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. 2016 Sep;3(3):185-191.
doi: 10.1007/s40472-016-0112-y. Epub 2016 Aug 2.

Update on Chronic Lung Allograft Dysfunction

Jason M Gauthier  1 , Ramsey R Hachem  2 , Daniel Kreisel  3
Affiliations

Update on Chronic Lung Allograft Dysfunction

Jason M Gauthier et al. Curr Transplant Rep. 2016 Sep.

Abstract

Chronic lung allograft dysfunction (CLAD) encompasses a range of pathologies that cause a transplanted lung to not achieve or maintain normal function. CLAD manifests as airflow restriction and/or obstruction and is predominantly a result of chronic rejection. Three distinct phenotypes of chronic rejection are now recognized: bronchiolitis obliterans, neutrophilic reversible allograft dysfunction, and restrictive allograft syndrome. Recent investigations have revealed that each phenotype has a unique pathology and histopathological findings, suggesting that treatment regimens should be tailored to the underlying etiology. CLAD is poorly responsive to treatment once diagnosed, and therefore the prevention of the factors that predispose a patient to develop CLAD is critically important. Small and large animal models have contributed significantly to our understanding of CLAD and more studies are needed to develop treatment regimens that are effective in humans.

Keywords: azithromycin responsive allograft dysfunction; bronchiolitis obliterans; bronchiolitis obliterans syndrome; chronic lung allograft dysfunction; neutrophilic reversible allograft dysfunction; restrictive allograft syndrome.

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