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  • Title: Geographical and genetic factors do not account for significant differences in the clinical spectrum of giant cell arteritis in southern europe.
    Author: Gonzalez-Gay MA, Boiardi L, Garcia-Porrua C, Macchioni P, Amor-Dorado JC, Salvarani C.
    Journal: J Rheumatol; 2004 Mar; 31(3):520-3. PubMed ID: 14994398.
    Abstract:
    OBJECTIVE: To investigate whether genetic and geographical differences may influence the clinical spectrum of giant cell arteritis (GCA), we compared the demographic and clinical features of patients with biopsy-proven GCA from Reggio Emilia (Northern Italy) and Lugo (Northwest Spain) during a 15-year period. METHODS: We performed a retrospective review of the case records of all patients diagnosed with biopsy-proven GCA at Hospital Xeral-Calde (Lugo, Spain) and Hospital Santa Maria Nuova (Reggio Emilia, Italy) between 1 January 1986 and 31 December 2001. Both hospitals are the only referral centers for populations living in central Galicia and central Emilia Romagna, respectively. RESULTS: During the period of study, 194 Lugo residents and 126 Reggio Emilia residents were diagnosed with biopsy proven GCA. Reggio Emilia patients were more likely to be female (74% vs 54%; p = 0.0001). Although Lugo patients complained of headache (86%) more commonly than did those from Reggio Emilia (77%), the difference was only marginally significant (p = 0.05). The proportion of patients with visual manifestations or visual loss was remarkably similar (22% for visual manifestations and 17% for visual loss in Lugo and 29% and 21% for Reggio Emilia residents). The mean erythrocyte sedimentation rate prior to the onset of therapy was also similar. CONCLUSION: Apart from differences in sex, the clinical spectrum of GCA in these 2 Southern European regions was similar.
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