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신우요관이행부폐색 소아에서 신우성형술 후 추적 초음파검사의 적절한 간격

Other Titles
 Appropriate Follow-up Ultrasonography Interval after Pyeloplasty in Children with Ureteropelvic Junction Obstruction 
 박성진  ;  김용수  ;  이혜영  ;  한상원 
 KOREAN JOURNAL OF UROLOGY, Vol.49(11) : 1018-1023, 2008 
Journal Title
Issue Date
Ureteral obstruction ; Hydronephrosis ; Ultrasonography
PURPOSE: Serial ultrasonography(US) is routinely performed after pyeloplasty in the setting of pediatric ureteropelvic junction obstruction(UPJO). We evaluated the adequacy of the follow-up US interval we are currently using, which calls for US at 1, 3, 6, 9, and 12 months following surgery. MATERIALS AND METHODS: Between January 2002 and August 2005, 102 patients underwent dismembered pyeloplasty for unilateral UPJO. Within this group, we selected 95 patients with high grade hydronephrosis to participate in this study. The degree of hydronephrosis was graded according to the classification issued by the Society for Fetal Urology(SFU). Improvement was defined as at least one grade of reduction. Serial sonograms were performed at 1, 3, 6, 9, and 12 months postoperatively. RESULTS: On follow-up US, 33.7%, 69.5%, 77.9%, 80.0%, and 83.2% of the patients showed improvement in their hydronephrosis at 1, 3, 6, 9, and 12 months, respectively. One patient presented with aggravation at 1 month. However, at 3 months, this patient had returned to the preoperative grade. There was no significant difference between the mean hydronephrosis grades at 6 and 12 months. No patient showed hydronephrosis aggravation at the 12-month follow-up examination. CONCLUSIONS: US at 1, 3, and 6 months revealed significant improvements in hydronephrosis. However, no significant change in hydronephrosis occurred beyond 6 months. Therefore, US performed between 6 and 12 months after pyeloplasty may be inefficient, and we propose follow-up US at the following time points: 1 month, 3 to 6 months, 12 months, and then annually
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Hye Young(이혜영)
Han, Sang Won(한상원) ORCID logo https://orcid.org/0000-0003-0941-1300
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