Short-Term Health Outcomes of a Structured Pulmonary Rehabilitation Program Implemented Within Rural Canadian Sites Compared With an Established Urban Site: A Pre-Post Intervention Observational Study

To evaluate congruence in program delivery and short-term health outcomes of a structured pulmonary rehabilitation (S-PR) program implemented at 11 Canadian rural pulmonary rehabilitation (PR) sites compared with an urban reference site. Multi-center, pre- and post-intervention, comparative, observational study. Eleven rural Canadian PR sites and 1 urban reference PR site. Adults with chronic respiratory diseases (CRDs) referred to PR. Clinicians at the reference site worked with local clinicians to implement the S-PR program in rural sites. A PR survey evaluated site congruence with the S-PR components, with congruence defined as delivering program components ≥80% in alignment with the S-PR program. Participants were enrolled in 16 sessions of group education and supervised exercise, offered twice or thrice a week. Health outcomes were tracked using a quality assurance database. Main outcomes were congruence in program delivery and changes in the 6-minute walk (6MW) distance and COPD Assessment Test (CAT). A total of 555 participants (rural n=204 and reference n=351) were included in the analyses. There was congruence in exercise and group education; however, individual education varied. Following the S-PR program, 6MW distance increased, with greater changes observed at rural sites (51±67 m at rural sites vs 30±46 m at the reference site). CAT score was reduced by -2.6±5.4 points with no difference between reference and rural sites. Changes in 6MW distance and CAT scores were similar for participants at sites that were congruent vs noncongruent with the individual education component, and similar for patients with COPD, asthma, bronchiectasis, and interstitial lung disease. The S-PR program components can be implemented with good congruence in Canadian rural settings, resulting in similar short-term health outcomes as in an established urban site and across CRDs.