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The relationship between uric acid urolithiasis and dyslipidemia / 中华泌尿外科杂志
Chinese Journal of Urology ; (12): 303-308, 2020.
Article in Chinese | WPRIM | ID: wpr-869640
ABSTRACT

Objective:

To evaluate the relationship between dyslipidemia and uric acid urolithiasis, and explore the risk factors of uric acid urolithiasis.

Methods:

93 patients with uric acid urolithiasis identified by stone composition analysis were retrospective analyzed from January 2014 to October 2019 were classified as uric acid urolithiasis group.Among them there were 77 men accounting for 82.8%, 16 women accounting for 17.2%, the median age is 64 years old.According to sex, age and other conditions, 321 patients with calcium oxalate urolithiasis in the same period were selected as calcium oxalate stone group. Among them there were 264 men accounting for 82.2%, 57 women accounting for 17.8%, the average age is 64 years old.While 306 non-stone people examined in hospital as control group in the same period who matched with age and gender. Among them there were 252 men accounting for 82.4%, 54 women accounting for 17.6%, the average age is 61 years old. There was no significant difference in age and sex ratio among the three groups. The body mass index (BMI) of uric acid urolithiasis group, calcium oxalate urolithiasis group and control group were significantly different( P<0.01). Serum uric acid, urine pH and blood lipids triglyceride (TG), cholesterol (TC), high density lipoprotein (HDL-C) and low density lipoprotein (LDL-C) were recorded in the three groups, and the correlation between the above indexes and stone composition was analyzed.The uric acid urolithiasis group was divided into hyperuricemia(HUA) group (n=41) and Non HUA group (n=52) according to serum uric acid, and 66 cases with HUA were selected in the control group. The dyslipidemia and urine pH levels of the above three groups were compared. The multivariate Logistic regression analysis was used to identify the independent risk factors associated with uric acid urolithiasis formation.

Results:

There were significant differences in TG level, incidence of hypertrigly-ceridemia, low HDL-cholesterolemia, high LDL-cholesterolemia, serum uric acid and urine pH between uric acid urolithiasis group and calcium oxalate urolithiasis group( P<0.05). Significant differences were seen in TG level, HDL-C level, incidence of hypertriglyceridemia and low HDL-cholesterolemia, serum uric acid and urine pH between uric acid urolithiasis group and control group.There was significant difference in urine pH between uric acid urolithiasis with and Non HUA group. Significant difference in the incidence of hypertriglyceridemia and low HDL-cholesterolemia were seen between uric acid urolithiasis with HUA group and HUA group.Multivariate Logistic regression analysis showed that obesity(odds ratio=1.68, P<0.001), hypertriglyceridemia(odds ratio=7.37, P=0.002), low HDL-cholesterolemia(odds ratio=10.46, P=0.001) and low urinary pH(odds ratio=0.10, P<0.001) were independent risk factors for uric acid urolithiasis.

Conclusions:

Dyslipidemia was more likely associated with uric acid urolithiasis. Obesity, hypertriglyceridemia, low HDL-cholesterolemia and low urinary pH are closely related to the occurrence of uric acid urolithiasis.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Urology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Urology Year: 2020 Type: Article