Long-term subjective outcomes of computer-assisted total knee arthroplasty

Purpose This study aimed to clarify the results of computer-assisted total knee arthroplasty (TKA) after ten years using patient-derived scores. Methods Thirty posterior-stabilised total knee prostheses implanted using a computed tomography-free navigation system were compared with 30 matched total...

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Bibliographic Details
Published inInternational orthopaedics Vol. 37; no. 10; pp. 1911 - 1915
Main Authors Nakano, Naoki, Matsumoto, Tomoyuki, Ishida, Kazunari, Tsumura, Nobuhiro, Kuroda, Ryosuke, Kurosaka, Masahiro
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.10.2013
Subjects
Activities of Daily Living
Aged
Arthroplasty, Replacement, Knee - methods
Female
Follow-Up Studies
Humans
Longitudinal Studies
Male
Medicine
Medicine & Public Health
Middle Aged
Original Paper
Orthopedics
Osteoarthritis, Knee - surgery
Patient Satisfaction
Surgery, Computer-Assisted - methods
Surveys and Questionnaires
Time Factors
Treatment Outcome
Navigation Group
Total Knee Arthroplasty
Total Knee Prosthesis
Mechanical Axis
Conventional Total Knee Arthroplasty
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Summary:Purpose This study aimed to clarify the results of computer-assisted total knee arthroplasty (TKA) after ten years using patient-derived scores. Methods Thirty posterior-stabilised total knee prostheses implanted using a computed tomography-free navigation system were compared with 30 matched total knee prostheses of the same type implanted using a conventional, manual technique. At an average of ten years after surgery, we investigated patient-reported outcomes using the Knee Society’s new scoring system. The results of 27 patients (14 patients in the navigation group and 13 patients in the manual group) were assessed in this study. Results There was no significant difference between the navigation and manual groups for any section of the questionnaire, which consisted of symptoms, patient satisfaction, patient expectation, walking/standing, standard activities, advanced activities, and discretionary activities. Conclusion After long-term follow-up, we found no subjective advantages of using a navigation system for patients who undergo TKA though the absolute number of patients was very small. Additional extensive studies are required to validate our result.
Bibliography:ObjectType-Article-1
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ISSN:0341-2695
1432-5195
DOI:10.1007/s00264-013-1978-2