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1.
Clin Infect Dis ; 2024 Apr 24.
Artigo em Inglês | MEDLINE | ID: mdl-38657086

RESUMO

BACKGROUND: Women in Africa disproportionately acquire HIV-1. Understanding which women are most likely to acquire HIV-1 can guide focused prevention with pre-exposure prophylaxis (PrEP). Our objective is to identify women at highest risk of HIV-1 and estimate PrEP efficiency at different sensitivity levels. METHODS: Nationally representative data were collected from 2015-2019 from 15 population-based household surveys. This analysis included women aged 15-49 who tested HIV-1 sero-negative or had recent HIV-1. Least absolute shrinkage and selection operator regression models were fit with 28 variables to predict recent HIV-1. Models were trained on the full population and internally cross-validated. Performance was evaluated using area under the receiver-operating-characteristic curve (AUC), sensitivity, and number needed to treat (NNT) with PrEP to avert one infection. RESULTS: Among 209,012 participants 248 had recent HIV-1 infection, representing 118 million women and 402,000 (95% CI: 309,000-495,000) new annual infections. Two variables were retained in the model: living in a subnational area with high HIV-1 viremia and having a sexual partner living outside the home. Full-population AUC was 0.80 (95% CI: 0.76-0.84); cross-validated AUC was 0.79 (95% CI: 0.75-0.84). At a sensitivity of 33%, up to 130,000 cases could be averted if 7.9 million women were perfectly adherent to PrEP; NNT would be 61. At a sensitivity of 67%, up to 260,000 cases could be averted if 25.1 million women were perfectly adherent to PrEP; the NNT would be 96. CONCLUSIONS: This risk assessment tool was generalizable, predictive, and parsimonious with tradeoffs between reach and efficiency.

2.
PLOS Glob Public Health ; 3(9): e0002081, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37768889

RESUMO

BACKGROUND: Outcomes of community antiretroviral therapy (ART) distribution (CAD), in which provider-led ART teams deliver integrated HIV services at health posts in communities, have been mixed in sub-Saharan African countries. CAD outcomes and costs relative to facility-based care have not been reported from Malawi. METHODS: We performed a retrospective cohort study in two Malawian districts (Lilongwe and Chikwawa districts), comparing CAD with facility-based ART care. We selected an equal number of clients in CAD and facility-based care who were aged >13 years, had an undetectable viral load (VL) result in the last year and were stable on first-line ART for ≥1 year. We compared retention in care (alive and no period of ≥60 days without ART) using Kaplan-Meier survival analysis and Cox regression and maintenance of VL suppression (<1,000 copies/mL) during follow-up using logistic regression. We also compared costs (in US$) from the health system and client perspectives for the two models of care. Data were collected in October and November 2020. RESULTS: 700 ART clients (350 CAD, 350 facility-based) were included. The median age was 43 years (IQR 36-51), median duration on ART was 7 years (IQR 4-9), and 75% were female. Retention in care did not differ significantly between clients in CAD (89.4% retained) and facility-based care (89.3%), p = 0.95. No significant difference in maintenance of VL suppression were observed between CAD and facility-based care (aOR: 1.24, 95% CI: 0.47-3.20, p = 0.70). CAD resulted in slightly higher health system costs than facility-based care: $118/year vs. $108/year per person accessing care; and $133/year vs. $122/year per person retained in care. CAD decreased individual client costs compared to facility-based care: $3.20/year vs. $11.40/year per person accessing care; and $3.60/year vs. $12.90/year per person retained in care. CONCLUSION: Clients in provider-led CAD care in Malawi had very good retention in care and VL suppression outcomes, similar to clients receiving facility-based care. While health system costs were somewhat higher with CAD, costs for clients were reduced substantially. More research is needed to understand the impact of other differentiated service delivery models on costs for the health system and clients.

