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Article type: Research Article
Authors: Narasimhan, S.L.; * | Eid, A. | Bhatia, A. | Davey, C. | Steinberger, J.
Affiliations: Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN, USA
Correspondence: [*] Address for correspondence: Shanti L. Narasimhan, MD, FASE, Pediatric Cardiology, University of Minnesota, 2450 Riverside ave, Minneapolis, MN 55454, USA. Tel.: +1 612 626 2755; Fax: +1 612 626 2467; E-mail: silv0099@umn.edu.
Abstract: BACKGROUND:The intrauterine environment is a key determinant for long-term health outcomes. Adverse fetal environments, such as maternal diabetes, obesity and placental insufficiency are strongly associated with long-term health risks in children. Little is known about differences in fetal cardiac output hemodynamics of diabetic mothers (DM) vs. non-diabetic mothers (NDM). Our study aims to investigate the left-sided, right-sided, and combined cardiac output (CCO) in fetuses of DM vs. NDM. METHODS:Retrospective data were collected in fetuses of DM (N = 532) and NDM (103) at mean gestational age 24 weeks. Examination included 2D echo and pulse wave Doppler. Wilcoxon rank sum tests and Chi-square tests were used to test for distribution difference of maternal and fetal continuous and categorical measures respectively between DM and NDM. Intraclass correlation coefficients were calculated to assess intra-observer reliability of fetal cardiac measurements. RESULTS:DM mothers had higher mean weight (89.7±22.2 kg) than NDM (76.8±19.8 kg), p < 0.0001 and higher mean BMI (33.4±7.5) than NDM (28.3±5.8), p < 0.0001. C-section delivery occurred in 66% of DM vs. 35% of NDM fetuses. Fetuses of DM mothers had significantly larger semilunar valve diameter, higher left ventricular (LV) output, higher combined cardiac output and lower right ventricle /left ventricle ratio compared to NDM. CONCLUSION:The greater CCO (adjusted for fetal weight), left sided cardiac output in the fetuses of DM, compared to NDM, represent differences in cardiac adaptation to the diabetic environment.
Keywords: Cardiac output, diabetes, fetus
DOI: 10.3233/NPM-200552
Journal: Journal of Neonatal-Perinatal Medicine, vol. 15, no. 1, pp. 69-74, 2022
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