References
- Amanzi L, Braschi F, Fiori G, Galluccio F, Miniati I, Guiducci S, et al. Digital ulcers in scleroderma: staging, characteristics and sub-setting through observation of 1614 digital lesions. Rheumatology (Oxford)2010;49:1374–82.
- Della Rossa A, Valentini G, Bombardieri S, Bencivelli W, Silman AJ, D’Angelo S, et al. European multicentre study to define disease activity criteria for systemic sclerosis. I. Clinical and epidemiological features of 290 patients from 19 centres. Ann Rheum Dis 2001;60:585–91.
- Mawdsley AH. Patient perception of UK scleroderma services – results of an anonymous questionnaire. Rheumatology (Oxford) 2006;45:1573.
- Tiev KP, Diot E, Clerson P, Dupuis-Simeon F, Hachulla E, Hatron P, et al. Clinical features of scleroderma patients with or without prior or current ischemic digital ulcers: post-hoc analysis of a nationwide multicenter cohort (ItinérAIR-Sclérodermie). J Rheumatol 2009;36:1470–6.
- Khimdas S, Harding S, Bonner A, Zummer B, Baron M, Pope J; Canadian Scleroderma Research Group Registry. Associations with digital ulcers in a large cohort of systemic sclerosis: results from the Canadian Scleroderma Research Group Registry. Arthritis Care Res 2011:63;142–9.
- Hachulla E, Clerson P, Launay D, Lambert M, Morell-Dubois S, Queyrel V, et al. Natural history of ischemic digital ulcers in systemic sclerosis: single-center retrospective longitudinal study. J Rheumatol 2007;34:2423–30.
- Mouthon L, Mestre-Stanilas C, Berezne A, Rannou F, Guilpan P, Revel M, et al. Impact of digital ulcers on disability and health-related quality of life in SSc. Ann Rheum Dis 2010;69:214–17.
- Sunderkotter C, Herrgott I, Bruckner C, Moinzadeh P, Pfeiffer C, Gerss J, Hunzelmann N, et al. Comparison of patients with and without digital ulcers in systemic sclerosis: detection of possible risk factors. Br J Dermatol 2009;160:835–43.
- Herrick AL, Roberts C, Tracey T, Silman A, Anderson M, Goodfield M, et al. Lack of agreement between rheumatologists in defining digital ulceration in systemic sclerosis. Arthritis Rheum 2009;60:878–82.
- Nihtyanova SI, Brough GM, Black CM, Denton CP. Clinical burden of severe digital vasculopathy in systemic sclerosis. Ann Rheum Dis 2008;67:120–3.
- Sandqvist G, Eklund M. Validity of HAMIS: a test of hand mobility in scleroderma. Arthritis Care Res 2000;13:382–7.x
- Steen VD, Medsger TA. The value of the Health Assessment Questionnaire and special patient-generated scales to demonstrate change in systemic sclerosis patients over time. Arthritis Rheum 1997;40:1984–91.
- Silman A, Akeeson A, Newman J, Henriksson H, Sandquist G, Nihill M, et al. Assessment of functional ability in patients with scleroderma: a proposed new disability assessment instrument. J Rheumatol 1998;25:79–83.
- Brower LM, Poole JL. Reliability and validity of the Duruoz hand index in persons with systemic sclerosis (scleroderma). Arthritis Care Res 2004;51:805–9.
- Berezne A, Seror R, Morell-Dubois S, de Menthon M, Fois E, Dzeing-Ella A, et al. Impact of systemic sclerosis on occupational and professional activity with attention to patients with digital ulcers. Arthritis Care Res 2011;63:277–85.