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Journal of Long-Term Effects of Medical Implants
SJR: 0.145 SNIP: 0.491 CiteScore™: 0.89

ISSN Druckformat: 1050-6934
ISSN Online: 1940-4379

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.v10.i4.30
12 pages

Clinical Application of Artificial Ligament for Ankle Instability—Long-Term Follow-Up

Norio Usami
Department of Orthopaedic Surgery, School of Medicine, Keio University, Shinanomachi 35, Shinjuku-ku, Tokyo, Japan; Ooyata 5-17-7, Adachi-ku, Tokyo, Japan
Suguru Inokuchi
Department of Orthopaedic Surgery, School of Medicine, Keio University, Shinanomachi 35, Shinjuku-ku, Tokyo, Japan
Eiichi Hiraishi
Department of Orthopaedic Surgery, School of Medicine, Keio University, Shinanomachi 35, Shinjuku-ku, Tokyo, Japan
Masaki Miyanaga
Department of Orthopaedic Surgery, School of Medicine, Keio University, Shinanomachi 35, Shinjuku-ku, Tokyo, Japan
Akeo Waseda
Department of Orthopaedic Surgery, School of Medicine, Keio University, Shinanomachi 35, Shinjuku-ku, Tokyo, Japan

ABSTRAKT

We have applied a reconstructive operation to patients with injury of the lateral ligament in the ankle joint using an artificial ligament made of polyester (Leeds-Keio) since 1985. The operation was performed on 451 feet of 436 patients. Average follow-up period was 5 years and 8 months. Talar tilt and anterior drawer translation before and after the operation were improved from 16° to 4° and from 11 mm to 4 mm, respectively. In this study, which has followed the same patients over an extended period, there were no cases with a decrease in the range of motion of the joint, with further development of osteoarthritis, or with a poorer result than those observed in our earlier study, which reported a short-term follow-up of the same patients. It may therefore be concluded that this reconstructive procedure of the lateral ligament of the ankle joint, using the artificial ligament, is also excellent after long-term follow-up.


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