SUS avança no tratamento de pessoas com hanseníase

Pacientes com hanseníase paucibacilar, uma forma menos agressiva da doença, passam a contar com novo tratamento no Sistema Único de Saúde (SUS)

Trends of leprosy and multibacillary infection in the state of Georgia since the early 1900s.

Few investigations to date have analyzed the epidemiology of Hansen's disease (leprosy) in the United States, and in particular, if birth location is related to multibacillary versus paucibacillary leprosy. We collected data on 123 patients diagnosed with leprosy in Georgia from the National Hansen's Disease Program from 1923-January 2018. A logistic regression model was built to examine the relationship between country of origin (U.S.-born or immigrant) and the type of leprosy. While the model showed no significant relationship between country of origin and type of leprosy, being Asian or Pacific Islander was associated with a higher odds of multibacillary disease (aOR = 5.71; 95% CI: 1.25-26.29). Furthermore, since the early 1900s, we found an increasing trend of leprosy reports in Georgia among both domestic born and immigrant residents, despite the overall decrease in cases in the United States during the same time period. More research is therefore necessary to further evaluate risk for multibacillary leprosy in certain populations and to create targeted interventions and prevention strategies.

Factors associated with leprosy in a municipality of the Pre-Amazon region, state of Maranhão, Brazil.

INTRODUCTION: The Integrated Program of Leprosy Control was initiated in the municipality of Buriticupu, Maranhão, Brazil, an area considered hyperendemic for leprosy in 2003. It aims at assessing the clinical and epidemiological characteristics of the disease to reduce the detection rate of new cases until 2015. Here, we present the evolution of the indicators of leprosy within the period from 2003 to 2015. METHODS: We conducted a descriptive analytical study based on the active search for and voluntary referral of cases of leprosy. The detection rate of new cases was analyzed over time. We included individuals diagnosed with leprosy between January 2003 and December 2015. The association between categorical variables was assessed using the chi-square test of independence, considering a level of significance of 5%. When the association was significant, the detection rate (with a confidence interval of 95%) was calculated. RESULTS: Overall, 879 new leprosy cases were detected; the majority of the affected individuals were men (65.9%). Multibacillary leprosy was the most common type of the disease, according to the operational classification (55.5%); it showed the strongest association with an age ≥60 years. We also detected an association between the male sex and both, lepromatous and multibacillary leprosy. The detection rate reduced from 211.09/100,000 population in 2003 to 50.26/100,000 population in 2015. CONCLUSIONS: We found an improvement in leprosy control, with a reduction in the detection rate and the absolute number of cases. Strengthening of disease control measures should be prioritized to eliminate leprosy as a public health concern in this municipality.

Factors associated with leprosy in a municipality of the Pre-Amazon region, state of Maranhão, Brazil

Abstract INTRODUCTION: The Integrated Program of Leprosy Control was initiated in the municipality of Buriticupu, Maranhão, Brazil, an area considered hyperendemic for leprosy in 2003. It aims at assessing the clinical and epidemiological characteristics of the disease to reduce the detection rate of new cases until 2015. Here, we present the evolution of the indicators of leprosy within the period from 2003 to 2015. METHODS: We conducted a descriptive analytical study based on the active search for and voluntary referral of cases of leprosy. The detection rate of new cases was analyzed over time. We included individuals diagnosed with leprosy between January 2003 and December 2015. The association between categorical variables was assessed using the chi-square test of independence, considering a level of significance of 5%. When the association was significant, the detection rate (with a confidence interval of 95%) was calculated. RESULTS: Overall, 879 new leprosy cases were detected; the majority of the affected individuals were men (65.9%). Multibacillary leprosy was the most common type of the disease, according to the operational classification (55.5%); it showed the strongest association with an age ≥60 years. We also detected an association between the male sex and both, lepromatous and multibacillary leprosy. The detection rate reduced from 211.09/100,000 population in 2003 to 50.26/100,000 population in 2015. CONCLUSIONS: We found an improvement in leprosy control, with a reduction in the detection rate and the absolute number of cases. Strengthening of disease control measures should be prioritized to eliminate leprosy as a public health concern in this municipality.

