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Increased Epicardial Fat Volume Is Independently Associated with the Presence and Severity of Systemic Sclerosis.

Abstract：

RATIONALE AND OBJECTIVES:The study aimed to determine if intrathoracic fat volumes are associated with the presence and severity of systemic sclerosis (SSc), defined by the presence of pulmonary arterial hypertension (PAH). MATERIALS AND METHODS:A total of 265 patients were included in the study, 202 of whom had SSc (134 had SSc with no PAH and 68 had SSc-associated PAH) and who underwent high-resolution computed tomography, and 63 controls who underwent coronary computed tomography angiography with calcium scoring. Intrathoracic and epicardial (EFV) fat volumes were quantified by manual tracing of the mediastinum and the pericardium, the difference of which represents the extrapericardial fat volume. Associations between these three fat volumes and the presence and severity of SSc, adjusted for cardiovascular risk factors and interstitial lung disease, were evaluated by logistic regression analysis. RESULTS:Of the 202 patients with SSc, the mean age was 55 years (ranged from 20 to 86), and 79% (159 of 202) were women. Adjusted EFV (odds ratio [OR]: 1.065; 95% confidence interval [CI]: 1.046-1.084, P = < 0.0001), extrapericardial fat volume (OR: 1.028, 95% CI: 1.017-1.038, P = < 0.0001), and intrathoracic fat volume (OR: 1.033, 95% CI: 1.023-1.043, P = 0.001) were associated with the presence of SSc. Only EFV was associated with SSc severity (adjusted OR: 1.010, 95% CI: 1.003-1.018, P = 0.007). CONCLUSION:Increased epicardial fat volume is associated with the presence and severity of SSc, independent of cardiovascular risk factors and interstitial lung disease.

journal_name

Acad Radiol

journal_title

Academic radiology

authors

Long BD,Stojanovska J,Brown RKJ,Attili AK,Jackson EA,Ognenovski V

doi

10.1016/j.acra.2017.07.003

subject

Has Abstract

pub_date

2017-12-01 00:00:00

pages

1473-1481

issue

12

eissn

1076-6332

issn

1878-4046

pii

S1076-6332(17)30327-6

journal_volume

24

pub_type

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