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1.
Lepr Rev ; 83(1): 52-63, 2012 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-22655470

RESUMO

OBJECTIVES: We evaluated the leprosy surveillance system in the Amazon region, Brazil, 2001-2007, using evaluation guidelines from the US Centers for Disease Control and Prevention. RESULTS: We found that the leprosy surveillance system in the Amazon region is simple, presents good data quality and is representative in describing the sociodemographic profile and clinical classification of cases. The predictive value positive is high and its sensitivity is unknown. The grade two disability artificially increased in 2007 during the transition to a new version of the information system. The cases are reported, receive treatment and are discharged from the system as treatment completion in a timely fashion. Nevertheless, the dermatological and neurological examination introduces complexity to the system, which may account for the irregular data quality related to the evaluation of the disability degree, the system's lack of representativeness to describe mild neurological manifestations and low proportion of household contacts investigated. CONCLUSIONS: Despite its limitations, the leprosy surveillance system proved to be useful. Recommendations for its improvement were issued based on the results found. More data on surveillance systems in endemic countries are needed to facilitate valid comparisons between country indicators.


Assuntos
Controle de Doenças Transmissíveis/métodos , Hanseníase/prevenção & controle , Vigilância da População/métodos , Brasil/epidemiologia , Centers for Disease Control and Prevention, U.S. , Controle de Doenças Transmissíveis/normas , Coleta de Dados , Bases de Dados Factuais , Pessoas com Deficiência/estatística & dados numéricos , Pessoal de Saúde/educação , Diretrizes para o Planejamento em Saúde , Promoção da Saúde/métodos , Humanos , Hanseníase/diagnóstico , Hanseníase/epidemiologia , Hanseníase/patologia , Valor Preditivo dos Testes , Avaliação de Programas e Projetos de Saúde , Reprodutibilidade dos Testes , Projetos de Pesquisa , Inquéritos e Questionários , Fatores de Tempo , Estados Unidos
2.
Lepr Rev ; 74(4): 337-48, 2003 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-14750579

RESUMO

This retrospective study of impairments in a decentralized and integrated, routine Hansen's disease (HD) programme was done on a cohort of all new patients detected in Rondônia state from 1996 to 1999. It shows that the dynamics of impairments during treatment in Rondônia are similar to what has been published in other recent studies from Africa and Asia. Data about impairments at detection and at release from treatment (cure), the prescription of steroids, and epidemiological information are provided. Of the original 5350 new patients, 4230 patients (80%) completed multidrug therapy (MDT) and had complete data about their impairment status. At the start of treatment, 9% of the paucibacillary (PB) and 26% of the multibacillary (MB) patients had WHO grade 1 impairment. Three percent of the PB and 11% of the MB patients had visible deformities (WHO grade 2 impairment). Of the patients without impairments (grade 0) at the start of treatment, 5% of the PB and 20% of the MB patients developed impairments during treatment. Of the PB patients with a WHO impairment grade 1 at start of treatment, 34% improved and 6% got worse. Of the MB patients 34% improved and 12% became worse. In a separate study of patients from the 1997 intake, 17% of the PB and 58% of the MB patients were treated at least once with a course of steroids or thalidomide during MDT treatment. It is noted in the literature that the percentage of persons with recent nerve function impairment (NFI), nerve pain or tenderness and/or reaction reactions differs between projects. This may reflect real differences or may be caused by differences in routine monitoring and/or criteria and methods of treatment. The use of the WHO maximum score, particularly for the patients with grade 2, is not as sensitive to change as utilizing the summary of Eye, Hand and Foot (EHF) scores. If overall impairment figures are given, the proportions of MB patients may define the differences between projects, therefore it is important to analysis and present the results of PB and MB patients separately. The most simple (outcome) indicator to estimate the effectiveness of patient management would be the proportions of patients with impairment grade 0 at start of treatment who develop either grade 1 or 2 impairments during treatment. An additional (outcome) indicator could be the proportion of patients with impairment grade 1 at start of treatment who develop grade 2 impairments during treatment. Currently, no operational targets or acceptable level of performance for patient management have been set. This would be important to enable programme managers to determine if adequate patient education, treatment and follow up have been provided after the disease detection to prevent and/or minimize problems associated with the disease. The available evidence strongly suggests that reactions and impairments related to HD will continue to occur in large numbers, requiring the development of adequate infrastructures and sustainable services to detect and to manage problems associated with HD during and after MDT treatment.


Assuntos
Controle de Doenças Transmissíveis , Hanseníase/diagnóstico , Hanseníase/epidemiologia , Doenças do Sistema Nervoso Periférico/epidemiologia , Doenças do Sistema Nervoso Periférico/prevenção & controle , Adolescente , Adulto , Brasil/epidemiologia , Estudos de Coortes , Avaliação da Deficiência , Quimioterapia Combinada , Doenças Endêmicas , Feminino , Humanos , Incidência , Hansenostáticos/administração & dosagem , Hanseníase/tratamento farmacológico , Masculino , Pessoa de Meia-Idade , Prednisolona/administração & dosagem , Estudos Retrospectivos , Medição de Risco , População Rural , Índice de Gravidade de Doença , Organização Mundial da Saúde
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