Evaluation of outcome of medial opening wedge high tibial osteotomy with an external ring fixator for medial compartment osteoarthritis of knee with varus deformity
Journal Title: Medpulse International Journal of Orthopedics - Year 2018, Vol 7, Issue 2
Abstract
Background: There are very few studies regarding the clinical outcome of high tibial medial opening wedge osteotomy in osteoarthritis of knee. The aim of the study is, To evaluate the outcome of medial opening wedge high tibial osteotomy for medial compartment osteoarthritis of knee, To evaluate the deformity correction by X-ray, CT Scanogram and assess the relief of symptoms of osteoarthritis, function, pain and patient satisfaction using Knee Society scoring system. Methods: We prospectively followed 50 consecutive patients with medial compartment osteoarthritis of knee joint requiring surgery. In our study the patient data, the knee joint pain, knee joint deformity, knee joint mechanical axis, the knee society score were recorded pre-operatively and post-operatively. Pain was analysed using visual analogue scale both pre and post operatively on the visual analogue scale for pain. The varus deformity in these patients were graded as mild (0-5 degree), moderate (5-10 degree) and severe (7-10 degree. The Mean mechanical axis in the pre and post operative group were statistically analysed with the help of student T test. Results: A Total of 50 patients were included in the study. 33 patients (66%) had moderate deformity and 17 patients (34%) had severe deformity pre-opereratively. Pain was analysed using visual analogue scale both pre and post operatively on the visual analogue scale for pain. Pre-operatively majority of the patient had score of 8 (40%), followed by 7 (30%) and 6 (20%) and 9 (10%). Post operatively majority of the patient had a score of 1 (25%) followed by a score of 2 (15%) and then score of 3 (10%). The pain score when compared on student T test was found to be decrease by 5 points after surgery. The Mean Knee Society Score pre-operatively was found to be 33.6 which improved post-operatively to a mean score of 84.02. Conclusion: We concluded that significant improvement in the knee joint pain due to osteoarthritis was achieved post-operatively. The mechanical axis correction was significant. There was significant improvement in the knee society score following high tibial wedge osteotomy in medial compartment osteoarthritis of knee. It is a safe and efficacious technique and offers major advantage of outpatient surgery. The complications were too minimal like pin tract infections and were adequately treated.
Authors and Affiliations
Ansari Abdullah, Mohd. Abdul Naser, Anil Dhule
Keywords
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- EP ID EP467259
- DOI 10.26611/1020728
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