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Original Article

J Pak Ortho Assoc.. 2016; 28(3): 67-70

Functional Outcome of Total Knee Replacement in Patients with Rheumatoid Arthritis

Muhammad Naveed Memon; Syed Shahid Noor; M. Kazim R. Najjad; Osama Bin Zia; Asad Khan Ghilzai.

Objective: To evaluate the functional outcome of Rheumatoid Arthritis (RA) undergoing primary total knee arthroplasty (TKA).
Methods: Data was analyzed from Pakistan National Joint Registry (PNJR) from April 2014 to April 2015 to assess functional outcome of all patients who underwent TKA by a single surgeon and had a diagnosis of rheumatoid arthritis using Knee Society Scores (KSS) preoperatively and postoperatively at 3 months, 6 month and 1 year.
Result: Out of 39 patients 31 were female and 8 were male with mean age of 55.58±8.35 and mean Body Mass Index of 29.21±4.80.Within 39 patients, 22 patients had left sided TKA and 17 patients had right sided TKA. The mean average of Knee and Function score was 95.38±1.23 and 94.17±9.87 respectively after 1 year follow up. Average knee range of motion had increased from 98.52±2.46 degrees preoperatively to 109.37±3.61 degrees postoperatively.
Conclusion: Total knee arthoplasty in patients with rheumatoid arthritis is a good surgical option with about 71.8 percent of people having excellent functional outcome according to knee society scoring system.

Key words: Rheumatoid Arthritis;total knee arthroplasty

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