Robert L. Barrack

Barnes-Jewish Hospital, Joint Replacement Institute

Papers

Total Citations

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About

Robert L. Barrack is a leading orthopaedic surgeon and researcher whose work centers on advancing total knee arthroplasty (TKA) and unicompartmental knee arthroplasty (UKA) through precision technology. His major contributions lie in demonstrating the superiority of computed tomography (CT)-based robotic assistance over manual instruments for achieving optimal sagittal alignment in TKA, a finding that has reshaped surgical planning and outcomes. Barrack’s research also critically evaluates the accuracy of robotic-assisted UKA, showing improved radiological outcomes compared to manual techniques, as evidenced by his 2021 study with 10 citations. He actively engages with the field’s most pressing debates, as seen in his 2023 review of “hot topics” such as mechanical versus kinematic alignment and the role of robotics. With a career spanning decades, Barrack has been instrumental in translating engineering innovations into clinical practice, influencing how surgeons approach alignment strategies. His work, cited over 2,000 times, continues to guide evidence-based adoption of robotic systems in arthroplasty, making him a pivotal figure in modern joint replacement surgery.