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Dive into the research topics where E. Dunbar is active.

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Featured researches published by E. Dunbar.


Healthcare | 2015

Leveraging HIV platforms to work toward comprehensive primary care in rural Malawi: the Integrated Chronic Care Clinic

Emily Wroe; Noel Kalanga; Bright Mailosi; Stanley Mwalwanda; Chiyembekezo Kachimanga; Kondwani Nyangulu; E. Dunbar; Lila Kerr; Lawrence Nazimera; Luckson Dullie

This case study describes an integrated chronic care clinic that utilizes a robust HIV program as a platform for NCD screening and treatment. A unique model, the integrated chronic care clinic provides longitudinal care for patients with an array of chronic diseases including HIV and common NCDs, allowing for a single visit for all of a patients conditions. Set in Malawis remote Neno District, this clinic structure aims to (1) increase access to care for NCD patients, (2) maximize efficiency given the severe human resource shortages, and (3) replicate strong HIV outcomes for patients with other chronic conditions. The goal is to increase the number of health facilities in Neno capable of fully delivering Malawis Essential Health Package, the set of cost-effective interventions endorsed by Malawi MOH to reduce burden of disease and leading causes of death. While implementation is ongoing and processes are evolving, this model of healthcare delivery has already improved the accessibility of NCD care by allowing patients to have all of their chronic conditions treated on the same day at their nearest health facility, notably without additional investment of human and financial resources. Currently, 6781 patients on antiretroviral therapy and 721 patients with NCDs are benefitting, including 379 with hypertension, 187 with asthma, 144 with epilepsy, and 76 with diabetes. Among the NCD patient population, 15.1% are HIV-positive. Success hinged largely on several factors, including clear leadership and staff ownership of their specific duties, and a well-defined and uniform patient flow process. Furthermore, deliberate and regular conversations about challenges allowed for constant iteration and improvement of processes. Moving forward, several tasks remain. We are refining the data management process to further consolidate medical records, along with integrating our tracking processes for clients who miss appointments. Additionally, we are exploring opportunities for further integration, including family planning. A follow-up patient satisfaction survey is planned for the coming months to track the impact of the clinics redesign. Given limited human and financial resources, innovative solutions are required to address the growing burden of chronic disease in Malawi. We have found that an integrated, patient-centered approach maximizes efficiency and reduces barriers to care for the hardest to reach patients.


AIDS | 2017

Impact and economic evaluation of a novel HIV service delivery model in rural Malawi

Ryan McBain; Elizabeth Petersen; Nora Tophof; E. Dunbar; Noel Kalanga; Lawrence Nazimera; Andrew Mganga; Luckson Dullie; Joia S. Mukherjee; Emily Wroe

Objective: We performed an impact and cost-effectiveness analysis of a novel HIV service delivery model in a high prevalence, remote district of Malawi with a population of 143 800 people. Design: A population-based retrospective analysis of 1-year survival rates among newly enrolled HIV-positive patients at 682 health facilities throughout Malawi, comparing facilities implementing the service delivery model (n = 13) and those implementing care-as-usual (n = 669). Methods: Through district-level health surveillance data, we evaluated 1-year survival rates among HIV patients newly enrolled between July, 2013 and June 2014 – representing 129 938 patients in care across 682 health facilities – using a multilevel modeling framework. The model, focused on social determinants of health, was implemented throughout Neno District at 13 facilities and compared with facilities in all other districts. Activity-based costing was used to annualize financial and economic costs from a societal perspective. Incremental cost-effectiveness ratios were expressed as quality-adjusted life-years gained. Results: The national average 1-year survival rate for newly enrolled antiretroviral therapy clients was 78.9%: this rate was 87.9% in Neno District, compared with 78.8% across all other districts in Malawi (P < 0.001; 95% confidence interval: 0.079–0.104). The economic cost of receiving care in Neno district (n = 6541 patients) was


BMJ Open | 2018

Evaluating the impact of a community health worker programme on non-communicable disease, malnutrition, tuberculosis, family planning and antenatal care in Neno, Malawi: protocol for a stepped-wedge, cluster randomised controlled trial

