A 51-year-old gentleman with no significant past medical history presented with a WFNS grade 1 subarachnoid haemorrhage. Initial angiographic investigations revealed no cause, but repeat tests showed a small basilar perforator aneurysm. Following a failed attempt at endovascular treatment, a craniotomy and excision of the aneurysm was performed. Post-operatively the patient made a good recovery. This case highlights the importance of delayed repeat catheter angiography in selected patients with suspicious initial CT head results.
This project was undertaken to examine the health resource implications of performing endoscopic third ventriculostomy as an alternative to CSF shunting in appropriate patients. We carried out a retrospective study of case records and X-rays of patients shunted de novo at the INS, Glasgow for the two year period 1990-1991. We identified all those patients who would have been suitable for endoscopic third ventriculostomy and examined the shunt complications and extra days in hospital required by these patients. A total of 150 new shunts was inserted during the two year period. Of these, 23 patients (15%)were judged suitable for endoscopic third ventriculostomy as an alternative to CSF shunting. Eight out of 23 patients required a total of 29 repeat operations and an extra 230 days in hospital due to shunt complications. Assuming an 80% success (shunt free) rate for endoscopic third ventriculostomy, we calculate that 9 operations and 74 bed days per year could be saved by using this technique. We conclude that in units undertaking a large number of CSF shunt insertions, investment in neuroendoscopic equipment, training, and expertise has the potential to release significant resources for other uses.
We gave a questionnaire to a multinational group of 59 neurosurgeons to discover their views about certain aspects of predictions of outcome after severe head injury. Although there was wide variation in the opinions expressed, a majority of clinicians agreed that estimations of prognosis are possible within 3 days of severe head injury, that these estimates influence some of their management decisions, and that computer predictions should be at least as reliable as those of an experienced clinician. The findings suggest that clinicians may be receptive to the use of computerized predictions of outcome, but also indicate that many other factors influence difficult clinical decisions.
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