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Background: High blood pressure (BP) is the leading attributable risk for cardiovascular disease (CVD). In rural South Asia, hypertension remains to be a significant public health issue with sub-optimal rates of case finding and management. The goal of the full-scale study is to evaluate the effectiveness and cost-effectiveness of multicomponent primary care strategies on lowering blood pressure among adults with hypertension in rural communities in Bangladesh, Pakistan, and Sri Lanka.
Methods/Design: The mixed-methods, stratified cluster randomized controlled trial
Intervention: The multi-component interventions (MCI) is comprised of all the following five components: 1) home health education (HHE) by government community health workers (CHWs), plus 2) blood pressure (BP) monitoring and stepped-up referral to a trained general practitioner (GP) using a checklist, plus 3) training public and private providers in management of hypertension and using a checklist, plus 4) designating hypertension triage counter and hypertension care coordinators in government clinics, plus 5) a financing model to compensate for additional health services and provide subsides to low income individuals with poorly controlled hypertension.
Usual care: Will comprise existing services in the community without any additional training.
Participants: The trial will be conducted on 2550 individuals aged 40 years or older with hypertension (systolic BP ≥ 140 mm Hg or diastolic BP≥ 90 mm Hg, or on antihypertensive therapy) in 30 rural communities of Bangladesh, Pakistan and Sri Lanka. Out of the 2550 individuals, 420 with poorly controlled BP (Systolic BP≥160 mmHg or Diastolic BP≥100 mmHg) will be selected, 14 from each community, to investigate the effect of MCI on results from ambulatory BP monitoring.
Qualitative component: Stakeholders including policymakers, district managers, and community health workers, GPs, hypertensive individuals and family members in the identified clusters will be surveyed.
Outcome: The primary outcome will be change in systolic BP from baseline to follow-up at 24 months post randomization. The cost effectiveness outcome is the incremental cost of MCI per unit reduction in BP over the two year time period and in terms of incremental cost per CVD DALYs averted.
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Inclusion and exclusion criteria
Main study:
Inclusion Criteria:
Age≥ 40 years
Residing in the selected clusters
Hypertension defined either as:
Informed consent
Exclusion Criteria:
Sub-study:
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2,550 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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