Authors: Simon, R. | Shay, R. | Bergam, B. | Katz, R. | Delaney, S.
Article Type:
Research Article
Abstract:
BACKGROUND: Bowel dilation and bowel wall thickness are common prenatal ultrasound measurements for fetuses with gastroschisis. Data regarding antenatal sonographic bowel findings and postnatal outcomes are conflicting. Our objective was to evaluate the impact of in utero bowel measurements on perinatal outcomes in gastroschisis pregnancies. METHODS: Retrospective cohort study of 116 pregnancies complicated by gastroschisis between 2011 and 2020. We reviewed ultrasounds documenting fetal bowel measurements. To evaluate the association of these measurements with antepartum and delivery outcomes, we ran logistic and linear models using generalized estimating equations. RESULTS: Eleven perinatal outcomes reached statistical significance, although
…with minimal clinical impact given small magnitude of effect. Intra-abdominal bowel dilation was associated with a 0.5 week decrease in delivery gestational age (GA) (95% CI –0.07, –0.03) and a 6.93 g increase in birth weight (95% CI 1.54, 28.73). Intra-abdominal bowel wall thickness was associated with later GA of non-stress test (NST) start of 0.22 weeks (95% CI 0.07, 0.37), increased delivery GA of 0.08 weeks (95% CI 0.02, 0.15), 0.006 decrease in umbilical artery (UA) pH (95% CI –0.009, –0.003), 0.26 increase in UA base deficit (95% CI 0.09, 0.43), and decreased odds of cesarean delivery (OR = 0.83, 95% CI 0.70, 0.99). Extra-abdominal bowel wall thickness was associated with a 0.1 increase in UA base deficit (95% CI 0.02, 0.19) and a 0.05 increase in 5-min APGAR score (95% CI 0.01, 0.09). Stomach cross-section was associated with a 0.01 week decrease in delivery GA (95% CI –0.02, –0.001) and increased odds of receiving betamethasone (OR = 1.02, 95% CI 1.01, 1.04). CONCLUSIONS: In utero bowel characteristics reached statistical significance for several outcomes, but with minimal meaningful clinical differences in outcomes.
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Keywords: Bowel dilation, gastroschisis, prenatal diagnosis, stomach, ultrasound
DOI: 10.3233/NPM-230159
Citation: Journal of Neonatal-Perinatal Medicine,
vol. 16, no. 4, pp. 639-647, 2023
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