• Abdullah O Bawazir, Hossein A Filimban, Nawaf Halabi, Salman W Bafageeh, Rayan Halabi, Saeed Albukhari, Eyad A Alakkas, Habib Al Etani, Abdullah Basalaim, Ahmed Alturkistan, and Bander Hetaimish.
• From the College of Medicine (Bawazir, Filimban, N. Halabi, Bafageeh, Albukhari), King Saud Bin Abdulaziz University for Health Sciences, from the College of Medicine (R. Halabi), King Abdulaziz University, from the Department of Surgery/Orthopedic Section (Alakkas, Al Etani, Basalaim, Alturkistan), King Faisal Specialist Hospital and Research Center, and from the Orthopedic Surgery Department (Hetaimish), College of Medicine, University of Jeddah, Jeddah, Kingdom of Saudi Arabia.
• Saudi Med J. 2022 Mar 1; 43 (3): 317-320.

ObjectivesTo characterize patients who underwent simultaneous bilateral total knee arthroplasty (simBTKA) and study the outcomes of surgery along with complication rates.MethodsThis is a retrospective study carried out at King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia. The study included patients who had undergone simultaneous bilateral total knee replacement from January 2010 until June 2021.ResultsThe median age of our patients was 64 (Q1-Q3: 59-70) years, 76 (13.2%) males and 393 (83.8%) were females. Hypertension was the most common associated comorbidity (56.29%) and primary osteoarthritis was the most common indication of surgery (96.8%). The median duration of surgery was 155 (140-175) minutes and the median duration of hospital stay was 9 (8-11) days. A total of 17 (3.62%) patients needed revision of surgery in a median duration of 265 (112-529) days. The composite endpoint of complications, intensive care unit admission, and blood transfusion occurred in 132 (28.14%) patients. Hospital stay was longer in males (coefficient: 0.11 [0.02-0.19]; p=0.01) and in patients with cardiac (coefficient: 0.12 [0.02-0.21]; p=0.02), and renal diseases (coefficient: 0.23 (0.06-0.39); p=0.01). Cardiac disease was the only factor associated with the composite outcome (odds ratio: 2.25 [1.19-4.24]; p=0.01).ConclusionOur results suggest simBTKA is a safe procedure with a low complication rate. However, male patients and those with cardiac and renal diseases are at increased risk of post-operative complications and prolonged hospital stay.Copyright: © Saudi Medical Journal.

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