Medial-Pivot Kinematics

Kato, M., et al. Medial pivot-based total knee arthroplasty achieves better clinical outcomes than posterior-stabilised total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2023 Mar;31(3):998-1010. doi: 10.1007/s00167-022-07149-2.

2023

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Soeno, T., et al. No differences in objective dynamic instability during acceleration of the knee with or without subjective instability post-total knee arthroplasty. PLoS One. 2018 Mar 16;13(3):e0194221. doi: 10.1371/journal.pone.0194221.

2018

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Mochizuki, T., et al. Association between anteroposterior laxity in midrange flexion and subjective healing of instability after total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2017 Nov;25(11):3543-3548. doi: 10.1007/s00167-016-4375-8.

2017

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Barnes, C. L., et al. Kneeling is safe for patients implanted with Medial-Pivot total knee arthroplasty designs. J Arthroplasty. 2011 Jun;26(4):549-54. doi: 10.1016/j.arth.2010.04.027.

2011

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Pritchett, J. W. Patients prefer a bicruciate-retaining or the medial pivot total knee prosthesis. J Arthroplasty. 2011 Feb;26(2):224-8. doi: 10.1016/j.arth.2010.02.012.

2011

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Miyazaki, Y., et al. Analysis of the kinematics of total knee prostheses with a Medial-Pivot design. J Arthroplasty. 2011 Oct;26(7):1038-44. doi: 10.1016/j.arth.2010.08.015.

2011

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Freeman, M A R, Pinskerova, V. The movement of the normal tibio-femoral joint. J Biomech. 2005 Feb;38(2):197-208. doi: 10.1016/j.jbiomech.2004.02.006.

2005

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Komistek, R. D., et al. In vivo fluoroscopic analysis of the normal human knee. Clin Orthop Relat Res. 2003 May;(410):69-81. doi: 10.1097/01.blo.0000062384.79828.3b.

2003

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Schmidt, R., et al. Fluoroscopic analyses of cruciate-retaining and Medial-Pivot knee implants. Clin Orthop Relat Res. 2003 May;(410):139-47. doi: 10.1097/01.blo.0000063565.90853.a4.

2003

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Blaha, J. D., et al. Kinematics of the human knee using an open chain cadaver model. Clin Orthop Relat Res. 2003 May;(410):25-34. doi: 10.1097/01.blo.0000063564.90853.ed.

2003

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Iwaki, H., et al. Tibiofemoral movement 1: the shapes and relative movements of the femur and tibia in the unloaded cadaver knee. J Bone Joint Surg Br. 2000 Nov;82(8):1189-95. doi: 10.1302/0301-620x.82b8.10717.

2000

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Hill, P. F., et al. Tibiofemoral movement 2: the loaded and unloaded living knee studied by MRI. Bone Joint Surg Br. 2000 Nov;82(8):1196-8. doi: 10.1302/0301-620x.82b8.10716.

2000

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Nakagawa, S., et al. Tibiofemoral movement 3: full flexion in the living knee studied by MRI. J Bone Joint Surg Br. 2000 Nov;82(8):1199-200. doi: 10.1302/0301-620x.82b8.10718.

2000

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Enhanced Quadriceps Efficiency

Lamontagne, M. et al. Muscle activity and biomechanics during stair descent after a total knee arthroplasty with either a medial pivot or posterior stabilized implant. EFFORT 2023 Poster.

2023

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DeBoer, D. et al. Quadriceps Strength after TKA: A comparison of a Medial Pivot versus a Posterior Stabilized Knee Design at 6 weeks Post-Operatively. AAOS 2020 Poster.

2020

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Beach, A., et al. The effect of knee prosthesis design on tibiofemoral biomechanics during extension tasks following total knee arthroplasty. Knee. 2019 Oct;26(5):1010-1019. doi: 10.1016/j.knee.2019.07.008.

2019

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LaMontagne M., et al. Lamontagne, M. et al. Muscle Activity in Ipsi and Contralateral limbs in Total Knee Arthroplasty Patient during Level and Sloped Walking. COA 2017 Poster.

