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1.
PLoS One ; 12(7): e0180232, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28686636

RESUMO

OBJECTIVE: To estimate patients enrolling on antiretroviral therapy (ART) over time; describe trends in baseline characteristics; and compare immunological response, loss to follow-up (LTFU), and mortality by three age groups (25-39, 40-49 and ≥50 years). DESIGN: A retrospective observation cohort study. METHODS: This study used routine ART data from two public clinics in Lilongwe, Malawi. All HIV-infected individuals, except pregnant or breastfeeding women, aged ≥ 25 years at ART initiation between 2006 and 2015 were included. Poisson regression models estimated risk of mortality, stratified by age groups. RESULTS: Of 37,378 ART patients, 3,406 were ≥ 50 years old. Patients aged ≥ 50 years initiated ART with more advanced WHO clinical stage and lower CD4 cell count than their younger counterparts. Older patients had a significantly slower immunological response to ART in the first 18 months on ART compared to patients aged 25-39 years (p = 0.04). Overall mortality rates were 2.3 (95% confidence Interval (CI) 2.2-2.4), 2.9 (95% CI 2.7-3.2) and 4.6 (95% CI 4.2-5.1) per 100 person-years in patients aged 25-39 years, 40-49 years and 50 years and older, respectively. Overall LTFU rates were 6.3 (95% CI 6.1-6.5), 4.5 (95% CI 4.2-4.7), and 5.6 (95% CI 5.1-6.1) per 100 person years among increasing age cohorts. The proportion of patients aged ≥ 50 years and newly enrolling into ART care remained stable at 9% while the proportion of active ART patients aged ≥50 years increased from 10% in 2006 to 15% in 2015. CONCLUSION: Older people had slower immunological response and higher mortality. Malawi appears to be undergoing a demographic shift in people living with HIV. Increased consideration of long-term ART-related problems, drug-drug interactions and age-related non-communicable diseases is warranted.


Assuntos
Fármacos Anti-HIV/uso terapêutico , Linfócitos T CD4-Positivos/imunologia , Infecções por HIV/tratamento farmacológico , Infecções por HIV/imunologia , Adulto , Fatores Etários , Contagem de Linfócito CD4 , Linfócitos T CD4-Positivos/virologia , Feminino , Infecções por HIV/mortalidade , Infecções por HIV/virologia , Humanos , Imunidade Inata/efeitos dos fármacos , Perda de Seguimento , Malaui , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Análise de Sobrevida , Resultado do Tratamento
2.
Reprod Health Matters ; 21(41): 225-33, 2013 May.
Artigo em Inglês | MEDLINE | ID: mdl-23684205

RESUMO

Despite the resources put into HIV education programmes with young people in sub-Saharan Africa in the past two decades, there is little clear evidence of impact. Many programmes continue to be oriented towards individual behaviour change (and in reality, often sexual abstinence) with insufficient focus on understanding how societies constrain or enable individual agency in sexual decision-making and how this is affected by social norms. If education programmes do address gender they often reinforce a "male perpetrator, female victim" discourse, where girls and women are held responsible for boys' and men's sexuality as well as their own. This paper discusses the discourses around gender, sexuality and HIV constructed by young women and men (aged 16-29) in a rural Eastern Zambia village. Data on young women's and men's narratives were gathered using a participatory peer approach. Research uncovered numerous and sometimes conflicting discourses (cultural, moral, economic, and sexual) influencing young women's and men's thinking about sexuality and sexual behaviour, in particular the limited possibilities for safe consensual sex, and thus their vulnerability to HIV. The research suggests that the realities young people face are much more complex than HIV prevention strategies address. We recommend a more nuanced approach, tailored to the community contexts involved.


Assuntos
Tomada de Decisões , Identidade de Gênero , Infecções por HIV/prevenção & controle , Infecções por HIV/psicologia , Sexualidade/psicologia , Adolescente , Adulto , Características Culturais , Feminino , Humanos , Masculino , Poder Psicológico , Religião , Educação Sexual/organização & administração , Comportamento Sexual/psicologia , Sexualidade/etnologia , Adulto Jovem , Zâmbia/epidemiologia
3.
PLoS One ; 8(2): e56248, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23457534

RESUMO

BACKGROUND: Smear-positive pulmonary TB is the most infectious form of TB. Previous studies on the effect of HIV and antiretroviral therapy on TB treatment outcomes among these highly infectious patients demonstrated conflicting results, reducing understanding of important issues. METHODS: All adult smear-positive pulmonary TB patients diagnosed between 2008 and 2010 in Malawi's largest public, integrated TB/HIV clinic were included in the study to assess treatment outcomes by HIV and antiretroviral therapy status using logistic regression. RESULTS: Of 2,361 new smear-positive pulmonary TB patients, 86% had successful treatment outcome (were cured or completed treatment), 5% died, 6% were lost to follow-up, 1% failed treatment, and 2% transferred-out. Overall HIV prevalence was 56%. After adjusting for gender, age and TB registration year, treatment success was higher among HIV-negative than HIV-positive patients (adjusted odds ratio 1.49; 95% CI: 1.14-1.94). Of 1,275 HIV-infected pulmonary TB patients, 492 (38%) received antiretroviral therapy during the study. Pulmonary TB patients on antiretroviral therapy were more likely to have successful treatment outcomes than those not on ART (adjusted odds ratio : 1.83; 95% CI: 1.29-2.60). CONCLUSION: HIV co-infection was associated with poor TB treatment outcomes. Despite high HIV prevalence and the integrated TB/HIV setting, only a minority of patients started antiretroviral therapy. Intensified patient education and provider training on the benefits of antiretroviral therapy could increase antiretroviral therapy uptake and improve TB treatment success among these most infectious patients.


Assuntos
Antirretrovirais/uso terapêutico , Antituberculosos/uso terapêutico , Infecções por HIV/complicações , Infecções por HIV/tratamento farmacológico , Tuberculose Pulmonar/complicações , Tuberculose Pulmonar/tratamento farmacológico , Adolescente , Adulto , Coinfecção/complicações , Coinfecção/tratamento farmacológico , Feminino , HIV/efeitos dos fármacos , HIV/isolamento & purificação , Infecções por HIV/epidemiologia , Humanos , Pulmão/microbiologia , Pulmão/virologia , Malaui/epidemiologia , Masculino , Pessoa de Meia-Idade , Mycobacterium tuberculosis/efeitos dos fármacos , Mycobacterium tuberculosis/isolamento & purificação , Resultado do Tratamento , Tuberculose Pulmonar/diagnóstico , Tuberculose Pulmonar/epidemiologia , Adulto Jovem
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