To analyze the effect of accelerated rehabilitation management on pulmonary infection after knee arthroplasty for knee arthritis.

Randomized controlled clinical trials (RCTS) on the application of accelerated rehabilitation management in knee arthroplasty for knee arthritis were searched from PubMed, VIP, CNKI, Wanfang and other databases from January 2020 to February 2022, and the included literatures were analyzed by Review Manager 5.4 software. Hospital for special surgery knee score (HSS), visual analogue score (VAS) and postoperative complications were compared between accelerated rehabilitation management (observation group) and conventional rehabilitation management (control group) during perioperative period of knee replacement.

A total of 12 literatures were included. A total of 1 955 patients underwent knee replacement, of which 1007 were in the observation group and 948 were in the control group. Pulmonary infection was compared between the two groups [RR=0.18, 95%CI: 0.03-0.96, P=0.05]. Limb vein thrombosis [RR=0.33, 95%CI: 0.15-0.69, P=0.004], nausea and vomiting [RR=0.30, 95%CI: 0.10-0.09, P=0.04], while the pressure damage [RR=0.33, 95%CI: 0.07-1.61, P=0.17], infection of incision [RR=0.28, 95%CI: 0.05-1.64, P=0.16], urinary infection [RR=0.20, 95%CI: 0.02-0.17, P=0.14]. The HSS score of observation group was higher than that of control group [MD=7.83, 95%CI: 3.17-12.5, P=0.001]. There was no significant difference in VAS score between the observation group and the control group [SMD=0.39, 95%CI: -1.36-0.58, P=0.43].

Accelerated rehabilitation management can effectively improve knee joint function after knee joint replacement and play a beneficial result on lung infection and lower limb venous thrombosis, but has no obvious effect on pressure injury, incision infection and urinary infection.