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Risk factors for death and the 3-year survival of patients with systemic sclerosis: the French ItinérAIR-Sclérodermie study.

Abstract : OBJECTIVES: This longitudinal study investigated survival, risk factors and causes of death in the multicentre ItinérAIR-Sclérodermie cohort of patients with SSc without severe pulmonary fibrosis or severe left heart disease at baseline. METHODS: At 3-year follow-up, vital status was obtained from investigators or French national death records. Causes of death were classified as SSc-related or otherwise. Data were censored at 37 months, time of death or loss to follow-up, whichever was earlier. Survival was estimated using the Kaplan-Meier method. Multivariate survival analyses were conducted using the Cox model. RESULTS: In total, 546 patients were followed for a median duration of 37 months, representing 1547 patient-years. At baseline, the majority of patients were female, with lcSSc, mean age 54.9 +/- 13.0 years and mean duration of SSc of 8.8 +/- 8.1 years. In total, 47 patients died, giving a 3-year survival of 91.1% and cumulative mortality of 3.04 deaths per 100 patient-years; 17 deaths (32.2%) resulted from pulmonary arterial hypertension (PAH) and eight (17.1%) from cancer. Of the 47 patients with PAH at baseline, 20 died during follow-up, giving a 3-year survival of 56.3%. In a multivariate analysis, PAH [hazard ratio (HR) 7.246], age at first symptom (HR 1.052), duration of SSc (HR 1.047 per year) and Rodnan skin score (per one point) (HR 1.045) were associated with increased mortality. CONCLUSION: This 3-year study observed survival and mortality estimates that were comparable with previous reports. PAH increased the HR for mortality in patients with SSc, justifying yearly echocardiographic screening.
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https://www.hal.inserm.fr/inserm-00422549
Contributor : Sarah Hamant <>
Submitted on : Wednesday, October 7, 2009 - 3:05:29 PM
Last modification on : Thursday, November 19, 2020 - 3:52:37 PM

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Eric Hachulla, Patrick Carpentier, Virginie Gressin, Elisabeth Diot, Yannick Allanore, et al.. Risk factors for death and the 3-year survival of patients with systemic sclerosis: the French ItinérAIR-Sclérodermie study.. Rheumatology, Oxford University Press (OUP), 2009, 48 (3), pp.304-8. ⟨10.1093/rheumatology/ken488⟩. ⟨inserm-00422549⟩

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