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Background
Microvascular changes play a decisive role in systemic sclerosis (SSc) and occur early in the course of the disease. Pulmonary arterial hypertension (PAH) represents one of the main clinical expressions of the vascular changes in SSc, and the abnormal changes, especially capillary density and capillary width, are detectable at nailfold videocapillaroscopy (NVC).
Aims
To investigate the...