3.
Res Sq ; 2023 Dec 21.
Artigo em Inglês | MEDLINE | ID: mdl-38196656

RESUMO

Background: New or returning ART clients are often ineligible for differentiated service delivery (DSD) models, though they are at increased risk of treatment interruption and may benefit greatly from flexible care models. Stakeholder support may limit progress on development and scale-up of interventions for this population. We qualitatively explored stakeholder perceptions of and decision-making criteria regarding DSD models for new or returning ART clients in Malawi. Methods: We conducted in-depth interviews with internationally based stakeholders (from foundations, multilateral organizations, and NGOs) and Malawi-based stakeholders (from the Malawi Ministry of Health and PEPFAR implementing partners). The interviews included two think-aloud scenarios in which participants rated and described their perceptions of 1) the relative importance of five criteria (cost, effectiveness, acceptability, feasibility, and equity) in determining which interventions to implement for new or returning ART clients and 2) their relative interest in seven potential interventions (monetary incentives, nonmonetary incentives, community-based care, ongoing peer/mentor support and counseling, eHealth, facility-based interventions, and multimonth dispensing) for the same population. The interviews were completed in English via video conference and were audio-recorded. Transcriptions were coded using ATLAS.ti version 9. We examined the data using thematic content analysis and explored differences between international and national stakeholders. Results: We interviewed twenty-two stakeholders between October 2021 and March 2022. Thirteen were based internationally, and nine were based in Malawi. Both groups prioritized client acceptability but diverged on other criteria: international stakeholders prioritized effectiveness, and Malawi-based stakeholders prioritized cost, feasibility, and sustainability. Both stakeholder groups were most interested in facility-based DSD models, such as multimonth dispensing and extended facility hours. Nearly all the stakeholders described person-centered care as a critical focus for any DSD model implemented. Conclusions: National and international stakeholders support DSD models for new or returning ART clients. Client acceptability and long-term sustainability should be prioritized to address the concerns of nationally based stakeholders. Future studies should explore the reasons for differences in national and international stakeholders' priorities and how to ensure that local perspectives are incorporated into funding and programmatic decisions.

4.
Glob Heart ; 16(1): 67, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34692392

RESUMO

Background: Cardiovascular disease and especially hypertension are a growing problem among people living with HIV (PLHIV) on antiretroviral therapy (ART) in sub-Saharan Africa. Objectives: As robust data on hypertension phenotypes associated with distinct cardiovascular risks among PLHIV are limited, we aimed to assess the frequency of white-coat (WCH), masked (MH) hypertension, and blood pressure dipping-patterns in a group of Malawian PLHIV. Methods: As part of the prospective Lighthouse-Tenofovir-Cohort-Study, we analyzed clinical, laboratory and 24-h-ambulatory blood pressure monitoring (ABPM) data of PLHIV from urban Lilongwe with treated or untreated hypertension or raised office blood pressure (OBP) during routine study-visits. Results: 118 PLHIV were included and data of 117 participants could be analyzed. Twenty-four-hour ABPM normotension was found in a total of 73 PLHIV including 14/37 on antihypertensive treatment (37.8%). Using strict definitions, i.e. normal OBP plus normal mean BP for all periods of ABPM, controlled hypertension was found in only 4/37 (10.8%) PLHIV on antihypertensive treatment while true normotension was observed in 10/24 untreated patients (41.7%) with previously diagnosed hypertension and 22/56 patients (39.3%) without a medical history of hypertension. WCH with normal BP during all periods of 24-h-ABPM was identified in 12/64 OBP-hypertensive PLHIV (18.8%), primarily in patients with grade 1 hypertension (11/41 patients; 26.8%). MH was found in 17/53 PLHIV with OBP-normotension (32.1%), predominantly in patients with high normal BP (11/20 patients; 55%). The estimated glomerular filtration rate tended to be lower in MH compared to strictly defined normotensive PLHIV (92.0±20.4 vs. 104.8±15.7 ml/min/m²). 64.1 percent of PLHIV (59.5% with 24-h hypertension and 66.7% with 24-h normotension) had abnormal systolic dipping. Conclusion: The high prevalence of WCH and MH with signs of early renal end-organ damage and an abnormal dipping in approximately 2/3 of PLHIV warrants further investigation as these factors may contribute to the increased cardiovascular risk in PLHIV in resource-limited settings like Malawi. Clinical Trial Registration: https://clinicaltrials.gov (NCT02381275), registered March 6th, 2015.


Assuntos
Infecções por HIV , Hipertensão , Pressão Sanguínea , Monitorização Ambulatorial da Pressão Arterial , Infecções por HIV/complicações , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Humanos , Hipertensão/epidemiologia , Fenótipo , Estudos Prospectivos
5.
BMC Cardiovasc Disord ; 21(1): 361, 2021 07 30.
Artigo em Inglês | MEDLINE | ID: mdl-34330218

