Papers
13
Total Citations
246
H-Index
8
About
Dermot Collopy is an orthopedic surgeon and researcher whose work sits at the forefront of total knee arthroplasty (TKA), with particular expertise in alignment philosophy, robotic-assisted surgery, and patient-reported outcomes. His most influential contribution centers on functional alignment (FA) in TKA — a patient-individualized approach that preserves constitutional joint line obliquity rather than imposing a standardized mechanical axis. His 2023 paper demonstrating the importance of maintaining joint line obliquity in constitutionally varus knees has already garnered 76 citations, reflecting rapid uptake within the arthroplasty community. Collopy has been instrumental in validating robotic-assisted TKA at scale, leading a multicenter registry study of 861 cases that demonstrated meaningful clinical and patient-reported improvements at two-year follow-up. His research rigorously interrogates the biomechanical nuances of FA, including flexion gap tolerance and native kinematic restoration, while also prospectively comparing FA against mechanical alignment through a randomized controlled trial. Spanning over 230 cumulative citations across his body of work, Collopy's research is shaping how surgeons think about personalized knee replacement, making him an important emerging voice in evidence-based arthroplasty practice.
Research Focus
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