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Skin necrosis is a rare but debilitating complication of treatment with vitamin K antagonist anticoagulants such as warfarin. A clinically similar syndrome has been reported less frequently with heparin therapy. We recently managed a thirty-year-old female patient who developed skin necrosis on her
OBJECTIVE
Unfractionated heparin is frequently used as an anticoagulant during blood sampling and in cell culture experiments. In the present study we investigated whether heparin and other anticoagulants (citrate and EDTA) interfered with measurements of plasma tumor necrosis factor alpha (TNF
Two cases of necrosis of skin and subcutaneous tissues in patients taking oral anticoagulants are reported, and the English literature is reviewed. The mechanism of coumarin necrosis remains unknown. Most patients are women and the lesions are most common on the abdomen, buttocks, thighs, and
BACKGROUND
Skin necrosis with vitamin k antagonists are rare. They affect more frequently middle-aged and obese women, often within 10 days after initiating of treatment. They occur most often in a context of thrombophilia.
METHODS
An 18-year-old obese woman was treated with heparin and fluindione
The effectiveness of anticoagulant therapy for venous thromboembolism, with regards to both acute phase and long term prophylaxis, in patients with recurrent deep venous thrombosis (DVT) and persistence of risk factors, has been confirmed by many studies. However, it is not free of complications
Coumarin-induced skin necrosis represents a clinical entity that occurs very rarely, with an approximate incidence of 0.01-0.1% at patients following oral anticoagulant therapy. Most of the cases become clinical manifest between the 3rd and 6th of anticoagulant treatment (there were reports of late
Extensive cutaneous necrosis of the limbs with sudden onset was observed in 3 women suffering from benign systemic lupus erythematosus. All 3 had a circulating anticoagulant and a positive venereal diseases reference laboratory test without anticardiolipin antibodies. They were successfully treated
Skin necrosis is a well-known yet rare complication of oral anticoagulant therapy. We report the unusual recurrence of lesions typical of warfarin skin necrosis in the absence of anticoagulant therapy. A 59-year-old woman developed skin necrosis while receiving prophylactic warfarin following the
Assays for tumor necrosis factor (TNF) may be inhibited by nonspecific factors present in body fluids. We found that the ability to quantitate TNF is greatly affected by blood processing methods. Mice were anesthetized by inhalation of methoxyflurane before obtaining blood by cardiac puncture. The
Cutaneous necrosis of the breast is a rare complication of oral antivitamin K drugs. It occurs shortly after instituting therapy with well-limited, irreversible skin necrosis developing rapidly. The scar is superficial and only involves the subcutaneous tissue; early and extensive surgery does not
The effect of lupus anticoagulant (LA) positive plasma on the expression of human monocyte procoagulant activity (PCA) was studied. LA positive plasma were able to enhance the endotoxin or TNF alpha induced monocyte associated PCA. The monocyte PCA had the characteristic of tissue factor activity
A rare complication of subcutaneous heparin therapy is reported in a 75-year-old man. Large erythematous tender plaque developed in the skin overlying the injection sites. In one area of the abdomen, frank necrosis occurred with subsequent eschar formation. Skin testing with five brands of heparin