Revision Total Ankle Arthroplasty Using the INBONE II System

Author:

Wu Kevin A.1ORCID,Anastasio Albert T.1ORCID,Lee Dongoh2,Kim Billy I.3ORCID,Valan Bruno1ORCID,Krez Alexandra N.1,Adams Samuel B.1,Nunley James A.1ORCID,Easley Mark E.1,DeOrio James K.1

Affiliation:

1. Division of Foot and Ankle, Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC, USA

2. Department of Orthopedic Surgery, SNU Seoul Hospital, Seoul, Republic of Korea

3. Department of Orthopedic Surgery, Hospital for Special Surgery, New York City, NY, USA

Abstract

Background: The utilization of total ankle arthroplasty (TAA) for managing severe ankle osteoarthritis has become increasingly common, leading to a higher occurrence of revision TAA procedures because of failure of primary TAA. This study aims to examine the clinical results associated with revision TAA using the INBONE II system. Given the growing number of TAA revision procedures and a focus on motion-preserving salvage options, we evaluated our early experience with revision TAA. Methods: A retrospective analysis was conducted on a group of 60 presumed noninfected patients who underwent revision TAA with the INBONE II system. Detailed information was collected on patient demographics, implant characteristics, concurrent procedures, and complications. The implant survival was estimated using Kaplan-Meier analysis. Results: The study revealed high complication rates but generally fair clinical outcomes for revision TAA using the INBONE II system. Complications were observed in 22 patients (36.7%), including persistent pain (n = 6), nerve injury/impingement (n = 5), infection (n = 3), fracture (n = 3), implant failure (n = 3), impaired wound healing (n = 2), and osteolysis (n = 3). The 3-year survivorship rate from reoperation was 92.0% (82.7%-100.0%) whereas the 3-year survivorship rate from major complications was 90.4% (80.8%-100.0%). Conclusion: We report high complication rates but generally fair clinical results for revision TAA utilizing the INBONE II system.

Publisher

SAGE Publications

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