[Leprosy trends following implementation of an intervention project in a state capital in the North of Brazil, 2002-2016]. / Tendências da hanseníase após implementação de um projeto de intervenção em uma capital da Região Norte do Brasil, 2002-2016.

The project Palmas Free of Leprosy was implemented to improve indicators and deal with the disease, since the capital of Tocantins State is the most hyperendemic state capital in Brazil. This study measures the impact of the project's intervention through trend analysis of the priority indicators in Palmas, from 2002 to 2016. The study was based on an analysis of data from the Brazilian Information System for Notifiable Diseases (SINAN) and reports of applied training courses with problem-solving methodology. The indicators for new leprosy cases in Palmas residents were investigated, and the trends were identified by joinpoint regression analysis to assess the results. In the year the intervention project was implemented (2016), the detection rate for new cases in the overall population was 236.3/100,000 inhabitants, and this indicator showed a significant decrease of -7.5% from 2002 to 2014. From 2014 to 2016, there was a significant increase of 104.6% in overall detection. The detection rate in individuals under 15 years of age also showed a reduction of -4.6%, but in the years 2014, 2015, and 2016 there was an increase of 111.1%, together with detection rates for grades 0, 1, and 2, with 59.3%, 225.2%, and 121.7%, respectively. The proportion of cases detected by contact assessment showed a significant increase of 201.1% from 2014 to 2016. The data proved the effectiveness and potentiality of the project's intervention strategy for the diagnosis and control of leprosy in Palmas. The study provided evidence that timely diagnosis by primary care services results in indicators that reflect the real incidence of cases.

O projeto Palmas Livre da Hanseníase foi implementado para o incremento dos indicadores e o enfrentamento da doença, visto que a capital do Tocantins é a mais hiperendêmica do país. Este estudo mede o impacto da intervenção do projeto por meio da análise da tendência de indicadores prioritários em Palmas, 2002-2016. Baseia-se em análise de dados advindos do Sistema de Informação de Agravos de Notificação (SINAN) e de relatórios de capacitações aplicadas com metodologia de problematização. Os indicadores dos casos novos de hanseníase residentes em Palmas foram investigados, e suas tendências foram identificadas por análise de regressão joinpoint para avaliação dos resultados. No ano de implementação do projeto de intervenção (2016), o coeficiente de detecção de casos novos na população geral foi de 236,3/100 mil habitantes, e esse indicador apresentava decréscimo significativo de -7,5% no período de 2002 a 2014. Nos anos entre 2014 e 2016, houve aumento significativo de 104,6% para a detecção geral. O coeficiente de detecção em menores de 15 anos também apresentava queda de -4,6%, mas nos anos de 2014, 2015 e 2016, houve aumento de 111,1%, juntamente com os coeficientes de detecção de casos com grau 0, 1 e 2, com 59,3%, 225,2% e 121,7%, respectivamente. A proporção de casos detectados por avaliação de contatos teve acréscimo significativo de 201,1% no período de 2014 a 2016. Os dados comprovaram a efetividade e potencialidade da estratégia de intervenção do projeto para as ações de diagnóstico e controle da hanseníase em Palmas. Trouxe evidências de que a agilidade diagnóstica dos serviços de atenção primária resulta em indicadores que refletem a incidência real de casos.

El proyecto Palmas Libre de Hanseniasis se implementó para el incremento de indicadores y combate a la enfermedad, dado que la capital de Tocantins es la más hiperendémica de Brasil. Este estudio mide el impacto de la intervención del proyecto, mediante el análisis de la tendencia de indicadores prioritarios en Palmas, 2002-2016. Se basa en un análisis de datos procedentes del Sistema de Información sobre Enfermedades de Notificación Obligatoria (SINAN por sus siglas en portugués) y de informes de capacitaciones, aplicadas con metodología de problematización. Se investigaron los indicadores de casos nuevos de hanseniasis, en residentes de Palmas, y se identificaron sus tendencias mediante análisis de regresión joinpoint para la evaluación de los resultados. En el año de implementación del proyecto de intervención (2016), el coeficiente de detección de casos nuevos en la población general fue de 236,3/100 mil habitantes, y ese indicador presentaba una disminución significativa de un -7,5%, durante el período de 2002 a 2014. Entre los años de 2014 a 2016, hubo un aumento significativo de un 104,6% en la detección general. El coeficiente de detección en menores de 15 años también presentaba una bajada de -4,6%, pero durante los años de 2014, 2015 y 2016, hubo un aumento de 111,1%, junto a los coeficientes de detección de casos con grado 0, 1 y 2, con un 59,3%, 225,2% y 121,7%, respectivamente. La proporción de casos detectados por la evaluación de contactos tuvo un aumento significativo de un 201,1%, durante el período de 2014 a 2016. Los datos comprobaron la efectividad y potencialidad de la estrategia de intervención del proyecto para las acciones de diagnóstico y control de la hanseniasis en Palmas. Hubo evidencias de que la agilidad diagnóstica de los servicios de atención primaria se traduce en indicadores que reflejan la incidencia real de casos.

