Mechanical Bond Strength of the Cement–Tibial Component Interface in Total Knee Arthroplasty

2006 ◽  
Vol 21 (6) ◽  
pp. 883-888 ◽  
Author(s):  
Gavin T. Pittman ◽  
Christopher L. Peters ◽  
Jerod L. Hines ◽  
Kent N. Bachus
Keyword(s):  
Total Knee Arthroplasty ◽  
Bond Strength ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Mechanical Bond ◽  
Total Knee ◽  
Component Interface

Varus alignment of the tibial component up to seven degrees is not associated with poor long-term outcomes in a neutrally aligned total knee arthroplasty

2021 ◽  
Author(s):  
Francisco Antonio Miralles-Muñoz ◽  
Marta Rubio-Morales ◽  
Laiz Bello-Tejada ◽  
Santiago González-Parreño ◽  
Alejandro Lizaur-Utrilla ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Varus Alignment ◽  
Long Term Outcomes ◽  
Total Knee

Tibial Cut Accuracy in Mechanically Aligned Total Knee Arthroplasty Using Extensor Hallucis Longus Tendon to Determine Extramedullary Tibial Guide Position

2021 ◽  
Author(s):  
Pablo Besa ◽  
Rafael Vega ◽  
Gerardo Ledermann ◽  
Claudio Calvo ◽  
Manuela Angulo ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Lower Extremity ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Anatomical Landmark ◽  
Mechanical Alignment ◽  
Longus Tendon ◽  
Extensor Hallucis Longus ◽  
Tibial Cut ◽  
Total Knee

AbstractThis study aimed to determine the tibial cut (TC) accuracy using extensor hallucis longus (EHL) tendon as an anatomical landmark to position the total knee arthroplasty (TKA) extramedullary tibial guide (EMTG), and its impact on the TKA mechanical alignment (MA). We retrospectively studied 96 TKA, performed by a single surgeon, using a femoral tailored intramedullary guide technique. Seventeen were prior to the use of the EHL and 79 used the EHL tendon to position the EMTG. We analyzed preoperative and postoperative standing total lower extremity radiographs to determine the tibial component angle (TCA) and the correction in MA, comparing pre-EHL use and post-EHL technique incorporation. Mean TCA was 88.89 degrees and postoperative MA was neutral in 81% of patients. Pre- and postoperative MAs were not correlated. As a conclusion of this study, using the EHL provides a safe and easy way to determine the position of EMTG.

Effect of tibial component varus on wear in total knee arthroplasty

The Knee ◽  
2012 ◽  
Vol 19 (5) ◽  
pp. 560-563 ◽  
Author(s):  
Ajay Srivastava ◽  
Gregory Y. Lee ◽  
Nikolai Steklov ◽  
Clifford W. Colwell ◽  
Kace A. Ezzet ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Total Knee

Experience Influences the Agreement and Reliability of Tibial Component Positioning in Total Knee Arthroplasty

2018 ◽  
Vol 33 (4) ◽  
pp. 1231-1234 ◽  
Author(s):  
Derek F. Amanatullah ◽  
Graham D. Pallante ◽  
Matthieu P. Ollivier ◽  
Alexander W. Hooke ◽  
Matthew P. Abdel ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Total Knee

Underhang of the tibial component increases tibial bone resorption after total knee arthroplasty

2018 ◽  
Vol 27 (4) ◽  
pp. 1270-1279 ◽  
Author(s):  
ShiZhong Gu ◽  
Shinichi Kuriyama ◽  
Shinichiro Nakamura ◽  
Kohei Nishitani ◽  
Hiromu Ito ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Bone Resorption ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Tibial Bone ◽  
Total Knee

scholarly journals Comparison of Alignment and Prosthesis Positioning Accuracy Between Robotics and Personalized 3D Preoperative Planning in Total Knee Arthroplasty

