Pulmonary arterial lesions in explanted lungs after transplantation correlate with severity of pulmonary hypertension in chronic obstructive pulmonary disease

Jørn Carlsen, Kasper Hasseriis Andersen, Søren Boesgaard, Martin Iversen, Daniel Steinbrüchel, Claus B. Andersen

    46 Citations (Scopus)

    Abstract

    BACKGROUND: Pulmonary vascular findings are largely unreported in end-stage chronic obstructive pulmonary disease (COPD). METHODS: Pulmonary vascular lesions in explanted lungs from 70 patients with COPD/emphysema or α-1-antitrypsin deficiency were analyzed retrospectively. Patients were stratified by the presence and severity of pulmonary hypertension (PH) assessed by right-heart catheterization in 3 hemodynamically distinct groups: (1) non-PH (mean pulmonary arterial pressure [mPAP]50 mm Hg; median HE Grade 4 (range 3-6), with generalized arterial dilatation and plexiform lesions. CONCLUSIONS: The extent of pulmonary vascular lesions in COPD correlate with the severity of PH. Morphologic lesions similar to those characteristic of IPAH can be observed as PH in COPD progresses to levels characteristic of IPAH.
    Original languageEnglish
    JournalJournal of Heart and Lung Transplantation
    ISSN1053-2498
    DOIs
    Publication statusPublished - Mar 2013

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