RESUMO

BACKGROUND: In recent years, there has been greater recognition of the important role of community health volunteers in many countries and their important role informs many health programs. This include health education, provision of services such as screening, monitoring and referral to health facilities. Their roles are better understood in the areas of communicable diseases like HIV infection, Tuberculosis and Malaria however little is known about their role in non-communicable diseases. This study seeks to explore perception of CHVs' functions, tasks, and their fulfilment in identifying people with elevated blood pressure for diagnosis and monitoring of hypertension in Lilongwe, Malawi. METHODS: This was a qualitative naturalistic research design utilizing observation and semi-structured interviews with community health volunteers working in Lilongwe, Malawi. Interviews were carried out with the researcher. Participants were recruited from the ZaMaC project. An interview guide was developed with a category-guided deductive approach. The interviews were recorded through note taking. Data analysis was performed using content analysis approach. RESULTS: Community health volunteers have multiple roles in prevention and monitoring of hypertension. They act as health educators and provide lifestyle counselling. They screened for hypertension and monitored blood pressure and assisted community members to navigate the health system such as linkage to health facilities. These roles were shaped in response to community needs. CONCLUSION: This study indicates the complexities of the roles of community health volunteer in identifying people with elevated BP for diagnosis and monitoring of hypertension. Understanding community health volunteers' roles provides insight into their required competencies in provision of their daily activities as well as required training to fill in their knowledge gaps.


Assuntos
Pressão Sanguínea , Agentes Comunitários de Saúde , Atenção à Saúde , Hipertensão/diagnóstico , Voluntários , Adulto , Feminino , Educação em Saúde , Estilo de Vida Saudável , Humanos , Hipertensão/fisiopatologia , Hipertensão/terapia , Entrevistas como Assunto , Malaui , Masculino , Pessoa de Meia-Idade , Educação de Pacientes como Assunto , Pesquisa Qualitativa , Comportamento de Redução do Risco , Adulto Jovem
6.
Artigo em Inglês | MEDLINE | ID: mdl-34068818

RESUMO

Despite positive NCD policies in recent years, majority of Sub-Saharan African (SSA) health systems are inadequately prepared to deliver comprehensive first-line care for NCDs. Primary health care (PHC) settings in countries like Malawi and Zambia could be a doorway to effectively manage NCDs by moving away from delivering only episodic care to providing an integrated approach over time. As part of a collaborative health system strengthening project, we assessed and compared the preparedness and operational capacity of two target networks of public PHC settings in Lilongwe (Malawi) and Lusaka (Zambia) to integrate NCD services within routine service delivery. Data was collected and analyzed using validated health facility survey tools. These baseline assessments conducted between August 2018 and March 2019, also included interviews with 20 on-site health personnel and focal persons, who described existing barriers in delivering NCD services. In both countries, policy directives to decentralize disease-specific NCD services to the primary care level were initiated to meet increased demand but lacked operational guidance. In general, the assessed PHC sites were inadequately prepared to integrate NCDs into various service delivery domains, thus requiring further support. In spite of existing multi-faceted limitations, there was motivation among healthcare staff to provide NCD services.


Assuntos
Doenças não Transmissíveis , Atenção à Saúde , Instalações de Saúde , Humanos , Malaui , Doenças não Transmissíveis/epidemiologia , Doenças não Transmissíveis/terapia , Atenção Primária à Saúde , Zâmbia
8.
Sex Transm Infect ; 97(5): 345-350, 2021 08.
Artigo em Inglês | MEDLINE | ID: mdl-33397801

RESUMO

INTRODUCTION: Voluntary medical male circumcision (VMMC), an effective HIV prevention programme for men, is implemented in East and Southern Africa. Approximately 50% of VMMC clients are aged below 15 years. More targeted interventions to reach older men and others at higher short-term HIV risk are needed. METHODS: We implemented a quality improvement project testing the effectiveness of an active referral-based VMMC recruitment approach, targeting men attending STI clinics and those escorting partners to antenatal care (ANC) clinics, at Bwaila Hospital in Lilongwe, Malawi. We compared the proportions aged older than 15 years among men who received VMMC following referral from STI and ANC clinics with those among men referred from standard community mobilisation. We also analysed referral cascades to VMMC. RESULTS: In total, 330 clients were circumcised after referral from STI (242) and ANC (88) clinics, as compared with 3839 other clients attributed to standard community mobilisation. All clients from ANC and STI clinics were aged over 15 years, as compared with 69% from standard community mobilisation. STI clinics had a higher conversion rate from counselling to VMMC than ANC (12% vs 9%) and a higher contribution to total circumcisions performed at the VMMC clinic (6% vs 2%). CONCLUSIONS: Integrating VMMC recruitment and follow-up in STI and ANC clinics co-located with VMMC services can augment demand creation and targeting of men at risk of HIV, based on age and STI history. This approach can be replicated at least in similar health facilities with ANC and STI services in close proximity to VMMC service delivery.


