Rev Pneumol Clin
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Between 1980 and 1985, 66 patients with chronic obstructive lung disease (respiratory deficit of the restrictive type) were admitted to our department after an episode of acute respiratory failure treated with assisted ventilation in an intensive care unit. These patients were in a particularly poor clinical condition, due to their previous long stay in the intensive care unit (mean 43 days), the high percentage of tracheotomies (mean 44%), the loss of autonomy of movement in 30% of the cases and the presence of an associated pathology in 45% of the patients. These data explain the high mortality observed in this group: 40% of the patients died within one year of the acute respiratory failure episode. Other prognostic factors, notably the patients' nutritional status, must also be taken into account.