Multimodal Treatments of Cystine Stones: An Observational, Retrospective Single-Center Analysis of 14 Cases
심명선, 박형근,
소속 상세정보
심명선 ( Shim Myung-Sun )
University of Ulsan College of Medicine Asan Medical Center Department of Urology
박형근 ( Park Hyung-Keun )
University of Ulsan College of Medicine Asan Medical Center Department of Urology
KMID : 0358320140550080515
Abstract
Purpose: To document the experiences of a single institution in evaluating the clinical courses and treatment outcomes of patients with cystine stones.
Materials and Methods: The clinical data of 14 patients with cystine stones who were treated at our institution from March 1994 to July 2012 were reviewed. These data included age at first visit, gender, family history, body mass index, presence of a single kidney, stone locations, stone burden, routine urinalysis, and culture. In addition, we also analyzed data on surgery, shock wave lithotripsy, medical treatment, stone recurrence or regrowth, and overall treatment success rates.
Results: The mean age of our patients at their first visit was 19.6±5.0 years, and eight patients were males. The median stone burden and mean urine pH before each surgery were 6.5 cm2 and 6.5±0.9, respectively. Two patients had a family history of cystine stones. Patients underwent surgery an average of 2.7 times. The median interval between surgeries was 27.3 months, and 1 open surgery, 12 percutaneous nephrolithotomies, and 25 ureterorenoscopies were performed. Potassium citrate or sodium bicarbonate was used in nine cases. D-Penicillamine was continuously used in three patients. Patients had an average incidence of 3.2 recurrences or regrowth of stones during the median follow-up period of 60.5 months.
Conclusions: Patients with cystine stones have high recurrence or regrowth rates and relatively large stone burdens. Adequate treatment schedules must therefore be established in these cases to prevent possible deterioration of renal function.
키워드
Calculi;Cystinuria;Nephrolithiasis;Urolithiasis
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