Assuntos
Instituições de Assistência Ambulatorial , Circuncisão Masculina , Infecções por HIV/prevenção & controle , Participação do Paciente/métodos , Adolescente , Adulto , Necessidades e Demandas de Serviços de Saúde , Humanos , Malaui/epidemiologia , Masculino , Seleção de Pacientes , Projetos Piloto , Melhoria de Qualidade , Encaminhamento e Consulta , Programas Voluntários , Adulto Jovem
9.
J Acquir Immune Defic Syndr ; 86(2): 258-263, 2021 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-33136821

RESUMO

INTRODUCTION: Point-of-care (POC) technologies in resource-limited settings can circumvent challenges of centralized laboratory testing, improving clinical management. However, higher device costs and uncertain indications for use have inhibited scaling up POC modalities. To address this gap, we investigated the feasibility and cost of targeted near-POC viral load (VL) testing in 2 large HIV clinics in Lilongwe, Malawi. METHODS: VL testing using GeneXpert was targeted for patients suspected of treatment failure or returning to care after a previously elevated VL (>1000 copies/mL). Descriptive analysis of retrospective clinical and cost data is presented. RESULTS: Two thousand eight hundred thirteen near-POC VL tests were conducted. One thousand five hundred eleven (54%) tests were for patients for whom results and reason for the test were documented: 57% (794/1389) of tests were to confirm a previously high VL, and 33% (462/1389) were due to clinical indications. Sixty-one percent (926/1511) of patients had a high VL, of whom 78% (719/926) had a recorded clinical action: 77% (557/719) switched to second line antiretroviral therapy, and 15% (194/719) were referred for intensive adherence counseling. Eighty-two percent (567/687) of patients received a clinical action on the same day as testing. The "all-in" cost was $33.71 for a valid POC VL test, compared with an international benchmark for a centralized VL test of $28.62. CONCLUSION: Targeted, near-POC VL testing was feasible and consistently enabled prompt clinical action. The difference between the "all-in" cost of near-POC VL and centralized testing of $5.09 could be further reduced in an optimized national program by combining targeted near-POC testing and centralized testing.


Assuntos
Infecções por HIV/virologia , Sistemas Automatizados de Assistência Junto ao Leito , Testes Imediatos , Testes Sorológicos/métodos , Carga Viral/métodos , Adulto , Antirretrovirais/uso terapêutico , Custos e Análise de Custo , Feminino , Infecções por HIV/tratamento farmacológico , Humanos , Malaui , Masculino , Sistemas Automatizados de Assistência Junto ao Leito/economia , Testes Imediatos/economia , Falha de Tratamento , Adulto Jovem
10.
Clin Infect Dis ; 69(5): 829-835, 2019 08 16.
Artigo em Inglês | MEDLINE | ID: mdl-30452634

RESUMO

BACKGROUND: With antiretroviral therapy (ART), AIDS-defining cancer incidence has declined and non-AIDS-defining cancers (NADCs) are now more frequent among human immunodeficiency virus (HIV)-infected populations in high-income countries. In sub-Saharan Africa, limited epidemiological data describe cancer burden among ART users. METHODS: We used probabilistic algorithms to link cases from the population-based cancer registry with electronic medical records supporting ART delivery in Malawi's 2 largest HIV cohorts from 2000-2010. Age-adjusted cancer incidence rates (IRs) and 95% confidence intervals were estimated by cancer site, early vs late incidence periods (4-24 and >24 months after ART start), and World Health Organization (WHO) stage among naive ART initiators enrolled for at least 90 days. RESULTS: We identified 4346 cancers among 28 576 persons. Most people initiated ART at advanced WHO stages 3 or 4 (60%); 12% of patients had prevalent malignancies at ART initiation, which were predominantly AIDS-defining eligibility criteria for initiating ART. Kaposi sarcoma (KS) had the highest IR (634.7 per 100 000 person-years) followed by cervical cancer (36.6). KS incidence was highest during the early period 4-24 months after ART initiation. NADCs accounted for 6% of new cancers. CONCLUSIONS: Under historical ART guidelines, NADCs were observed at low rates and were eclipsed by high KS and cervical cancer burden. Cancer burden among Malawian ART users does not yet mirror that in high-income countries. Integrated cancer screening and management in HIV clinics, especially for KS and cervical cancer, remain important priorities in the current Malawi context.


