Post-bariatric pregnancy is associated with vitamin K1 deficiency, a case control study

Maternal obesity is associated with adverse outcome for pregnancy and childbirths. While bariatric surgery may improve fertility and reduce the risk of certain pregnancy-related complications such as hypertension and gestational diabetes mellitus, there is a lack of evidence on the optimal nutrition...

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Published in:BMC pregnancy and childbirth 2024-04, Vol.24 (1), p.229-229, Article 229
Main Authors: Bechensteen, Brit Torunn, Sithiravel, Cindhya, Strøm-Roum, Ellen Marie, Ruud, Heidi Kathrine, Kravdal, Gunnhild, Winther, Jacob A, Valderhaug, Tone G
Format: Article
Language:English
Subjects:
Bariatric surgery
Bariatric Surgery - adverse effects
Case-Control Studies
Child
Female
Gastric Bypass - adverse effects
Gastrointestinal surgery
Gestational age
Gestational diabetes
Heart surgery
Hemoglobin
Hospitals
Humans
Mass spectrometry
Micronutrients
Morbid obesity
Obesity
Obesity, Morbid - complications
Obesity, Morbid - surgery
Pregnancy
Pregnancy Complications - etiology
Premature birth
Regression analysis
Scientific imaging
Selenium
Vitamin deficiency
Vitamin K 1
Vitamin K1 deficiency
Vitamins
Weight control
Womens health
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Summary:Maternal obesity is associated with adverse outcome for pregnancy and childbirths. While bariatric surgery may improve fertility and reduce the risk of certain pregnancy-related complications such as hypertension and gestational diabetes mellitus, there is a lack of evidence on the optimal nutritional monitoring and supplementation strategies in pregnancy following bariatric surgery. We aimed to assess the impact of bariatric surgery on micronutrients in post-bariatric pregnancy and possible differences between gastric bypass surgery and sleeve gastrectomy. In this prospective case control study, we recruited 204 pregnant women (bariatric surgery n = 59 [gastric bypass surgery n = 26, sleeve gastrectomy n = 31, missing n = 2] and controls n = 145) from Akershus university hospital in Norway. Women with previous bariatric surgery were consecutively invited to study participation at referral to the clinic for morbid obesity and the controls were recruited from the routine ultrasound screening in gestational week 17-20. A clinical questionnaire was completed and blood samples were drawn at mean gestational week 20.4 (SD 4.5). The women with bariatric surgery had a higher pre-pregnant BMI than controls (30.8 [SD 6.0] vs. 25.2 [5.4] kg/m2, p 
ISSN:1471-2393
1471-2393
DOI:10.1186/s12884-024-06407-0