European Journal of Pediatrics

, 169:191 | Cite as

Maternal bariatric surgery: adverse outcomes in neonates

  • A. Eerdekens
  • A. Debeer
  • G. Van Hoey
  • C. De Borger
  • V. Sachar
  • I. Guelinckx
  • R. Devlieger
  • M. Hanssens
  • C. Vanhole
Original Paper



The obesity epidemic in developed countries has led to an increased prevalence of obese women of reproductive age. As maternal obesity has far-reaching consequences for both mother and child, the consensus is that weight loss before pregnancy will reduce obesity-related morbidity and mortality. Therefore, an increasing number of women become pregnant after undergoing obesity surgery.

Results and discussion

From the literature, data shows that perinatal outcome after bariatric surgery is generally considered as favourable for both mother and child. Only a few case reports highlight the possibility of side effects on the foetus and neonate. We report on five cases with severe intracranial bleeding, all possibly related to vitamin K deficiency following maternal bariatric surgery.


These reports indicate that careful nutritional follow-up during pregnancy after obesity surgery is mandatory, because nutritional deficiencies such as vitamin K deficiency can lead to life-threatening bleeding.


Bariatric surgery Neonatal intracranial bleeding Obesity Vitamin K 


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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • A. Eerdekens
    • 1
  • A. Debeer
    • 1
  • G. Van Hoey
    • 2
  • C. De Borger
    • 2
  • V. Sachar
    • 3
  • I. Guelinckx
    • 4
  • R. Devlieger
    • 1
    • 5
  • M. Hanssens
    • 1
    • 5
  • C. Vanhole
    • 1
  1. 1.Department of Neonatology, Division of Mother and ChildUniversity Hospitals LeuvenLeuvenBelgium
  2. 2.Department of PediatricsAZ Jan PortaalVilvoordeBelgium
  3. 3.Department of Obstetrics and GynecologyUniversity of Chicago HospitalsChicagoUSA
  4. 4.Department of Nutrition–Preventive Medicine, LfoRCe (Leuven Food Science and Nutrition Research Centre)LeuvenBelgium
  5. 5.Department of Obstetrics and Gynaecology, Division of Mother and ChildUniversity Hospitals LeuvenLeuvenBelgium

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