INTRODUCTION: Data on epidemiology of neuromyelitis optica (NMO) remained scarce in the last century, but the recent development of diagnostic criteria now enables inclusion of both monophasic and relapsing NMO in epidemiologic studies. Given the rarity of NMO, multicentric studies are needed to confirm a presumed higher frequency in women and in populations of black/Asian ancestry. The Caribbean basin is a suitable area for collecting a large NMO cohort and to assess the prevalence, incidence, and mortality of this disorder. PATIENTS AND METHODS: This population-based survey of the NMO spectrum in the French West Indies (FWI) and Cuba included 151 cases. RESULTS: Ninety-eight patients (female/male ratio: 9.8) had NMO. Age of onset in NMO patients was 30.9 years. Mean annual incidence of NMO in the French West Indies for the period July 2002 to June 2007 was 0.20/100,000 inhabitants (IC 95% 0.05-0.35). Incidence rates were steady in the FWI during the 1992 to 2007 period. Decreasing mortality in the FWI during the 1992 to 2007 period explained the increasing prevalence which was 4.20/100,000 inhabitants (IC 95% 3.7-5.7) in June 2007. The prevalence of NMO in Cuba on November302004 was 0.52/100,000 inhabitants. (IC 95% 0.39-0.67). Prevalence rates did not differ significantly by ethnic group in Cuba, however, black Cubans exhibited the highest prevalence. DISCUSSION: Epidemiologic studies on NMO in each population are needed to determine whether aggressive therapies can reduce the mortality of this devastating disorder. CONCLUSION: In the Caribbean basin, NMO involves almost exclusively young women; the epidemiologic data confirm its predilection for populations of African ancestry. In the FWI, recent and aggressive therapy has lowered mortality but with an increase in the prevalence of NMO.
INTRODUCTION: Data on epidemiology of neuromyelitis optica (NMO) remained scarce in the last century, but the recent development of diagnostic criteria now enables inclusion of both monophasic and relapsing NMO in epidemiologic studies. Given the rarity of NMO, multicentric studies are needed to confirm a presumed higher frequency in women and in populations of black/Asian ancestry. The Caribbean basin is a suitable area for collecting a large NMO cohort and to assess the prevalence, incidence, and mortality of this disorder. PATIENTS AND METHODS: This population-based survey of the NMO spectrum in the French West Indies (FWI) and Cuba included 151 cases. RESULTS: Ninety-eight patients (female/male ratio: 9.8) had NMO. Age of onset in NMO patients was 30.9 years. Mean annual incidence of NMO in the French West Indies for the period July 2002 to June 2007 was 0.20/100,000 inhabitants (IC 95% 0.05-0.35). Incidence rates were steady in the FWI during the 1992 to 2007 period. Decreasing mortality in the FWI during the 1992 to 2007 period explained the increasing prevalence which was 4.20/100,000 inhabitants (IC 95% 3.7-5.7) in June 2007. The prevalence of NMO in Cuba on November302004 was 0.52/100,000 inhabitants. (IC 95% 0.39-0.67). Prevalence rates did not differ significantly by ethnic group in Cuba, however, black Cubans exhibited the highest prevalence. DISCUSSION: Epidemiologic studies on NMO in each population are needed to determine whether aggressive therapies can reduce the mortality of this devastating disorder. CONCLUSION: In the Caribbean basin, NMO involves almost exclusively young women; the epidemiologic data confirm its predilection for populations of African ancestry. In the FWI, recent and aggressive therapy has lowered mortality but with an increase in the prevalence of NMO.
Authors: Sara Salama; Hazem Marouf; M Ihab Reda; Amal R Mansour; Osama ELKholy; Michael Levy Journal: J Neuroimmunol Date: 2018-08-29 Impact factor: 3.478
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Authors: Regina Maria Papais-Alvarenga; Claudia Cristina Ferreira Vasconcelos; Adriana Carra; Ibis Soto de Castillo; Sara Florentin; Fernando Hamuy Diaz de Bedoya; Raul Mandler; Luiza Campanella de Siervi; Maria Lúcia Vellutini Pimentel; Marina Papais Alvarenga; Marcos Papais Alvarenga; Anderson Kuntz Grzesiuk; Ana Beatriz Calmon Gama Pereira; Antonio Pereira Gomes Neto; Carolina Velasquez; Carlos Soublette; Cynthia Veronica Fleitas; Denise Sisteroli Diniz; Elizabeth Armas; Elizabeth Batista; Freda Hernandez; Fernanda Ferreira Chaves da Costa Pereira; Heloise Helena Siqueira; Hideraldo Cabeça; Jose Sanchez; Joseph Bruno Bidin Brooks; Marcus Vinicius Gonçalves; Maria Cristina Del Negro Barroso; Maria Elena Ravelo; Maria Carlota Castillo; Maria Lúcia Brito Ferreira; Maria Sheila Guimarães Rocha; Monica Koncke Fiuza Parolin; Omaira Molina; Patricia Beatriz Christino Marinho; Paulo Pereira Christo; Renata Brant de Souza; Silvio Pessanha Neto; Solange Maria das Graças Camargo; Suzana Costa Machado; Vanderson Carvalho Neri; Yara Dadalti Fragoso; Helcio Alvarenga; Luiz Claudio Santos Thuler Journal: PLoS One Date: 2015-07-29 Impact factor: 3.240