Lin, Chung-Ying and Yaseri, Mehdi and Pakpour, Amir H and Malm, Dan and Brostrom, Anders and Fridlund, Bengt and Burri, Andrea and Webb, Thomas L (2016) Can a Multifaceted Intervention Including Motivational Interviewing Improve Medication Adherence, Quality of Life, and Mortality Rates in Older Patients Undergoing Coronary Artery Bypass Surgery A Multicenter, Randomized Controlled Trial with 18-Month Follow-Up. Drugs Aging.
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Abstract
Background Patients undergoing coronary artery bypass graft (CABG) surgery are required to take a complex regimen of medications for extended periods, and they may have negative outcomes because they struggle to adhere to this regimen. Designing effective interventions to promote medication adherence in this patient group is therefore important. Objective The present study aimed to evaluate the longterm effects of a multifaceted intervention (psycho-education, motivational interviewing, and short message services) on medication adherence, quality of life (QoL), and mortality rates in older patients undergoing CABG surgery. Methods Patients aged over 65 years from 12 centers were assigned to the intervention (EXP; n = 144) or treatmentas- usual (TAU; n = 144) groups using cluster randomization at center level. Medication adherence was evaluated using the Medication Adherence Rating Scale (MARS), pharmacy refill rate, and lipid profile; QoL was evaluated using Short Form-36. Data were collected at baseline; 3, 6, and 18 months after intervention. Survival status was followed up at 18 months. Multi-level regressions and survival analyses for hazard ratio (HR) were used for analyses. Results Compared with patients who received TAU, the MARS, pharmacy refill rate, and lipid profile of patients in the EXP group improved 6 months after surgery (p\0.01) and remained so 18 months after surgery (p\0.01). QoL also increased among patients in the EXP group as compared with those who received TAU at 18 months postsurgery (physical component summary score p = 0.02; mental component summary score p = 0.04). HR in the EXP group compared with the TAU group was 0.38 (p = 0.04). Conclusion The findings suggest that a multifaceted intervention can improve medication adherence in older patients undergoing CABG surgery, with these improvements being maintained after 18 months. QoL and survival rates increased as a function of better medication adherence.
| Item Type: | Article |
|---|---|
| Subjects: | R Medicine > RA Public aspects of medicine |
| Divisions: | University Portal > research center > sdh |
| Depositing User: | pr SDH research |
| Date Deposited: | 09 Apr 2018 08:09 |
| Last Modified: | 09 Apr 2018 08:09 |
| URI: | http://eprints.qums.ac.ir/id/eprint/7290 |
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