Article ; Online: Combining biomarkers of clot resolution and alveolar basement membrane destruction predicts mortality in the ECLIPSE COPD cohort.
2020 Volume 173, Page(s) 106185
Abstract: ... destruction and clot resolution was predictive of all-cause mortality in COPD. The combination of two ... 08).: Conclusions: A combination of serological biomarkers of alveolar basement membrane ... C4Ma3), located in the alveolar basement membrane, and plasmin-mediated degradation of crosslinked ...
| Abstract | Background: Chronic obstructive pulmonary disease (COPD) is characterized by abnormal epithelial repair resulting in a hypercoagulable state with intra-alveolar accumulation of fibrin and alveolar basement membrane destruction. This study aimed to investigate if the combination of two serological biomarkers evaluating these pathological processes could improve the prediction of mortality risk compared to single biomarkers. Methods: Matrix metalloproteinase-mediated degradation of the type IV collagen α3 chain (C4Ma3), located in the alveolar basement membrane, and plasmin-mediated degradation of crosslinked fibrin (X-FIB), an end-product of fibrinogen, were assessed serologically in a subset of the ECLIPSE cohort (n = 982). Biomarker data were dichotomized into high versus low at the median. Cox regression and Kaplan-Meier curves were used to analyze the predictive value of having one or two high biomarkers for all-cause mortality over two years. Results: COPD participants with high levels of two biomarkers were at significantly higher risk of all-cause mortality with a hazard ratio of 7.66 (95% CI 1.75-33.48; p = 0.007) while participants with one high biomarker were not at significantly higher risk (HR 3.79 [95% CI 0.85-16.94]; p = 0.08). Conclusions: A combination of serological biomarkers of alveolar basement membrane destruction and clot resolution was predictive of all-cause mortality in COPD. The combination of two different pathological aspects may strengthen prognostic accuracy and could be used in conjunction with clinical assessment to guide treatment decisions. |
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| MeSH term(s) | Aged ; Autoantigens/blood ; Basement Membrane/pathology ; Biomarkers/blood ; Cause of Death ; Cohort Studies ; Collagen Type IV/blood ; Female ; Forecasting ; Humans ; Male ; Middle Aged ; Predictive Value of Tests ; Prognosis ; Pulmonary Alveoli/pathology ; Pulmonary Disease, Chronic Obstructive/complications ; Pulmonary Disease, Chronic Obstructive/mortality ; Pulmonary Disease, Chronic Obstructive/pathology ; Risk ; Thrombophilia/diagnosis ; Thrombophilia/etiology ; Thrombosis/diagnosis ; Thrombosis/etiology | |||||
| Chemical Substances | Autoantigens ; Biomarkers ; Collagen Type IV ; type IV collagen alpha3 chain | |||||
| Keywords | covid19 | |||||
| Language | English | |||||
| Publishing date | 2020-10-02 | |||||
| Publishing country | England | |||||
| Document type | Journal Article ; Research Support, Non-U.S. Gov't | |||||
| ZDB-ID | 1003348-8 | |||||
| ISSN | 1532-3064 ; 0954-6111 | |||||
| ISSN (online) | 1532-3064 | |||||
| ISSN | 0954-6111 | |||||
| DOI | 10.1016/j.rmed.2020.106185 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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