Affiliation:
1. Department of Ultrasound Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School Nanjing University Nanjing China
Abstract
AbstractObjectiveTo investigate the relationship between the specific ultrasonic manifestations of lower limb joints and impaired kidney function in gouty arthritis.MethodsIn this cross‐sectional study, 408 patients with gouty arthritis were divided into two groups based on the status of renal function: normal group (n = 240) and renal impairment (n = 168) group. All patients underwent ultrasound examination of the bilateral knee, ankle, and first metatarsophalangeal joints to detect ultrasound features of double‐contour sign (DC) and tophus. Multiple logistic regression analysis was conducted to assess the association between kidney dysfunction and ultrasound features. A number of potential clinical confounders were adjusted in the model.ResultsUnivariable conditional logistic regression produces several significant risk factors of impaired kidney function which were the highest and current lever of serum urate acid, course of disease, frequency of attack, hyperlipidemia, hypertension, diabetes, coronary heart disease, presence of multiple tophus, and DC (P < 0.05). After correcting the course of disease and other risk factors, tophus was still an independent risk factor of impaired kidney function and the multivariable adjusted odds ratios (95% CI) was 1.789 (1.005–3.185, P = 0.05), however, the association was not significant in DC (OR = 1.098, 95% CI: 0.668–1.803, P = 0.71).ConclusionThe ultrasound feature of tophus was associated with kidney dysfunction in patients with gout, independent of clinical risk factors, which may be helpful in guiding clinical practice.
Subject
Radiology, Nuclear Medicine and imaging
Cited by
1 articles.
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