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  • Title: [Diagnosis and treatment of neonatal hydronephrosis. Influence of prenatal diagnosis].
    Author: Armadá Maresca M, Rivilla Parra F, Viña Simón E, García Casillas J.
    Journal: An Esp Pediatr; 1997 May; 46(5):483-6. PubMed ID: 9297403.
    Abstract:
    OBJECTIVES: The objective was to study hydronephrosis, the most common renal malformation during the neonatal period. PATIENTS AND METHODS: We have studied 85 patients (119 renal units) with hydronephrosis. Prenatal and neonatal diagnosis were performed in 83% and 17%, respectively. Diagnosis was made by ultrasound, intravenous urography, voiding cystourethography and diuretic renogram. RESULTS: The malformations were as follows: Ureteropelvic junction obstruction (UPJ; 40 cases), obstructive megaureter (OM; 16 cases), non-obstructive megaureter (NOM; 9 cases), multicystic kidney (MK; 8 cases), renoureteral duplication (RD; 8 cases) and posterior urethral valves (PUV; 4 cases). Surgical treatment was undergone in 39 cases (14 with UPJ, 10 with OM, 4 with NOM, 4 with MK, 3 with RD and 4 with PUV). Thirty-seven of these cases had prenatal diagnoses. CONCLUSIONS: Conservative therapy was followed in 46 patients (26 with UPJ, 6 with OM, 5 with NOM, 4 with MK and 5 with RD). Thirty of these were prenatally diagnosed. Postnatal mean follow-up was 36 months, using diagnostic methods described previously. Seven cases died (1 from sepsis and 6 others from associated malformations) and 78 patients have good evolution after surgical and conservative treatments.
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