Increased Early Revision Rate With the INFINITY Total Ankle Prosthesis

Cody, Elizabeth; Taylor, Michel; Nunley, James A.; Parekh, Selene G.; DeOrio, James K.

doi:10.1177/1071100718794933

Cited by 47 publications

(26 citation statements)

References 33 publications

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“…Emerging data have continued to show promise, with survivorship of newer prostheses ranging from 92% to 97% at 5 years, better improvements in function, and higher patientreported outcome measures compared with ankles treated with arthrodesis. 1,3,5,[10][11][12][13][14][15]20,21,23,28,29 As the demand for TAA has continued to increase among both patients and surgeons alike, a new generation (fourth) of prostheses have been introduced to the U.S. market.…”

Section: Introductionmentioning

confidence: 99%

Intermediate-Term Outcomes of a Third-Generation, 2-Component Total Ankle Prosthesis

et al. 2021

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Background: Short-term outcomes for the INBONE I and INBONE II tibial stems have been favorable. The INBONE-II talus has been shown to have lower reoperation and failure rates compared to its predecessor at short term follow-up. The purpose of the present study was to assess mid-term outcomes for the third generation, two component total ankle prosthesis at 5 to 9 years follow-up, evaluating both the tibial and talar components. Methods: All patients who underwent primary total ankle arthroplasty (TAA) with INBONE-II between July 2010 and July 2014 at a single institution and who were at least 5 years postoperative were included. A total of 15 ankles with a mean follow-up of 85 months (range, 61-113 months) met the criteria. Radiographs were assessed using coronal and sagittal alignment parameters preoperatively, at 6 weeks postoperatively, and at the most recent follow-up. Medical records were reviewed and revisions, reoperations, and complications were classified according to the criteria established by Vander Griend et al and Glazebrook et al, respectively. Results: The survivorship of the prosthesis at a mean of 85 months was 93.7%. The coronal and sagittal tibiotalar alignments 6 weeks after surgery were 2.1 degrees ( P = .081) and 36% ( P = .15), respectively. Maintenance of this alignment was observed during the latest follow-up ( P = .684 and P = .837, respectively). One ankle (6.7%) required early component revision, while 4 (26.7%) required a non–implant-related revision. Six complications (2 high grade, 1 intermediate, and 3 low) in 5 ankles (33.3%) were recorded according to the Glazebrook classification system. Conclusion: The present study is the first to report midterm follow-up after TAA with this third-generation, 2-component prothesis. High survivorship, maintenance of correction, and a low incidence of major complications were observed in this small case series. The most common complication overall was lateral gutter impingement, which accounted for the majority of the nonrevisional reoperations. Level of Evidence: Level IV, case series.

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Section: Introductionmentioning

confidence: 99%

Intermediate-Term Outcomes of a Third-Generation, 2-Component Total Ankle Prosthesis

et al. 2021

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“…52,111 The newer Infinity TAA (Wright Medical, Memphis, TN) has limited published data; short-term results are promising 92,100 but have been contested. 21 The benefits of a fixed bearing vs mobile bearing are unclear; one study comparing these 2 designs failed to show a difference. 39 Despite recent advances and understanding of ankle kinematics, TAA still does not normalize gait.…”

Section: Resultsmentioning

confidence: 99%

Ankle Arthritis

Veljkovic

Salat

et al. 2019

Foot & Ankle Orthopaedics

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Ankle arthritis is a major source of morbidity impacting a younger working age population than hip and knee arthritis. Unlike the hip and knee, more than 70% of ankle arthritis cases are post-traumatic, with the remainder being inflammatory or primary arthritis. Nonoperative treatment begins with lifestyle and shoe-wear modifications and progresses to bracing, physical therapy, anti-inflammatory medications, and intra-articular injections. Ankle arthrodesis and total ankle arthroplasty are the 2 main surgical options for end-stage ankle arthritis, with debridement, realignment osteotomy, and distraction arthroplasty being appropriate for limited indications.Level of Evidence:Level V, expert opinion.

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“…I read with great interest the recent article out of Duke University “Increased Early Revision Rate With the INFINITY Total Ankle Prosthesis.” 1 As I read and evaluated the science behind this article, I felt impelled to comment. There is always a motivation to writing an article, whether it be an interesting discovery, purporting a certain product, or industry sponsorship.…”

Section: Dear Editormentioning

confidence: 99%