ESPE Abstracts (2022) 95 P1-284

ESPE2022 Poster Category 1 Fat, Metabolism and Obesity (73 abstracts)

Impact of bariatric surgery on newborn growth parameters.

Rayen Aoun & Georges Nicolas

Holy Spirit University of Kaslik, Kaslik, Lebanon

Background: Maternal obesity is known to have many detrimental effects on pregnancy. Bariatric surgery represents the most efficient therapy for severe obesity. Although it is known to positively impact many pregnancy outcomes, bariatric surgery can disturb fetal growth due to nutritional deficiencies.

Objective: We aim to examine the repercussions of bariatric techniques on fetal growth, and to evaluate the risk of delivering a small for gestational age newborn while taking into consideration the type of bariatric surgery performed.

Methods: This is a single center retrospective study. Data were collected from the medical archive of Notre Dame Des Secours University Hospital-Jbeil, Lebanon between January 2013 and September 2021. In an effort to examine the effects of bariatric procedures on offspring growth, a study group(n=36) containing pregnant women who underwent bariatric surgeries, is compared with a control group of women who did not a bariatric procedure (n=98). Then the study group is divided into purely restrictive bariatric procedures and mixed procedures.

Results: Pregnancy after bariatric surgery was associated with a reduction in mean birthweight (2885.97 g vs 3244.69 g; P<0.001); mean birthlength(48.13 cm vs 48.93 cm; P=0.019), head circumference(33.91 cm vs 34.59 cm; P=0.017)and risk of large for gestational age(0% vs 7.1%;P<0.001). However it was linked with an increased risk of small for gestational age infants (13.9% vs 0% ; P<0.001). When comparing bariatric surgery types, a higher mean birthlength was linked with purely restrictive surgeries compared with gastric bypass procedures with this association tending to significance (47.39 ± 2.03 cm vs 48.43 ± 1.30 cm; P=0.052).

Conclusion: Bariatric surgery was associated with an increased risk of small for gestational age. Women of childbearing age should do a nutritional follow-up after bariatric surgery and decide carefully whether benefits outweigh adverse outcomes.

Keywords: Bariatric surgery, Pregnancy, Maternal obesity, Small for gestational age, Fetal growth, Nutritional deficiencies.

Volume 95

60th Annual ESPE (ESPE 2022)

Rome, Italy
15 Sep 2022 - 17 Sep 2022

European Society for Paediatric Endocrinology 

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