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How long does fluid stay in the lungs after pneumonia? 

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STUDY OBJECTIVES To determine whether the detection of pneumococcal antigen in pleural fluid augments conventional microbiological methods used for the etiologic diagnosis of pneumonia.
We found that bacterial cultures of BAL fluid appeared useful in defining the presence and etiology of pneumonia.
MEASUREMENTS AND MAIN RESULTS Eighteen patients (18.1%) acquired pneumonia (median of 7 days after tracheotomy).
Pneumonia in a debilitated patient in a long-term care facility predicts recurrent pneumonia and death within 1 to 2 years.
We conclude that the lesions of this experimental pneumonia, and thus of atypical pneumonia, may decrease in severity after 2 or 3 months.
The current practice of fluid restriction in hypoxaemic patients with severe pneumonia might be logical only after correction of hypoxaemia.
We observed substantial interhospital variation in the lengths of stay for patients hospitalized with community-acquired pneumonia.

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