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ORIGINAL ARTICLE
Year : 2021  |  Volume : 36  |  Issue : 2  |  Page : 21-26

To assess the functional and radiological outcomes in patients of medial compartment osteoarthritis of knee undergoing medial open-wedge high tibial osteotomy


Department of Orthopaedics, Teerthanker Mahaveer Medical College and Research Centre, TMU, Moradabad, Uttar Pradesh, India

Correspondence Address:
Sandeep Bishnoi
Department of Orthopaedics, Teerthanker Mahaveer Medical College and Research Centre, TMU, Moradabad, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jbjd.jbjd_2_21

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Background: Varus malalignment at the knee can lead to medial compartment overload and progression of ipsilateral compartment osteoarthritis (OA). In such cases, a valgus-producing medial open-wedge high tibial osteotomy (MOWHTO) has been proposed to restore neutral mechanical alignment and alleviate excess load on the medial compartment. One distinct advantage of this procedure is the ability to correct deformities in the sagittal and coronal planes. The present study was conducted with the aim to analyze the difference in the pre- and postoperative functional scores and to estimate the changes in the pre- and postoperative radiological alignment in the patients managed by MOWHTO for uni/medial compartmental OA knee. Materials and Methods: Fifteen patients with medial compartment OA knee Kellgren–Lawrence Grade II and III with a mean age of 54.46 years were managed with MOWHTO. Clinical assessment was done using the Knee Society Score (KSS) preoperatively and postoperatively at 3, 6, and 9 months. Radiological assessment was done using the Puddu technique on the load-bearing lower limb antero-posterior X-ray extending from the hip joint up to the ankle preoperatively at postoperatively at 3 and 9 months. Results: All patients had pain relief and improvement in walking ability after the procedure. The mean KSS significantly improved from 35.50 ± 9.78 preoperatively to 55.07 ± 9.13, 67.14 ± 10.06, and 74.14 ± 4.09 at 3, 6, and 9 months postoperatively, respectively (P < 0.01). The mean varus angle significantly improved from 9.06° preoperatively to 1.43° varus at 3 months postoperatively (P = 0.001) and 1.64° varus at 9 months postoperatively and was found to be significant. Conclusion: After a follow-up of 9 months, we found that the MOWHTO of the tibia is an effective method to treat the medial compartment OA knees. It leads to significant improvement in both the clinical and radiological outcomes.


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