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  • Title: Accuracy of clinical examination in the evaluation of femoral false aneurysm and arteriovenous fistula.
    Author: Kent KC, McArdle CR, Kennedy B, Baim DS, Anninos E, Skillman JJ.
    Journal: Cardiovasc Surg; 1993 Oct; 1(5):504-7. PubMed ID: 8076086.
    Abstract:
    A prospective study was undertaken to define the comparative value of physical examination versus duplex scanning in the detection of femoral false aneurysm and arteriovenous fistula after percutaneous femoral artery puncture. Fifty-three patients were referred to the vascular surgery service after femoral artery catheterization for evaluation of a groin hematoma or a new femoral bruit. All patients were evaluated initially by a vascular surgeon and then by duplex scan. The results of these evaluations were compared with the findings at operation. Physical examination was 100% sensitive and 100% specific in the diagnosis of arteriovenous fistula, whereas duplex scan achieved a sensitivity of only 58% and a specificity of 100%. Physical examination was 92% sensitive and 93% specific in the detection of femoral false aneurysm compared with a sensitivity of 83% and a specificity of 100% for duplex scanning. Physical examination is the best method for detecting and following patients with arteriovenous fistula. False aneurysms can be detected reliably by physical examination, although evaluation with a duplex scan is necessary to identify the precise size and anatomy of these lesions.
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