Medial open wedge high tibial osteotomy (MOWHTO) is a well-established surgical procedure for osteoarthritis (OA) of the knee with varus malalignment. However, it is uncertain whether MOWHTO is an effective surgical procedure for early OA. This study aimed to evaluate the clinical results of MOWHTO for early OA of the knee with varus malalignment.

Materials And Methods

This was a retrospective analysis of 87 patients in whom varus malalignment was corrected by MOWHTO between January 2017 and December 2022. Kellgren-Lawrence grade 0–1 was defined as early OA and grade =2 as established OA. Range of motion at the knee, Forgotten Joint Score-12, Knee Injury and Osteoarthritis Outcome Score, and radiological findings were compared between the early OA group and the established OA group.

Results

The established OA group (n = 49) was significantly older than the early OA group (n = 38) (p = 0.02). There were no differences between the groups in preoperative or postoperative hip-knee-ankle angle or range of motion or in improvements in the Forgotten Joint Score-12 or Knee Injury and Osteoarthritis Outcome Score. The median follow-up duration was more than 24.0 months in both groups.

Conclusion

MOWHTO had a good clinical outcome in patients with early OA and varus malalignment over a median follow-up of 2 years.

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Medial Hinge Fracture After Closing Wedge High Tibial Osteotomy: Classification and Risk Factor Analysis of a Neglected Complication ePoster Presentation Gian Andrea Lucidi, MD, ITALY Giovanni Balboni, MD, ITALY Luca Solaro, MD, ITALY Margherita Bonaiuti, PhD, ITALY Constantinos Drousiotis, MD, ITALY Giacomo Dal Fabbro, MD, AUSTRALIA Alberto Grassi, PhD, ITALY Stefano Di Paolo, Eng, PhD, ITALY Stefano Zaffagnini, MD, Prof., ITALY
Trochlear Cartilage Regeration After Arthroscopic Marrow Stimulation Combined With High Tibial Osteotomy And 3-Dimensionally Measured Patellofemoral Biomechanical Parameters ePoster Presentation Byeong-Hun Jeon, MD, KOREA, REPUBLIC OF Se-Han Jung, MD, KOREA, REPUBLIC OF Min Jung, MD, PhD, KOREA, REPUBLIC OF Kwangho Chung, MD, KOREA, REPUBLIC OF Hyun-Soo Moon, MD, PhD, KOREA, REPUBLIC OF Sung-Hwan Kim, MD, PhD, KOREA, REPUBLIC OF
Normative Values Of Radiographic Parameters In Coronal Plane Lower Limb Alignment In Japanese General Population; Cross-Sectional Study In Iwaki Cohort ePoster Presentation Ryoto Kura, MD, JAPAN Eiji Sasaki, MD, PhD, JAPAN Takahiro Tsushima, MD, PhD, JAPAN Yukiko Sakamoto, MD, PhD, JAPAN Kyota Ishibashi, MD, JAPAN Yuka Kimura, MD, PhD, JAPAN Eiichi Tsuda, Prof., JAPAN Yasuyuki Ishibashi, MD, JAPAN
Comparable Early Conversion Rates To Total Knee Arthroplasty Among Different Bony Deformity Locations After Medial Opening Wedge High Tibial Osteotomy: A North American Cohort Study ePoster Presentation Takaaki Hiranaka, MD, PhD, AUSTRALIA Takeo Tokura, MD, JAPAN Ryan M. Degen, MD, FRCSC, CANADA Kevin R. Willits, MD, FRCS, CANADA Robert Litchfield, MD, FRCSC, CANADA Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, QATAR
The Benefits Of A Percutaneous Supplemental Screw To Reinforce The Hinge Of A Medial Open Wedge Tibial Osteotomy ePoster Presentation Hsuan‑Hsiao Ma, MD, TAIWAN En-Rung Chiang, MD, PhD, TAIWAN