2017

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Article

Barnes, C. L., et al. Assessment of a Medial-Pivot total knee arthroplasty design in a cadaveric knee extension test model. J Arthroplasty. 2012 Sep;27(8):1460-1468.e1. doi: 10.1016/j.arth.2012.02.008.

2012

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Mahoney, O. M., et al. The effect of total knee arthroplasty design on extensor mechanism function. J Arthroplasty. 2002 Jun;17(4):416-21. doi: 10.1054/arth.2002.32168.

2002

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Patient Satisfaction

Rigoni, S., et al. Comparison between patient specific instrumentation and traditional technique in patients with total knee arthroplasty: An observational perspective study. J Orthop. 2021 Feb 11;23:264-272. doi: 10.1016/j.jor.2021.01.013.

2021

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Bianchi, N., et al. Medial pivot vs posterior stabilized total knee arthroplasty designs: a gait analysis study. Med Glas (Zenica). 2021 Feb 1;18(1):252-259. doi: 10.17392/1312-21.

2021

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Gill, U. N., et al. Comparison of functional outcome of Medial-Pivot total knee arthroplasty with posterior stabilizing (PS) total knee arthroplasty - a randomized trial. PJMHS 2019 Apr-Jun;13(2)385-388.

2019

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Nizam I., et al. Early resumption of driving within 3 weeks following patient-specific instrumented total knee arthroplasty: an evaluation of 160 cases. JISAKOS 2019;4:88–92. doi:10.1136/jisakos-2018-000268.

2019

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David A Samy, Jesse I Wolfstadt, Iman Vaidee, David J Backstein. A retrospective comparison of a Medial-Pivot and posterior-stabilized total knee arthroplasty with respect to patient-reported and radiographic outcomes. J Arthroplasty. 2018 May;33(5):1379-1383. doi: 10.1016/j.arth.2017.11.049.

2018

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Van Overschelde, P., Fitch, D. A. Patient satisfaction at 2 months following total knee replacement using a second generation Medial-Pivot system; follow-up of 250 consecutive cases. Ann Transl Med. 2016 Sep;4(18):339. doi: 10.21037/atm.2016.08.41.

2016

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Youm, Y. S., et al. Total knee arthroplasty using a posterior cruciate ligament sacrificing Medial-Pivot knee: Minimum 5-year follow-up results. Knee Surg Relat Res. 2014 Sep; 26(3): 135–140. doi: 10.5792/ksrr.2014.26.3.135

2014

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Schmidt, R., et al. Midterm clinical and radiographic results of the Medial-Pivot total knee system. Int Orthop. 2014 Dec;38(12):2495-8. doi: 10.1007/s00264-014-2444-5. Epub 2014 Jul 11.

2014

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James W Pritchett. A comparison of the noise generated from different types of knee prostheses. J Knee Surg. 2013 Apr;26(2):101-4. doi: 10.1055/s-0032-1319779.

2013

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Article

James W Pritchett. Patients prefer a bicruciate-retaining or the medial pivot total knee prosthesis. J Arthroplasty. 2011 Feb;26(2):224-8. doi: 10.1016/j.arth.2010.02.012.

2011

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Article

 

Wear Properties

Clem, W. C., et al. Long-term wear analysis of retrieved medially Pivoting TKA inserts. Poster No. 661; SFB 2013 Annual Meeting.

2013

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Article

Schmidt R, et al. In Vitro Assessment of a Cruciate Retaining and Cruciate Sacrificing Medially Pivoting Knee Replacement. Poster No. 1150; ORS 2011 Annual Meeting.

2011

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Minoda, Y., et al. Polyethylene wear particles in synovial fluid after total knee arthroplasty. Clin Orthop Relat Res. 2003 May;(410):165-72. doi: 10.1097/01.blo.0000063122.39522.c2.

2003

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Survivorship

Ueyama, H., et al. Comparison of postoperative knee flexion and patient satisfaction between newly and conventionally designed Medial-Pivot total knee arthroplasty: a 5‑year follow‑up matched cohort study. Arch Orthop Trauma Surg. 2022 Aug;142(8):2057-2064. doi: 10.1007/s00402-021-04121-6.

