Tehran University of Medical Sciences Journal of Orthopedic and Spine Trauma 2538-2330 10 2 2024 06 30 48 51 Alireza Moharrami Joint Reconstruction Research Center, Tehran University of Medical Sciences Mohammad Mirahmadi Eraghi Joint Reconstruction Research Center, Tehran University of Medical Sciences Shahabaldin Beheshti Fard Joint Reconstruction Research Center, Tehran University of Medical Sciences Ali Asadifar Radiology Resident, Department of Radiology, Afzalipour Faculity of Medicine, Kerman University of Medical Scineces, Kerman, Iran, Ehsan Fallah Joint Reconstruction Research Center, Tehran University of Medical Sciences Sadulla Sharifpour Orthopedic Surgeon, Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran SM Javad Mortazavi Joint Reconstruction Research Center, Tehran University of Medical Sciences 2023 06 06 2024 06 30 The request for total knee arthroplasties (TKA) is increasingly being raised and imposes an enormous burden on the healthcare system. Most subjects represent symptomatic concomitant low back pain (LBP) at baseline, interfering with functional outcomes with little or no improvement in mental health following TKA. Orthopedics should notify the patients suffering from concomitant LBP about the like hood of unfavorable recovery. The authors describe the functional outcomes and satisfaction following TKA in patients suffering from concomitant LBP. https://jost.tums.ac.ir/index.php/jost/article/view/502 https://jost.tums.ac.ir/index.php/jost/article/download/502/362