A Clinical Observation on 85 Cases of Hydronephrosis

Bang, Kwan Hyun; Han, Young Taik

Abstract

A Clinical observation was made on 85 cases of hydronephrosis who were admitted to the department of urology in National Police Hospital during 5 years and 4 months from Jan., 1978 to April, 1983. The following results were obtained; 1. The rate of hydronephrosis accounted for 8.6% of the total patients (981 cases) admitted to the urologic department. 2. Age distribution in this series ranged from a 4 years old male to a 69 years old male patient. The most common age group was the 3rd decade (29.4%). The male and female ratio was 2.7:1. 3. The left side was affected 1.4 times more than the right. 9 cases (10.9%) were bilateral. 4. In underlying diseases, the congenital causes were 11 cases (12.9%) and among them congenital ureteropelvic stenosis was the most Common (5 cases). The acquired causes were 74 cases (87.1%) and ureteral stone was the most common acquired cause (39 cases). 5. In the level of the obstruction, the upper tract was 76 cases (89.4%), mid & lower tract were 7 cases (8.2%) and I case was extraurinary tract disease. 6. The most common chief complaints on admission was flank pain (52 cases). 7. In laboratory findings, increased BUN over 20mg% were 8 cases (9.4%) and the increased creatinine over 2.0rag% were 4 cases (4.7%). In urinalysis, pyuria were noticed in 41 cases (48.2%) and among them urine culture were performed to 32 cases. And E. coli were isolated in 12 cases (37.5%). 8. In treatment conservative treatment was done in 18 cases(20%) and surgical treatment was performed in 67 cases (80%). Of the surgical treatment, the most common operation was the ureterolithotomy in 32 cases (37.6%) and nephrectomy was done in 14 cases (16.4%).