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. 2022 Aug;50(4):423-430.
doi: 10.1007/s00240-022-01328-z. Epub 2022 May 9.

The impacts of metabolic syndrome on the risk of severe urolithiasis

Qingsong Fu  1 , Linguo Xie  1 , Chengwen Diao  1 , Xierzhati Aizezi  1 , Xiaoyu Liu  1 , Chunyu Liu  2
Affiliations

The impacts of metabolic syndrome on the risk of severe urolithiasis

Qingsong Fu et al. Urolithiasis. 2022 Aug.

Abstract

Metabolic syndrome (MetS) is significantly correlated with urolithiasis. However, few studies have evaluated the severity of urolithiasis. This study aimed to investigate the relationship of MetS with severe urolithiasis disease (SUD). The data of 910 patients with urolithiasis in the Department of Urology, Second Hospital of Tianjin Medical University from June 2020 to May 2021 were retrospectively collected. The patients were divided into two groups according to the severity of urolithiasis, and the relationships of MetS and its components with SUD were evaluated. The results showed 605 SUD and 272 Mets patients. Multiple regression analysis showed that middle age, male gender, and MetS increased the risk of SUD, whereas serum magnesium decreased it (P < 0.05). Further analysis revealed that the odds ratio (OR) of SUD increased with MetS grade (0-4) (1.029-2.117). Grade 4 patients had a 2.1-fold higher risk of SUD than grade 0 patients (OR 2.117; 95% CI 1.053-4.256; P = 0.035); hypertension and dyslipidemia were most strongly associated with SUD among the four MetS features (P < 0.05). Additionally, calcium oxalate was the most predominant stone component (78.7%) in the SUD(+) group, which also had stones with higher uric acid and lower calcium oxalate dihydrate levels than those of the SUD(-) group (P < 0.05). Our study concluded that SUD is more common in middle-aged men, MetS is an independent risk factor for SUD. The more severe the MetS, the higher the risk of SUD, in which hypertension and dyslipidemia play major roles.

Keywords: Dyslipidemia; Hypertension; Metabolic syndrome; Serum magnesium; Urolithiasis.

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