The dorsal metacarpal veins drain the dorsal finger skin and metacarpal region, joining to form the dorsal venous network of the hand that feeds into the cephalic vein radially and the basilic vein ulnarly. They are the primary route of venous drainage from the digits and dorsal hand.
The dorsal metacarpal veins are the standard sites for peripheral IV cannulation in children and patients with difficult access. Thrombophlebitis of the dorsal metacarpal veins from IV therapy presents as tender dorsal hand cords. In replantation surgery, dorsal venous repair of the metacarpal veins ensures digital venous outflow. Their distension in dorsal hand oedema reflects impaired venous return.
Superficial thrombosis of the dorsal metacarpal veins from IV catheter irritation producing a tender, indurated cord on the dorsal hand, treated with warm compresses and anti-inflammatory medication.
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