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. 2017 May;2(2):115-120.
doi: 10.5301/jsrd.5000236. Epub 2017 May 19.

Defining Skin Ulcers in Systemic Sclerosis: Systematic Literature Review and Proposed World Scleroderma Foundation (WSF) definition

Y A Suliman #  1   2 , C Bruni #  3 , S R Johnson  4 , E Praino  3   5 , M Alemam  6 , N Borazan  1 , L Cometi  3 , B Meyers  7 , D Khanna  8 , Y Allanore  9 , M Baron  10 , T Krieg  11 , A Herrick  12 , A Afonso  13 , O Distler  14 , S Kafaja  1 , C P Denton  15 , M Matucci-Cerinic  3 , D E Furst  1
Affiliations

Defining Skin Ulcers in Systemic Sclerosis: Systematic Literature Review and Proposed World Scleroderma Foundation (WSF) definition

Y A Suliman et al. J Scleroderma Relat Disord. 2017 May.

Abstract

Purpose: There is a lack of a valid, definition for skin ulcers in SSc to be used in clinical trials. Our aim was to develop a consensus definition for SSc-skin ulcers based on the results of a systematic literature review (SLR) for skin ulcer definitions and expert opinion; and to evaluate its face validity, reliability and feasibility.

Methods: SLR for skin ulcer definitions was conducted using PubMed, Web of Science, and Cochrane library for articles published from inception to January 1st, 2016. SSc experts were to discuss the definitions' categories and vote for the relevant terms. Reliability of the definition were tested in a second expert meeting, seven SSc experts evaluated 7 SSc pts with skin lesions twice. Face validity and feasibility evaluated by sending out case report forms(CRFs) to 4 SSc experts, they were asked to use the definition in 5 pts each.

Results: A total of 3464 abstracts and titles were screened, and 446 articles were fully evaluated. Of these, 66 met eligibility criteria and skin ulcer definitions were extracted. SSc experts discussed, refined and voted on the consensus definition using nominal process. Kappa for inter-, intra-rater rater agreement was 0.51, 0.90 respectively. The mean time to decide if the lesion is an ulcer was 7.4 sec. All investigators endorsed the face validity of the new definition in the CRFs.

Conclusion: Using a SLR and a nominal technique, we developed a preliminary consensus-based definition of SSc-skin ulcers. Face validity, feasibility and reliability were demonstrated for the developed definition.

Keywords: amputation; digital loss; gangrene; skin ulcers; systemic sclerosis.

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Figures

Figure 1:
Figure 1:
showing the systematic review diagram.
Figure 2:
Figure 2:
Showing the World Scleroderma Foundation (WSF) Definition for SSc-skin ulcers to be used in clinical trials
See this image and copyright information in PMC

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