We used Cochrane danger of bias (RoB) to assess examine high quality and synthesised data narratively. From 8912 hits, we involved thirteen scientific studies: eleven were at large RoB; two at average RoB. PR enhanced functional workout potential in ten studies, HRQoL in 12, and breathlessness in 9 reports. https://directivepublications.org/journal-of-respiratory-medicine-and-research/