Publications by authors named "Dermot Collopy"

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Knee hyperextension is a sign of through-range laxity and may be effectively managed without routine joint line distalisation in a robotic functional alignment workflow.
Anton Lambers, Serene Lee, Kate Langton, Dermot Collopy, Gavin Clark

Knee Surg Sports Traumatol Arthrosc· December 2025

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Impact of Tibiofemoral Compartment Gaps on Patient-reported Outcome Measures Following Robotic-assisted Total Knee Arthroplasty.
Soham Ghoshal, Adriana P Liimakka, Michael S Roberts, William Sorel, Gavin W Clark, Dermot M Collopy

J Surg Orthop Adv· December 2025

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Instrumented Mechanical Total Knee Arthroplasty Routinely Decreases the Medial Posterior Condylar Offset.
Anton Lambers, Matthew T Mann, Dermot Collopy, Gavin Clark

Cureus· November 2025

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The influence of native Coronal Plane Alignment Knee phenotype on two-year outcomes of functionally aligned robot-assisted total knee arthroplasty.
Jonathan R Manara, Sarah L Whitehouse, Melanie Marley, Matthew Goonatillake, Dermot Collopy

Bone Joint J· October 2025

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Tibial Components Placed in Constitutional Varus Alignment in Primary Total Knee Arthroplasty: A 5-Year Survivorship Analysis.
Rohat B Bhimani, John E Whitaker, Maunil Mullick, Gavin W Clark, Serene Lee, Dermot M Collopy

J Arthroplasty· July 2025

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Functional alignment restores native kinematics more consistently than mechanical axis alignment in total knee arthroplasty.
Jonathan R Manara, Rick Steer, Sarah L Whitehouse, Dermot Collopy, Gavin W Clark

Bone Joint J· April 2025

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Outcomes following functionally aligned total knee arthroplasty in severe varus deformity.
Richard Hogan, Baha John Tadros, Serene Lee, Dermot Collopy, Gavin Clark

J Clin Orthop Trauma· January 2025

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Functional alignment minimizes changes to joint line obliquity in robotic-assisted total knee arthroplasty: a CT analysis of functional versus kinematic alignment in 2,116 knees using the Coronal Plane Alignment of the Knee (CPAK) classification.
Victor A van de Graaf, Gavin W Clark, Dermot Collopy, Jil A Wood, Darren B Chen

Bone Jt Open· December 2024

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A case-matched series comparing functional outcomes for robotic-assisted unicompartmental knee arthroplasty versus functionally aligned robotic-assisted total knee arthroplasty.
Jonathan R Manara, Macdaniel Nixon, Beth Tippett, Wil Pretty, Dermot Collopy

Bone Jt Open· December 2024

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No evidence of mid-flexion instability after robotic-assisted total knee arthroplasty as assessed by intraoperative pressure sensors.
Mateo Armendariz, Baha John Tadros, Dermot Collopy, Gavin Clark

Arthroplasty· July 2024

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Functionally aligned total knee arthroplasty: A lateral flexion laxity up to 6 mm is safe!
Jeremy Nixon, Baha John Tadros, Ignacio Moreno-Suarez, William Pretty, Dermot Collopy

Knee Surg Sports Traumatol Arthrosc· May 2024

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Maintaining Joint Line Obliquity Optimizes Outcomes of Functional Alignment in Total Knee Arthroplasty in Patients With Constitutionally Varus Knees.
Gavin W Clark, Richard A Steer, Ramzan N Khan, Dermot M Collopy, David Wood

J Arthroplasty· July 2023

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Two-Year Prospective RSA Measured Migration of a Third-Generation Taper Wedge Cementless Femoral Stem.
Dermot Collopy, Jonathan Manara

Surg Technol Int· November 2022

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Clinical results and patient-reported outcomes following robotic-assisted primary total knee arthroplasty : a multicentre study.
Peter Y Joo, Antonia F Chen, Jarod Richards, Tsun Y Law, Kelly Taylor, Dermot Collopy

Bone Jt Open· August 2022

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A progressive scholarly acceptance analysis of robot-assisted arthroplasty: a review of the literature and prediction of future research trends.
Dylan Misso, Emily Zhen, John Kelly, Dermot Collopy, Gavin Clark

J Robot Surg· October 2021

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A prospective randomised control trial comparing functional with mechanical axis alignment in total knee arthroplasty: study protocol for an investigator initiated trial.
Richard Steer, Beth Tippett, R Nazim Khan, Dermot Collopy, Gavin Clark

Trials· August 2021

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Taper Corrosion and Adverse Local Tissue Reactions in Patients with a Modular Knee Prosthesis.
Tom Christiner, Moreica B Pabbruwe, Alan M Kop, Jeremy Parry, Gavin Clark, Dermot Collopy

JB JS Open Access· December 2018

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Incidence and clinical relevance of heterotopic ossification after internal fixation of acetabular fractures: retrospective cohort and case control study.
Dominik Baschera, Hooman Rad, Dermot Collopy, René Zellweger

J Orthop Surg Res· May 2015

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Development and verification of a cementless novel tapered wedge stem for total hip arthroplasty.
Ahmad Faizan, Thies Wuestemann, Jim Nevelos, Adam C Bastian, Dermot Collopy

J Arthroplasty· February 2015

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Alignment for total knee replacement: a comparison of kinematic axis versus mechanical axis techniques. A cadaver study.
Michael Nogler, William Hozack, Dermot Collopy, Eckart Mayr, Gregory Deirmengian

Int Orthop· November 2012

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Bilateral Morel-Lavallée lesions after complex pelvic trauma: a case report.
Timothy John Phillips, Benjamin Jeffcote, Dermot Collopy

J Trauma· September 2008

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Patellar resurfacing in total knee arthroplasty: a prospective, randomized trial.
David J Wood, Anne J Smith, Dermot Collopy, Bruce White, Boris Brankov

J Bone Joint Surg Am· February 2002

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