期刊
JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME
卷 104, 期 16, 页码 1483-1491出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.2106/JBJS.22.00060
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This study analyzed the long-term outcomes of total ankle arthroplasty (TAA) using the HINTEGRA prosthesis. The results showed significant improvement in clinical scores and ankle range of motion over time, with an implant survivorship of 93.5%. Therefore, TAA using the HINTEGRA prosthesis is an effective treatment for end-stage ankle arthritis.
Background: Few studies have investigated long-term clinical outcomes of a mobile-bearing total ankle arthroplasty (TAA) system. This study analyzed long-term outcomes of TAA using the HINTEGRA prosthesis at a single, non-developer center. Methods: Primary TAAs were performed on 213 ankles in 194 patients, and 151 consecutive ankles [71%] in 136 patients with a minimum follow-up of 10 years after the primary TAA were included in this study. Clinical results were assessed using a visual analog scale (VAS) pain score, the American Orthopaedic Foot & Ankle Society (AOFAS) Ankle-Hindfoot Scale score, the Ankle Osteoarthritis Scale (AOS) pain and disability subscores, and ankle range of motion. Prosthesis survivorship, reoperations, and risk factors were also evaluated. Results: The mean follow-up was 135.5 months (range, 120.0 to 204.0 months). All clinical scores and ankle range of motion improved significantly from preoperatively to 2 years, 4 to 6 years, and >= 10 years after TAA (p < 0.001). A total of 43 ankles (28.5%) required revision procedures, with the most common reason being periprosthetic osteolysis (32 ankles [21.2%]). The overall implant survivorship was 93.5% in Kaplan-Meier survival analysis at the mean follow-up of 11.3 years after the TAA. Conclusions: TAA using the HINTEGRA prosthesis with careful follow-up observation and appropriate adjunct procedures for the treatment of end-stage ankle arthritis produced satisfactory clinical results, which were maintained at a follow-up of >= 10 years, and resulted in 93.5% of implant survivorship.
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