2022

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Xiang, S., et al. Mid-term clinical outcomes and survivorship of medial-pivot total knee arthroplasty-a mean five year follow-up based on one thousand, one hundred and twenty eight cases. Int Orthop. 2021 Nov;45(11):2877-2883. doi: 10.1007/s00264-021-05017-1.

2021

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Karachalios, T., et al. Evaluating the “patella friendly” concept in total knee arthroplasty A minimum fifteen year follow-up outcome study comparing constant radius, multiradius cruiciate-retaining and nonanatomical cruiciate-retaining implants. J Arthroplasty. 2021 Aug;36(8):2771-2778

2021

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Yuan, D., et al. Total Knee Arthroplasty Using a Medial-Pivot or Posterior Cruciate-Stabilizing Prosthesis in Chinese Patients. J Knee Surg. 2020 Sep;33(9):892-898. doi: 10.1055/s-0039-1688784.

2020

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Abdel, M. P., et al. Effect of Postoperative Mechanical Axis Alignment on Survival and Functional Outcomes of Modern Total Knee Arthroplasties with Cement: A Concise Follow-up at 20 Years. J Bone Joint Surg Am. 2018 Mar 21;100(6):472-478. doi: 10.2106/JBJS.16.01587.

2018

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Karachalios, T., et al. A 9-year outcome study comparing cancellous titanium-coated cementless to cemented tibial components of a single knee design. J Arthroplasty. 2018 Dec;33(12):3672-3677. doi: 10.1016/j.arth.2018.07.014.

2018

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Dehl, M., et al. Total knee arthroplasty with the Medial-Pivot knee system: clinical and radiological outcomes at 9.5 years' mean follow-up. Orthop Traumatol Surg Res. 2018 Apr;104(2):185-191. doi: 10.1016/j.otsr.2017.10.016.

2018

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Macheras, G. A., et al. A long term clinical outcome of the Medial-Pivot Knee Arthroplasty System. Knee. 2017 Mar;24(2):447-453. doi: 10.1016/j.knee.2017.01.008.

2017

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Bae, D. K, et al. Comparison of midterm clinical and radiographic results between total knee arthroplasties using Medial-Pivot and posterior-stabilized prosthesis - a matched pair analysis. J Arthroplasty. 2016 Feb;31(2):419-24. doi: 10.1016/j.arth.2015.09.038.

2016

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Bordini, B., et al. Long-term survivorship of a Medial-Pivot total knee system compared with other cemented designs in an arthroplasty registry. J Orthop Surg Res. 2016 Apr 19;11:44. doi: 10.1186/s13018-016-0388-8.

2016

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Karachalios, T., et al. An 11- to 15-year clinical outcome study of the Advance Medial Pivot total knee arthroplasty. Bone Joint J. 2016 Aug;98-B(8):1050-5. doi: 10.1302/0301-620X.98B8.36208.

2016

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Chinzei, N., et al. Satisfactory results at 8 years mean follow-up after Advance® medial pivot total knee arthroplasty. Knee. 2014 Mar;21(2):387-90. doi: 10.1016/j.knee.2013.10.005.

2014

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Fitch, D. A., et al. Mid- to long-term outcomes of a Medial-Pivot system for primary total knee replacement – A systematic review and meta-analysis. Bone Joint Res. 2014 Oct;3(10):297-304. doi: 10.1302/2046-3758.310.2000290.

2014

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Schmidt, R., et al. Midterm clinical and radiographic results of the Medial-Pivot total knee system. Int Orthop. 2014 Dec;38(12):2495-8. doi: 10.1007/s00264-014-2444-5.

2014

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Article

Youm, Y. S., et al. Total knee arthroplasty using a posterior cruciate ligament sacrificing Medial-Pivot knee: Minimum 5-year follow-up results. Knee Surg Relat Res. 2014 Sep;26(3):135-40. doi: 10.5792/ksrr.2014.26.3.135.

