Midterm Results of the Salto Total Ankle Prosthesis

Bonnin, Michel; Judet, T.; Colombier, Jean Alain; Buscayret, F.; Graveleau, Nicolas; Piriou, P.

doi:10.1097/01.blo.0000132407.75881.a0

Cited by 223 publications

(188 citation statements)

References 22 publications

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“…Bearing movement on the tibia indicates that the rolling element of the natural movement of the talus on the tibia [11,33,34] is reproduced. We found no mention of bearing movement in any of the reports of the current three-component devices with anatomic talar and flat tibial components [3,6,7,25,30,31,[50][51][52][53][54]. The overall AOFAS score improved by a mean of 40.5 points (38.5 preoperatively to 79.0 at 48 months) and was similar to the 45-point increase of the meta-analysis [48].…”

Section: Discussionsupporting

confidence: 56%

“…Our data with 51 ankles at risk during the first year and a 4-year survival rate of 97.2% suggest few postoperative complications requiring component removal in contrast to reports from the registries [15,24,26] or from experienced surgeons [3,6,7,25,30,40,42,[51][52][53] (Fig. 7).…”

Section: Aofas Scorementioning

confidence: 48%

“…1) showed that to achieve ligament compatibility, either both fixed articular surfaces should have anatomic shapes or both should be nonanatomic [33,34]. Current three-part prostheses [3,6,7,25,30,31,[50][51][52][53][54] use a more or less natural-like convex surface for the talar component and a nonanatomic flat surface for the tibial component. We have shown this combination of anatomic and nonanatomic surfaces cannot reproduce isometricity of ligaments and therefore cannot be compatible with normal ligament function [33,34].…”

Section: Introductionmentioning

confidence: 99%

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Total Ankle Replacement Compatible with Ligament Function Produces Mobility, Good Clinical Scores, and Low Complication Rates: An Early Clinical Assessment

Giannini

Romagnoli

O’Connor

et al. 2010

Clinical Orthopaedics &Amp; Related Research

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Background A three-part ankle replacement was developed to achieve compatibility with the natural ligaments by allowing fibers on the medial and lateral sides to remain isometric during passive motion. Unlike all current prostheses, the new design uses nonanatomically shaped components on the tibia and talus and a fully conforming interposed meniscal bearing.Questions/purposes Does this new design restore ankle mobility, improve clinical score, and result in low complication and early revision rates? Patients and Methods We reviewed 51 patients in whom 51 prostheses were implanted in a seven-center trial from July 2003 to July 2006. The mean age of the patients at surgery was 61.5 years (range, 35.1-82.5 years). We used the AOFAS score to assess clinical outcome. We used lateral radiographs to assess function. The minimum followup was 24 months (mean, 30 months; range, 24-48 months). Results The mean preoperative AOFAS score of 38.5 increased to 76.9, 79.1, 76.4, and 79.0 at 12, 24, 36, and 48 months, respectively. We observed a correlation between meniscal bearing movement on the tibial component (mean, 3.4 mm; range, 2-12 mm) and range of flexion at the replaced ankle (mean, 27.48; range, 168-538). We revised one arthroplasty in the second postoperative year for lateral impingement, providing a 3-year cumulative survival rate of 97% and performed one other secondary operation for hindfoot pain. Conclusions These data suggest the new prosthesis can provide short-term restoration of ankle mobility, a good clinical score, and low complication and failure rates. Longer followup with larger numbers is required.

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Section: Discussionsupporting

confidence: 56%

Section: Aofas Scorementioning

confidence: 48%

Section: Introductionmentioning

confidence: 99%

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Total Ankle Replacement Compatible with Ligament Function Produces Mobility, Good Clinical Scores, and Low Complication Rates: An Early Clinical Assessment

Giannini

Romagnoli

O’Connor

et al. 2010

Clinical Orthopaedics &Amp; Related Research

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“…The prosthesis model generally used in our institution is the Salto Total Ankle Prosthesis (Tornier, France), which was designed as an uncemented (8) . Its porous surface, which is appropriate for interdigitation, is a fundamental trait of all "latest generation" prosthesis models" (6) .…”

Section: Discussionmentioning

confidence: 99%

Prótese do tornozelo híbrida em um caso de necrose avascular pós-traumática do tálus

Sousa¹,

Rodrigues-Pinto²,

Massada³

et al. 2011

Rev. bras. ortop.

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“…In a recent lecture, it was claimed in a prospective study with short-term follow-up that the FB of prosthesis originally introduced as a MB design gave the better results in terms of optimal alignment, less radiolucent lines, and better patient satisfaction [5]. It is astonishing when comparing the same groups' former results with the MB design (survival rate at 5 years 95% [6]). Also it must be revealed how the optimal position of FB components is now feasible considering that the same alignment instruments were used.…”

mentioning

confidence: 99%

Total Ankle Replacement: Back to the Future?

Kofoed¹

2013

Clin Res Foot Ankle

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When total ankle replacement began in 1970 [1] the trend was soon followed by lots of others. All designs were two-component replacements with Fixed Bearings (FB) intended for fixation with bone cement. Already at 5-year follow-ups most designs were given up because of major problems with loosening. A few continued to solve the problems, and from the beginning of the 1980s the three component designs with Mobile Bearing (MB) were introduced [2,3]. With results superior to the former two-piece devices, a new era was started, and nearly all new designs from the late 1990s were three component devices, and intended for non-cemented use. The good survival rates have been confirmed also with these devices. They have all lend features from the two original designs [2][3][4], and much more attention has been paid to restoring alignment and stability of the ankle and hindfoot. Recently, for unclear reasons, the trend is to use two-piece (FB) designs again. Maybe this is inspired by the possibility, on a 5-10 K basis, to introduce two-piece designs to the American market. These two piece designs are now hitting the market in numbers that equals the many designs in the 1970s. This is a cause of concern. The reason for introducing the MB designs was the inability for FB designs to find the correct position of the components. There is a widespread diversity not only in the normal anatomy and kinematics of the ankle, but especially in the pathological and degenerated ankles. The MB is a way to overcome this, and let the ankle find its best position by gliding and rotation of the meniscus. Has this been in vain? In a recent lecture, it was claimed in a prospective study with short-term follow-up that the FB of prosthesis originally introduced as a MB design gave the better results in terms of optimal alignment, less radiolucent lines, and better patient satisfaction [5]. It is astonishing when comparing the same groups' former results with the MB design (survival rate at 5 years 95% [6]). Also it must be revealed how the optimal position of FB components is now feasible considering that the same alignment instruments were used. It remains to be proven for all the new FB total ankle designs that they are superior to -or at least equals -MB ankle replacements, so we do not end up with results like in the early 1970s.

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Midterm Results of the Salto Total Ankle Prosthesis

Cited by 223 publications

References 22 publications

Total Ankle Replacement Compatible with Ligament Function Produces Mobility, Good Clinical Scores, and Low Complication Rates: An Early Clinical Assessment

Total Ankle Replacement Compatible with Ligament Function Produces Mobility, Good Clinical Scores, and Low Complication Rates: An Early Clinical Assessment

Prótese do tornozelo híbrida em um caso de necrose avascular pós-traumática do tálus

Total Ankle Replacement: Back to the Future?

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