Clinical outcomes of the KYOCERA Physio Hinge Total Knee System Type III after the resection of a bone and soft tissue tumor of the distal part of the femur

Background and Objectives The KYOCERA Physio Hinge Total Knee System Type III (PHKIII) was developed to reconstruct bony defects of the distal femur. The PHKIII is originative in that the metallic parts are fully made of titanium alloy, and this prosthesis has a unique semi‐rotating hinge joint and...

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Published in:Journal of surgical oncology 2011-03, Vol.103 (3), p.257-263
Main Authors: Matsumine, Akihiko, Ueda, Takafumi, Sugita, Takashi, Yazawa, Yasuo, Isu, Kazuo, Kawai, Akira, Abe, Satoshi, Yakushiji, Toshitake, Hiraga, Hiroaki, Sudo, Akihiro, Uchida, Atsumasa
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Child
clinical outcomes
distal femur
Female
Femoral Neoplasms - surgery
Humans
Knee Prosthesis
limb salvage surgery
Male
Middle Aged
musculoskeletal tumors
Prosthesis Design
Sarcoma - surgery
Treatment Outcome
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Summary:Background and Objectives The KYOCERA Physio Hinge Total Knee System Type III (PHKIII) was developed to reconstruct bony defects of the distal femur. The PHKIII is originative in that the metallic parts are fully made of titanium alloy, and this prosthesis has a unique semi‐rotating hinge joint and was designed especially for people with the Asian physical body‐type. The clinical outcomes of the PHKIII after the resection of musculoskeletal tumors of the distal femur were evaluated. Methods There were 41 males and 28 females with a median age of 48‐years. The median duration of follow‐up was 57 months. Results Eleven early complications and 37 late complications were observed, including 10 recurrences, 7 deep infections, 7 aseptic loosenings, 4 stem breakages, 4 displacements of shaft cap, and one wear of rotation sleeve. Twenty four prosthesis (35%) required a secondary operation because of complications. The five‐year overall prosthetic survival rates, ‐prosthetic survival rate without aseptic loosening, and ‐limbs preservation rate were 85%, 90%, and 86%, respectively. The mean functional score according to the classification system of the Musculoskeletal Tumor Society was 20.5 points (68%). Conclusions Although continuous follow‐up is required, reconstructions using PHKIII are considered to achieve more acceptable functional results. J. Surg. Oncol. 2011; 103:257–263. © 2010 Wiley‐Liss, Inc.
ISSN:0022-4790
1096-9098
DOI:10.1002/jso.21823