Abstract
Background
Despite a known significant association between hyperuricemia and obesity, this correlation in bariatric surgery patients remains unknown.
Objectives
To evaluate the prevalence and predictors of pre- and postoperative hyperuricemia in Chinese bariatric surgery patients.
Methods
A retrospective study was performed in 333 bariatric surgery patients from our hospital. The clinical data was collected before surgery and at 3, 6, and 12 months postoperatively. Univariable and multivariate analyses were used for investigating the independent predictors of hyperuricemia and serum uric acid (SUA) change.
Results
Altogether, 62.9% of patients fulfilled the diagnostic criteria for hyperuricemia. The prevalence of hyperuricemia among males was 81.8% and 62.3% in the women. Multiple logistic regression analyses showed that age (OR = 0.951, 95%CI:0.926–0.976, P = 0.000), high-density lipoprotein cholesterol (HDL-c) (OR = 0.217, 95%CI:0.074–0.637, P = 0.005), γ-glutamyltransferase (γ-GT) (OR = 1.016, 95%CI:1.004–1.027, P = 0.006), and creatinine (Cr) (OR = 1.042, 95%CI: 1.017–1.067, P = 0.001) were independent predictors of hyperuricemia. SUA levels significantly declined in all patients from 443.1 ± 118.2 μmol/L before surgery to 370.1 + 113.4 μmol/L at 12 months after surgery. The prevalence of hyperuricemia also declined from 69.4% before surgery to 25.5% at 12 months. Multiple linear regression analyses confirmed that changes in Cr and body mass index (BMI) were independent predictors of a decrease in SUA levels, 12 months postoperatively.
Conclusions
Hyperuricemia in Chinese bariatric surgery candidates are common, especially in males. Age, HDL-c, γ-GT and Cr were determined to be independent predictors of hyperuricemia. Bariatric surgery may effectively reduce the prevalence of hyperuricemia in this population, through postoperative weight loss and changes in creatinine following the procedure.
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Change history
21 February 2022
A Correction to this paper has been published: https://doi.org/10.1007/s11695-022-05971-8
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Acknowledgements
We thank the funding from Clinical Research Cultivation Program of The Second Affiliated Hospital of Anhui Medical University (2020LCYB0).
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Key Points
• The prevalence of hyperuricemia is very prevalent in Chinese bariatric surgery candidates, especially in males.
• Bariatric surgery may effectively reduce uric acid levels and the prevalence of hyperuricemia.
• The effect of bariatric surgery on uric acid levels is associated with postoperative weight loss and changes in creatinine.
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Qu, X., Zheng, L., Zu, B. et al. Prevalence and Clinical Predictors of Hyperuricemia in Chinese Bariatric Surgery Patients. OBES SURG 32, 1508–1515 (2022). https://doi.org/10.1007/s11695-021-05852-6
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DOI: https://doi.org/10.1007/s11695-021-05852-6