TEXT MESSAGE REMINDERS TO ADDRESS MEDICATION NON-ADHERENCE IN POST-MI PATIENTS: A ONE YEAR INTERVENTION STUDY

TEXT MESSAGE REMINDERS TO ADDRESS MEDICATION NON-ADHERENCE IN POST-MI PATIENTS: A ONE YEAR INTERVENTION STUDY

Abstracts significantly with a simple automated text-message exercise remind system. While the impact of this intervention on health outcomes has not ...

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Abstracts

significantly with a simple automated text-message exercise remind system. While the impact of this intervention on health outcomes has not been established, it represents a simple and scalable method for improving adherence to exercise regimens among post-MI patients.

S179 RESULTS:

One patient in the control group dropped out and therefore did not have follow-up data. Patients were an average of 63 years old; 59% were male. There were no significant baseline differences in terms of comorbities between intervention and controls patients. In the control group, adherence fell from 92% at month 1 to 70% at month 12. In the intervention group adherence dropped from 98% month 1 to 90% at month 12 (p<0.0001 for difference between intervention and control). Text messaging consistently improved adherence to post-MI medications among all evaluated subgroups. Patients  65 years and those with less education had lower baseline adherence but also showed greater improvements in adherence from the intervention (64% to 88% and 67% to 90%, respectively). CONCLUSION: Text message reminders sent from an automated computer program effectively improved adherence in post-MI patients especially in high-risk subgroups over a one year horizon. While the impact of this intervention on health outcomes has not been established, it represents a simple and scalable method for improving adherence to evidence-based therapies.

242 TEXT MESSAGE REMINDERS TO ADDRESS MEDICATION NON-ADHERENCE IN POST-MI PATIENTS: A ONE YEAR INTERVENTION STUDY AK Pandey, N Choudhry Waterloo, Ontario BACKGROUND:

Non-adherence to evidence-based cardiovascular therapies is common. One year after myocardial infarction (MI), only half of patients continue to take their secondary prevention medications as prescribed. Simple forgetfulness has been consistently identified as a contributor to non-adherence. With the proliferation of cell phones, text message could be a cost-effective method to remind patients to take their medications but this strategy has not been rigorously evaluated. METHODS: We recruited patients recently discharged after MI who were receiving care at a single cardiac rehabilitation facility. To be included patients had to be on a once daily regimen of aspirin, a beta-blocker, an angiotensin converting enzyme inhibitor or angiotensin receptor blocker and a statin. Patients without cell phones and those unable to provide informed consent in English were excluded. Eligible patients were randomized to usual care or to receive daily text message reminders at the times they were to take their prescribed medications. These messages were sent from an automated computer program developed specifically for this study and simply stated "Please take your morning medication now" and indicated which medication they should take at that time. The primary outcome was medication adherence 12 months after randomization, assessed with self-reported logs. Subgroup analyses among the elderly (age  65 years) and those with less education (grade 12 or less), were pre-specified.

243 EVALUATING THE EFFECTIVENESS OF A WEB-BASED WEIGHT LOSS PROGRAM AMONG CANADIAN MILITARY PERSONNEL S Grover, I Lowensteyn, D Shipley, E Skene, S Dancausse, E Soussan, P Rempel, S Marchand, SA Grover Montréal, Québec