Superficial venous thrombosis in the upper extremity most commonly results from IV infusions or catheterization; varicose veins seem to be the main risk factor for the lower extremity, especially among women. Superficial venous thrombi rarely cause serious complications and rarely become emboli.
Typically, patients present with pain, tenderness, or an indurated cord along a palpable superficial vein. The overlying skin is usually warm and erythematous.
Migratory superficial venous thrombosis, which develops, resolves, and recurs in normal veins of the arms, legs, and torso at various times, is a possible harbinger of pancreatic cancer Pancreatic Cancer Pancreatic cancer, primarily ductal adenocarcinoma, accounts for an estimated 57,600 cases and 47,050 deaths in the US annually ( 1). Symptoms include weight loss, abdominal pain, and jaundice... read more and other adenocarcinomas (Trousseau syndrome).
Diagnosis is based on history and physical examination. Patients with superficial venous thrombosis above the knee have an increased risk of deep venous thrombosis Deep Venous Thrombosis (DVT) Deep venous thrombosis (DVT) is clotting of blood in a deep vein of an extremity (usually calf or thigh) or the pelvis. DVT is the primary cause of pulmonary embolism. DVT results from conditions... read more (DVT) and should probably have ultrasonography.
Treatment of Superficial Venous Thrombosis
Warm compresses and nonsteroidal anti-inflammatory drugs (NSAIDs)
Treatment traditionally involves warm compresses and NSAIDs.
In patients with extensive superficial venous thrombosis, anticoagulation (eg, with low molecular weight heparin, fondaparinux) is often beneficial. The optimal regimen and duration are unknown, but most experts recommend using either low molecular weight heparin (eg, enoxaparin 40 mg subcutaneously once a day or fondaparinux 2.5 mg subcutaneously once a day) and treating for about 1 month.
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