![]() Baseline images and rewarming curves were analyzed. TG of the hand was performed before, directly and ten minutes after a cold challenge test. Morphologic features were scored and patients were categorized according to the guidelines of EULAR Study group on Microcirculation in Rheumatic Diseases. Methods: Thirty RP patients (PRP, n = 21 SRP, n = 9) underwent nailfold capillaroscopy and thermography. An approach using both NC and TG could improve the differentiation between PRP and SRP. ![]() Thermography (TG) is a non-invasive technique which enables quantification of cutaneous vascular function. However, abnormal morphology can also be caused due to age-related changes and cardiovascular disease. Currently, nailfold capillaroscopy (NC) is applied to differentiate between primary RP (PRP) and secondary RP (PRP), associated with connective tissue disease. Objectives: Early microvascular damage and dysfunction are clinically mirrored in Raynaud’s phenomenon (RP).
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