Mycobacterium leprae Recombinant Antigen Induces High Expression of Multifunction T Lymphocytes and Is Promising as a Specific Vaccine for Leprosy.

Leprosy is a chronic disease caused by M. leprae infection that can cause severe neurological complications and physical disabilities. A leprosy-specific vaccine would be an important component within control programs but is still lacking. Given that multifunctional CD4 T cells [i.e., those capable of simultaneously secreting combinations of interferon (IFN)-γ, interleukin (IL)-2, and tumor necrosis factor (TNF)] have now been implicated in the protective response to several infections, we tested the hypothesis if a recombinant M. leprae antigen-specific multifunctional T cells differed between leprosy patients and their healthy contacts. We used whole blood assays and peripheral blood mononuclear cells to characterize the antigen-specific T cell responses of 39 paucibacillary (PB) and 17 multibacillary (MB) leprosy patients and 31 healthy household contacts (HHC). Cells were incubated with either crude mycobacterial extracts (M. leprae cell sonicate-MLCS) and purified protein derivative (PPD) or recombinant ML2028 protein, the homolog of M. tuberculosis Ag85B. Multiplex assay revealed antigen-specific production of IFN-γ and IL-2 from cells of HHC and PB, confirming a Th1 bias within these individuals. Multiparameter flow cytometry then revealed that the population of multifunctional ML2028-specific T cells observed in HHC was larger than that observed in PB patients. Taken together, our data suggest that these multifunctional antigen-specific T cells provide a more effective response against M. leprae infection that prevents the development of leprosy. These data further our understanding of M. leprae infection/leprosy and are instructive for vaccine development.

Tendências da hanseníase após implementação de um projeto de intervenção em uma capital da Região Norte do Brasil, 2002-2016 / Leprosy trends following implementation of an intervention project in a state capital in the North of Brazil, 2002-2016 / Tendencias de la hanseniasis tras la implementación de un proyecto de intervención en una capital de la región norte de Brasil, 2002-2016

Resumo: O projeto Palmas Livre da Hanseníase foi implementado para o incremento dos indicadores e o enfrentamento da doença, visto que a capital do Tocantins é a mais hiperendêmica do país. Este estudo mede o impacto da intervenção do projeto por meio da análise da tendência de indicadores prioritários em Palmas, 2002-2016. Baseia-se em análise de dados advindos do Sistema de Informação de Agravos de Notificação (SINAN) e de relatórios de capacitações aplicadas com metodologia de problematização. Os indicadores dos casos novos de hanseníase residentes em Palmas foram investigados, e suas tendências foram identificadas por análise de regressão joinpoint para avaliação dos resultados. No ano de implementação do projeto de intervenção (2016), o coeficiente de detecção de casos novos na população geral foi de 236,3/100 mil habitantes, e esse indicador apresentava decréscimo significativo de -7,5% no período de 2002 a 2014. Nos anos entre 2014 e 2016, houve aumento significativo de 104,6% para a detecção geral. O coeficiente de detecção em menores de 15 anos também apresentava queda de -4,6%, mas nos anos de 2014, 2015 e 2016, houve aumento de 111,1%, juntamente com os coeficientes de detecção de casos com grau 0, 1 e 2, com 59,3%, 225,2% e 121,7%, respectivamente. A proporção de casos detectados por avaliação de contatos teve acréscimo significativo de 201,1% no período de 2014 a 2016. Os dados comprovaram a efetividade e potencialidade da estratégia de intervenção do projeto para as ações de diagnóstico e controle da hanseníase em Palmas. Trouxe evidências de que a agilidade diagnóstica dos serviços de atenção primária resulta em indicadores que refletem a incidência real de casos.

