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Pulmonary fibrosis is associated with an elevated risk of thromboembolic disease.

ABSTRACT: Recent epidemiological studies have suggested an increased risk of venous thromboembolism (VTE) in lung fibrosis. Large-scale epidemiological data regarding the risk of VTE in pulmonary fibrosis-associated mortality have not been published. Using data from the National Center for Health Statistics from 1988-2007, we determined the risk of VTE in decedents with pulmonary fibrosis in the USA. We analysed 46,450,489 records, of which 218,991 met our criteria for idiopathic pulmonary fibrosis. Among these, 3,815 (1.74%) records also contained a diagnostic code for VTE. The risk of VTE in pulmonary fibrosis decedents was 34% higher than in the background population, and 44% and 54% greater than among decedents with chronic obstructive pulmonary disease and lung cancer, respectively. Those with VTE and pulmonary fibrosis died at a younger age than those with pulmonary fibrosis alone (females: 74.3 versus 77.4 yrs (p<0.0001); males: 72.0 versus 74.4 yrs (p<0.0001)). Decedents with pulmonary fibrosis had a significantly greater risk of VTE. Those with VTE and pulmonary fibrosis died at a younger age than those with pulmonary fibrosis alone. These data suggest a link between a pro-fibrotic and a pro-coagulant state.

SUBMITTER: Sprunger DB

PROVIDER: S-EPMC3757572 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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Pulmonary fibrosis is associated with an elevated risk of thromboembolic disease.

Sprunger D B DB Olson A L AL Huie T J TJ Fernandez-Perez E R ER Fischer A A Solomon J J JJ Brown K K KK Swigris J J JJ

The European respiratory journal 20110707 1

Recent epidemiological studies have suggested an increased risk of venous thromboembolism (VTE) in lung fibrosis. Large-scale epidemiological data regarding the risk of VTE in pulmonary fibrosis-associated mortality have not been published. Using data from the National Center for Health Statistics from 1988-2007, we determined the risk of VTE in decedents with pulmonary fibrosis in the USA. We analysed 46,450,489 records, of which 218,991 met our criteria for idiopathic pulmonary fibrosis. Among ...[more]

PMID: 21737559

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Project description:BackgroundIdiopathic pulmonary fibrosis (IPF) is a serious disease of the lung parenchyma. It has a known polygenetic risk, with at least seventeen regions of the genome implicated to date. Growing evidence suggests linked multimorbidity of IPF with neurodegenerative or affective disorders. However, no study so far has explicitly explored links between IPF, associated genetic risk profiles, and specific brain features.MethodsWe exploited imaging and genetic data from more than 32,000 participants available through the UK Biobank population-level resource to explore links between IPF genetic risk and imaging-derived brain endophenotypes. We performed a brain-wide imaging-genetics association study between the presence of 17 known IPF risk variants and 1248 multi-modal imaging-derived features, which characterise brain structure and function.FindingsWe identified strong associations between cortical morphological features, white matter microstructure and IPF risk loci in chromosomes 17 (17q21.31) and 8 (DEPTOR). Through co-localisation analysis, we confirmed that cortical thickness in the anterior cingulate and more widespread white matter microstructure changes share a single causal variant with IPF at the chromosome 8 locus. Post-hoc preliminary analysis suggested that forced vital capacity may partially mediate the association between the DEPTOR variant and white matter microstructure, but not between the DEPTOR risk variant and cortical thickness.InterpretationOur results reveal the associations between IPF genetic risk and differences in brain structure, for both cortex and white matter. Differences in tissue-specific imaging signatures suggest distinct underlying mechanisms with focal cortical thinning in regions with known high DEPTOR expression, unrelated to lung function, and more widespread microstructural white matter changes consistent with hypoxia or neuroinflammation with potential mediation by lung function.FundingThis study was supported by the NIHR Nottingham Biomedical Research Centre and the UK Medical Research Council.

Dataset Information

Pulmonary fibrosis is associated with an elevated risk of thromboembolic disease.

Publications

Pulmonary fibrosis is associated with an elevated risk of thromboembolic disease.

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