• Yu-Hao Xue, I-Ching Huang, Sheng-Hui Tuan, Cheng-Chang Cheng, Hsuan Cheng, Yen-Sen Lu, Chia-Chun Chou, Yung-Liang Chang, and Ko-Long Lin.
• Department of Physical Medicine and Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, ROC.
• J Chin Med Assoc. 2024 Jun 1; 87 (6): 653658653-658.

BackgroundMost existing studies measure atrial septal defect (ASD) outcomes based on morbidity rates such as atrial arrhythmias and heart failure rather than the functional assessment of physical capacity postprocedure. Few studies have evaluated cardiopulmonary function in ASD children. This study represents the largest sample population in the current research, encompassing a total of 122 Taiwanese children with ASD who had undergone treatment, to evaluate cardiopulmonary functional capacity through the implementation of cardiopulmonary exercise testing (CPET), and to investigate whether variations in treatment may impact their cardiopulmonary function.MethodsThis is a retrospective cohort study with the data collected from January 2010 to December 2021. All patients and controls (age-, sex-, and body mass index-matched) underwent CPET and pulmonary function testing.ResultsIn total, 122 ASD patients (surgically closed ASDs 27, transcatheter-closed ASDs 48, and follow-up unrepaired ASD 47) and 244 healthy controls were recruited. The ASD group exhibited lower peak metabolic equivalent (MET), peak oxygen consumption (VO 2 , p < 0.001), and peak minute ventilation ( p = 0.028) along with MET and VO 2 at the anaerobic threshold (AT) ( p = 0.012) compared to the control group. No statistically significant differences were observed in the pulmonary function test. Among surgically closed, transcatheter closed and unrepaired ASD subgroups, no significant variances were seen in CPET and pulmonary function tests.ConclusionTaiwanese ASD children exhibited diminished exercise capacity and cardiopulmonary performance compared to their healthy counterparts. Differences among specific ASD treatments in cardiopulmonary tests were non-significant.Copyright © 2024, the Chinese Medical Association.

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