Fallacies of CT based component size prediction in total knee arthroplasty – Are patient specific instruments the answer?
نویسندگان
چکیده
منابع مشابه
The Effect of Sagittal Femoral Bowing on the Femoral Component Position in Total Knee Arthroplasty
Background: In the current study, we investigated that how sagittal femoral bowing can affect the sagittal alignment ofthe femoral component in total knee arthroplasty (TKA).Methods: There were 25 patients underwent TKA. Long leg radiography in lateral view was performed. The sagittalfemoral bowing (SFB) and component alignment in relation to the sagittal mechanical axis and distal anterior cor...
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BACKGROUND Long-term survival of total knee arthroplasty (TKA) is mainly determined by optimal positioning of the components and prosthesis alignment. Implant positioning can be optimized by computer assisted surgery (CAS). Patient specific cutting blocks (PSCB) seem to have the potential to improve component alignment compared to the conventional technique and to be comparable to CAS. METHOD...
متن کاملPreliminary experience with the patient-specific templating total knee arthroplasty
BACKGROUND AND PURPOSE Patient-specific templating total knee arthroplasty (TKA) is a new method for alignment of a total knee arthroplasty that uses disposable guides. We present the results of the first 40 consecutive patients who were operated on using this technique. METHODS In this case-control study, we compared blood loss, operation time, and alignment of 40 TKAs performed using a pati...
متن کاملComponent position alignment with patient-specific jigs in total knee arthroplasty.
BACKGROUND The failure to restore mechanical alignment and appropriate rotational axis intraoperatively has been described as one of the most common causes of implant failure in total knee arthroplasty (TKA). Both conventional and computer-assisted TKA have their limitations. Patient-specific jigs (PSJ) offer a possible alternative method for TKA. The aim of this study was to investigate if the...
متن کاملTibial component rotation in total knee arthroplasty
BACKGROUND Both the range of motion (ROM) technique and the tibial tubercle landmark (TTL) technique are frequently used to align the tibial component into proper rotational position during total knee arthroplasty (TKA). The aim of the study was to assess the intra-operative differences in tibial rotation position during computer-navigated primary TKA using either the TTL or ROM techniques. The...
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ژورنال
عنوان ژورنال: Journal of Clinical Orthopaedics and Trauma
سال: 2018
ISSN: 0976-5662
DOI: 10.1016/j.jcot.2017.11.001