Early Surgical Effects and Influencing Factors of High Tibial Osteotomy in the Treatment of Knee Osteoarthritis

A retrospective study was conducted on patients who underwent HTO at the First Affiliated Hospital of Shandong First Medical University from January 2018 to December 2020, and the preoperative and postoperative imaging indicators [medial proximal tibial angle (MPTA), joint line intersection angle (JLCA), hip-knee-ankle angle (HKA angle), knee weight-bearing line percentage (WBL%), postoperative distraction distance, postoperative distraction angle] and knee joint function score [including the American Hospital for Special Surgery (HSS) knee score, American Knee Society score (KSS), Lysholm score, Western Ontario and McMaster Universities Osteoarthritis Index score (WOMAC), and all were included in logistic regression analysis to study the surgical effect and impact of HTO factor

Inclusion criteria

• Medial knee OA, varus deformity is mainly in the tibia
• Aged ≤70 years old, with higher requirements for future activities
• Knee joint extension is limited to ≤10°, and flexion is >90°
• Body Mass Index (BMI) ≤ 40
• No subchondral bone wear

Exclusion criteria

• There is a history of fracture or surgery of the lower limb on the operated side
• Traumatic KOA
• Combined with nerve, muscle or connective tissue diseases
• Incomplete imaging data and loss of follow-up