Systematic review found that preoperative respiratory muscle training reduces the risk of postoperative pulmonary complications and pneumonia and length of hospital stay following open cardiac surgery. Read more on PEDro.
Cursino de Moura JF, Oliveira CB, Coelho Figueira Freire AP, Elkins MR, Pacagnelli FL (2024) Preoperative respiratory muscle training reduces the risk of pulmonary complications and the length of hospital stay after cardiac surgery: a systematic review. Journal of Physiotherapy 70:16–24