Twenty-five percent of patients with subarach-noid hemorrhage from a ruptured aneurysm will develop acute hydrocephalus with elevation of ICP. Insertion of ventriculostomy with controlled drainage of CSF is an effective treatment of ICP. Some of these patients will eventually require a ventriculo-peritoneal shunt. Placement of a lumbar subarachnoid drain can also reduce CSF volume, but at the increased risk of brain herniation. This is less useful in patients with head injury, as the ventricles are frequently compressed, making them inaccessible and drainage less effective.
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The term vaginitis is one that is applied to any inflammation or infection of the vagina, and there are many different conditions that are categorized together under this ‘broad’ heading, including bacterial vaginosis, trichomoniasis and non-infectious vaginitis.