지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 21 - 27 (7page)
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초록· 키워드
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Purpose: In most neonatal intensive care units, echocardiography is performed at the bedside. The lack of closure of interatrial communications (IACs) in the oval fossa can affect mortality and morbidity. This study aimed to establish the rate of spontaneous closure of IACs diagnosed in the neonatal period and predict the need for subsequent evaluation according to various factors, including defect size and shape.
Methods: The study group comprised 1,242 newborns admitted between March 2017 and December 2020. We judged the closure of the IACs and evaluated the risk factors of each. Patients were classified into the absence or presence of IACs. The morphology of the IACs was classified into atrial septal defects, patent foramen ovale, and multiple holes.
Results: A total of 317 patients (131 female, 186 male) were enrolled in the study, and the average defect size was 3.0±1.0 mm. An overall spontaneous closure rate of 89.9% was observed during an average follow-up interval of 5.1±1.1 months. When multiple Cox regression analyses were performed to analyze the risk factors for spontaneous closure, initial defect size was a significant factor. The optimal cut-off value for predicting spontaneous closure of the IAC was 3.05 mm, and the area under the receiver operating characteristic curve was 0.625 (95% confidence interval, 0.520 to 0.729). Preterm infants had a larger defect size corrected for birth weight and a higher closure rate than term infants.
Conclusion: Other than large defect size, no factors delayed spontaneous closure. When defects in the oval fossa measure ≤3 mm, most patients experience spontaneous closure by 7 months of age.
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