Neurocritical care
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Venous thrombo-embolism (VTE) is frequently encountered in critically ill neurological and neurosurgical patients admitted to intensive care units. This patient population includes those with brain neoplasm, intracranial hemorrhage, ischemic stroke, subarachnoid hemorrhage, pre- and post-operative patients undergoing neurosurgical procedures and those with traumatic brain injury, and acute spinal cord injury (SCI). There is a wide variability in clinical practice for thromboprophylaxis in these patients, in part due to paucity of data based on randomized clinical trials. ⋯ Inferior vena cava filters may play a role in thromboprophylaxis in selected cases. Without clear guidelines that can be universally applied to this diverse group of patients, prophylaxis for VTE should be tailored to the individual patient with cautious assessment of benefits versus risks. There is a need for higher level evidence to guide VTE prophylaxis in certain subgroups of this patient population.
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Impaired cerebrovascular reactivity (CR) has been reported to be associated with adverse outcome in patients with aneurysmal subarachnoid hemorrhage (aSAH). However, CR may be determined using different paradigms and it is unclear, which measurement method most suitable reflects the clinical course or is able to predict clinical deterioration. ⋯ Due to the low number of included subjects, the obtained results are preliminary. However, they indicate that either the present technique of index-determination is not sensitive enough or that there is no strong relation between the measured indices and clinical outcome. Future verification is required of continuous against already established non-continuous monitoring techniques of CR in order to relate both to clinical outcome.