E. Dunbar; Emily Wroe; Basimenye Nhlema; Chiyembekezo Kachimanga; Ravi Gupta; Celia A. Taylor; Annie Michaelis; Katie Cundale; Luckson Dullie; Arnold Jumbe; Lawrence Nazimera; Ryan McBain; Richard Lilford; Samuel I. Watson

317/patient/year, compared with an estimated


BMJ Global Health | 2018

Delivering comprehensive HIV services across the HIV care continuum: a comparative analysis of survival and progress towards 90-90-90 in rural Malawi

Emily Wroe; E. Dunbar; Noel Kalanga; Luckson Dullie; Chiyembekezo Kachimanga; Andrew Mganga; Michael E Herce; Jason Beste; Jonas Rigodon; Lawrence Nazimera; Ryan McBain

219/patient in other districts. This translated to


Journal of Graduate Medical Education | 2017

A Novel Scenario-Based Interview Tool to Evaluate Nontechnical Skills and Competencies in Global Health Delivery

Emily Wroe; Ryan McBain; Annie Michaelis; E. Dunbar; Lisa R. Hirschhorn; Corrado Cancedda

906 per quality-adjusted life-year gained. Conclusion: Neno Districts comprehensive model of care, featuring a strong focus on the community, is


BMC Health Services Research | 2016

The impact of user fees on health services utilization and infectious disease diagnoses in Neno District, Malawi: a longitudinal, quasi-experimental study

Samuel I. Watson; Emily Wroe; E. Dunbar; Joia S. Mukherjee; Stephen Bertel Squire; Lawrence Nazimera; Luckson Dullie; Richard Lilford

98 more expensive per capita per annum but demonstrates superior 1-year survival rates, despite its remote location. Moreover, it should be considered cost-effective by traditional international standards.


Archive | 2018

Determining whether community health workers are “deployment ready” using standard setting

Celia A. Taylor; B. Nhlema; Emily Wroe; M. Aron; H. Makungwa; E. Dunbar

Introduction This protocol concerns the implementation and evaluation of an intervention designed to realign the existing cadre of community health workers (CHWs) in Neno district, Malawi to better support the care needs of the clients they serve. The proposed intervention is a ‘Household Model’ where CHWs will be reassigned to households, rather than to specific patients with HIV and/or tuberculosis (TB). Methods and analysis Using a stepped-wedge, cluster-randomised design, this study investigates whether high HIV retention rates can be replicated for non-communicable diseases (NCDs), and the model’s impact on TB and paediatric malnutrition case finding, as well as the uptake of family planning and antenatal care. Eleven sites (health centres and hospitals) were arranged into six clusters (average cluster population 21 800). Primary outcomes include retention in care for HIV and chronic NCDs, TB case finding, paediatric malnutrition case finding, and utilisation of early and complete antenatal care. Clinical outcomes are based on routinely collected data from the Ministry of Health’s District Health Information System 2 and an OpenMRS electronic medical record supported by Partners In Health. Additionally, semistructured qualitative interviews with various stakeholders will assess community perceptions and context of the Household Model. Ethics and dissemination Ethics approval has been obtained from the Malawian National Health Science Research Committee (#16/11/1694) in Lilongwe, Malawi; Partners Healthcare Human Research Committee (#2017P000548/PHS) in Somerville, Massachusetts; and the Biomedical and Scientific Research Ethics Sub-Committee (REGO-2017–2060) at the University of Warwick in Coventry, UK. Dissemination will include manuscripts for peer-reviewed publication as well as a full report detailing the findings of the intervention for the Malawian Ministry of Health. Trial registration number NCT03106727. Primary sponsor Partners In Health | Abwenzi Pa Za Umoyo P.O. Box 56, Neno, Malawi. Protocol Version 4, March 2018.


