Observational Study
Copyright ©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Orthop. May 18, 2024; 15(5): 444-456
Published online May 18, 2024. doi: 10.5312/wjo.v15.i5.444
Unicompartmental knee arthroplasty vs high tibial osteotomy for knee osteoarthritis: A comparison of clinical and radiological outcomes
Frederick William Wyatt, Oday Al-Dadah
Frederick William Wyatt, Oday Al-Dadah, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
Frederick William Wyatt, Oday Al-Dadah, Department of Trauma and Orthopaedic Surgery, South Tyneside District Hospital, South Shields NE34 0PL, United Kingdom
Author contributions: Wyatt FW was responsible for the writing of the final manuscript and also contributed towards study design, data acquisition and interpretation of the analysed data; Al-Dadah O contributed towards study design, data acquisition, data analysis and reviewed/edited the final written manuscript; and both authors have read and approved the final manuscript.
Institutional review board statement: This was an observational study using existing data from routine clinical care, therefore IRB approval was not required.
Informed consent statement: This was an observational study using existing data from routine clinical care, therefore separate consent forms were not required.
Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.
Data sharing statement: Technical appendix, statistical code, and dataset available from the corresponding author at frederick.wyatt2@northumbria-healthcare.nhs.uk.
STROBE statement: The authors have read the STROBE Statement—checklist of items, and the manuscript was prepared and revised according to the STROBE Statement—checklist of items.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Frederick William Wyatt, MBBS, MRes, Academic Foundation Doctor, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Framlington Place, Newcastle Upon Tyne NE2 4HH, United Kingdom. frederick.wyatt2@northumbria-healthcare.nhs.uk
Received: January 23, 2024
Revised: March 5, 2024
Accepted: April 12, 2024
Published online: May 18, 2024
Processing time: 112 Days and 14.5 Hours
Core Tip

Core Tip: A great deal of uncertainty exists in the literature about which operation, out of unicompartmental knee arthroplasty (UKA) or high tibial osteotomy (HTO), is more beneficial in the treatment of knee osteoarthritis. This study adds evidence to the existing literature base, concluding that HTOs and UKAs are equally efficacious operative interventions capable of providing a comparable degree of improvement in joint function and global health-related quality of life, to those with medial compartment knee osteoarthritis at one year postoperatively. This study is the first of its kind to report a correlation analysis between the angle of Mikulicz line and patient-reported health outcomes. It demonstrated that preoperatively, a more distolaterally angled Mikulicz line was associated worse knee function/health-related quality of life. The mechanisms underlying this relationship remain unknown and represent an avenue for future research; the authors of this study posit an association with the external knee adduction moment.