directed to the right pulmonary artery. Preoperative computational fluid dynamics (CFD) simulation was used to evaluate three reconstructive options to rectify the issue. A configuration created with a prosthetic vascular graft was selected for optimal flow balance with minimal energy loss and phrenic nerve preservation. The patient tolerated the procedure well, and has been in a satisfactory condition and free of hemoptysis with reduction of PAVF over a 5-year follow-up.

conclusionCFD simulation can serve as a useful adjunctive preoperative tool for comparing hemodynamic characteristics of different TCPC revision strategies, particularly in anatomically complex cases involving pedicled pericardial conduits.

Indexed as

Arteriovenous FistulaFontan ProcedurePulmonary ArteryPulmonary AtresiaPulmonary VeinsReoperationFemaleHumansHydrodynamicsTomography, X-Ray ComputedYoung AdultComputational fluid dynamicsPedicled pericardial conduitPulmonary arteriovenous fistulaTotal cavopulmonary connection

Identifiers

PMID41933381
PMCPMC13173892

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