SINGLE SHOT INTRAOPERATIVE EXCRETORY UROGRAPHY FOR THE IMMEDIATE EVALUATION OF RENAL TRAUMA

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Abstract

Purpose

We reviewed the quality and usefulness of single shot intraoperative excretory urography (IVP) for evaluating suspected upper urinary tract trauma at our trauma center.

Materials and Methods

Between 1990 and 1997 single shot intraoperative IVP for staging renal injuries was performed in 50 patients in whom clinical instability major associated injuries mandated an intraoperative study. Contrast material (2 ml./kg.) was injected intravenously and images were obtained after 10 minutes. The quality and usefulness of each study were scored by a single attending urologist on a scale of 1-worst to 5-best.

Results

Intraoperative study quality was generally good (average score 3.84). The information obtained was generally considered useful for determining urological treatment (average score 3.96). In 16 patients (32%) intraoperative IVP findings safely obviated renal exploration. No contrast medium reactions were noted and no complications developed that were attributable to intraoperative IVP.

Conclusions

Intraoperative single shot, high dose IVP is safe, efficient and of high quality in the majority of cases when performed as recommended. This study often provides important information that facilitates rapid and accurate decision-making. Intraoperative IVP is a useful tool for guiding the exploration of penetrating renal injuries and confirming blunt renal injuries that may be safely observed.

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