British journal of neurosurgery
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Review Comparative Study
A systematic review of levetiracetam versus phenytoin in the prevention of late post-traumatic seizures and survey of UK neurosurgical prescribing practice of antiepileptic medication in acute traumatic brain injury.
Guidelines recommend 1 week of prophylactic phenytoin for post-traumatic seizures (PTS). Levetiracetam is gaining popularity as an alternative with a superior side-effect profile and may be suitable for extended use. We performed a systematic review comparing the efficacy of levetiracetam and phenytoin in reducing the incidence of late PTS. The secondary objectives were to compare their effects on the Extended Glasgow Outcome Scale (GOS-E) and length of stay. We also aimed to survey current prophylaxis prescribing practices. ⋯ While our review found no evidence of a difference in late seizure incidence, there is evidence of improved long-term outcomes with levetiracetam. Neither study used an extended course of levetiracetam or continuous electroencephalography. Further research which accounts for these factors is required for the development of guidelines which take levetiracetam into account. Our survey showed a lack of awareness of the potential harms of extended phenytoin use and a move towards levetiracetam.
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Cauda equina syndrome (CES) is a condition with significant implications and medico-legal profile. The literature still lacks large primary studies to provide strong evidence for a robust management pathway. Statements from Neurosurgical and Spinal societies support early diagnosis and imaging but this has not resulted in any noticeable shift in referral pattern. We strongly feel the need for a nationally agreed, evidence-based referral pathway in practice. We present our large series and in-depth analysis of the referral pathway to provide strong evidence for more robust referrals and management. ⋯ As with previous studies we conclude that signs/symptoms are insufficient to identify tCES. Taking into consideration the improved outcome with early diagnosis, the importance of early scanning in diagnosing tCES, and the poor availability of OOH MRI scanning outside of neurosurgical units, we recommend a national policy of 24/7 MRI availability for cases of sCES at all hospitals with MRI scanners. This would remove the 87% of patients not requiring urgent surgery from an unnecessary and distracting referral process.
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To quantify the clinical findings in patients with potential cauda equina syndrome (CES). ⋯ TCS can improve the clinical assessment and management of patients with possible CES and improve communication between the doctors who are called upon to assess and treat such patients.