Table 1.
Characteristics | |
---|---|
Disease subtype and clinical manifestations | |
lcSSc | 17/21 (81) |
dcSSc | 4/21 (19) |
Years from RP (median, range) | 14 (1–50) |
RP | 20/21 (95.2) |
Scleroderma | 1/21 (4.8) |
Median modified Rodnan skin score (median, range) | 1.5 (0–10) |
Telangiectasia | 18/21 (85.7) |
History of and/or active DU and/or pitting scars | 13/21 (61.9) |
Sinovytis | 1/21 (4.8) |
Muscle weakness and/or CK elevation | 9/21 (42.8) |
Melanoderma | 1/21 (4.8) |
Gastrointestinal involvement | 17/21 (81) |
History of renal crisis | 0 |
Autoantibodies | |
ANA | 21/21 (100) |
ACA | 9/21 (42.9) |
ATA | 10/21 (47.6) |
RNA pol III | 0 |
PM-Scl | 0 |
Fibrillarin | 0 |
Negative SSc-marker autoantibodies | 0 |
Features of lung involvement | |
FVC < 80% predicted | 7/21 (33.3) |
DLCO < 80% predicted | 16/21 (76.2) |
ILD on HRCT of the lungs | 10/21 (47.6) |
EScSG-AI (median, range) | 1.75 (0–3) |
EScSG-AI ≥ 3 | 3/21 (14.3) |
Therapies | |
Proton pump inhibitors | 21/21 (100) |
Low-dose aspirin | 21/21 (100) |
Calcium channel blockers | 21/21 (100) |
Glucocorticoids + vitamin D | 16/21 (76) |
Immunosuppressants | 11/21 (52) |
ACE-I/ARB | 12/21 (57) |
Prostanoids | 1/21 (5) |
Values are expressed as n (%), except where otherwise indicated.
ACA, anticentromere antibodies; ACE-I, angiotensin-converting enzyme inhibitors; ANA, antinuclear antibodies; ARB, angiotensin receptor blockers; ATA, anti-topoisomerase I antibodies; dcSSc, diffuse cutaneous systemic sclerosis; DLCO, diffusing lung capacity for carbon monoxide expressed as a percentage of the predicted value; DU, digital ulcers; EScSG-AI, European Scleroderma Study Group-Activity Index; FVC, forced vital capacity expressed as a percentage of the predicted value; HRCT, high resolution computed tomography; ILD, interstitial lung disease; lcSSc, limited cutaneous systemic sclerosis; RNA pol III, anti-RNA polymerase III; RP, Raynaud’s phenomenon; SD, standard deviation; SSc, systemic sclerosis.