Objective: To investigate the effect of computer navigation gap balance technology on the recovery of lower limb function after total knee arthroplasty.
Methods: The clinical data of 106 patients with knee osteoarthritis (OA) who underwent total knee arthroplasty from July 2018 to June 2019 were analyzed retrospectively. They were divided into measurement osteotomy group and space balance group according to different osteotomy techniques during total knee arthroplasty. There were 61 cases in osteotomy group, 24 males and 37 females;The age ranged from 45 to 77(63.35±4.26) years;According to K-L classification, 41 cases were grade Ⅲ and 20 cases were grade Ⅳ. intraoperative measurement osteotomy was performed. There were 45 cases in the gap balance group, 17 males and 28 females;Age 45 to 78(64.03±4.31) years;According to K-L classification, 29 cases were classified as grade Ⅲ and 16 cases as grade Ⅳ. computer navigation gap balance technology was implemented. The amount of intraoperative bleeding, operation time, incision length, hospital stay and postoperative complications were compared between two groups. The clinical efficacy was evaluated by Knee Society score(KSS) before operation and 12 months after operation.
Results: Total of 106 patients were followed up for 12 to 18(20.38±3.25) months. There were significant differences in intraoperative bleeding and operation time between two groups(<0.05). There was no significant difference in incision length and hospital stay between the two groups(>0.05). At 12 months after operation, the total score of KSS in the gap balance group (173.59±14.50) was better than that in the osteotomy group (164.95±12.10)(<0.05). There were no serious complications of poor prosthesis loosening between two groups during follow-up, and there was no significant difference in the incidence of other complications between two groups(>0.05).
Conclusion: The application of computer navigation gap balance technology in total knee arthroplasty is conducive to the recovery of lower limb function in patients with OA, and there are no serious adverse complications and high safety.
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| http://dx.doi.org/10.12200/j.issn.1003-0034.2022.01.009 | DOI Listing |
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