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- Title
Clinical characteristics of surgically managed patients with asymptomatic renal stones: Comparison of patients with symptomatic renal stones.
- Authors
Dong Jin Park; Bum Soo Kim; Soon Oh Kwon; Jae-Wook Chung; Yun-Sok Ha; Seock Hwan Choi; Hyun Tae Kim; Eun Sang Yoo
- Abstract
Purpose: This study aimed to compare the characteristics of asymptomatic and symptomatic nephrolithiasis in patients who underwent surgical treatment for kidney stones. Materials and Methods: Between 2015 and 2019, 245 patients who underwent percutaneous nephrolithotomy or retrograde intrarenal surgery for kidney stones were included. The patients were divided into asymptomatic (n=124) and symptomatic (n=121) groups. All patients underwent blood and urine tests, preoperative non-contrast computed tomography, and postoperative stone composition analysis. We retrospectively analyzed and compared the characteristics of the patients and stones, operation time, stone-free rate, and postoperative complications between the two groups. Results: In the asymptomatic group, mean body mass index (BMI) was significantly higher (25.7±3.8 kg/m² vs. 24.3±2.8 kg/m², p=0.002) and urine pH was significantly lower (5.6±0.9 vs. 5.9±0.9, p=0.013). The ratio of calcium oxalate dihydrate stones was significantly higher in the symptomatic group (5.3% vs. 15.5%, p=0.023). No significant differences were observed in stone characteristics, postoperative outcomes, or complications. In the multivariate logistic regression analysis for predicting variables for asymptomatic renal stones, BMI (odds ratio [OR], 1.144; 95% confidence interval [CI], 1.038-1.260; p=0.007), and urine pH (OR, 0.608; 95% CI, 0.407-0.910; p=0.016) were independent predictive variables for asymptomatic renal stones. Conclusions: This study demonstrated that thorough medical check-ups are needed for the early detection of renal stones in individuals with a high BMI or low urine pH.
- Subjects
KIDNEY stones; ASYMPTOMATIC patients; LOGISTIC regression analysis; BODY mass index; CALCIUM oxalate; PERCUTANEOUS nephrolithotomy; NEPHROSTOMY
- Publication
Investigative & Clinical Urology, 2023, Vol 64, Issue 2, p161
- ISSN
2466-0493
- Publication type
Article
- DOI
10.4111/icu.20220271