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  • Title: [Diagnosis of thoracic outlet syndrome. Value of angiography in the sitting position].
    Author: Cornelis F, Zuazo I, Bonnefoy O, Abric B, Borocco A, Strainchamps P, Tauzin C, Faure D, Minniti A, Ledoyer G, Bersani D, Lippa A.
    Journal: J Radiol; 2008 Jan; 89(1 Pt 1):47-52. PubMed ID: 18288026.
    Abstract:
    PURPOSE: Thoracic outlet syndrome includes arterial, venous or neurological symptoms. Frequently difficult to diagnose clinically, confirmatory imaging studies are usually required. The purpose of this study is to review the diagnostic work-up during management of patients with thoracic outlet syndrome and demonstrate the value of angiography in the sitting position. MATERIALS AND METHODS: Retrospective study of 81 surgical procedures for thoracic outlet syndrome, between 1997 and 2005, in 56 patients aged 17-57 years. Surgery was bilateral in 26 cases, with bilateral surgery in a single setting for 1 patient. All patients presented clinical symptoms confirmed on US, angiography, venogram or EMG. Angiography, from a transfemoral approach, was initially performed in the supine position, without and with dynamic maneuver, and in the sitting position with dynamic maneuver when needed. RESULTS: In 48 patients, supine rest angiography showed stenosis in 6% of cases and supine dynamic angiography showed stenosis in 81% of cases, with severe stenosis in only 35% of cases (stenosis>80% or arterial occlusion). Angiography in the sitting position was performed in 33 patients, showing worsening of stenosis in 91% of cases, with severe stenosis in 87%. CONCLUSION: Angiography in the sitting position with dynamic maneuver improves the sensitivity for detection of thoraci coutlet syndrome. This procedure may be considered in addition to other imaging modalities routinely used including Doppler US, CT and MRI.
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