2014

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Article

Brinkman, J. M., et al. Midterm results using a medial pivot total knee replacement compared with the Australian National Joint Replacement Registry data. ANZ J Surg. 2014 Mar;84(3):172-6. doi: 10.1111/ans.12428.

2014

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Vecchini, E., et al. Clinical and radiologic outcomes of total knee arthroplasty using the Advance Medial Pivot prosthesis. A mean 7 years follow-up. Knee. 2012 Dec;19(6):851-5. doi: 10.1016/j.knee.2012.04.002.

2012

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Bae, D. K. et al. Clinical outcome of total knee arthroplasty with medial pivot prosthesis a comparative study between the cruciate retaining and sacrificing. J Arthroplasty. 2011 Aug;26(5):693-8. doi: 10.1016/j.arth.2010.04.022.

2011

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Fan, C. Y., et al. Primitive results after Medial-Pivot knee arthroplasties: A minimum 5-year follow-up study. J Arthroplasty. 2010 Apr;25(3):492-6. doi: 10.1016/j.arth.2009.05.008. Epub 2009 Jul 4.

2010

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Anderson , M. J., et al. Medium-term results of total knee arthroplasty using a medially pivoting implant: A multicenter study. J Surg Orthop Adv. 2010 Winter;19(4):191-5.

2010

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Karachalios, T., et al. A mid-term clinical outcome study of the Advance Medial-Pivot knee arthroplasty. Knee. 2009 Dec;16(6):484-8. doi: 10.1016/j.knee.2009.03.002. Epub 2009 Apr 5.

2009

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Kinematic Alignment

Gao, Z. X., et al. Comparison of Kinematic Alignment and Mechanical Alignment in Total Knee Arthroplasty: A Meta-analysis of Randomized Controlled Clinical Trials. Orthop Surg. 2020 Dec;12(6):1567-1578. doi: 10.1111/os.12826.

2020

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Blakeney, W., et al. Kinematic alignment in total knee arthroplasty better reproduces normal gait than mechanical alignment. Knee Surg Sports Traumatol Arthrosc. 2019 May;27(5):1410-1417. doi: 10.1007/s00167-018-5174-1.

2018

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Li Y., et al. Does kinematic alignment improve short-term functional outcomes after total knee arthroplasty compared with mechanical alignment? A systematic review and meta-analysis. J Knee Surg. 2018 Jan;31(1):78-86. doi: 10.1055/s-0037-1602136. Epub 2017 May 1.

2018

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Courtney, P. M., Lee, G. C. Early Outcomes of Kinematic Alignment in Primary Total Knee Arthroplasty: A Meta-Analysis of the Literature. J Arthroplasty. 2017 Jun;32(6):2028-2032.e1. doi: 10.1016/j.arth.2017.02.041.

2017

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Dossett, H. G., et al. A randomised controlled trial of kinematically and mechanically aligned total knee replacements: two-year clinical results. Bone Joint J. 2014 Jul;96-B(7):907-13. doi: 10.1302/0301-620X.96B7.32812.

2014

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Additional Studies

Yamamura, K., et al. Design improvement in patient-specific instrumentation for total knee arthroplasty improved the accuracy of the tibial prosthetic alignment in the coronal and axial planes. Knee Surg Sports Traumatol Arthrosc. 2020 May;28(5):1560-1567. doi: 10.1007/s00167-019-05571-7.

2020

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Ikram Nizam, Ashish V Batra. Accuracy of bone resection in total knee arthroplasty using CT assisted-3D printed patient specific cutting guides. SICOT J. 2018;4:29. doi: 10.1051/sicotj/2018032.

2018

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Minoda, Y., et al. Asymmetric tibial component improved the coverage and rotation of the tibial component in a Medial-Pivot total knee prosthesis. Knee Surg. 2018 May;31(5):416-421. doi: 10.1055/s-0037-1604143.

2018

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PRECAUTIONS & DISCLAIMERS

Every patient is different, and individual results will vary. There are risks and recovery times associated with surgery.