Lumbar regional anaesthesia and prophylactic anticoagulant therapy

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Abstract
A survey has been carried out in all Danish anaesthetic departments (n = 80) regarding the attitude towards the use of epidural/spinal lumbar analgesia in patients who were receiving prophylactic anticoagulant therapy for the prevention of thromboembolism. About 60% of the departments used the techniques in patients receiving low-dose heparin and no side effects had been experienced. Spinal and epidural anaesthesia were in general regarded as being contraindicated in patients fully anticoagulated with vitamin K antagonists. In the world literature, the attitude towards the combination is conflicting. No randomised trial has been performed and complications are almost entirely confined to patients fully anticoagulated with vitamin K antagonists. Only one case of an epidural haematoma has been recorded when subcutaneous low-dose heparin was used as thromboprophylaxis.