TABLE 4.
Systemic sclerosis patients (n = 100) | ||
|
||
Hazard ratio (95% CI) | p-value | |
Age (years) | 1.02 (0.99−1.05) | 0.189 |
Sex (male) | 2.65 (1.15−6.08) | 0.021 |
Diffuse systemic sclerosis | 0.91 (0.41−2.03) | 0.810 |
Age of diagnosis >60 years | 1.44 (0.57−3.67) | 0.454 |
Atrial fibrillation | 4.02 (1.72−9.42) | 0.001 |
FVC of predicted (%) | 0.98 (0.97−1.00) | 0.058 |
DLCO of predicted (%) | 0.97 (0.94−1.00) | 0.069 |
Pulmonary involvement | 1.47 (0.62−3.48) | 0.379 |
Known coronary artery disease | 2.63 (0.96−7.23) | 0.061 |
NYHA class > II | 3.38 (1.45−7.86) | 0.005 |
Estimated RV systolic pressure (mmHg)* | 1.03 (1.00−1.06) | 0.068 |
Baseline CMR parameters | ||
LV end-diastolic volume-indexed (mL/m2) | 1.00 (0.98−1.02) | 0.966 |
LVEF (%) | 0.97 (0.94−1.00) | 0.075 |
RV end-diastolic volume-indexed (mL/m2) | 1.00 (0.99−1.02) | 0.742 |
RVEF (%) | 0.99 (0.95−1.03) | 0.531 |
RA maximum volume-indexed (mL) | 1.02 (1.00−1.04) | 0.031 |
RA EF (%) | 0.97 (0.94−1.01) | 0.130 |
Presence of LGE | 3.42 (1.42−8.28) | 0.006 |
Presence of non-ischemic LGE | 3.59 (1.43−9.01) | 0.007 |
Strain measurements | ||
RV global longitudinal strain (%) | 1.03 (0.98−1.09) | 0.248 |
RA reservoir strain (%) | 0.95 (0.91−0.99) | 0.009 |
RA conduit strain (%) | 0.93 (0.88−0.98) | 0.008 |
RA booster strain (%) | 1.01 (0.95−1.07) | 0.799 |
CMR, cardiac magnetic resonance; DLCO, diffusing capacity of the lungs for carbon monoxide; EF, ejection fraction; FVC, forced vital capacity; LGE, late gadolinium enhancement; LV, left ventricular; RA, right atrial; RV, right ventricular. *Available in 86 patients. Significant p-values (p < 0.05) are indicated in bold.