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Epidural haematoma
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EditorWe read with interest the recent case report in which a patient treated with clopidogrel and dalteparin developed an epidural haematoma following a combined spinal-epidural anaesthetic.1 Although the authors describe the commonly quoted incidence of spinal haematoma following epidural and spinal anaesthesia between 1 in 150 000 and 1 in 220 000, the true incidence is unknown. The Victorian Consultative Council on Anaesthetic Mortality and Morbidity (VCCAMM) is a system that monitors, analyses and reports on key areas of potentially preventable anaesthetic mortality and morbidity within the Victorian hospital system in Australia.2 It has recently reported a number of major complications following regional anaesthesia techniques with concerns regarding