Changes In Coronal Tibial Alignment In Anterior Tibial Closing Wedge Osteotomy Are Caused By Axial Rotation Of The Hinge ePoster Presentation Julius Watrinet, MD, Dr. med., GERMANY Philipp Blum, MD, GERMANY Julian Mehl, MD, GERMANY Sebastian Siebenlist, MD, MHBA, Prof., GERMANY Julian Fürmetz, PD MD, GERMANY
Small Changes Of Femoral Torsion After Distal Femoral Osteotomy Using Patient-Specific Instruments Even In Case Of A Hinge Fracture ePoster Presentation Lukas Jud, MD, SWITZERLAND Georgios Neopoulos, MD, SWITZERLAND Sandro Hodel, MD, SWITZERLAND Lazaros Vlachopoulos, MD, PhD, SWITZERLAND Sandro Fucentese, Prof MD, SWITZERLAND
Mechanical effects of sagittal plane angle on transverse cut in OWHTO and OWDTO: A finite element method ePoster Presentation Shogo Matsuda, MD, JAPAN Masashi Hirakawa, MD, PhD, JAPAN Mitsugu Todo, PhD, JAPAN Yu Nagashima, MD, JAPAN Hiroya Akase, MD, JAPAN Nobuhiro Kaku, MD, PhD, JAPAN
Novel Safety Device Eliminates Neurovascular Injury In Medial-opening Wedge High Tibial Osteotomy ePoster Presentation Masafumi Itoh, MD, PhD, JAPAN Junya Itou, MD, PhD, JAPAN Umito Kuwashima, MD, PhD, JAPAN Shunya Otani, MD, PhD, JAPAN Ken Okazaki, MD, PhD, Prof., JAPAN
Knee Adduction Moment During Gait Vs. Radiographic Alignment Parameters: HTO Optimal Target From A Dynamic Perspective ePoster Presentation Kee Soo Kang, MD, KOREA, REPUBLIC OF Na-Kyoung Lee, MD, PhD, KOREA, REPUBLIC OF Sohyeon Jeon, KOREA, REPUBLIC OF Shi Eun Lee, RN, KOREA, REPUBLIC OF Ja-Young Choi, MD, PhD, KOREA, REPUBLIC OF Seung-Baik Kang, MD, PhD, Prof., KOREA, REPUBLIC OF Chong Bum Chang, MD, PhD, KOREA, REPUBLIC OF
Short-Term Clinical Outcomes Of Medial Open-Wedge Distal Tuberosity Tibial Osteotomy For Early Osteoarthritis Of The Knee ePoster Presentation Yoshitaka Nakao, MD, JAPAN Hiroshi Nakayama, MD., PhD. Associate Professor., JAPAN Tomoya Iseki, MD, PhD, JAPAN Ryo Kanto, MD, PhD., JAPAN Shintaro Onishi, MD, PhD, JAPAN Takuya Iseki, MD, PhD, JAPAN Toshiya Tachibana, MD, PhD, JAPAN
Double-Level Osteotomy: A Systematic Review Of Patient-Reported Outcomes, Conversion To Total Knee Arthroplasty, Complications, And Alignment ePoster Presentation Anil S. Ranawat, MD, UNITED STATES Gabrielle Dituri, BS, UNITED STATES Akshay Raghuram, BS, UNITED STATES Nathan Varady, MD, MBA, UNITED STATES

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Medial Degenerative Disease of the Knee Without Radiographic Osteoarthritis is a Good Indication for Medial Open Wedge High Tibial Osteotomy

Medial Degenerative Disease of the Knee Without Radiographic Osteoarthritis is a Good Indication for Medial Open Wedge High Tibial Osteotomy

Introduction

Materials And Methods

Results

Conclusion

Knee Osteotomy ePosters

Sign-in to ISAKOS

Medial Degenerative Disease of the Knee Without Radiographic Osteoarthritis is a Good Indication for Medial Open Wedge High Tibial Osteotomy

Medial Degenerative Disease of the Knee Without Radiographic Osteoarthritis is a Good Indication for Medial Open Wedge High Tibial Osteotomy

Introduction

Materials And Methods

Results

Conclusion