Computer assisted alignment of opening wedge high tibial osteotomy provides limited improvement of radiographic outcomes compared to flouroscopic alignment

The Knee
Jeremy C StanleyJulian A Feller

Abstract

There are numerous methods available to assist surgeons in the accurate correction of varus alignment during medial opening wedge high tibial osteotomy (MOWHTO). Preoperative planning performed with radiographs or more recently intraoperative computer navigation software has been used. The aim of the study was to compare the accuracy of computer navigated versus non-navigated techniques to correct varus alignment of the knee. The preoperative and postoperative radiographs of 117 knees that underwent MOWHTO were investigated to assess radiographic limb alignment 12-months postoperatively. The desired correction was defined as a weight bearing line (Mikulicz point {MP}) 58% of the width of the tibial plateau from the medial tibial margin. Sixty-five knees were corrected using a conventional technique and 52 knees were corrected using computer navigation. The mean MP percentage was 59% in the navigated group, compared with 56% in the fluoroscopic group (p=0.183). 51.9% of the navigation knees were corrected to within five percent of the desired correction, in contrast to 38.5% of the fluoroscopically corrected knees (p=0.15). 71.2% of the navigated knees were corrected to within 10% of the desired correction, compared with 63.1% o...Continue Reading

References

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Citations

Oct 28, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·James YanOlufemi R Ayeni
Mar 21, 2017·The Knee·D W Elson
Feb 10, 2018·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Yong Nie ZeYu HuangFuXing Pei
Jan 4, 2018·The Journal of Bone and Joint Surgery. American Volume·Stephen J WarnerMark R Brinker
Sep 11, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·S CercielloR Seil
Jun 2, 2018·BioMed Research International·Jesse Chieh-Szu YangShang-Chih Lin
Jul 11, 2018·Journal of Orthopaedic Surgery and Research·Mathias DonnezSébastien Parratte
May 4, 2021·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Ju-Ho SongBum-Sik Lee
Sep 19, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Nicolas TardyUNKNOWN Francophone Arthroscopy Society

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