Prognostic value of the chest x-ray in patients hospitalised for heart failure

Pan, D. et al. (2021) Prognostic value of the chest x-ray in patients hospitalised for heart failure. Clinical Research in Cardiology, 110(11), pp. 1743-1756. (doi: 10.1007/s00392-021-01836-9) (PMID:33754159)

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Background: Patients admitted to hospital with heart failure will have had a chest X-ray (CXR), but little is known about their prognostic significance. We aimed to report the prevalence and prognostic value of the initial chest radiograph findings in patients admitted to hospital with heart failure (acute heart failure, AHF). Methods: The erect CXRs of all patients admitted with AHF between October 2012 and November 2016 were reviewed for pulmonary venous congestion, Kerley B lines, pleural effusions and alveolar oedema. Film projection (whether anterior–posterior [AP] or posterior–anterior [PA]) and cardiothoracic ratio (CTR) were also recorded. Trial registration: ISRCTN96643197 Results: Of 1145 patients enrolled, 975 [median (interquartile range) age 77 (68–83) years, 61% with moderate, or worse, left ventricular systolic dysfunction, and median NT-proBNP 5047 (2337–10,945) ng/l] had an adequate initial radiograph, of which 691 (71%) were AP. The median CTR was 0.57 (IQR 0.53–0.61) in PA films and 0.60 (0.55–0.64) in AP films. Pulmonary venous congestion was present in 756 (78%) of films, Kerley B lines in 688 (71%), pleural effusions in 649 (67%) and alveolar oedema in 622 (64%). A CXR score was constructed using the above features. Increasing score was associated with increasing age, urea, NT-proBNP, and decreasing systolic blood pressure, haemoglobin and albumin; and with all-cause mortality on multivariable analysis (hazard ratio 1.10, 95% confidence intervals 1.07–1.13, p < 0.001). Conclusions: Radiographic evidence of congestion on a CXR is very common in patients with AHF and is associated with other clinical measures of worse prognosis.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Cleland, Professor John and Pellicori, Dr Pierpaolo
Authors: Pan, D., Pellicori, P., Dobbs, K., Bulemfu, J., Sokoreli, I., Urbinati, A., Brown, O., Sze, S., Rigby Cstat, A. R., Kazmi, S., Riistama, J. M., Cleland, J. G.F., and Clark, A. L.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Robertson Centre
Journal Name:Clinical Research in Cardiology
ISSN (Online):1861-0692
Published Online:22 March 2021
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in Clinical Research in Cardiology 110(11): 1743-1756
Publisher Policy:Reproduced under a Creative Commons licence

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