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Transcatheter closure of atrial and ventricular septal defects in patients with dextrocardia: a clinical analysis

Published online by Cambridge University Press:  03 February 2025

Jiawang Xiao
Affiliation:
Department of Congenital Heart Disease, General Hospital of Northern Theater Command, Shenyang, China
Xianyang Zhu
Affiliation:
Department of Congenital Heart Disease, General Hospital of Northern Theater Command, Shenyang, China
Jianming Wang
Affiliation:
Department of Congenital Heart Disease, General Hospital of Northern Theater Command, Shenyang, China
Zhongchao Wang
Affiliation:
Department of Congenital Heart Disease, General Hospital of Northern Theater Command, Shenyang, China
Jingsong Geng
Affiliation:
Department of Congenital Heart Disease, General Hospital of Northern Theater Command, Shenyang, China
Qiguang Wang*
Affiliation:
Department of Congenital Heart Disease, General Hospital of Northern Theater Command, Shenyang, China
*
Corresponding author: Qiguang Wang; Email: wqg1993@126.com

Abstract

Objective:

To assess the feasibility of transcatheter closure in patients with dextrocardia and isolated atrial septal defect or ventricular septal defect.

Methods:

A retrospective analysis was performed on the clinical data of 10 patients with dextrocardia and atrial septal defect or ventricular septal defect from June 2013 to January 2023 and successfully underwent transcatheter closure. Patient data were meticulously collected.

Results:

The study cohort comprised 10 patients, with three males, aged between 3 and 38 years. Intraoperative right heart catheterisation revealed the following measurements: the mean pulmonary arterial pressure of 20.5(18,24,3) mmHg, and a pulmonary-to-systemic flow ratio of 1.80(1.58,2.15). There were five atrial septal defects, with defect diameters of 26(20,30) mm, comprising three dextroversion and two mirror-image dextrocardia. Intraoperative echocardiography confirmed the absence of any residual shunt. Among them, a patient with mirror-image dextrocardia, atrial septal defects, and interrupted inferior vena cava required an alternative approach due to femoral vein limitations. The right internal jugular vein was punctured, and a 22 mm atrial septal occluder was successfully deployed via this route. The study identified five ventricular septal defects, with defect diameters of 4(3.5,5.5) mm, including two dextroversion and three mirror-image dextrocardia. Upon post-operative repeat left ventriculography, no residual shunt was detected in all but one case, which exhibited a minimal residual shunt. Throughout the perioperative period and subsequent post-operative follow-up, no severe complications were observed.

Conclusion:

For patients with dextrocardia accompanied by simple CHD, transcatheter closure is a viable option when interventional treatment is indicated. Although transcatheter closure of atrial septal defects or ventricular septal defect in patients with dextrocardia presents unique challenges, it is safe and effective when the anatomical nuances of dextrocardia are thoroughly understood.

Type
Original Article
Copyright
© The Author(s), 2025. Published by Cambridge University Press

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