2021 ◽  
Author(s):  
Kai Lei ◽  
LiMing Liu ◽  
PengFei Yang ◽  
Ran Xiong ◽  
Liu Yang ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Tibial Component ◽  
Preoperative Planning ◽  
Operation Time ◽  
Consecutive Series ◽  
Clinical Trial Registry ◽  
Tourniquet Time ◽  
Positioning Accuracy ◽  
Total Knee

Abstract Purpose: Lower limb alignment is crucial in total knee arthroplasty (TKA). Previous studies have shown that robotics and personalized three-dimensional (3D) preoperative planning could improve postoperative alignment accuracy compared with conventional TKA, but comparison between the above two techniques has never been reported. The purpose of this study was to compare the alignment and prosthesis positioning accuracy between robotics and personalized 3D preoperative planning in TKA.Methods: A consecutive series of patients who received TKA in our Center from September 2020 to January 2021 were enrolled. After 1:2 matching, 52 and 104 patients were eventually included in robotics group and personalized 3D preoperative planning group, respectively. Multiple postoperative alignment variables, operation time, tourniquet time, length of hospital stay, hemoglobin (Hb) decrease at 1 and 3 days after operation were recorded and compared.Results: Compared with personalized 3D preoperative planning, robotics had significantly lower frontal tibial component (FTC) angle absolute deviation (P<0.001) and less FTC outliers (P<0.05). The postoperative hip-knee-ankle (HKA) angle and frontal femoral component (FFC) angle were different between two groups, while the absolute deviations were similar. Hb decreases of robotics were significantly lower than those of personalized 3D preoperative planning (P<0.001), while the operation time and tourniquet time were longer (P<0.001).Conclusion: Compared with personalized 3D preoperative planning, robotics has more accurate tibial component coronal alignment and less postoperative Hb decrease, while the operation time is significantly longer.Trial registration: The Chinese Clinical Trial Registry, ChiCTR2000036235. Registered 22 August 2020, http://www.chictr.org.cn/showproj.aspx?proj=59300

Imaging of symptomatic total knee arthroplasty with cone beam computed tomography

2018 ◽  
Vol 59 (12) ◽  
pp. 1500-1507 ◽  
Author(s):  
Antti Jaroma ◽  
Juha-Sampo Suomalainen ◽  
Lea Niemitukia ◽  
Tarja Soininvaara ◽  
Jari Salo ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Cone Beam Computed Tomography ◽  
Tibial Component ◽  
Cone Beam ◽  
Component Rotation ◽  
Symptomatic Knee ◽  
Total Knee ◽  
Component Loosening

Background Computed tomography (CT) can be used to assess the rotational alignment of prosthesis components to identify possible underlying causes of symptomatic total knee arthroplasty (TKA). The use of cone beam computed tomography (CBCT) for the imaging of extremities is relatively new, although it has been widely used in dental imaging. Purpose To assess the intra- and inter-observer reproducibility of CBCT, as well as to validate CBCT for TKA component and periprosthetic bone diagnostics. Material and Methods CBCT scans were performed on 18 patients the day before a scheduled revision TKA, from which the intra- and inter-observer reproducibility were assessed. Component rotation and loosening were evaluated. Perioperative bone defects were classified. Results The inter-observer intraclass coefficient correlation (ICC) for femoral component rotation was 0.41 (95% confidence interval [CI] = 0.12–0.69). For the tibial component, the ICC was 0.87 (95% CI = 0.74–0.94). Intra-observer reproducibilities were 0.70 (95% CI = 0.35–0.87) and 0.92 (95% CI = 0.80–0.97), respectively. The sensitivity for tibial component loosening was 97% and the specificity was 85%. The reliability of bone defect classification was only weak to moderate. Conclusion Two-dimensional (2D) CBCT scanning provides reliable and reproducible data for determining the rotation of femoral and tibial components, while showing minor overestimation of tibial component loosening. CBCT is a promising new tool for the evaluation of symptomatic knee arthroplasty patients, with a substantially lower radiation dose compared to conventional 2D multi-slice CT.

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