Assuntos
Fármacos Anti-HIV/uso terapêutico , Infecções por HIV/tratamento farmacológico , Neoplasias/epidemiologia , Sistema de Registros , Adolescente , Adulto , Algoritmos , Estudos de Coortes , Efeitos Psicossociais da Doença , Registros Eletrônicos de Saúde , Feminino , Infecções por HIV/epidemiologia , Humanos , Incidência , Malaui/epidemiologia , Masculino , Pessoa de Meia-Idade , Neoplasias/complicações , Prevalência , Fatores de Risco , Sarcoma de Kaposi/epidemiologia , Neoplasias do Colo do Útero/epidemiologia , Adulto Jovem
12.
BMC Health Serv Res ; 17(1): 548, 2017 08 09.
Artigo em Inglês | MEDLINE | ID: mdl-28793895

RESUMO

BACKGROUND: The HIV epidemic has triggered the development of new health institutions with a special focus on HIV care. The role of these relatively new institutions within the health systems of low-income countries like Malawi is not clearly determined. We evaluate and describe the development of one example, the Lighthouse Trust (Lighthouse), over a period of 15 years (2000-2015). METHODS: Data from multiple sources, including a document review, participatory observation and interviews were analysed, triangulated and synthesized. The institution's development, function, cooperation, financing, research and training were analysed using institutional administrative documents, annual reviews, project reports. For the assessment of the research activities, all publications that the Lighthouse contributed to were retrieved and categorized. Participatory observation and interviews with key Lighthouse staff members and external stakeholders were conducted. RESULTS: Established in 1997 as a volunteer initiative for home-based care, the Lighthouse has developed considerably. Major steps include being registered as a trust, moving into their own buildings, expanding clinical services, becoming a centre for clinical service, training and research working with close to 300 employees. As an independent legal entity, Lighthouse Trust works in close cooperation with Malawian public health services and plays an important role in the government's HIV programme. Funding comes from various sources with a lion's share from the US Centers for Disease Control and Prevention. Throughout 2015, the Lighthouse performed 58,210 HIV testing and counselling encounters and by year's end, 28,302 patients were alive and on ART. From 2000 to 2015 Lighthouse staff contributed to 94 peer-reviewed publications. CONCLUSION: Novel institutions like the Lighthouse have been developed in the response to HIV. The Lighthouse has demonstrated its capacity to deliver health services and contributed significantly to the current level of success in addressing the disease. However, this kind of institution's position in local health care systems is still developing. The Lighthouse will need to continue to work on well-planned strategies that consider the changing landscape of health needs, health care provision and financing. Independent institutions like the Lighthouse can contribute to the development of health systems in countries like Malawi that improve health care responsiveness and quality for the entire population.


Assuntos
Programas Governamentais/organização & administração , Infecções por HIV , Organizações/organização & administração , Voluntários , Aconselhamento , Atenção à Saúde/organização & administração , Infecções por HIV/diagnóstico , Infecções por HIV/terapia , Administração de Instituições de Saúde , Pessoal de Saúde , Humanos , Malaui , Modelos Organizacionais
13.
J Acquir Immune Defic Syndr ; 75 Suppl 2: S140-S148, 2017 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-28498183

RESUMO

BACKGROUND: Many sub-Saharan African countries have adopted Option B+, a prevention of mother-to-child transmission approach providing HIV-infected pregnant and lactating women with immediate lifelong antiretroviral therapy. High maternal attrition has been observed in Option B+. Peer-based support may improve retention. METHODS: A 3-arm stratified cluster randomized controlled trial was conducted in Malawi to assess whether facility- and community-based peer support would improve Option B+ uptake and retention compared with standard of care (SOC). In SOC, no enhancements were made (control). In facility-based and community-based models, peers provided patient education, support groups, and patient tracing. Uptake was defined as attending a second scheduled follow-up visit. Retention was defined as being alive and in-care at 2 years without defaulting. Attrition was defined as death, default, or stopping antiretroviral therapy. Generalized estimating equations were used to estimate risk differences (RDs) in uptake. Cox proportional hazards regression with shared frailties was used to estimate hazard of attrition. RESULTS: Twenty-one facilities were randomized and enrolled 1269 women: 447, 428, and 394 in facilities that implemented SOC, facility-based, and community-based peer support models, respectively. Mean age was 27 years. Uptake was higher in facility-based (86%; RD: 6%, confidence interval [CI]: -3% to 15%) and community-based (90%; RD: 9%, CI: 1% to 18%) models compared with SOC (81%). At 24 months, retention was higher in facility-based (80%; RD: 13%, CI: 1% to 26%) and community-based (83%; RD: 16%, CI: 3% to 30%) models compared with SOC (66%). CONCLUSIONS: Facility- and community-based peer support interventions can benefit maternal uptake and retention in Option B+.


