2022
DOI: 10.2106/jbjs.rvw.20.00182
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A Comparison of Clinical Outcomes and Implant Preference of Patients with Bilateral TKA

Abstract: Background:The purpose of this retrospective study was to compare clinical outcome results, perceived function, and overall preference among patients who had undergone staged bilateral total knee arthroplasty (TKA) with a cruciate-retaining, customized implant (customized TKA, or C-TKA) in 1 knee and an off-the-shelf (OTS) implant in the contralateral knee.Methods:Forty-seven patients (94 knees) from a single study center who underwent C-TKA in 1 knee and had previously undergone TKA with an OTS implant in the… Show more

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Cited by 8 publications
(4 citation statements)
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“…Furthermore, there are three recent comparative studies on the products of both companies, which are mostly not included in meta-analyses. They show clear advantages of CMI compared to off-the shelf implants in terms of pain, mobility, overall outcome, and satisfaction for Conformis (iTotal ® ) [ 38 , 39 , 40 ] as well as Symbios (Origin ® ), with also very promising clinical and radiological results [ 41 , 42 , 43 ]. The latter comparative studies, however, might have conflicting bias as they are at least partly sponsored.…”
Section: Knee Arthroplastymentioning
confidence: 99%
“…Furthermore, there are three recent comparative studies on the products of both companies, which are mostly not included in meta-analyses. They show clear advantages of CMI compared to off-the shelf implants in terms of pain, mobility, overall outcome, and satisfaction for Conformis (iTotal ® ) [ 38 , 39 , 40 ] as well as Symbios (Origin ® ), with also very promising clinical and radiological results [ 41 , 42 , 43 ]. The latter comparative studies, however, might have conflicting bias as they are at least partly sponsored.…”
Section: Knee Arthroplastymentioning
confidence: 99%
“…Therefore, we took into account the subjective preference of each patient by directly asking them to choose between the APT and the contralateral MBT. A similar method was used in a study comparing the overall preference among patients who had undergone staged bilateral TKA with a customised implant in one knee and an off-the-shelf implant in the contralateral knee [24]. In our query, 54.8% of the patients preferred the knee that received the APT over that with the contralateral MBT.…”
Section: Discussionmentioning
confidence: 87%
“…After a mean follow-up of 2.3 years (range 0.7–3.8), they found better results for CIM TKA regarding KOOS-JR, FJS-12, pain, mobility, stability and normal feeling of the knee. In summary, 72% of the patients preferred the CIM TKA, 21% saw no difference and 6% preferred the OTS TKA [ 39 ].…”
Section: Discussionmentioning
confidence: 99%