Abstract: The project Palmas Free of Leprosy was implemented to improve indicators and deal with the disease, since the capital of Tocantins State is the most hyperendemic state capital in Brazil. This study measures the impact of the project's intervention through trend analysis of the priority indicators in Palmas, from 2002 to 2016. The study was based on an analysis of data from the Brazilian Information System for Notifiable Diseases (SINAN) and reports of applied training courses with problem-solving methodology. The indicators for new leprosy cases in Palmas residents were investigated, and the trends were identified by joinpoint regression analysis to assess the results. In the year the intervention project was implemented (2016), the detection rate for new cases in the overall population was 236.3/100,000 inhabitants, and this indicator showed a significant decrease of -7.5% from 2002 to 2014. From 2014 to 2016, there was a significant increase of 104.6% in overall detection. The detection rate in individuals under 15 years of age also showed a reduction of -4.6%, but in the years 2014, 2015, and 2016 there was an increase of 111.1%, together with detection rates for grades 0, 1, and 2, with 59.3%, 225.2%, and 121.7%, respectively. The proportion of cases detected by contact assessment showed a significant increase of 201.1% from 2014 to 2016. The data proved the effectiveness and potentiality of the project's intervention strategy for the diagnosis and control of leprosy in Palmas. The study provided evidence that timely diagnosis by primary care services results in indicators that reflect the real incidence of cases.

Resumen: El proyecto Palmas Libre de Hanseniasis se implementó para el incremento de indicadores y combate a la enfermedad, dado que la capital de Tocantins es la más hiperendémica de Brasil. Este estudio mide el impacto de la intervención del proyecto, mediante el análisis de la tendencia de indicadores prioritarios en Palmas, 2002-2016. Se basa en un análisis de datos procedentes del Sistema de Información sobre Enfermedades de Notificación Obligatoria (SINAN por sus siglas en portugués) y de informes de capacitaciones, aplicadas con metodología de problematización. Se investigaron los indicadores de casos nuevos de hanseniasis, en residentes de Palmas, y se identificaron sus tendencias mediante análisis de regresión joinpoint para la evaluación de los resultados. En el año de implementación del proyecto de intervención (2016), el coeficiente de detección de casos nuevos en la población general fue de 236,3/100 mil habitantes, y ese indicador presentaba una disminución significativa de un -7,5%, durante el período de 2002 a 2014. Entre los años de 2014 a 2016, hubo un aumento significativo de un 104,6% en la detección general. El coeficiente de detección en menores de 15 años también presentaba una bajada de -4,6%, pero durante los años de 2014, 2015 y 2016, hubo un aumento de 111,1%, junto a los coeficientes de detección de casos con grado 0, 1 y 2, con un 59,3%, 225,2% y 121,7%, respectivamente. La proporción de casos detectados por la evaluación de contactos tuvo un aumento significativo de un 201,1%, durante el período de 2014 a 2016. Los datos comprobaron la efectividad y potencialidad de la estrategia de intervención del proyecto para las acciones de diagnóstico y control de la hanseniasis en Palmas. Hubo evidencias de que la agilidad diagnóstica de los servicios de atención primaria se traduce en indicadores que reflejan la incidencia real de casos.

Leprosy profiles in post-elimination stage: a tertiary care hospital experience.

