A mid-term clinical outcome study of the Advance Medial Pivot knee arthroplasty

Karachalios, Theofilos; Roidis, Nikolaos; Giotikas, D; Bargiotas, K.; Varitimidis, S.; Malizos, Konstantinos N.

doi:10.1016/j.knee.2009.03.002

Cited by 67 publications

(68 citation statements)

References 30 publications

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“…Component survivorship was also consistent with rates previously reported for this system in previous studies [12,8,9] and arthroplasty registry reports [13,14]. A critical factor in component survival is the generation of polyethylene particles due to tibial insert wear.…”

Section: Discussionsupporting

confidence: 90%

“…In conclusion, the present study confirms the positive midterm outcomes previously reported for this system [12,8,9]. Any concerns over increased revisions for wear or insert failure due to the unique insert design appear unwarranted due to the results of this and previous studies.…”

Section: Discussionsupporting

confidence: 89%

“…Ninety-eight percent (98 %) of TKAs experienced excellent or good Knee Society clinical scores. Mean Knee Society clinical scores and range of motion were consistent with scores previously reported for this design [8,9]. While a previous study has shown the subject system was preferred by bilateral subjects over other TKA designs implanted in the contralateral knee [10], scores in the present study were not noticeably different than those reported by for other devices.…”

Section: Discussionsupporting

confidence: 89%

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Midterm clinical and radiographic results of the medial pivot total knee system

Schmidt

Ogden

Blaha

et al. 2014

International Orthopaedics (SICOT)

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Purpose The ADVANCE® Medial Pivot Knee System was designed with a highly congruent medial compartment and a less conforming lateral compartment to more closely mimic the kinematics of the normal knee. The purpose of this study was to evaluate the midterm clinical and radiographic outcomes of this total knee arthroplasty (TKA) system. Methods Between January 1998 and December 2006, 421 primary TKAs were performed in 373 subjects using this system and a surgical technique that resects the posterior cruciate ligament. Of these, 365 TKAs in 320 subjects were available for a follow-up visit occurring at a mean of 5.3 years. Subjects were evaluated using Knee Society Scores, range of motion, and radiographic review. Results The average Knee Society clinical score was 95.5 at final follow-up, with 358 (98 %) TKAs having excellent or good results. Range of motion increased from a preoperative mean of 115 to 119°at final follow-up. Component survivorship, excluding revisions for infection or trauma, was 96.6 % at five years. Conclusions This study demonstrates subjects implanted with the ADVANCE® Medial Pivot Knee System achieved satisfactory clinical and radiographic midterm outcomes.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionsupporting

confidence: 89%

Section: Discussionsupporting

confidence: 89%

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Midterm clinical and radiographic results of the medial pivot total knee system

Schmidt

Ogden

Blaha

et al. 2014

International Orthopaedics (SICOT)

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“…There were no revisions for any reason. Satisfactory early clinical success was expected as the subject medial-pivot system features only minor modifications from its predecessor, which has a nearly 20-year history of clinical success (7,(12)(13)(14)(15)(16)(17)(18).…”

Section: Discussionmentioning

confidence: 99%

Patient satisfaction at 2 months following total knee replacement using a second generation medial-pivot system: follow-up of 250 consecutive cases

Overschelde¹,

Da²

2016

Ann. Transl. Med.

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Background: Patient dissatisfaction following total knee replacement (TKR) has been reported as high as 24%.Most previous studies have focused on satisfaction for TKR overall, with few reporting satisfaction for specific implant designs. The purpose of this study was to assess patient satisfaction for TKRs performed using a second generation medial-pivot system (EVOLUTION ® , MicroPort Orthopedics Inc., Arlington, TN, USA).Methods: Of a single surgeon's first 250 consecutive TKRs performed using the subject system, 224 completed a patient satisfaction assessment, the Knee Injury and Osteoarthritis Outcome Score (KOOS), range of motion, and radiographs at 2 months follow-up. Results:The overall very satisfied/satisfied rate was 94.6% at 2 months. Following the first 50 TKRs, the satisfied rate improved to 99.4% suggesting a bias towards the initial cases potentially due to learning the system and instrumentation. Overall KOOS, range of motion, and radiographic outcomes were satisfactory at final follow-up. Conclusions:In conclusion, more subjects implanted with a second generation medial-pivot system were satisfied compared to previous reports for TKR.

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“…In this study, the surgical methods such as rotation references were consistent through the experiment; therefore, we consider that the influences of such factors are negligible in this study. In addition, controversy exists as to whether the PCL should be retained or sacrificed in ADVANCE® MP TKA [14][15][16][17]. Some authors recommend complete resection of the PCL for adequate flexion or function in MP knee [17], indicating knee motion led by MP insert was mismatched with the knee motion due to the PCL.…”

Section: Discussionmentioning

confidence: 99%

In vivo comparisons of patellofemoral kinematics before and after ADVANCE® Medial-Pivot total knee arthroplasty

Ishida

Matsumoto

Tsumura

et al. 2012

International Orthopaedics (SICOT)

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Purpose ADVANCE® Medial-Pivot (MP) (Wright Medical Technology, Arlington, TN, USA) total knee arthroplasty (TKA) was developed to replicate normal tibiofemoral knee joint kinematics, allowing medial-pivot knee motion. The design concept of the prosthesis is unique; therefore, the influence on the patellofemoral knee joint remains unclear at present. The purpose of this study was to determine the in vivo patellofemoral kinematics with ADVANCE® MP TKA and compare them with the pre-operative conditions.

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A mid-term clinical outcome study of the Advance Medial Pivot knee arthroplasty

Cited by 67 publications

References 30 publications

Midterm clinical and radiographic results of the medial pivot total knee system

Midterm clinical and radiographic results of the medial pivot total knee system

Patient satisfaction at 2 months following total knee replacement using a second generation medial-pivot system: follow-up of 250 consecutive cases

In vivo comparisons of patellofemoral kinematics before and after ADVANCE® Medial-Pivot total knee arthroplasty

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