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Feasibility of motivational interviewing delivered by a glaucoma educator to improve medication adherence

Authors Paul F Cook, Robert W Bremer, AJ Ayala, et al

Published 21 September 2010 Volume 2010:4 Pages 1091—1101

DOI https://doi.org/10.2147/OPTH.S12765

Review by Single-blind

Peer reviewer comments 4

Paul F Cook1, Robert W Bremer2, AJ Ayala4, Malik Y Kahook3
1College of Nursing, 2Department of Psychiatry, 3Department of Ophthalmology, School of Medicine, University of Colorado Denver, Aurora, CO, USA; 4Rocky Mountain Lions Eye Institute, University of Colorado Hospital, Aurora, CO, USA

Introduction: Adherence to glaucoma treatment is poor, potentially reducing therapeutic effects. A glaucoma educator was trained to use motivational interviewing (MI), a patient-centered counseling style, to improve adherence. This study was designed to evaluate whether MI was feasible in a busy ophthalmology practice.
Methods: Feasibility was assessed using five criteria from the National Institutes of Health Behavior Change consortium: fidelity of intervention components to MI theory; success of the training process; delivery of MI-consistent interventions by the glaucoma educator; patient receipt of the intervention based on enrollment, attrition, and satisfaction; and patient enactment of changes in motivation and adherence over the course of the intervention.
Results: A treatment manual was designed by a multidisciplinary team with expertise in health psychology, public health, and ophthalmology. The glaucoma educator received 6 hours of training including role-play exercises, self-study, and individual supervision. His MI-related knowledge and skills increased following training, and he delivered exclusively MI-consistent interventions in 66% of patient encounters. 86% (12/14) of eligible patients agreed to be randomized into glaucoma educator support or a control condition. All 8 patients assigned to the glaucoma educator completed at least 2 of 6 planned contacts, and 50% (4/8) completed all 6 contacts. Patients assigned to the glaucoma educator improved over time in both motivation and adherence.
Conclusion: The introduction of a glaucoma educator was feasible in a busy ophthalmology practice. Patients improved their adherence while participating in the glaucoma educator program, although this study was not designed to show a causal effect. The use of a glaucoma educator to improve glaucoma patients’ medication adherence may be feasible at other ophthalmology clinics, and can be implemented with a standardized training approach. Pilot data show the intervention can be implemented with fidelity, is acceptable to patients and providers, and has the potential to improve adherence.

Keywords: adherence, counseling, glaucoma, medication, training

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