AuthorsAli Yeganeh, Mehdi Moghtadaei, Majid Abedi, Mohsen Motalebi, Alireza Poolad, Kimia Haghighifard, Mostafa Salehpour, Hosein FarahiniPublication date2019/2/10JournalJournal of Research in Orthopedic ScienceVolume6Issue1Pages0-0PublisherJournal of Research in Orthopedic ScienceDescriptionBackground Application of fix-bearing-(FB) or mobile-bearing (MB) total knee arthroplasty (TKA) is an area of controversy. Introduction of mobile-bearing implants has become an appealing option for some surgeons leading to more favorable structural and weight-bearing outcomes in TKA; however, the beneficial long-term outcome is still unclear.Objectives This study was carried out to compare TKA outcomes by MB-versus FB implants with respect to long-term outcome.Methods A total of 140 patients who met our inclusion criteria were enrolled in this retrospective cohort study from March 2015 to April 2016. They were divided into two groups of 85 patients with MB TKA and 55 subjects with FB TKA. The range of motion (ROM), knee injury and osteoarthritis outcomes score (KOOS), and patient satisfaction were compared between two groups.Results The ROM and KOOS scores were not significantly different between the two groups (P> 0.05). With regard to the patient’s satisfaction, there was no significant difference between the two groups (P> 0.05).Conclusions According to our results in this retrospective cohort study, regarding the outcome of TKA by MB versus FB implants, we showed comparable mechanical and functional outcome.
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