Original Research

Short-term results of sutureless closure for primary total anomalous pulmonary venous connection: seventeen cases

Abstract

Introduction: Total anomalous pulmonary venous connection (TAPVC) is a rare condition. Mortality of TAPVC has improved dramatically in the present. Sutureless closure had initially used for congenital pulmonary venous stenosis (PVS) or post-repair PVS. Recently, it had been adopted for primary TAPVC to prevent postoperative pulmonary venous obstruction, a leading cause of death. This technique had gradually applied at our institute for primary TAPVC since 2018.

Methods: Prospective case series was conducted from mid-2019. Including criteria consists of patients with primary TAPVC. These are all supracardiac, infracardiac, mixed type and intracardiac TAPVC with pulmonary venous stenosis. Excluding measures are TAPVC with single ventricle, isomerism or heterotaxy. End-point outcomes were mortality and short-term PVS.

Results: Seventeen TAPVC cases were enrolled in this study from 06/2019-12/2020 at Children's Hospital 1. Male/female ratio was 12/5. Median age at admission was 44 (3-1010) days old. The median operative weight was 3.9 kg (2.4-11). Of those, fourteen (82.4%) cases were supracardiac TAPVC and 3 (17.6%) cases were infracardiac TAPVC. Nine (52.9%) cases were emergency operations. Median aortic clamp time was 66 (32-138) mins. Median bypass time was 112 (86-212) mins. There were 9 (52.9%) cases with arrhythmias, 2 (11.8%) cases with chylothorax. Mean ventilation time was 3.6±0.5 days; mean CICU time was 6.5 (1-20), median LOS was 14.5 (8-39). In-hospital mortality was 5.9% (1). Mean follow-up time was 12.3±6.4 months (range 4-24), there was no PVS with median pulmonary venous score of 0 (range 0-1).

Conclusions: Sutureless technique could be a safe option for primary TAPVC repair.

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