Functional Outcome of Total Knee Replacement in Patients with Rheumatoid Arthritis

Muhammad Naveed Memon1, Syed Shahid Noor2, M. Kazim R. Najjad3, Osama Bin Zia4, Asad Khan Ghilzai5


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.

Results: Out of 740 patients, 414 patients (56%) had road traffic accidents. Femur was the commonest bone that suffered fracture 281 (38%), and then was Tibia 185 (25%). In upper limb Radius and Ulna fractures 118 (16%) were more common than Humerus 67 (9%). 540 patients (73%) had closed fractures while 200 patients (27%) had open fracture. Mean age of patients suffering road traffic accidents was 28 years, but in case of patients suffering fall, the mean age was 65 years. Male to female ratio was 3:1. Majority of patients 636 (86%) were riding motorcycle at the time of accident.


Conclusion: 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.