Prevalence, risk factors and genotypes of hepatitis B infection among HIV-infected patients in the State of MS, Central Brazil

Objectives: A cross-sectional study on prevalence of HBV and HDV infection, risk factors and genotype distribution of HBV infection was conducted among 848 HIV-infected patients in Mato Grosso do Sul, Central Brazil. Methods: Serum samples of 848 participants were tested for hepatitis B surface antigen (HBsAg), hepatitis B core antibody (anti-HBc) and hepatitis surface antibody (anti-HBs). HBsAg positive samples were tested for anti-HBc IgM, HBeAg, anti-HBe, anti-HCV, and total anti-HDV. HBsAg and anti-HBc positive were subjected to DNA extraction. Viral DNA was amplified by semi-nested PCR for the regions pre-S/S and then purified and genotyped/subgenotyped by direct sequencing. Student's t-test, chi-square test and Fisher's exact test were used to compare variables and to evaluate association between HBV positivity (defined as anti-HBc and/or HBsAg positivity) and risk factors. Results: Among the 848 HIV infected patients investigated 222 had serological markers of HBV infection. The prevalence rate of HIV-HBV coinfection was 2.5% (21/848; 95% CI: 1.4–3.5%); 484 (57.1%) patients were susceptible for HBV infection. There were no cases of anti-HDV positive and only one (0.1%) anti-HCV-positive case among the HIV-HBV coinfected patients. Male gender, increasing age, family history of hepatitis, use of illicit drug, and homosexual activity were independent factors associated with HBV exposure. The phylogenetic analysis based on the S gene region revealed the presence of genotypes D (76.9%), F (15.4%) and A (7.7%) in the study sample. Conclusion: This study demonstrates the low prevalence of HIV-HBV infection and also highlights the need for early vaccination against HBV as well as testing for HBV, HCV and HDV in all HIV-infected individuals. .

Viabilidade da terapia virtual na reabilitação de pacientes com doença de Parkinson: estudo-piloto / Feasibility of virtual therapy in rehabilitation of Parkinson's disease patients: pilot study

INTRODUCTION: Among Parkinson's disease (PD) motor disabilities, postural and balance alterations are important parameters to physical therapists who need to choose specific, targeted therapies for their patients. Among many therapy options, virtual therapy is studied as to whether it can be a viable rehabilitation method. OBJECTIVE: To verify the applicability of virtual rehabilitation in PD patients for the improvement of their balance and quality of life. MATERIAL AND METHODS: Six volunteers, diagnosed to be in Stages II and III of PD (Hoehn and Yahr Scale), were recruited for this study. Patients (65 ± 13 years old) participated in activities involving Wii Fit, for a total of twelve interventions, twice per week. Clinical and qualitative methods were used for the data collection for the initial and final evaluations: Borg's Scale, Berg Functional Balance Scale, Time Up and Go, anterior and lateral functional reach and Nottingham's Scale were performed during the study. Penguin Slide, Ski Slalom, Soccer Heading and Table Tilt were the Wii games selected as a form of virtual therapy. RESULTS: The collected data were analyzed using the Wilcoxon test. Motor skill, functional capacities and quality of life were analyzed as variables of the patients' balance. Statistically significant differences were found in the following tests: Borg's Scale (p = 0.0464), Berg Functional Balance Scale (p = 0.0277), lateral functional reach to the right (p = 0.0431*) and lateral functional reach to the left (p = 0.0277). CONCLUSION: It is believed that exercises with virtual reality therapy can be a useful tool to improve the balance in PD patients.

INTRODUÇÃO: Dentre as incapacidades motoras da Doença de Parkinson (DP), as alterações posturais e de equilíbrio são parâmetros importantes para fisioterapeutas que necessitam escolher terapias específicas e direcionadas a seus pacientes. Dentre muitas opções de terapia para essa condição, a terapia virtual é estudada como um método viável para reabilitação. OBJETIVO: Verificar a aplicabilidade da reabilitação virtual em pacientes com DP para a melhora de seu equilíbrio e da qualidade de vida. MATERIAL E MÉTODOS: Seis voluntários, diagnosticados como portadores da DP nas fases II e III (escala de Hoehn e Yahr), foram recrutados para este estudo. Os pacientes (de 65 ± 13 anos) participaram de atividades envolvendo o Wii Fit, em um total de doze intervenções, duas vezes por semana. Métodos clínicos e qualitativos foram utilizados na coleta de dados para as avaliações iniciais e finais: escala de Borg, escala de equilíbrio funcional de Berg, time Up and Go, reação funcional anterior e lateral e escala de Nottingham foram aplicadas durante o estudo. Penguin Slide, Slalom Ski, Futebol e Inclinação da Mesa foram os jogos de Wii selecionados como forma de terapia virtual. RESULTADOS: Os dados coletados foram analisados utilizando o teste de Wilcoxon. Habilidade motora, capacidade funcional e qualidade de vida foram analisadas como variáveis de equilíbrio dos pacientes. Foram encontradas diferenças estatisticamente significativas nos seguintes testes: escala de Borg (p = 0.0464), escala de equilíbrio funcional de Berg (p = 0.0277), alcance lateral funcional à direita (p = 0.0431) e alcance lateral funcional à esquerda (p = 0.0277). CONCLUSÃO: Estima-se que os exercícios com terapia de realidade virtual podem ser uma ferramenta útil para melhorar o equilíbrio em pacientes com DP.