Abstract
The purpose of this study is to evaluate the role of endovascular therapy in the management of venous thoracic outlet syndrome (TOS), with an emphasis on its role after surgical decompression. This single-center retrospective review identified all patients who underwent conventional contrast-enhanced venography as a component of the imaging evaluation of clinically suspected venous TOS from January 2004 through September 2015. Eighty-one patients were identified, with a mean (± SD) age of 33 ± 12 years, of whom 59% (48/81) were women. After imaging confirmation of venous TOS, a standardized treatment protocol combining surgical and endovascular intervention was used for management. Of the 81 patients included in the study, 73 (90%) had angiographic evidence of venous TOS; 41 of these 73 patients (56%) underwent endovascular venous intervention (e.g., thrombolysis or angioplasty before surgical) decompression. A total of 67 patients (67/73; 92%) with venous TOS underwent surgical decompression, with 56 of these (56/73; 77%) undergoing postoperative venography. Of these 56 patients who underwent postoperative venography, 48 (86%) required venoplasty, four had normal-appearing subclavian veins (7%) and had no intervention, and four of 48 (8%) had chronic total venous occlusions that could not be recanalized. Only four of the 48 of the patients (8%) who underwent postdecompression venoplasty required subsequent repeat venography and intervention for management of persistent or recurrent symptoms, whereas all others (44/48; 92%) remained symptom free on clinical follow-up. No complications were identified that were related to the endovascular interventions. Combining venography and endovascular venous intervention with surgical decompression in managing patients with clinically suspected venous TOS is safe and effective. Postdecompression venoplasty appears to be highly effective, with a low rate of symptom recurrence.
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