• Kevin M Major, Sebina Bulic, Vincent L Rowe, Kevin Patel, and Fred A Weaver.
• Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
• Vascular. 2008 Mar 1;16(2):73-9.

AbstractThe objective of this study was to investigate the risk of acute internal jugular, subclavian, and axillary deep venous thrombosis (upper torso DVT [UTDVT]) and pulmonary embolism (PE) and the role of anticoagulation in a cohort of hospitalized patients. A 2-year retrospective review of hospitalized patients who underwent upper torso vein duplex scanning was performed. Patient demographics, underlying comorbidities, indication for scanning, diagnostic tests, intensive care unit stay, length of stay, presence of a central line (current or within the last 2 weeks), malignancy (current or former), hypercoaguable condition, postoperative state, renal failure, mortality, and use of anticoagulation were recorded. Univariate and multivariate analyses were performed to investigate significant risk factors for acute UTDVT. The impact of an acute UTDVT and use of anticoagulation on hospital length of stay, survival to 30 days and 1 year, and PE rate were calculated. One hundred eighty-nine patients were scanned. Sixty-three patients (33%) were found to have an acute UTDVT. The internal jugular vein was the most common site of thrombosis. The presence of a central venous catheter was the only factor found to be a significant risk factor for an acute UTDVT (p = .03). Five patients (7.9%) with an UTDVT had a PE documented by computed tomographic angiography-pulmonary arteriography, and all had an internal jugular thrombosis (four isolated and one combined with an axillary-subclavian thrombosis). No PE was fatal. Thirty-eight (60%) patients with an acute UTDVT were treated with therapeutic anticoagulation; the remainder were observed. All patients with a PE received anticoagulation. Hospital length of stay, 30-day mortality, and 12-month survival were no different for patients with and without an UTDVT (p = .7). The use of anticoagulation had no observable effect on survival in patients with UTDVT (p = .1). An acute internal jugular, subclavian, or axillary DVT is a relatively common finding in the hospitalized patient. Patients with a central line (current or within the previous 14 days) were at greatest risk, with an internal jugular vein thrombosis being the most common source. The inconsistent use of anticoagulation therapy for UTDVT was associated with a moderate risk of PE. A survival benefit for anticoagulation could not be documented.

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