Assuntos
Fármacos Anti-HIV/uso terapêutico , Serviços de Saúde Comunitária , Infecções por HIV/tratamento farmacológico , Acessibilidade aos Serviços de Saúde/organização & administração , Transmissão Vertical de Doenças Infecciosas/prevenção & controle , Mães , Complicações Infecciosas na Gravidez/tratamento farmacológico , Adulto , Terapia Antirretroviral de Alta Atividade/métodos , Análise por Conglomerados , Serviços de Saúde Comunitária/organização & administração , Feminino , Infecções por HIV/prevenção & controle , Infecções por HIV/transmissão , Pesquisa sobre Serviços de Saúde , Humanos , Malaui/epidemiologia , Grupo Associado , Gravidez , Complicações Infecciosas na Gravidez/prevenção & controle , Avaliação de Programas e Projetos de Saúde , Apoio Social , Adulto Jovem
14.
Int J Infect Dis ; 56: 229-236, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-27836795

RESUMO

Ultrasound is increasingly used in point-of-care applications and has great potential to support the diagnosis of infectious diseases, especially in resource-limited settings. A cross-sectional study was performed involving 100 Malawian patients with a clinical indication for ultrasound. Furthermore, the literature on point-of-care ultrasound (POCUS) in Sub-Saharan Africa was reviewed to establish its applicability, most frequent indications, findings, and implications for treatment, and therefore relevance in POCUS curricula, with a main focus on infectious diseases. In Malawi, the main indications for ultrasound were weight loss, abdominal pain, and shortness of breath. Abnormal findings were observed in 77% of patients, the most common being enlarged abdominal lymph nodes (n=17), pericardial effusion (n=15), splenic microabscesses (n=15), and pleural effusion (n=14). POCUS led to a change in treatment in 72% of patients. The literature on the various POCUS applications used in Malawi was reviewed, including focused assessment with sonography for HIV-associated TB (FASH), heart, liver, kidney, deep venous thrombosis (DVT), and gynaecology. Based on disease prevalence, impact of POCUS on treatment, and technical difficulty, it is proposed that FASH, heart, and DVT are the most relevant POCUS applications in comparable Sub-Saharan African settings and should be incorporated in POCUS curricula.


Assuntos
Avaliação das Necessidades , Tuberculose/diagnóstico por imagem , Ultrassonografia , África Subsaariana/epidemiologia , África do Norte , Estudos Transversais , Infecções por HIV/epidemiologia , Humanos , Malaui , Sistemas Automatizados de Assistência Junto ao Leito , Prevalência , Tuberculose/epidemiologia
16.
BMC Health Serv Res ; 16: 136, 2016 04 19.
Artigo em Inglês | MEDLINE | ID: mdl-27095249

RESUMO

BACKGROUND: Informal care, the health care provided by the patient's social network is important in low income settings although its monetary value is rarely estimated. The lack of estimates of the value of informal care has led to its omission in economic evaluations but this can result in incorrect decisions about cost effectiveness of an intervention. We explore the use of contingent valuation methods of willingness to pay (WTP) and willingness to accept (WTA) to estimate the value of informal care provided to HIV infected women that are accessing antiretroviral therapy (ART) under the Option B+ approach to prevention of mother-to-child transmission (PMTCT) of HIV in Malawi. METHODS: We collected cross sectional data from 93 caregivers of women that received ART care from six health facilities in Malawi. Caregivers of women that reported for ART care on the survey day and consented to participate in the survey were included until the targeted sample size for the facility was reached. We estimated the value of informal care by using the willingness to accept (WTA) and willingness to pay (WTP) approaches. Medians were used to summarize the values and these were compared by the Wilcoxon signed-rank test. RESULTS: The median WTA to provide informal care in a month was US$30 and the median WTP for informal care was US$13 and the two were statistically different (p < 0.000). Median WTP was higher in the urban areas than in the rural areas (US$21 vs. US$13, p < 0.001) and for caregivers from households from higher wealth quintile than in the lower quintile (US$15 vs. US$13, p < 0.0462). CONCLUSION: Informal caregivers place substantial value on informal care giving. In low income settings where most caregivers are not formally employed, WTP and WTA approaches can be used to value informal care. CLINICAL TRIAL NUMBER: NCT02005835.


Assuntos
Fármacos Anti-HIV/uso terapêutico , Infecções por HIV/prevenção & controle , Transmissão Vertical de Doenças Infecciosas/prevenção & controle , Assistência ao Paciente/economia , Complicações Infecciosas na Gravidez/prevenção & controle , Adulto , Fármacos Anti-HIV/economia , Cuidadores/economia , Estudos Transversais , Feminino , Infecções por HIV/tratamento farmacológico , Infecções por HIV/economia , Gastos em Saúde/estatística & dados numéricos , Humanos , Transmissão Vertical de Doenças Infecciosas/economia , Malaui , Masculino , Aceitação pelo Paciente de Cuidados de Saúde , Assistência ao Paciente/normas , Gravidez , Complicações Infecciosas na Gravidez/tratamento farmacológico , Inquéritos e Questionários , Fatores de Tempo
17.
BMC Cancer ; 16: 65, 2016 Feb 06.
Artigo em Inglês | MEDLINE | ID: mdl-26852390

