Integrating secondary prevention of rheumatic heart disease into the primary healthcare system in Northern Uganda

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Abstract
Introduction: Over 46 million people are living with rheumatic heart disease (RHD) globally, resulting in 380 000 premature deaths each year. Effective RHD prevention strategies are known but their implementation in low-resource settings has lagged. This study evaluated the feasibility and effectiveness of integrating secondary antibiotic prophylaxis into primary health centres to improve access and adherence to RHD care. Methods: We conducted a hybrid type III study using a mixed-method, pre–post design to evaluate a package of implementation strategies centred on decentralised RHD care and use of an electronic medical record in Gulu and Lira, Uganda. We combined clinical and programmatic data with provider and patient interviews to assess effectiveness, adoption and acceptability. The mean difference in the annualised percentage of days adherent to benzathine penicillin G (BPG) monthly injections predecentralisation and postdecentralisation was calculated using linear mixed effect regression. Thematic analysis was used to analyse qualitative data. Results: We decentralised 151 patients (median age 17.9 years, 64% female) from district hospitals to eight primary health centres. The percentage of days adherent to BPG was 77.2% predecentralisation and 80.5% postdecentralisation (mean difference 3.25, (95% CI −0.72 to 6.86), p=0.081), which was statistically non-inferior at the −10% non-inferiority margin. Interview data identified knowledge, confidence and intrinsic motivation as major determinants of provider adoption. Patients expressed mixed feelings towards pain control and provider services, but convenience and financial savings resulted in a high level of acceptability. The electronic registry presented challenges in a naive environment but showed a strong potential as an oversight tool at the district level. Discussion: This study is the first to demonstrate that decentralised RHD care is effective in sub-Saharan Africa. Lessons learnt provide a platform for future integration of RHD services countrywide, with implications for increasing access to and scale-up of secondary prevention measures for RHD care in Uganda.
Funding Information
  • American Heart Association (20SFRN35380042, UL1TR002548)

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