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Pain due to multiple sclerosis: analysis of the prevalence and economic burden in Canada.
Piwko, Charles; Desjardins, Olivier B; Bereza, Basil G; Machado, Marcio; Jaszewski, Barbara; Freedman, Mark S; Einarson, Thomas R; Iskedjian, Michael.
Afiliação
  • Piwko C; PharmIdeas Research and Consulting Inc, Oakville, Ontario, Canada. cpiwko@pharmideas.com
Pain Res Manag ; 12(4): 259-65, 2007.
Article em En | MEDLINE | ID: mdl-18080044
BACKGROUND: Multiple sclerosis (MS) is a neurological disease affecting approximately 50,000 Canadians. Although studies have described overall MS costs, none have focused specifically on MS-related pain. OBJECTIVES: To estimate the prevalence of MS-related pain in Canada, the proportion of patients treated and responding to treatment for MS-related pain, and the associated economic burden. METHODS: Results were captured through physician and patient surveys. Patients were recruited through MS clinics and the MS Society. Patient-reported outcomes and resource utilization over the previous six months were collected by telephone interview. Costs were measured in 2004 Canadian dollars. The economic burden was extrapolated to the population using national demographics and prevalence. Spearman's rho assessed the relationship between cost and pain severity. RESULTS: Physicians estimated that 46% of their MS patients experienced MS-related pain, and that 35% received treatment for pain. Pain was reported to be relieved somewhat in 29%+/-10% of their patients, adequately in 26%+/-19% and poorly in 27%+/-13%, while 17%+/-9% received no relief. Two hundred ninety-seven participants completed the patient survey. Seventy-one per cent (211 of 297 patients) experienced MS-related pain. Eighty per cent of patients reported taking some type of medication to manage their pain, and of these, 82% reported some reduction in pain. The mean +/- SD direct cost per patient of MS-related pain was dollars 2,528+/-5,695. The mean +/- SD indirect cost per patient was dollars 669+/-875. Total costs were positively correlated with levels of self-reported pain (rho=0.291, rho<0.0001). The estimated six-month burden of pain of MS patients in Canada was dollars 79,444,888. CONCLUSIONS: The prevalence of pain is high in MS patients. This condition may be underdiagnosed and undertreated, and results in a significant economic burden on society.
Assuntos

Texto completo: 1 Temas: ECOS / Aspectos_gerais / Financiamentos_gastos Bases de dados: MEDLINE Assunto principal: Dor / Efeitos Psicossociais da Doença / Esclerose Múltipla Tipo de estudo: Health_economic_evaluation / Prevalence_studies / Risk_factors_studies Aspecto: Patient_preference Limite: Adult / Female / Humans / Male / Middle aged País/Região como assunto: America do norte Idioma: En Revista: Pain Res Manag Assunto da revista: NEUROLOGIA / PSICOFISIOLOGIA Ano de publicação: 2007 Tipo de documento: Article País de afiliação: Canadá

Texto completo: 1 Temas: ECOS / Aspectos_gerais / Financiamentos_gastos Bases de dados: MEDLINE Assunto principal: Dor / Efeitos Psicossociais da Doença / Esclerose Múltipla Tipo de estudo: Health_economic_evaluation / Prevalence_studies / Risk_factors_studies Aspecto: Patient_preference Limite: Adult / Female / Humans / Male / Middle aged País/Região como assunto: America do norte Idioma: En Revista: Pain Res Manag Assunto da revista: NEUROLOGIA / PSICOFISIOLOGIA Ano de publicação: 2007 Tipo de documento: Article País de afiliação: Canadá