Subarachnoid Hemorrhage

Smoking and neurosurgical outcomes

The effects of long-term cigarette smoking on morbidity and mortality have long been known. In a more immediate sense, smoking in the days and weeks before surgery can lead to morbidity and complications for many surgical ...

Jun 18, 2013
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Ruptured aneurysm has lasting impact on quality of life

Ten years after stroke caused by a ruptured aneurysm of the brain, surviving patients have persistent difficulties in several areas affecting quality of life, reports a study in the March issue of Neurosurgery, official journal of the Congress of Neurological Surgeons. ...

Mar 12, 2013
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A subarachnoid hemorrhage (SAH,  /ˌsʌbəˈræknɔɪd ˈhɛmᵊrɪdʒ/), or subarachnoid haemorrhage in British English, is bleeding into the subarachnoid space—the area between the arachnoid membrane and the pia mater surrounding the brain. This may occur spontaneously, usually from a ruptured cerebral aneurysm, or may result from head injury.

Symptoms of SAH include a severe headache with a rapid onset ("thunderclap headache"), vomiting, confusion or a lowered level of consciousness, and sometimes seizures. The diagnosis is generally confirmed with a CT scan of the head, or occasionally by lumbar puncture. Treatment is by prompt neurosurgery or radiologically guided interventions with medications and other treatments to help prevent recurrence of the bleeding and complications. Surgery for aneurysms was introduced in the 1930s, but since the 1990s many aneurysms are treated by a less invasive procedure called "coiling", which is carried out by instrumentation through large blood vessels.

SAH is a form of stroke and comprises 1–7% of all strokes. It is a medical emergency and can lead to death or severe disability—even when recognized and treated at an early stage. Up to half of all cases of SAH are fatal and 10–15% of casualties die before reaching a hospital, and those who survive often have neurological or cognitive impairment.

This text uses material from Wikipedia licensed under CC BY-SA

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