RESUMO

BACKGROUND: Survival after diagnosis is a fundamental concern in cancer epidemiology. In resource-rich settings, ambient clinical databases, municipal data and cancer registries make survival estimation in real-world populations relatively straightforward. In resource-poor settings, given the deficiencies in a variety of health-related data systems, it is less clear how well we can determine cancer survival from ambient data. METHODS: We addressed this issue in sub-Saharan Africa for Kaposi's sarcoma (KS), a cancer for which incidence has exploded with the HIV epidemic but for which survival in the region may be changing with the recent advent of antiretroviral therapy (ART). From 33 primary care HIV Clinics in Kenya, Uganda, Malawi, Nigeria and Cameroon participating in the International Epidemiologic Databases to Evaluate AIDS (IeDEA) Consortia in 2009-2012, we identified 1328 adults with newly diagnosed KS. Patients were evaluated from KS diagnosis until death, transfer to another facility or database closure. RESULTS: Nominally, 22% of patients were estimated to be dead by 2 years, but this estimate was clouded by 45% cumulative lost to follow-up with unknown vital status by 2 years. After adjustment for site and CD4 count, age <30 years and male sex were independently associated with becoming lost. CONCLUSIONS: In this community-based sample of patients diagnosed with KS in sub-Saharan Africa, almost half became lost to follow-up by 2 years. This precluded accurate estimation of survival. Until we either generally strengthen data systems or implement cancer-specific enhancements (e.g., tracking of the lost) in the region, insights from cancer epidemiology will be limited.


Assuntos
Infecções por HIV/epidemiologia , Sarcoma de Kaposi/diagnóstico , Sarcoma de Kaposi/epidemiologia , Adulto , África Subsaariana/epidemiologia , Atenção à Saúde/economia , Feminino , Seguimentos , Infecções por HIV/complicações , Infecções por HIV/economia , Humanos , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Sarcoma de Kaposi/complicações , Sarcoma de Kaposi/economia , Sarcoma de Kaposi/patologia
18.
J Fam Plann Reprod Health Care ; 42(1): 17-23, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25902815

RESUMO

BACKGROUND: Lighthouse Trust operates two public HIV testing, treatment and care clinics in Lilongwe, Malawi, caring for over 26 000 people living with HIV, 23 000 of whom are on antiretroviral treatment (ART). In August 2010, Lighthouse Trust piloted a step-wise integration of sexual and reproductive health (SRH) services into routine HIV care at its Lighthouse clinic site. The objectives were to increase uptake of family planning (FP), promote long-term reversible contraceptive methods, and increase access, screening and treatment for cervical cancer using visual inspection with acetic acid. METHODS AND RESULTS: Patients found integrated SRH/ART services acceptable; service availability appeared to increase uptake. Between August 2010 and May 2014, over 6000 women at Lighthouse received FP education messages. Of 859 women who initiated FP, 55% chose depot medroxyprogesterone acetate, 19% chose an intrauterine contraceptive device, 14% chose oral contraceptive pills, and 12% chose an implant. By May 2014, 21% of eligible female patients received cervical cancer screening: 11% (166 women) had abnormal cervical findings during screening for cervical cancer and underwent further treatment. CONCLUSIONS: Several lessons were learned in overcoming initial concerns about integration. First, our integrated services required minimal additional resources over those needed for provision of HIV care alone. Second, patient flow improved during implementation, reducing a barrier for clients seeking multiple services. Lastly, analysis of routine data showed that the proportion of women using some form of modern contraception was 45% higher at Lighthouse than at Lighthouse's sister clinic where services were not integrated (42% vs 29%), providing further evidence for promotion of SRH/ART integration.


Assuntos
Serviços de Planejamento Familiar/organização & administração , Infecções por HIV/prevenção & controle , Educação em Saúde/organização & administração , Inovação Organizacional , Adulto , Terapia Antirretroviral de Alta Atividade/métodos , Anticoncepção/estatística & dados numéricos , Feminino , Acessibilidade aos Serviços de Saúde/organização & administração , Necessidades e Demandas de Serviços de Saúde/organização & administração , Humanos , Malaui , Pessoa de Meia-Idade , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Projetos Piloto , Adulto Jovem
19.
AIDS ; 30(6): 953-62, 2016 Mar 27.
Artigo em Inglês | MEDLINE | ID: mdl-26691682

