BJA Advance Access published online on October 29, 2004
British Journal of Anaesthesia, doi:10.1093/bja/aei004
© 2004 by The Board of Management and Trustees of the British Journal of Anaesthesia
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1 Department of Neuroanaesthesia, The Neuroscience Centre, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
* To whom correspondence should be addressed. After aneurysmal subarachnoid haemorrhage (SAH), the clinical outcome depends upon the primary haemorrhage and a number of secondary insults in the acute post-haemorrhagic period. Some secondary insults are potentially preventable but prevention requires prompt recognition of cerebral or systemic complications. Currently, several neuro-monitoring techniques are available; this review describes the most frequently used techniques and discusses indications for their use, and their value in diagnosis and prognosis. None of the techniques, when considered in isolation, has proved sufficient after SAH. Furthermore, the use of multi-modality monitoring is hampered by a lack of clinical studies that identify combinations of specific techniques in terms of clinical information and reliability. However, ischaemia at the tissue level can be detected by intracerebral microdialysis technique. Used together with the conventional monitoring systems, for example intracranial pressure measurements, transcranial Doppler ultrasound and modern neuro-imaging, direct assessment of biochemical markers by intracerebral microdialysis is promising in the advancement of neurointensive care of patients with SAH. A successfully implemented monitoring system provides answers but it also raises valuable new questions challenging our current understanding of the brain injury after SAH.
Review Article
Trends in monitoring patients with aneurysmal subarachnoid haemorrhage
2 Department of Neurosurgery, The Neuroscience Centre, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
J. B. Springborg, E-mail: rh13842{at}rh.dk
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