Obesity Surgery

, 18:1000

The Increase in Serum Visfatin After Bariatric Surgery in Morbidly Obese Women is Modulated by Weight Loss, Waist Circumference, and Presence or Absence of Diabetes Before Surgery

Authors

  • José I. Botella-Carretero
    • Department of EndocrinologyHospital Universitario Ramón y Cajal & Universidad de Alcalá
  • Manuel Luque-Ramírez
    • Department of EndocrinologyHospital Universitario Ramón y Cajal & Universidad de Alcalá
  • Francisco Álvarez-Blasco
    • Department of EndocrinologyHospital Universitario Ramón y Cajal & Universidad de Alcalá
  • Roberto Peromingo
    • Department of General SurgeryHospital Ramón y Cajal & Universidad de Alcalá
  • José L. San Millán
    • Department of Molecular GeneticsHospital Ramón y Cajal & Universidad de Alcalá
    • Department of EndocrinologyHospital Universitario Ramón y Cajal & Universidad de Alcalá
Research Article

DOI: 10.1007/s11695-007-9369-7

Cite this article as:
Botella-Carretero, J.I., Luque-Ramírez, M., Álvarez-Blasco, F. et al. OBES SURG (2008) 18: 1000. doi:10.1007/s11695-007-9369-7

Abstract

Background

Previous studies addressing the changes in serum visfatin levels after bariatric surgery yielded conflicting results.

Methods

We measured serum visfatin levels in 41 morbidly obese women before bariatric surgery and after losing at least 15% of the initial weight, and analyzed the results taking into account the type of surgery, reproductive and diabetic status, among others. Body mass index, waist circumference, lipid profile, and insulin resistance determined by homeostasis model assessment (HOMA-IR) were also measured.

Results

Patients lost 30.3 ± 6.1% of the initial body weight, and serum visfatin levels increased from 22.2 ± 20.9 to 32.2 ± 27.6 ng/ml (P = 0.031). A multiple regression model (R2 = 0.314, F = 3.555, P = 0.017) including the percentage of weight loss, changes in waist circumference, HOMA-IR, high-density lipoprotein-cholesterol, and triglycerides (also expressed as percentage from baseline), the surgical procedure, time elapsed since surgery, and previous diabetic status as independent variables showed that weight loss (β = −0.670, P = 0.010), previous diabetic status (β = −0.330, P = 0.036), and change in waist circumference (β = 0.556, P = 0.031) were the main determinants of the percentual increase in serum visfatin levels observed after bariatric surgery.

Conclusion

Serum visfatin increased after bariatric surgery in relation to the amount of weight lost and to the changes in waist circumference, and this increase was higher in diabetic patients.

Keywords

VisfatinBariatric surgeryMorbid obesityDiabetes mellitusWeight lossPolycystic ovary syndromeInsulin resistance

Copyright information

© Springer Science + Business Media B.V. 2008