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  • Title: Clinical burden of digital vasculopathy in limited and diffuse cutaneous systemic sclerosis.
    Author: Nihtyanova SI, Brough GM, Black CM, Denton CP.
    Journal: Ann Rheum Dis; 2008 Jan; 67(1):120-3. PubMed ID: 17660220.
    Abstract:
    BACKGROUND: Vascular damage is a key pathological process in systemic sclerosis (SSc) and accounts for significant disease-related morbidity. To determine the clinical burden of severe digital vasculopathy (SDV), we have reviewed hospital-based treatment for this important complication of SSc in a large single centre cohort. METHODS: Cases were identified from a cohort of 1168 patients with a diagnosis of SSc who were reviewed during an 18-month period. Patients with recorded episodes of SDV-related complications (digital ulceration, critical digital ischaemia or digital gangrene), requiring surgical amputation, digital sympathectomy or admissions for intravenous prostacyclin or calcitonin gene related peptide (CGRP) and/or intravenous antibiotic treatment were identified. RESULTS: From this large SSc cohort, 17.4% had SDV-related complications. Contrary to expectation, their frequency was significantly higher among the patients with the diffuse cutaneous subset of SSc (27.5%) compared with 13% among the patients with limited cutaneous SSc (p<0.0001). 16.6% had at least one recorded episode of digital ulcers, and 12% required at least one hospitalisation during the 18 months for treatment with intravenous prostacyclin/CGRP. Overall, there were 242 admissions with a mean duration of 6 days. CONCLUSIONS: Digital vasculopathy is a serious complication of SSc contributing significant morbidity and often requiring hospital-based management.
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