Malawi Medical Journal | 2017

Novel approaches to screening for noncommunicable diseases: Lessons from Neno, Malawi

Chiyembekezo Kachimanga; Katie Cundale; Emily Wroe; Lawrence Nazimera; Arnold Jumbe; E. Dunbar; Noel Kalanga

Introduction Partners In Health and the Malawi Ministry of Health collaborate on comprehensive HIV services in Neno, Malawi, featuring community health workers, interventions addressing social determinants of health and health systems strengthening. We conducted an observational study to describe the HIV care continuum in Neno and to compare facility-level HIV outcomes against health facilities nationally. Methods We compared facility-level outcomes in Neno (n=13) with all other districts (n=682) from 2013 to 2015 using mixed-effects linear regression modelling. We selected four outcomes that are practically useful and roughly mapped on to the 90-90-90 targets: facility-based HIV screenings relative to population, new antiretroviral therapy (ART)enrolments relative to population, 1-year survival rates and per cent retained in care at 1 year. Results In 2013, the average number of HIV tests performed, as a per cent of the adult population, was 11.75%, while the average newly enrolled patients was 10.03%. Percent receiving testing increased by 4.23% over 3 years (P<0.001, 95% CI 2.98% to 5.49%), while percent enrolled did not change (P=0.28). These results did not differ between Neno and other districts (P=0.52), despite Neno having a higher proportion of expected patients enrolled. In 2013, the average ART 1-year survival was 80.41% nationally and 91.51% in Neno, which is 11.10% higher (P=0.002, 95% CI 4.13% to 18.07%). One-year survival declined by 1.75% from 2013 to 2015 (P<0.001, 95% CI −2.61% to −0.89%); this was similar in Neno (P=0.83). Facility-level 1-year retention was 85.43% nationally in 2013 (P<0.001, 95% CI 84.2% to 86.62%) and 12.07% higher at 97.50% in Neno (P=0.001, 95% CI 5.08% to19.05%). Retention declined by 2.92% (P<0.001, 95% CI −3.69% to −2.14%) between 2013 and 2015, both nationally and in Neno. Conclusion The Neno HIV programme demonstrated significantly higher survival and retention rates compared with all other districts in Malawi. Incorporating community health workers, strengthening health systems and addressing social determinants of health within the HIV programme may help Malawi and other countries accelerate progress towards 90-90-90.


Annals of global health | 2017

Does a One Size Fit All Approach Work for Community Management of Acute Malnutrition in Rural Malawi

R. Kawonga; E. Connolly; A. Fisher; E. Dunbar; L. McMeel; S. Kapira; Emily Wroe

BACKGROUND Despite rapid growth in the number of physicians and academic institutions entering the field of global health, there are few tools that inform global health curricula and assess physician readiness for this field. OBJECTIVE To address this gap, we describe the development and pilot testing of a new tool to assess nontechnical competencies and values in global health. Competencies assessed include systems-based practice, interpersonal and cross-cultural communication, professionalism and self-care, patient care, mentoring, teaching, management, and personal motivation and experience. METHODS The Global Health Delivery Competency Assessment Tool presents 15 case vignettes and open-ended questions related to situations a global health practitioner might encounter, and grades the quality of responses on a 6-point ordinal scale. We interviewed 17 of 18 possible global health residents (94%), matched with 17 residents not training in global health, for a total of 34 interviews. A second reviewer independently scored recordings of 13 interviews for reliability. RESULTS Pilot testing indicated a high degree of discriminant validity, as measured by the instruments ability to distinguish between residents who were and were not enrolled in a global health program (P < .001). It also demonstrated acceptable consistency, as assessed by interrater reliability (κ = 0.53), with a range of item-level agreement from 84%-96%. CONCLUSIONS The tool has potential applicability to a variety of academic and programmatic activities, including evaluation of candidates for global health positions and evaluating the success of training programs in equipping practitioners for entry into this field.


Annals of global health | 2016

Using Community Health (CHWs) to increase access to maternal health services–preliminary findings from Neno, Malawi

C. Kachimanga; C. Malindi; G. Limbe; Emily Wroe; H. Makungwa; I. Musisi; E. Dunbar; J. Ng’ambi; L. Nazimera; J. Drake

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Corrado Cancedda

Brigham and Women's Hospital

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