A Clinical Observation on 124 Cases of Hydronephrosis

Shin, Bog Ho; Kim, Dong Han

Abstract

A Clinical observation was made on 124 cases of hydronephrosis in the department of urology, Hanyang University Hospital during 8 years and 7 months from May, 1972 to December, 1980. The following results were obtained: 1. The rate of hydronephrosis accounted for 5.2% of the total patients (2385 cases) admitted to the Department of Urology. 2. The patients in this series ranged from a 1 month old female to a 78 years old male patient. The most common age group was the 3rd decade (26.6%). The male and female ration was 1.8:1. 3. The left side was affected 1.7 times more than the right, 12 cases were bilateral (9.7%). 4. In etiology, acquired ureteral stricture was most common (34 cases-27.4%) followed by congenital UPJ stenosis (26 cases-20.8%). In children there were 7 cases (43.6%) of congenital UPJ stenosis and the male and female ratio was 1.8:1. In acquired ureteral stricture. 25 cases (73.5%) were due to renal tuberculosis. 5. Among the symptoms on admission flank pain occurred in 53 cases (35.5%), and hematuria in 23 cases (16.6%). The duration of the symptoms in most cases was 12 months or more (33%). 6. By urinalysis pyuria was found in 71 cases (57.2%). Urine culture was performed in 65 cases and E. coli was detected in 18 cases (27.7%). B.U.N. was elevated in 17 cases (14.5%) and creatinine 8 cases (6.5%). 7. Cystoscopy was performed in 97 cases. Abnormal cystoscopic findings were seen in 45 patients (46.4%). 8. 123 operation were performed in 112 of 124 patients. Nephrectomy and ureteronephrectomy were done in 38 cases (28.3 %), urinary diversion 13 cases (9.6%) and ureteroneocystostomy 12 cases (8.9%). In 26 cases of congenital UPJ obstruction (congenital UPJ stenosis and aberrant renal vessel and fibrotic band), 4 of 11 cases (35.4%) were nephrectomized from May, 1972. to December, 1976 and 3 of 15cases (20%) were nephrectomized from January, 1977 to December, 1980.