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  • Title: Vascular proximity: is it a valid indication for arteriography in asymptomatic patients?
    Author: Francis H, Thal ER, Weigelt JA, Redman HC.
    Journal: J Trauma; 1991 Apr; 31(4):512-4. PubMed ID: 2020037.
    Abstract:
    The role of arteriography in asymptomatic patients with penetrating extremity wounds in proximity to major vessels is controversial. This prospective study was designed to evaluate a precise definition of proximity, determine the incidence of positive arteriograms, and correlate angiographic interpretation with operative findings. Proximity was defined as any wound located within 1 cm of a major vessel. Excluded were patients with a pulse deficit, bruit, thrill, history of arterial hemorrhage, expanding hematoma, nerve deficit, fracture, or significant soft-tissue injury. One hundred sixty arteriograms were performed in 146 patients. One hundred forty-three (89.4%) were true-negatives. Seventeen (10.6%) were suggestive of injury. These included seven (4.4%) true-positive arteriograms, six (3.8%) false-positive studies, and four (2.5%) positive arteriograms in patients who were not operated upon. The angiographic report correlated with operative findings in five (38.5%) of 13 patients. These data confirm the low incidence (4.4%) of vascular injury in asymptomatic patients. The use of extremity angiography when proximity is the sole indication in an asymptomatic patient with a normal vascular examination must be questioned.
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