Secondary Hyperparathyroidism, Vitamin D Sufficiency, and Serum Calcium 5 Years After Gastric Bypass and Duodenal Switch

Background The prevalence of secondary hyperparathyroidism (SHPT) is high after bariatric surgery. Vitamin D is supplied to counteract SHPT and bone disease, and we studied vitamin D associations with SHPT. Methods We measured serum levels of 25-OH vitamin D and parathyroid hormone (PTH) 5 years aft...

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Bibliographic Details
Published in:Obesity surgery 2013-03, Vol.23 (3), p.384-390
Main Authors: Hewitt, Stephen, Søvik, Torgeir T., Aasheim, Erlend T., Kristinsson, Jon, Jahnsen, Jørgen, Birketvedt, Grethe S., Bøhmer, Thomas, Eriksen, Erik F., Mala, Tom
Format: Article
Language:English
Subjects:
Adult
Calcium
Calcium - blood
Clinical Research
Cohort Studies
Cross-Sectional Studies
Duodenum - surgery
Female
Gastrointestinal surgery
Gastroplasty - methods
Hormones
Humans
Hyperparathyroidism, Secondary - blood
Hyperparathyroidism, Secondary - epidemiology
Long term
Male
Medicine
Medicine & Public Health
Middle Aged
Norway - epidemiology
Obesity
Obesity, Morbid - blood
Obesity, Morbid - epidemiology
Postoperative Complications
Postoperative Period
Prevalence
Risk Factors
Surgery
Time Factors
Treatment Outcome
Vitamin D
Vitamin D - blood
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Summary:Background The prevalence of secondary hyperparathyroidism (SHPT) is high after bariatric surgery. Vitamin D is supplied to counteract SHPT and bone disease, and we studied vitamin D associations with SHPT. Methods We measured serum levels of 25-OH vitamin D and parathyroid hormone (PTH) 5 years after gastric bypass and duodenal switch. One hundred twenty-five patients were included, of whom 114 (91 %) had undergone gastric bypass and 11 (9 %) had undergone duodenal switch. SHPT was defined as PTH > 7.0 pmol/l in the absence of hypercalcemia. 25-OH vitamin D levels were divided into three categories:
ISSN:0960-8923
1708-0428
DOI:10.1007/s11695-012-0772-3