It is well-known that rebleeding occurs most frequently within two weeks of the initial rupture of the aneurysm. A firm belief that operation during this period gives poor results has made almost all neurosurgeons avoid operations in this period. This fear has in turn resulted in permanent neurological defects or death in about half of the cases with ruptured aneurysms. A standard policy is therefore necessary to protect such patients from deterioration or a fatal haemorrhage during the waiting period before operation.
KeywordsMigraine Respiration Cyanide Meningitis Fentanyl
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