Article Dans Une Revue Rheumatology Année : 2023

Prevalence of anti-neutrophil cytoplasmic antibody-associated vasculitis in the south of France, using the capture-recapture method

Sophie Rivière
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Eric Oziol
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Jean-Baptiste Fraison
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Frederic Veysseyre
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Laurence Guis
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Alain Le Quellec
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Résumé

Objectives : This study aimed to estimate the prevalence of ANCA-associated vasculitis (AAV), ie granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (EGPA), in Southern France in 2018, and evaluate differences among Europeans and non-Europeans. Methods : This population-based, cross-sectional study used four sources (hospitals, community-based physicians, laboratories, National Health Insurance) to identify adults ≥ 15 years diagnosed with GPA, MPA or EGPA, living in Hérault and Gard in 2018. Cases were defined using the ACR/EULAR classification criteria, and if necessary, the European Medicines Agency algorithm. Prevalence estimates were standardised to the world population and capture-recapture analysis was used to assess the comprehensiveness of the estimation. The influence of geographical origin was evaluated. Results : 202 patients were selected, with 86 cases of GPA (42.6%), 85 cases of MPA (42.1%), and 31 cases of EGPA (15.3%). The standardised prevalence estimates per million inhabitants for 2018 were: 103 (95%CI 84 – 125) for AAV, 48 (95%CI 35 – 64) for GPA, 39 (95%CI 28 – 53) for MPA and 16 (95%CI 9 – 26) for EGPA, 36 (95%CI 25 – 50) for anti-PR3 positive AAV, 46 (95%CI 34 – 61) for anti-MPO positive AAV, and 16 (95%CI 9 – 26) for ANCA-negative AAV. The global estimation of comprehensiveness by capture-recapture analysis was 80.5%. The number of AAV cases was higher for non-European residents (P=0.001), particularly for MPA (P<0.0001). Conclusion : We provide a new estimate of AAV prevalence in France and show a higher prevalence of MPA in non-European patients.

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hal-04238200 , version 1 (13-01-2024)

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Emma Rubenstein, Pierrick Henneton, Sophie Rivière, Marie-Laure Casanova, Jonathan Broner, et al.. Prevalence of anti-neutrophil cytoplasmic antibody-associated vasculitis in the south of France, using the capture-recapture method. Rheumatology, 2023, 63 (6), pp.1552-1559. ⟨10.1093/rheumatology/kead557⟩. ⟨hal-04238200⟩
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