RESUMO

OBJECTIVE: To estimate the cost-effectiveness of prevention of mother-to-child transmission (MTCT) of HIV with lifelong antiretroviral therapy (ART) for pregnant and breastfeeding women ('Option B+') compared with ART during pregnancy or breastfeeding only unless clinically indicated ('Option B'). DESIGN: Mathematical modelling study of first and second pregnancy, informed by data from the Malawi Option B+ programme. METHODS: Individual-based simulation model. We simulated cohorts of 10 000 women and their infants during two subsequent pregnancies, including the breastfeeding period, with either Option B+ or B. We parameterized the model with data from the literature and by analysing programmatic data. We compared total costs of antenatal and postnatal care, and lifetime costs and disability-adjusted life-years of the infected infants between Option B+ and Option B. RESULTS: During the first pregnancy, 15% of the infants born to HIV-infected mothers acquired the infection. With Option B+, 39% of the women were on ART at the beginning of the second pregnancy, compared with 18% with Option B. For second pregnancies, the rates MTCT were 11.3% with Option B+ and 12.3% with Option B. The incremental cost-effectiveness ratio comparing the two options ranged between about US$ 500 and US$ 1300 per DALY averted. CONCLUSION: Option B+ prevents more vertical transmissions of HIV than Option B, mainly because more women are already on ART at the beginning of the next pregnancy. Option B+ is a cost-effective strategy for PMTCT if the total future costs and lost lifetime of the infected infants are taken into account.


Assuntos
Antirretrovirais/economia , Terapia Antirretroviral de Alta Atividade/economia , Análise Custo-Benefício , Infecções por HIV/tratamento farmacológico , Infecções por HIV/prevenção & controle , Transmissão Vertical de Doenças Infecciosas/prevenção & controle , Complicações Infecciosas na Gravidez/tratamento farmacológico , Antirretrovirais/administração & dosagem , Terapia Antirretroviral de Alta Atividade/métodos , Feminino , Infecções por HIV/transmissão , Humanos , Lactente , Recém-Nascido , Malaui , Masculino , Modelos Teóricos , Gravidez , Adulto Jovem
20.
Glob Health Action ; 7: 24795, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25280736

RESUMO

BACKGROUND: In recent years, scaling up of antiretroviral therapy (ART) in resource-limited settings moved impressively towards universal access. Along with these achievements, public health HIV programs are facing a number of challenges including the support of patients on lifelong therapy and the prevention of temporary/permanent loss of patients in care. Understanding reasons for treatment interruption (TI) can inform strategies for improving drug adherence and retention in care. OBJECTIVE: To evaluate key characteristics of patients resuming ART after TI at the Lighthouse Clinic in Lilongwe, Malawi, and to identify their reasons for interrupting ART. DESIGN: This study uses a mixed methods design to evaluate patients resuming ART after TI. We analysed an assessment form for patients with TI using pre-defined categories and a comments field to identify frequently stated reasons for TI. Additionally, we conducted 26 in-depth interviews to deepen our understanding of common reasons for TI. In-depth interviews also included the patients' knowledge about ART and presence of social support systems. Qualitative data analysis was based on a thematic framework approach. RESULTS: A total of 347 patients (58.2% female, average age 35.1±11.3 years) with TI were identified. Despite the presence of social support and sufficient knowledge of possible consequences of TI, all patients experienced situations that resulted in TI. Analysis of in-depth interviews led to new and distinct categories for TI. The most common reason for TI was travel (54.5%, n=80/147), which further differentiated into work- or family-related travel. Patients also stated transport costs and health-care-provider-related reasons, which included perceived/enacted discrimination by health care workers. Other drivers of TI were treatment fatigue/forgetfulness, the patients' health status, adverse drug effects, pregnancy/delivery, religious belief or perceived/enacted stigma. CONCLUSIONS: To adequately address patients' needs on a lifelong therapy, adherence-counselling sessions require provision of problem-solving strategies for common barriers to continuous care.


Assuntos
Antirretrovirais/uso terapêutico , Infecções por HIV/tratamento farmacológico , Infecções por HIV/psicologia , Adesão à Medicação/psicologia , Adolescente , Adulto , Antirretrovirais/administração & dosagem , Antirretrovirais/efeitos adversos , Continuidade da Assistência ao Paciente , Feminino , Comportamentos Relacionados com a Saúde , Conhecimentos, Atitudes e Prática em Saúde , Acessibilidade aos Serviços de Saúde , Nível de Saúde , Humanos , Malaui , Masculino , Pessoa de Meia-Idade , Pesquisa Qualitativa , Estigma Social , Apoio Social , Fatores Socioeconômicos , Meios de Transporte/economia , Adulto Jovem
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