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Correlates and assessment of excess cardiovascular risk in bronchiectasis

Saleh, AD; Kwok, B; Brown, JS; Hurst, JR; (2017) Correlates and assessment of excess cardiovascular risk in bronchiectasis. European Respiratory Journal , 50 (5) , Article 1701127. 10.1183/13993003.01127-2017. Green open access

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Abstract

Patients with bronchiectasis are at increased risk of cardiovascular disease. We aimed to identify factors associated with elevated cardiovascular risk in bronchiectasis, measured using aortic stiffness and cardiac biomarkers. In addition, we sought to compare these direct measures against calculated QRISK2 scores.Aortic stiffness, cardiac biomarkers and systemic inflammation were measured in 101 adults with stable bronchiectasis. In addition, clinical and demographic data were collected to allow calculation of QRISK2 score and the bronchiectasis severity index (BSI) for each patient.The BSI score correlated with measured cardiovascular risk assessments, partly due to greater exacerbation frequency and lower forced expiratory volume in 1 s. Pulse-wave velocity was significantly higher in frequent exacerbators (≥3 events·year-1) than infrequent exacerbators (<3 events·year-1; 10.5 versus 9.2 m·s-1, p=0.01). In addition, frequent exacerbators had elevated serum C-reactive protein concentration, suggesting increased systemic inflammation (4.8 versus 2.2 mg·L-1, p=0.005). QRISK2 systematically underestimated cardiovascular risk in this population (median change in relative risk 1.29). Underestimation was associated with frequent exacerbations and male sex.Patients with bronchiectasis have greater cardiovascular risk than published reference populations. Excess cardiovascular risk is associated with exacerbation frequency and impaired lung function. Cardiovascular risk assessment in bronchiectasis should be individualised, as calculation tools are likely to underestimate the risk in this population.

Type: Article
Title: Correlates and assessment of excess cardiovascular risk in bronchiectasis
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1183/13993003.01127-2017
Publisher version: http://doi.org/10.1183/13993003.01127-2017
Language: English
Additional information: Copyright ©ERS 2017. This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Respiratory Medicine
URI: http://discovery.ucl.ac.uk/id/eprint/10039267
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