The association between component malalignment and post-operative pain following navigation-assisted total knee arthroplasty: results of a cohort/nested case-control study.

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Thomas CzurdaPeter Ritschl

Abstract

Previous studies have noted an adverse relationship between implant malalignment during total knee arthroplasty (TKA) and post-operative pain. Although some evidence exists indicating that computer-assisted surgical navigation for TKA can improve the accuracy of component alignment, its impact on clinical outcomes is currently unknown. The dual goals of the present cohort/nested case-control study were to (1) compare self-reported responses to the Western Ontario-McMaster Osteoarthritis Index (WOMAC) questionnaire between computer-assisted TKA (123 patients) using the imageless PiGalileo navigation system and conventional TKA (207 patients) [cohort analysis], and (2) to investigate a potential association between malalignment and post-operative pain in 19 painful knees and 19 asymptomatic knees obtained from the cohort analysis using matched sampling [nested case-control study]. In the cohort analysis, a relevant but non-significant (P = 0.06) difference in the occurrence of chronic pain was observed between the navigated (12%) and conventional arms (20%). Median post-operative WOMAC pain score was 100 (range, 50-100) in the conventional group and 100 (range, 65-100) in the navigated group. However, the Mann-Whitney test reveal...Continue Reading

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Citations

May 21, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·R Becker
May 4, 2013·BMC Sports Science, Medicine and Rehabilitation·Hiroshi InuiTakumi Nakagawa
Nov 30, 2013·International Journal of Rheumatology·Michelle M Dowsey, Peter F M Choong
May 29, 2014·Clinical Orthopaedics and Related Research·Marrigje F MeijerMartin Stevens
Feb 2, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·C BaierJ Beckmann
Dec 29, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·David F RussellFrederic Picard
Aug 27, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Daniel Hernandez-VaqueroJimena Llorens de los Rios
Jul 7, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Tao ChengXianlong Zhang
Jul 16, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Namık SahinBülent Avcu
Jul 4, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Namık SahinYüksel Ozkan
Jan 24, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Patrick WeberPeter E Müller
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Jul 15, 2020·Knee Surgery & Related Research·Mohammad Kamal AbdelnasserYaser Khalifa
Jul 14, 2021·Archives of Orthopaedic and Trauma Surgery·M PietschTh Hofstädter

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