• S L Mee, J W McAninch, A L Robinson, P S Auerbach, and P R Carroll.
• Department of Urology, University of California School of Medicine, San Francisco.
• J. Urol. 1989 May 1; 141 (5): 1095-8.

AbstractTo develop criteria to determine which patients require radiographic assessment after blunt renal trauma, we studied prospectively 1,146 consecutive patients with either blunt (1,007) or penetrating (139) renal trauma between 1977 and 1987. Based on our preliminary results from 1977 to 1983, in which none of the 221 patients with blunt trauma and microscopic hematuria without shock had significant renal injuries, we designed a prospective study to determine if such patients could be managed safely without radiographic staging. During the last 10 years significant renal injuries were found in 44 patients (4.4 per cent) with blunt trauma and gross hematuria or microscopic hematuria associated with shock, and in 88 patients (63 per cent) with penetrating trauma. No significant injuries occurred in the 812 patients with blunt trauma and microscopic hematuria without shock, 404 of whom had complete radiographic assessment and 408 of whom did not. There were no delayed operations or significant sequelae related to the renal injury in these patients. We conclude that complete radiographic staging is mandatory in patients with penetrating trauma to the flank or abdomen and in patients with blunt trauma associated with either gross hematuria or microscopic hematuria and shock. However, patients with blunt trauma, microscopic hematuria and no shock who do not have associated major intra-abdominal injuries can be managed safely without excretory urography.

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