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Binder B, Lackner HK, Salmhofer W, Kroemer S, Custovic J, Hofmann-Wellenhof R. Association Between Superficial Vein Thrombosis and Deep Vein Thrombosis of the Lower Extremities. Arch Dermatol. 2009;145(7):753–757. doi:10.1001/archdermatol.2009.123
To evaluate the occurrence of deep vein thrombosis (DVT) in patients with superficial vein thrombosis (SVT).
A prospective study in patients with sonographically proven SVT.
Outpatient department of the Department of Dermatology, Medical University of Graz.
Forty-six consecutive patients with superficial vein thrombosis were enrolled.
Every patient underwent color-coded duplex sonography of both lower extremities at the beginning of the study.
Main Outcome Measures
Important risk factors (eg, history of thromboembolic events, recent immobilization, active malignant disease, and the use of oral contraceptives) were investigated.
In 24% of our patients, a concomitant, mostly asymptomatic DVT was found. In 73% of these patients, the DVT occurred in the affected leg, in 9% in the contralateral leg, and in 18% in both legs. The calf muscle veins were most commonly involved. In all patients with DVT, the SVT was located on the lower leg and the D-dimer findings were positive.
Superficial vein thrombosis is not a life-threatening disease, but the risk of concomitant DVT cannot be ignored. Color-coded duplex sonography should be performed in patients with SVT to rule out DVT.
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