Cardiovascular Risk Factors and Atherosclerotic Cardiovascular Events Among Incident Cases of Systemic Sclerosis: Results From a Population-Based Cohort (1980-2016)

Reto D. Kurmann, Avneek S. Sandhu, Cynthia S. Crowson, Eric L. Matteson, Thomas G. Osborn, Kenneth J. Warrington, Rekha Mankad, Ashima Makol

Research output: Contribution to journalArticle

Abstract

Objective: To characterize cardiovascular (CV) risk factors and outcomes among incident cases of systemic sclerosis (SSc) in a population-based cohort. Methods: Medical records of patients with SSc diagnosed in Olmsted County, Minnesota, between January 1, 1980, and December 31, 2016, were reviewed to identify 78 incident SSc cases. The comparators were 156 sex- and age-matched individuals from the same population. Data for SSc characteristics, traditional CV risk factors, and CV events were collected. Cumulative incidence was adjusted for the competing risk for death. Results: During a median follow-up of 9.8 (SSc) and 9.2 years (non-SSc), 21 patients with SSc and 17 patients without SSc developed CV events, corresponding to 10-year cumulative incidence of 24.4% and 15.2%, respectively. The risk for incident CV disease was increased by 2-fold (hazard ratio, 2.38; 95% CI, 1.28-4.43) in patients with SSc vs comparators, predominately due to coronary artery disease (hazard ratio, 2.35; 95% CI, 1.17-4.71). Mean body mass index and prevalence of diabetes mellitus were lower in SSc vs non-SSc. There was no significant difference in smoking, hypertension, or hyperlipidemia. Observed CV events were increased compared with CV events predicted by the Framingham Risk Score and American College of Cardiology/American Heart Association score with standardized incident ratios of 4.16 (95% CI, 2.16-7.99) and 5.69 (95% CI, 2.71-11.94), respectively. Conclusion: Patients with SSc are at >2-fold increased risk for experiencing a CV event compared with persons without SSc. Framingham Risk Score and American College of Cardiology/American Heart Association score dramatically underestimate CV risk in SSc.

Original languageEnglish (US)
Pages (from-to)1369-1378
Number of pages10
JournalMayo Clinic proceedings
Volume95
Issue number7
DOIs
StatePublished - Jul 2020

ASJC Scopus subject areas

  • Medicine(all)

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