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Vitamin D Status 10...
Vitamin D Status 10 Years After Primary Gastric Bypass : Gravely High Prevalence of Hypovitaminosis D and Raised PTH Levels
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- Karefylakis, Christos, 1982- (författare)
- Dept Endocrinol, Div Internal Med, Örebro Univ Hosp, Örebro, Sweden
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- Näslund, Ingmar (författare)
- Region Örebro län,Div Surg, Örebro University Hospital, Örebro, Sweden
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- Edholm, David (författare)
- Uppsala universitet,Gastrointestinalkirurgi
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- Sundbom, Magnus (författare)
- Uppsala universitet,Gastrointestinalkirurgi
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- Karlsson, F Anders (författare)
- Uppsala universitet,Klinisk diabetologi och metabolism
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- Rask, Eva, 1958- (författare)
- Ctr Hlth Care Sci, Örebro University Hospital, Örebro, Sweden
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(creator_code:org_t)
- 2013-10-28
- 2014
- Engelska.
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Ingår i: Obesity Surgery. - : Springer Science and Business Media LLC. - 0960-8923 .- 1708-0428. ; 24:3, s. 343-348
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The primary aim of this study was to evaluate the prevalence of vitamin D deficiency and secondary hyperparathyroidism after Roux-en-Y gastric bypass. Secondly, we have tried to assess predictors for vitamin D deficiency. Five hundred thirty-seven patients who underwent primary Roux-en-Y gastric bypass surgery between 1993 and 2003 at the A-rebro University Hospital and Uppsala University Hospital were eligible for the study. Patients were asked to provide a blood sample between November 2009 and June 2010 and to complete a questionnaire about their postoperative health status. Serum values of 25-OH vitamin D, parathyroid hormone (PTH), alkaline phosphatase (ALP) and calcium were determined. Follow-up was completed in 293 patients, of which 83 % were female, with an age of 49 +/- 9.9 years after a median time of 11 +/- 2.8 years. Vitamin D, PTH and albumin-corrected calcium values were 42 +/- 20.4 nmol/L, 89.1 +/- 52.7 ng/L and 2.3 +/- 0.1 mmol/L, respectively. Of all patients, 65 % were vitamin D deficient, i.e. 25-OH vitamin D < 50 nmol/L, and 69 % had PTH above the upper normal reference range, i.e. > 73 ng/L. Vitamin D was inversely correlated with PTH levels (p < 0.001) and positively correlated with calcium (p = 0.016). Vitamin D did not correlate with ALP. The only factor found to predict vitamin D deficiency was high preoperative body mass index (BMI) (p = 0.008), whereas gender, age, time after surgery and BMI at follow-up did not. Vitamin D deficiency and secondary hyperparathyroidism after Roux-en-Y gastric bypass (RYGB) were confirmed in our study because 65 % of patients had vitamin D deficiency, and 69 % had increased PTH levels more than 10 years after surgery. These data are alarming and highlight the need for improved long-term follow-up. Vitamin D deficiency does not seem to progress with time after surgery, possibly due to weight loss. Only preoperative BMI, cutoff point 43 kg/m(2), was a predictor of vitamin D deficiency at follow-up. Improved long-term follow-up of patients that undergo RYGB is needed.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Nyckelord
- Vitamin D
- Gastric bypass
- Hyperparathyroidism
- Long-term follow-up
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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