Chest
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Case Reports
A 47-Year-Old Man With Progressive Mental Deterioration During Ventilator Management of Asthma in the ICU.
A 47-year-old man was admitted to the ICU with acute hypercapnic respiratory failure caused by a severe asthma attack. He had a history of asthma, atrial septal defect, chronic heart failure, and atrial fibrillation. He underwent surgical closure of the atrial septal defect at 7 years of age and was asymptomatic until 38 years of age when he developed congestive heart failure because of structural cardiac abnormalities, including left ventricular systolic dysfunction, biatrial enlargement, and mild mitral and tricuspid regurgitation. ⋯ Despite the recovery from the initial respiratory failure, he became inactive and lethargic on the fourth day in the ICU. ICU-acquired delirium was suspected, and administration of sedatives and analgesics was discontinued. On the following day, he was unresponsive to stimuli.
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Combined intrapleural therapy with tissue plasminogen activator (tPA) and deoxyribonuclease (DNase) has been shown to reduce the need for surgical intervention for complicated pleural effusion/empyema (CPE/empyema). For patients in whom tPA/DNase is likely to fail, however, receipt of this therapy may simply delay the inevitable. The goal of this study was to identify risk factors for failure of combined intrapleural therapy. ⋯ Our analysis found that the presence of pleural thickening and the presence of an abscess/necrotizing pneumonia helps to triage patients in whom combined intrapleural therapy is likely to fail. The results warrant further study and validation in a prospective multicenter study.