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A clinical observation was made on patients of renal injury at the Department of Urology, Presbyterian Medical Center, Daegu, Korea during the period from September 1970 through December 1978. The results were as follows: 1. Most favorable age was from 10 to 39 years(74%), sex ratio, male to female, was 4.4:1, and increasing trend of renal injury was observed. 2. The most common causes of renal injury were falling accident, kick and blow, traffic accident, and stab injury in order. 3. Renal injury was classified as minor injury(30%), major injury(52%) and shattered kidney with or without pedicle injury(18%). 4. Associated injuries were present in 9 patients. 5. Abnormal findings on D.I.P. were presented in 72% of renal injuries. 6. All minor injuries were treated conservatively, all shattered kidney or pedicle injuries operatively, and all major injuries were managed conservatively, except 30% of major injury in which nephrectomy was performed following failure of conservative treatment. 7. Complication was noted in 28% of conservative treatment and in 29% of operative treatment. 8. Patients manged by emergency surgical treatment had average 8.9 days hospital stay, conservative treatment 9.2 days and those by nephrectomy following failure of conservative treatment had average 24.1 days.
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