Adherence to cardiac rehabilitation: prevalence, barriers, predictors and potential solutions
Authors: Supervia Pola M , Medina-Inojosa J , Smith J , Martinez Jarreta B , Leth S , Squires R W , Terzic C , Lopez-Jimenez F , Thomas R J 
Published: May 2023

Abstract

Funding Acknowledgements
Type of funding sources: None.

Background
Cardiac rehabilitation (CR) is a key component in the continuum of care for patients with CVD that reduces mortality, morbidity and rehospitalization. Clinical practice guidelines strongly recommend and encourage CR participation for eligible patients with CVD. Although there are multiple studies on barriers and solutions to improve the initiation rates of CR, a limited number of studies have explored the barriers and solutions to increase the degree of adherence to CR.

Purpose
The aim of this study was to define those characteristics that predict adherence to CR with special focus on women and employed patients, since these groups are generally understudied.

Methods
We performed a retrospective electronic medical record review of the Mayo Clinic CR program, Rochester to identify patients who had started the Mayo Clinic program between January 1, 2014 and September 30, 2015. Among patients who met the inclusion criteria, we conducted a telephone survey with the aim of defining barriers to participation and possible solutions proposed by patients to increase CR adherence. The survey included factors previously identified in the literature as possible barriers, as well as other hypothetical factors; including closed and open-ended questions. The study was approved by the Mayo Clinic institutional review board.

Results
376 patients met the inclusion criteria. 257 patients completed the survey. 240 (63.8%) returned the HIPAA (Health Information Use Authorization) document. 72 (30%) were women with a mean age of 66.4 ±12.4 years. Forty-seven percent (n = 113) of the participants did not complete the recommended course of 36 sessions of CR. Among the most important barriers, we found that schedule conflicts were more frequently noted to be a barrier to CR participation among employed patients compared to non-employed patients (p=0.04). Lack of motivation and an inadequate awareness of the importance of completing CR were significantly reported as barriers from employed and non-employed patients. Among the proposed solutions, the participants suggested the potential benefit of alternative delivery models for CR programs; as well efforts to improve awareness of the importance of CR adherence among patients and professionals.

Conclusions
This study has great relevance because it addressed barriers and potential solutions to CR adherence. Barriers such as mental stress and motivation, as well as a lack of knowledge about CR benefits highlight the role of patient counseling and education as keys to help improve CR adherence. Alternative CR delivery models are attractive options to help facilitate participation, with special focus on the employed population and women, as they more frequently report logistical barriers to CR compared to non-employed patients and men. Further research and advocacy work are needed to help identify and implement strategies that address barriers to CR adherence and completion.