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Breast cancer accounts for 25% of all cancers among Canadian females. Despite successes of decreased mortality, adverse treatment effects, such as cardiotoxicity, contribute to a sedentary lifestyle and decreased quality of life. Physical activity (PA) is a possible therapy for the late effects; however, COVID-19 restricted access to in-person cardiovascular rehabilitation (CR) programs. The purposes are as follows: (1) compare PA of breast cancer survivors' in-person CR to virtual CR following a transition during COVID-19 and (2) compare the PA of the pandemic cohort to a matched cohort who had completed the program in 2018/2019; (3) explore survivors' experiences of transitioning to and engaging in virtual CR. Mixed methods included analysis of CR PA data from a pandemic cohort (n = 18) and a 2018/2019 cohort (n = 18) and semi-structured focus group interviews with the pandemic cohort (n = 9) in the context of the PRECEDE-PROCEED model. After the transition, there were no significant differences in mean activity duration, frequency, and cumulative activity (expressed as MET-minutes) (p > 0.05). However, variation of PA duration doubled following the transition from in-person to virtual (p = 0.029), while for the 2018/2019 cohort, variation remained unchanged. Focus groups revealed that women valued their CR experiences pre-COVID-19 and had feelings of anxiety during the transition. Perceived factors affecting participation were environmental, personal, and behavioural. Recommendations for virtual programs were to increase comradery, technology, and professional guidance. PA experiences during a transition to virtual care prompted by a pandemic vary among breast cancer survivors. Targeting individualised strategies and exercise prescriptions are important for improving PA programs and patient outcomes., (© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

This mixed-method study aimed to compare physical activity (PA) patterns of a cross-over cardiac rehabilitation (CR) cohort with a center-based CR cohort and to explore barriers and facilitators of participants transitioning and engaging in virtual CR. It included the retrospective self-reported PA of a cross-over CR cohort (n = 75) and a matched center-based CR cohort (n = 75). Some of the participants included in the cross-over cohort (n = 12) attended semi-structured focus group sessions and results were interpreted in the context of the PRECEDE-PROCEED model. Differences between groups were not observed (p > 0.05). The center-based CR cohort increased exercise frequency (p = 0.002), duration (p = 0.007), and MET/minutes (p = 0.007) over time. The cross-over cohort increased exercise duration (p = 0.04) with no significant change in any other parameters. Analysis from focus groups revealed six overarching themes classified under predisposing factors (knowledge), enabling factors (external support, COVID-19 restrictions, mental health, personal reasons/preferences), and reinforcing factors (recommendations). These findings suggest an improvement of the PA levels of center-based CR cohort participants pre-pandemic and mitigated improvement in those who transitioned to a virtual CR early in the pandemic. Improving patients' exercise-related knowledge, provider endorsements, and the implementation of group videoconferencing sessions could help overcome barriers to participation in virtual CR. [ABSTRACT FROM AUTHOR]