The need of mechanical ventilation among patients with acute neurological diseases is considered a poor prognostic sign. Aim: To determine the mortality and functional recovery of neurological patients requiring mechanical ventilation. Patients and methods: Prospective study of 77 patients (42 men, age 54±19 years, with 11±4 points of Glasgow coma scale (GCS), 61% with cerebrovascular disease), that were admitted to the intensive care unit with neurological disease and that required mechanical

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... entilation. Functional recovery was assessed at 18 months with Glasgow outcome scale (GOS) and Barthel index. Results: Thirty percent of patients died during follow up. Among surviving patients, 47% had a good recovery or moderate disability, and 74% had a Barthel index equal to or over 70. Arterial hypertension, age over 70 and mechanical ventilation longer than 6 days were associated with bad functional prognosis. Conclusions: Neurological patients requiring mechanical ventilation had a lower mortality than previously reported, and half of the survivors have an independent life. This study supports intensive care management in this group of patients (Rev Méd Chile 2004; 132: 11-8). (