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Incidence of pulmonary hypertension and determining factors in patients with systemic sclerosis

Coghlan, G; Wolf, M; Distler, O; Denton, CP; Doelberg, M; Harutyunova, S; Marra, AM; ... Grünig, E; + view all (2018) Incidence of pulmonary hypertension and determining factors in patients with systemic sclerosis. European Respiratory Journal , 51 (3) 10.1183/13993003.01197-2017. Green open access

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Abstract

Objective: The objective of this study was to evaluate the incidence of pulmonary hypertension (PH) and determining factors in patients with systemic sclerosis (SSc) and a DLCO < 60% predicted.Methods:In this bicentric, prospective cohort study, patients with SSc were assessed at baseline and after 3 years clinically including right heart catheterization (RHC). Analysis of determining factors for development of PH was performed using univariate and multivariate analysis.Results:Ninety-six patients with mean pulmonary artery pressure (mPAP) <25 mmHg at baseline were followed 2.95±0.7 (median 3) years. Seventy-one had a second RHC; 18 of the 71 patients (25.3%) developed PH, 5 (7%) a SSc-associated pulmonary arterial hypertension. For patients with mPAP between 21 and 24 mmHg at baseline, the likelihood of presenting with PH as opposed to normal pressures on follow-up was significantly higher (p=0.026). Pulmonary vascular resistance, tricuspid regurgitation velocity, diffusion capacity and size of inferior vena cava at baseline were independent predictors for development of PH during follow-up.Conclusion:In a selected cohort of SSc patients with a DLCO < 60%, pulmonary pressures appear to rise progressively during follow up. In this population using prospective RHC during follow-up it was possible to identify manifest PH in almost 25% of 44 patients. Therefore, regular clinical assessment including RHC might be useful in SSc-patients.Most important findings:In a selected cohort of SSc patients pulmonary pressures appear to rise progressively, leading to a development of manifest PH in 25% within 3 years.

Type: Article
Title: Incidence of pulmonary hypertension and determining factors in patients with systemic sclerosis
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1183/13993003.01197-2017
Publisher version: http://doi.org/10.1183/13993003.01197-2017
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Systemic sclerosis, pulmonary hypertension, risk stratification
UCL classification: UCL
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 > Inflammation
URI: https://discovery.ucl.ac.uk/id/eprint/10045793
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