Journal
JOURNAL OF ARTHROPLASTY
Volume 30, Issue 10, Pages 1724-1728Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2015.04.007
Keywords
patient-specific instrumentation; total knee arthroplasty; functional outcome; quality of life; revision surgery
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Patient-specific instrumentation (PSI) surgery may represent the next advancement in total knee arthroplasty (TKA). In 2011, 60 patients were prospectively recruited and divided into two groups based on the patient's choice: (1) PSI surgery; and (2) conventional TKA. At two years after surgery, the Knee Society Function Score, Oxford Knee Score and SF-36 scores were comparable between the two groups. Although the Knee Society Knee Score (KSKS) was 9 +/- 3 points better in the PSI group (P = 0.008), the two years improvement in KSKS was comparable between the two groups. None of the patients required revision surgery. These findings cannot justify the additional costs and waiting time incurred by the patients with PSI surgery in the practice of a high volume surgeon. (C) 2015 Elsevier Inc. All rights reserved.
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