A Low-Cost, Scalable Treatment Strategy for Improving Hypertension Control in Low and Middle-Income Settings: Formative Phase (Aim 1)
A Low-Cost, Scalable Treatment Strategy for Improving Hypertension Control in Low and Middle-Income Settings: Formative Phase (Aim 1)
This study includes a survey of primary healthcare facilities in Nigeria and Sri Lanka. It will aim to assess the availability and readiness of hypertension care in primary healthcare facilities, and feasibility to conduct a future randomised controlled trial.
This study also includes a survey of patients with high blood pressure who will be recruited from primary care in Sri Lanka and Nigeria. Its aim is to understand the characteristics of patients with hypertension, hypertension management and control, including use of pharmacological interventions and lifestyle management. Patients will have their blood pressure, height and weight measured. They will also be asked about their age, sex/gender, socio-economic status, medical history, and health behaviours and lifestyle.
Additionally, this study includes focus group discussions and in-depth interviews with adults with high blood pressure and their carers; healthcare providers (community health workers, nurses, and doctors or physicians); clinic administrators; and policymakers. The discussions and interviews will aim to explore experiences, practices, and views on hypertension care and the new treatment strategies. Topics will cover experiences of current high blood pressure care; service availability, accessibility, and affordability; healthcare staff training and how well they follow medical guidelines for helping patients with high blood pressure; what works well and what are the problems with helping patients with high blood pressure; experiences of patients who need help with their high blood pressure; and how well new ways of helping people with high blood pressure are received.
SARA Facility Survey Inclusion Criteria:
- primary care facility must be located in the Federal Capital Territory in Nigeria, and in the Gampaha District in Sri Lanka
Patient Cross-Sectional Survey Inclusion Criteria:
Patient Cross-Sectional Survey Exclusion Criteria:
This is a cross-sectional mixed-methods observational study including facility assessments (SARA), patient surveys, and qualitative interviews.
The cross-sectional survey of primary healthcare facilities in Nigeria and Sri Lanka will include a structured facility survey using an adapted version of World Health Organization (WHO)'s Service Availability and Readiness Assessment tool. The focus will be to capture the contemporary availability of infrastructure and human and other resources (diagnostics, medicines etc.) for hypertension care.
This study will include a patient cross-sectional survey and will recruit patients with high blood pressure from primary care facilities in Nigeria and Sri Lanka. After obtaining written informed consent, participants will be asked to share their medical records for review and respond to questions posed by the research staff. Data will be collected using a structured interviewer administered questionnaire informed by the STEPS instrument on various parameters including age, sex, height, weight, socio-economic status, medical history (current and past blood pressure, medications), and health behaviours and lifestyle interventions (smoking, alcohol consumption, diet including consumption of salt and use of salt substitutes, and physical activity). Blood pressure will be measured on the day of enrolment.
Focus group discussions and in-depth interviews with adults with hypertension and their carers; healthcare providers; clinic administrators; and policymakers will also be conducted in Sri Lanka and Nigeria as part of this study. Topics will cover experiences of current hypertension care; service availability, accessibility, and affordability; provider training and adherence to guidelines; barriers and facilitators to hypertension treatment and control; patient journey of people seeking hypertension care; and appropriateness and acceptability of the new treatment strategies in primary care.
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