[Translated article] Closing wedge high tibial osteotomy: An old-fashioned technique? Survival, clinical and radiological outcomes of a case series analysis

R Ferrer Rivero; O Pujol; J Ferrer Rivero; G Oliver Far

doi:10.1016/j.recot.2024.01.028

[Translated article] Closing wedge high tibial osteotomy: An old-fashioned technique? Survival, clinical and radiological outcomes of a case series analysis

Rev Esp Cir Ortop Traumatol. 2024 Feb 6:S1888-4415(24)00055-9. doi: 10.1016/j.recot.2024.01.028. Online ahead of print.

[Article in English, Spanish]

Authors

R Ferrer Rivero¹, O Pujol², J Ferrer Rivero³, G Oliver Far⁴

Affiliations

¹ Departamento de Cirugía Ortopédica y Traumatología, Hospital Universitario Bellvitge, Universidad de Barcelona, Hospitalet de Llobregat, Spain. Electronic address: rferrer_5@hotmail.com.
² Departamento de Cirugía Ortopédica y Traumatología, Hospital Universitario Vall d'Hebron, Universidad Autònoma de Barcelona, Barcelona, Spain.
³ Departamento de Cirugía Ortopédica y Traumatología, Hospital Universitario Germans Trias i Pujol, Universidad de Barcelona, Badalona, Spain.
⁴ Departamento de Cirugía Ortopédica y Traumatología, Hospital Universitario Bellvitge, Universidad de Barcelona, Hospitalet de Llobregat, Spain.

PMID: 38325572
DOI: 10.1016/j.recot.2024.01.028

Abstract

Introduction: Closing wedge high tibial osteotomy (CW-HTO) is a surgical option for active patients with medial knee pain and mild-moderate osteoarthritis with varus limb deformity. Despite its good reported results, this technique has been losing popularity. The aim of this study was to analyse the survival rate, clinical functional outcomes and radiological results of CW-HTO.

Methods: It is a retrospective case series study. Seventy patients with primary knee osteoarthritis, operated on between 2010 and 2020 in a single Spanish tertiary hospital using the CW-HTO technique and with a minimum follow-up of 2 years were analysed.

Results: Survival rate was 87.6% and 75.5% after a follow-up of 5 and 10 years respectively. Functional outcomes were good-to-excellent (KSS 77.7/100 and OKS 35.6/48) and good pain control (VAS 3.9/10) and high satisfaction (7.2/10) were achieved. Limb varus malalignment was significantly corrected (mean postoperative HKA angle 177.6° and MPTA 90.7°). However, 30% of patients presented hypocorrection, which was associated with inferior survival, functionality and satisfaction.

Conclusion: CW-HTO technique can be useful for patients with knee osteoarthritis and varus limb. It allows to correct varus malalignment while achieving good-to-excellent functional outcomes, good pain control, high patient satisfaction and acceptable medium-long term survival rate. However, it is associated with a non-negligible risk of hypocorrection or medial hinge disruption.

Keywords: Cirugía preservativa; Closing wedge high tibial osteotomy; Knee; Osteoarthritis; Osteoartritis; Osteotomy; Osteotomía; Osteotomía de sustracción lateral tibial; Preservative surgery; Rodilla; Varo; Varus.