In an emergency room serving part of the Lisbon area, we consecutively collected 78 patients in coma caused by stroke (incidence: 32,5 per 100,000 inhabitants). The main cause of coma was intracerebral hemorrhage (ICH, 72%), followed by cerebral ischemic infarction (CII, 23%) and subarachnoid hemorrhage (5%). All patients were followed until death or discharge from the hospital. Eighty-six percent died. Outcome was influenced both by etiology and severity of coma. Patients with ICH died more often and earlier than those with CII. A Glasgow Coma Score over 4 or the presence of all brainstem reflexes were associated with a higher survival rate.

Keywords:
Coma, Epidemiology, Cerebral hemorrhage
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© 1992 S. Karger AG, Basel
1992
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