effects of a brief motivational interviewing intervention ... · motivational interviewing...
TRANSCRIPT
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Effects of a Brief Motivational Interviewing Intervention on
Cardiac Rehabilitation Patient Adherence
Angele McGrady, Ph.DRachel Sieke B.S
Dalynn Badenhop, Ph.D.Toledo, Ohio
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Introduction
Cardiac rehabilitation produces multiple physical, emotional benefits but not all patients complete the program.
Completion rates vary
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Introduction
• Previous research of a brief intervention showed significant differences between number of sessions attended by intervention patients and intervention dropouts.
• No patients who dropped out of the intervention completed rehab
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Objectives of This Study
• Describe the effects of a 4 session motivational interviewing/relaxation intervention on retention of patients in cardiac rehab
• Reaffirm predictors of dropout in patients who do not complete rehab
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Methods
Participants were recruited from Phase II cardiac rehabilitation with history of myocardial infarction (MI), coronary artery bypass graft (CABG), stable angina, chronic heart failure (CHF), or STENT/PTCA placement
The study was IRB approved and all patients signed the consent form
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Patient SampleIntervention Group (n = 47)
Control Group (n = 49)
Age (years) 64.1 +-13.0 63.8 +-12
Female Gender 44.4% 54.5%
Cardiac Diagnosis
Myocardial Infarction 8 (17%) 9 (18%)
Coronary Artery Bypass Graft
6 (13%) 6 (13%)
Stable Angina 6 (13%) 1 (2%)
Chronic Heart Failure 7 (15%) 10 (20%)
Stent/PTCA 14 (30%) 13 (27%)
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Methods
Randomization into control or intervention group Control group: 36 sessions of cardiac rehab Intervention group: 36 sessions of cardiac
rehab and 4 sessions of motivational interviewing and relaxation
Data collected pre and post cardiac rehab: Beck Depression Inventory-II Beck Anxiety Inventory 12 minute walk test Weeks of rehab completed
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Intervention
Four 30 minute
small group sessions
Motivational interviewing: • Elicit change talk• Facilitate cognitive
restructuring• Build self-efficacy• Set realistic goalsBuild basic relaxation skills
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Intervention details
Motivational interviewing Relaxation
Session1
Identify patients personal strengths to support self-efficacy
Mindful breathing
Session2
Elicit change talk; promote optimism
Progressive relaxation
Session3
Manage negative thoughts; address barriers to adherence
Mindful breathing
Session4
Create a strategic plan to accomplish rehab goals
Progressive relaxation
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Data Analysis
Chi-square tests for categorical variables
T-tests or ANOVA tests for continuous variables
Data were analyzed using SPSS 15.0
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Results – baseline comparison
No significant differences between intervention and control groups in
Age
Beck Depression score
Beck Anxiety score
12 minute Walk test
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Results – baseline comparison
Significant differences (p < 0.05) between rehab completers and non completers in
Age (completers are older; 67 vs 58 yrs)
Baseline BDI-II (depression)
(completers lower; 7.3 vs 12.0)
Baseline BAI (anxiety)
(completers lower; 7.6 vs 13)
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Results post cardiac rehab
• No significant differences between intervention and control completers of cardiac rehab in
–Depression –Anxiety–Walk test
Reaffirming that patients who complete rehab sustain important benefits
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Results post cardiac rehab
05
1015202530
Intervention Control
Ave
rage
Nu
mb
er o
f Se
ssio
ns
Co
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p = .03
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Results post cardiac rehab
020406080
100
Intervention Control
p = .023
Per
cen
t re
hab
Sess
ion
s co
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d
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Results post cardiac rehab
Both Intervention and Control Completers finished 36 sessions of cardiac rehab
Intervention dropouts finished 17 sessions of cardiac rehab BUT control dropouts only 7
Difference is significant p < 0.01
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Discussion
The intervention was associated with:
increased number of cardiac rehab sessions completed
lower drop out rate (32% vs 44%)
The most important predictors of drop out are anxiety and depression
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Conclusion
Completion of cardiac rehab is associated with well established physical and emotional benefits
In order to increase completion rates,
MI and relaxation are recommended
Future studies will further refine the critical components of the intervention
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Limitations
Post data could not be collected for individuals who dropped out of the rehab program and could not be contacted
The study does not adequately account for non-adherence due to worsening of medical status.
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Acknowledgements
We thank the Cardiac Rehabilitation Staff at The University of Toledo College of
Medicine for their invaluable
support of this program.
Thank you for your attention.
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References McGrady, A., Burkes, R., Badenhop, D., & McGinnis, R. (2014).
Effects of a Brief Intervention on Retention of Patients in a Cardiac Rehabilitation Program. Applied Psychophysiology and Biofeedback,39, 163-170.
McGrady, A., McGinnis, R., Badenhop, D., Bentle, M., & Rajput, M. (2009). Effects of depression and anxiety on adherence to cardiac rehabilitation. Journal of Cardiopulmonary Rehabilitation and Prevention, 29 (6), 358-369.
Davis, M., Eshelman, E., & McKay, M. (2008). The relaxation & stress reduction workbook. (6th ed.). Oakland, CA: New Harbinger Publications.
Rollnick, S., Miller, W.R., & Butler, C.C. (2008). Motivational interviewing in healthcare. London: The Guilford Press.
For questions about this investigation contact: [email protected]