Relation of uric acid with components of metabolic syndrome before and after Roux-en-Y gastric bypass in morbidly obese subjects
OBJECTIVE: The purpose of the study was to investigate the prevalence of hyperuricemia in morbidly obese subjects before and after Roux-en-Y gastric bypass (RYGBP) and its relationship with metabolic syndrome abnormalities. SUBJECTS AND METHOD: We evaluated 420 morbidly obese patients. Pre and postoperative (8 months after RYGBP) blood samples were drawn. Obese patients underwent laparoscopic RYGBP and after eight months all the tests were repeated. RESULTS: The overall prevalence of hyperuricemia was 34.28%. Hyperuricemia was more common in men than in women (51.72 vs. 29.72%; p = 0.0002). Men with hyperuricemia were more likely to have diabetes (p = 0.034) and more elevated fasting plasma glucose levels (p = 0.027). Women with hyperuricemia were more likely to have hypertension (p = 0.003), metabolic syndrome (p = 0.001), elevated triglycerides (p = 0.001) and GGT (p = 0.009), and decreased HDL (p = 0.011). After surgery, uric acid levels decreased from 5.60 ± 1.28 to 4.23 ± 1.20 (p < 0.0001). The prevalence of hyperuricemia decreased from 33.6% to 6.4% (p < 0.0001), in men from 48.3% to 17.2% (p < 0.0001) and in women from 29.7% to 3.6% (p < 0.0001). CONCLUSION: Concentrations of uric acid were associated with the prevalence of metabolic abnormalities in this sample of morbidly obese patients. Also, weight loss after RYGBP can reduce uric acid levels and the prevalence of hyperuricemia.
Main Authors: | Serpa Neto,Ary, Rossi,Felipe Martin Bianco, Valle,Leonardo Guedes Moreira, Teixeira,Gabriel Kushiyama, Rossi,Marçal |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Endocrinologia e Metabologia
2011
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-27302011000100005 |
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