Table 1.

Important milestones in the study of microcirculatory damage by nailfold videocapillaroscopy in systemic sclerosis patients and healthy subjects.

Study	Milestones in the study of microvascular damage analysed by nailfold capillaroscopy
Maricq and LeRoy 5 Maricq 6	Description of a ‘scleroderma-type’ capillaroscopic pattern Two major patterns of microangiopathy: ‘Active’ and ‘Slow’
Cutolo et al. 4	Definition of ‘scleroderma capillaroscopic pattern’ Three patterns of microangiopathy: ‘Early’, ‘Active’ and ‘Late’
Sulli et al. 31	Definition of semiquantitative rating scale to score altered microvascular parameters and ‘microangiopathy evolution score’ (MES)
Smith et al. 16	Reliability of the qualitative and semiquantitative nailfold videocapillaroscopy assessment
Ingegnoli et al. 17	Nailfold capillaroscpic patterns in healthy subjects: a real issue in capillaroscopy
Smith et al. 20	EULAR Study Group definition on reliability of simple capillaroscopic definitions to describe capillary morphology

EULAR: European League Against Rheumatism.