Acute Respiratory Failure in Critically Ill Patients with Interstitial Lung Disease |
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| Authors: | Lara Zafrani Virginie Lemiale Nathanael Lapidus Gwenael Lorillon Beno?t Schlemmer Elie Azoulay |
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| Affiliation: | 1. Medical Intensive Care Unit, Saint-Louis University Hospital, Paris, France.; 2. Biostatistics Department, Saint-Louis University Hospital, Paris, France.; 3. Pulmonology Department, Saint-Louis University Hospital, Paris, France.; University of Texas Health Science Center at Houston, United States of America, |
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| Abstract: | BackgroundPatients with chronic known or unknown interstitial lung disease (ILD) may present with severe respiratory flares that require intensive management. Outcome data in these patients are scarce.Patients and MethodsClinical and radiological features were collected in 83 patients with ILD-associated acute respiratory failure (ARF). Determinants of hospital mortality and response to corticosteroid therapy were identified by logistic regression.ResultsHospital and 1-year mortality rates were 41% and 54% respectively. Pulmonary hypertension, computed tomography (CT) fibrosis and acute kidney injury were independently associated with mortality (odds ratio (OR) 4.55; 95% confidence interval (95%CI) (1.20–17.33); OR, 7.68; (1.78–33.22) and OR 10.60; (2.25–49.97) respectively). Response to steroids was higher in patients with shorter time from hospital admission to corticosteroid therapy. Patients with fibrosis on CT had lower response to steroids (OR, 0.03; (0.005–0.21)). In mechanically ventilated patients, overdistension induced by high PEEP settings was associated with CT fibrosis and hospital mortality.ConclusionMortality is high in ILD-associated ARF. CT and echocardiography are valuable prognostic tools. Prompt corticosteroid therapy may improve survival. |
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