Background
There is a need to evaluate & implement cost-effective strategies
to improve adherence to treatments in Coronary Heart Disease (CHD). There
are no studies from Low Middle Income Countries (LMICs) evaluating trained
Community Health Worker (CHW) based interventions for the secondary
prevention of CHD.
Methods
We designed a hospital-based, open randomized trial of CHW based
interventions versus standard care. Patients after an Acute Coronary
Syndrome (ACS) were randomized to an intervention group (a CHW based
intervention package, comprising education tools to enhance self-care and
adherence, and regular follow-up by the CHW) or to standard care for 12
months during which study outcomes were recorded. The CHWs were trained over
a period of 6 months. The primary outcome measure was medication adherence.
The secondary outcomes were differences in adherence to lifestyle
modification, physiological parameters (BP, body weight, BMI, heart rate,
lipids) and major adverse cardiovascular events.
Results
We recruited 806 patients stabilized after an ACS from 14 hospitals
in 13 Indian cities. The mean age was 56.4 (+/−11.32) and 17.2% were
females. A high prevalence of risk factors -hypertension (43.4%), diabetes
(31.9%), tobacco consumption (35.4%) and inadequate physical activity
(70.5%) were documented. A little over half had ST elevation myocardial
infarction (STEMI, 53.7%) and 46.3% had non-ST elevation myocardial
infarction (NSTEMI) or unstable angina.
Conclusion
The CHW interventions and training for SPREAD have been developed and
adapted for local use. The results and experience of this study will be
important to counter the burden of Cardiovascular Diseases (CVD) in
LMICs.
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