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Journal of the Korean Society of Pediatric Nephrology 1998;2(1): 60-68.
산전 수신증의 생후 추적 관찰
윤호영, 김지홍, 이재승, 김병길, 김명준
1연세대학교 의과대학 소아과학교실
2연세대학교 의과대학 소아과학교실
3연세대학교 의과대학 소아과학교실
4연세대학교 의과대학 소아과학교실
5연세대학교 의과대학 진단방사선과학교실
The Neonatal Follow up and Correlative Analysis of Fetal Hydronephrosis
Ho-Young Yoon, Ji-Hong Kim, Jae-Seung Lee, Pyung-Kil Kim, Myung-Joon Kim
1Department of Pediatrics, Yonsei University, College of Medicine
2Department of Pediatrics, Yonsei University, College of Medicine
3Department of Pediatrics, Yonsei University, College of Medicine
4Department of Pediatrics, Yonsei University, College of Medicine
5Department of Padiology, Yonsei University, College of Medicine
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Purpose: To determine the various prenatal factors related to the prenatal hydronephrosis diagnosed on prenatal ultrasonography. We also attempted to correlate the prenatal and neonatal renal pelvic anteroposterior diameter with the outcome in infancy
Methods: Between 1985 and 1997. We retrospectively reviewed 105 renal unit (75 patient) with fetal hydronphrosis persisting postnatally. Investigation consisted of renal ultrasonography, voiding cystourethrography, diurectic renogram, and DMSA scan.
Results : The 75 patient assesed had the following underlying cause: UPJ(Ureteropelvic juction) obstruction(52%). multicystic dysplastic kidney(10%). UVJ (Ureterovesicai juction) obstruction (10%) and no underlying cause (25%). Of theses cases 36 cases (40 renal unit) underwent operation, while 28 cases (50 renal unit) resoled spontaneously. 12% of mild hydornephrosis deteriorated. whereas 50% of modrate hydrophrosis and 81% of severe hydronephrosis required surgical correction. Attempting to find the renal unit that were at risk for deterioration. our study showed that urinary tract infection group and calyceal blunting group had a predictive role.
Conclusion : It is necessary to follow up after birth dilatation of caylx or urinary tract infection are present. Early operation is considered when prenatal pelvic AP diameter greater is than 22 mm and postnatal diameter greater than 17 mm. This may make it possible to prevent further progression of renal damage and prompt treatment of asymptomatic hydronephrosis before complications occur.
Key words: Neonatal hydronephrosis | Prenatal ultrasonography | Predictive factor
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Evaluation and Management of Antenatal Hydronephrosis  2015 April;19(1)
Causes and Clinical Outcomes of Congenital Hydronephrosis  2005 April;9(1)
The Role of Initial Relative Renal Function in Unilateral Hydronephrosis  1999 October;3(2)
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