Anaesthesia
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Venous thromboembolism is a major complication associated with traumatic brain injury and is responsible for significant morbidity and mortality. There has been a general reluctance over the years to use anticoagulant prophylaxis for patients with head injury who have suffered intracranial bleeding or for whom intracranial surgery is needed. ⋯ The survey highlighted concern about the failure to implement even the most simple means of prophylaxis. The evidence for the use of the various methods of prophylaxis is reviewed.
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Case Reports
False-positive epidural catheter aspiration tests in needle through needle combined spinal-epidural anaesthesia.
We describe two separate episodes of free aspiration of clear fluid through epidural catheters during needle-through-needle combined spinal-epidural anaesthesia in the lateral position. Although both catheters were assumed to have been located intrathecally, both subsequently gave negative test doses and were used as epidural catheters. In the second patient, the position of the catheter was investigated using contrast spiral computerised tomography scanning, which showed epidural contrast spread only. This is the first time such an occurrence has been recognised, and we consider its significance for catheter site confirmation testing in combined spinal-epidural anaesthesia.