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Annu Rev Pathol. 2011;6:147-63. doi: 10.1146/annurev-pathol-011110-130158.

The acute respiratory distress syndrome: pathogenesis and treatment.

Author information

  • 1The Cardiovascular Research Institute, Department of Medicine, University of California, San Francisco, 94143, USA. michael.matthay@ucsf.edu

Abstract

The acute respiratory distress syndrome (ARDS) causes 40% mortality in approximately 200,000 critically ill patients annually in the United States. ARDS is caused by protein-rich pulmonary edema that causes severe hypoxemia and impaired carbon dioxide excretion. The clinical disorders associated with the development of ARDS include sepsis, pneumonia, aspiration of gastric contents, and major trauma. The lung injury is caused primarily by neutrophil-dependent and platelet-dependent damage to the endothelial and epithelial barriers of the lung. Resolution is delayed because of injury to the lung epithelial barrier, which prevents removal of alveolar edema fluid and deprives the lung of adequate quantities of surfactant. Lymphocytes may play a role in resolution of lung injury. Mortality has been markedly reduced with a lung-protective ventilatory strategy. However, there is no effective pharmacologic therapy, although cell-based therapy and other therapies currently being tested in clinical trials may provide novel treatments for ARDS.

PMID:
20936936
[PubMed - indexed for MEDLINE]
PMCID:
PMC3108259
Free PMC Article
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