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논문 기본 정보

자료유형
학술저널
저자정보
정재민 (부산대학교) 박창수 (부산대학교) 이상돈 (부산대학교)
저널정보
대한비뇨기과학회 Investigative and Clinical Urology Investigative and Clinical Urology Vol.56 No.7
발행연도
2015.1
수록면
533 - 539 (7page)

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Purpose: We undertook this study to evaluate the incidence, risk factors, management, and outcome of postoperative ureteral obstructionafter endoscopic treatment for vesicoureteral reflux (VUR). Materials and Methods: Ninety patients undergoing endoscopic treatment for VUR were retrospectively reviewed and classifiedinto two groups according to ureteral obstruction: the nonobstruction group (83 cases, 122 ureters, mean age, 7.0±2.8 years) andthe obstruction group (7 cases, 10 ureters, mean age, 6.2±8.1 years). We analyzed the following factors: age, sex, injection material,laterality, voiding dysfunction, constipation, renal scarring, preoperative and postoperative ultrasound findings, endoscopic findings,injection number, and injection volume. Additionally, we reviewed the clinical manifestations, natural course, management,and outcome of ureteral obstruction after endoscopic treatment. Results: The incidence of ureteral obstruction after endoscopic treatment was 7.6% (10/132 ureters). The type of bulking agentused and injection volume tended to be associated with ureteral obstruction. However, no significant risk factors for obstructionwere identified between the two groups. Three patients showed no symptoms or signs after the onset of ureteral obstruction. Mostof the patients with ureteral obstruction experienced spontaneous resolution within 1 month with conservative therapy. Two patientsrequired temporary ureteral stents to release the ureteral obstruction. Conclusions: In our experience, the incidence of ureteral obstruction was slightly higher than in previous reports. Our study identifiedno predictive risk factors for developing ureteral obstruction after endoscopic treatment. Although most of the ureteral obstructionsresolved spontaneously within 1 month, some cases required drainage to relieve symptoms or to prevent renal functiondeterioration.

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