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Year : 2018  |  Volume : 21  |  Issue : 9  |  Page : 1202-1208

Total knee replacement in Nigeria: An assessment of early functional outcome of 68 consecutive knees

1 Department of Surgery, University of Nigeria Teaching Hospital, Enugu, Nigeria
2 Davidson and Judith Consultants Clinics, Enugu, Nigeria
3 National Orthopaedic Hospital, Enugu, Nigeria
4 Department of Surgery, Anambra State University Teaching Hospital, Awka, Nigeria

Correspondence Address:
Dr. A U Katchy
Department of Surgery, University of Nigeria Teaching Hospital, Enugu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_179_18

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Background: Although there are many methods of treatment for knee osteoarthritis (OA), total knee replacement (TKR) is a very effective way of managing this condition as it improves function and alleviates pain with a consequential improvement on quality of life of patients. To our knowledge, no comprehensive study of the outcome of TKR has been published in our environment, hence the need for a study of our TKR outcomes. Objectives: The aim of this study is to describe the pattern of presentations of our patients with knee OA who have undergone TKR, assess the outcome, and identify any variables that affect the outcome. Patients and Method: Between November 2008 and November 2013, 68 TKRs for treatment of end stage arthritis were carried out for 52 patients. All the patients were implanted with the same prosthesis design (DePuy and Biomet) and had posterior cruciate substituting knee. The average follow-up was 5 years. The preoperative and postoperative Oxford knee score (OKS) was used for outcome measurement at 1 and 5 years. Results: There were 20 males and 32 females (M:F ratio = 5:8). The mean age of the patients was 63.54 ± 0.62 with a range of 55 to 77. There were 18 (26.47%) valgus knees with a mean angle 22.07° ± 5.73°, 12 (17.65%) varus knees with a mean angle 14.69° ± 2.84°, 8 (11.77%) knees with flexion deformity with a mean angle of 10.2° ± 1.32°, and 30 (44.11%) knees had no deformities at all. The variables like deformities, comorbidities, gender, side-affect, and occupation did not affect the outcome (P > 0.05). At 1 year and 5 years, there was no radiological evidence of osteolysis, loosening, or component subsidence. Conclusion: Despite the deformities and comorbidities, our patients presented with quality of life improved based on the improved OKS of the patient. We recommend a well-planned meticulously executed TKR for patients with debilitating OA in our environment.

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