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"The clinical observation of ureterolithotomy without closure of the ureter was done in 57 patients during the period from Sep., 1970 to Aug., 1974 in the Department of Urology. Daegu Presbyterian Medical Center. The results are as follows. 1) Incidence of ureteral stones is higher in male than in female, ratio M:F=1.6:1 and the most common age group is from 30 to 39 years with 54.3% of the total cases. 2) Locational distribution of ureteral stone; 27 cases in the upper, 5 in the middle and 25 in the lower ureter. 3) The size of ureteral stone is from 0.3 x O.4cm to 1.4x 2.2cm. The average size is 0.48x 0.80cm. 4) The druation of post-operative urine drainage was 7.4 days in the upper ureter, 4.4 days in the mid ureter and 7.6 days in the lower ureter. 5) Post-operative complications: Persistent urine leakage requiring retrograde catheterization; 1 case. Pyelonephritis : 2 cases. 6) Change of post-operative I. V. P. findings; Improved in 50 cases, not changed in 3 cases and deteriorated in 4 cases. 7) Post operative hospital stay; 10. 5 days in the upper, 8.4 days in the mid and 11.3 days in the lower ureter."
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