BACKGROUND: Most countries that were previously highly endemic for leprosy have achieved elimination at the national level. OBJECTIVES: To find out the pattern, prevalence, and trends of leprosy in the post-elimination stage. METHODS: A descriptive retrospective cross-sectional study was carried out using the registered records of patients attending the leprosy clinic in Chittagong Medical College Hospital between the periods 2001 and 2011. RESULTS: The new case detection rate was declining. The prevalence rate was 0.75 at the end of 2011. Of a total of 789 patients, males (74%) outnumbered the females (26%). The age of the patients in the study group ranged from 6 years to 87 years with mean age 35.58 years ± 0.05 SEM. Paucibacillary (PB) and multibacillary (MB) cases were 314 (39.80%) and 475 (60.20%), respectively. MB percentage was increasing more among new cases in the study period, and 119 (15.08%) patients presented with grade 2 deformities. Smear positive cases were 141 (17.87%). Leprosy reaction comprised of 193 (24.46%) type 1, 68 (8.62%) type 2, and 97 (12.29%) neuritis cases. LIMITATIONS: This is a retrospective study from a single tertiary health center. CONCLUSION: MB cases with grade 2 deformities are in an upward trend, and rates of children are declining. Developing reinforced new therapies to curb reactions, deformities are very important and contact tracing, especially of children, is essential. Domiciliary treatment needs to be made available to ensure early diagnosis.

Clinical manifestations of leprosy after BCG vaccination: an observational study in Bangladesh.

BACKGROUND: Although BCG is used as a vaccine against tuberculosis, it also protects against leprosy. Previous evaluation over 18 years of an intervention of two doses BCG for 3536 household contacts of leprosy patients showed that 28 (23%) out of 122 contacts diagnosed with leprosy, developed symptoms 2-10 months after vaccination. This study describes contacts of leprosy patients in Bangladesh who developed leprosy within 12 weeks after receiving a single BCG dose. METHODS: A cluster RCT in Bangladesh aims to study the effectiveness of the BCG vaccine versus BCG in combination with single dose rifampicin (SDR) given 2 to 3 months after BCG, in the prevention of leprosy among contacts of newly diagnosed leprosy patients. During the first 1,5 years of this ongoing trial we identified contacts who developed leprosy within the first 12 weeks after receiving BCG vaccination, the timeframe before SDR is given. RESULTS: We identified 21 contacts who developed leprosy within 12 weeks after BCG vaccination among 5196 vaccinated contacts (0.40%). All 21 cases presented with paucibacillary (PB) leprosy, including children and adults. About half of these cases had previously received BCG vaccination as indicated by the presence of a BCG scar; 43% presented with signs of nerve function impairment and/or Type 1 (reversal) reaction, and 56% of the index patients had multibacillary (MB) leprosy. CONCLUSION: An unexpectedly high proportion of healthy contacts of leprosy patients presented with PB leprosy within 12 weeks after receiving BCG vaccination, possibly as a result of boosted cell-mediated immunity by homologues of Mycobacterium leprae antigens in BCG. Various immunological mechanisms could underlie this phenomenon, including an immune reconstitution inflammatory syndrome (IRIS). Further studies are required to determine whether BCG vaccination merely altered the incubation period or actually changed the course of the infection from self-limiting, subclinical infection to manifest disease.

Leprosy beyond MDT: study of follow-up of 100 released from treatment cases.

Appearance of new skin and/or nerve lesions during or after fixed duration of multidrug therapy (MDT), in leprosy, is not uncommon. It could be a lesion due to leprosy reaction or relapse. Differentiation is easy in classical reactions both clinically and histopathologically. But, difficult in other situations especially when the relapse cases present with features of reaction at the onset. A study was done to find the reasons for released from treatment (RFT) cases to come to clinic and to follow in terms of clinical and neurological activity, leprosy reactions and deformity progression. Out of them, 14 cases and 86 cases had received paucibacillary (PB) and multibacillary (MB) multidrug therapy respectively. Skin lesions either old or new were noticed in 74% cases which might be due to inactivity or activity were noticed in 74% cases which might be due to inactivity or activity in forms of relapse and reaction. Relapse was seen in 26 cases. Out of these, 10 and 16 cases were previously diagnosed as PB and MB cases respectively. PB cases relapsed into MB cases while MB cases relapsed into MB cases. 46 cases presented with either type 1 or type 2 reaction. After declared as RFT, parasthesia in 34 cases, weakness in 18 cases, paresis and paralytic deformity in 6 cases were seen. So, all the RFT cases need regular follow-up, IEC and physiotherapy to prevent deformity and to diagnose relapse and reactions at the earliest.