Thursday 13 June

Thursday 13 Jun






Keynote: Osteoarthritis: Where We Are and What Lies Ahead

Kaspar Tootsi, MD, PhD, Estonia

Abstract session 14: Infections in arthroplasty

Rotterdam Hall 1


14.1 Precision medicine: personalizing antibiotic prophylaxis for hip and knee revision arthroplasty

Koen de Waard


14.2 Effect of non-contact induction heating on HA coatings and bone cement, an ex vivo study

Robert Kamphof


14.3 Diagnostic value of preoperative biopsies after a dry tap joint aspiration in prosthetic joint infection diagnosis; a retrospective study

Bart Copier


14.4 Timing of preoperative intra-articular steroid injections and periprosthetic joint infections in hip arthroplasty; a single center series of 5,909 hip arthroplasties

Ante Prkic

09:45 - 10:15 Green Orthopaedics

Pim van Egmond, MD

Rotterdam Hall 2

09:45 - 10:15 Robotics

Anne Vochteloo, MD, PhD, and Gerald Kraan, MD, PhD

Mees Room 1&2

09:45 - 10:15 Shoulder: pain in the middle aged patient

Prof. em. Ron Diercks, MD, PhD

Penn Room 1&2

10:15 - 10:45 Keynote: The Impact of “Northopedics”

Prof. Daniël Saris, MD, PhD, Orthopaedics Surgeon, USA

Rotterdam Hall 1

Abstract session 15 : Knee AC

Rotterdam Hall 2


15.1 Lateral Extra-Articular Tenodesis is Associated With an Increased Rate of Subsequent Procedures for Motion Deficit or Cyclops Lesion Following Primary Anterior Cruciate Ligament Reconstruction

Timothy Voskuijl


15.2 The influence of a treatment algorithm on shared decision making in patients with anterior cruciate ligament rupture – a patient and physician perspective

Floris de Vos


15.3 Functional performance and proprioception after ACL repair by dynamic intraligamentary stabilization compared to healthy controls in a case-matched study

Sophie Gommers


15.4 Predicting outcome following non-operative anterior cruciate ligament treatment: A systematic review

Floris de Vos

Abstract session 16: Hip morphology 1

Mees Room 1&2


16.1 Developing hip morphology based risk prediction models for hip osteoarthritis and evaluating on unseen populations: data of the World COACH consortium

Myrthe van den Berg


16.2 DXA Images Are a Reliable Alternative to Pelvic Radiographs for Performing Hip Morphology Measurements

Fleur Boel


16.3 CAM morphology and the risk developing radiographic HIP osteoarthritis within 8 years: an individual participant data meta-analysis from the world coach consortium

Jinchi Tang


16.4 The different subtypes of CAM morphology as defined by statistical shape modeling and their relationship with the development of HIP osteoarthritis within 10 years follow-up

Jinchi Tang

Abstract session 17: Shoulder arthroplasty

Penn Room 1&2


17.1 Similar Implant Survival Of Hemiarthroplasty And Total Shoulder Arthroplasty For Treatment Of Atraumatic Avascular Necrosis Of The Humeral Head

Nick Smeitink


17.2 Quantitative assessment of fatty infiltration in rotator cuff tears

Rianne Oomen


17.3 Variations in 1-year Trajectories of Levels of Pain and Capability After Shoulder Arthroplasty Are Associated with Baseline Mental Health

Melle Broekman


17.4 Detailed pain recovery trajectories during the first eight weeks after shoulder arthroplasty

Brechtje Hesseling




Keynote: Artificial Intelligence

Prof. Job Doornberg, MD, PhD, The Netherlands

11:45 - 12:15 New technologies 1: 3D

Anne Vochteloo, MD, PhD

Rotterdam Hall 1

11:45 - 12:30 Acta Orthopaedica session 2: The use of AI in medical writing

Rotterdam Hall 2

Abstract session 18: Knee: patella-femoral joint

Mees Room 1&2


18.1 The national prevalence of patellar dislocation and trochlea dysplasia: A study from the nationwide Faroese Knee Cohort

Niclas Højgaard Eysturoy


18.2 Familiar association of Trochlear Dysplasia: A cross-sectional study from the nationwide Faroese Knee Cohort

Niclas Højgaard Eysturoy


18.3 Patellar Dislocation and Trochlear Dysplasia impact quality of life: Reference patient-reported outcome measurement data from the nationwide Faroese Knee Cohort.

Niclas Højgaard Eysturoy


18.4 Long-term outcomes of medial patellofemoral ligament reconstruction (MPFLR) vs. proximal realignment procedures (PRP) in treating patellar instability of adolescents

Maija Jääskelä

11:45 - 12:15 Research Methodologies

Prof. Rudolf Poolman, MD, PhD and Dirk ter Meulen, MD

Penn Room 1&2

12:15 - 12:45 New technologies 2: patient journey

Prof. Richard Goossens, PhD

Rotterdam Hall 1

Abstract session 19: Green orthopaedics

Rotterdam Hall 2


19.1 Reducing our carbon footprint by using reusable navigation in RTSA. First study comparing the accuracy of freehand navigation with reusable navigation.

Freek Hollman


19.2 Optimization of surgical instrument trays for reversed shoulder arthroplasty to reduce environmental impact.

Isabella Klarenbeek

Abstract session 20: Knee UKA

Mees Room 1&2


20.1 Learning from the past – a radiographic analysis of 98 cases to identify potentially avoidable unicompartmental knee arthroplasty revisions

Alexander Hoorntje


20.2 A Comprehensive Study on Periprosthetic Tibial Fractures Following Unicompartmental Knee Arthroplasty: Incidence, Treatment Modalities, and Clinical Outcomes.

Hendrik de Raadt


20.3 Registry Analysis of Unicompartmental Knee Arthroplasty Revisions: The relation between revision rates, reason for revision and hospital characteristics.

Hendrik de Raadt


20.4 Migration in unicompartmental knee arthroplasty with the Persona® Partial Knee: a radiostereometric study with 5 years of follow-up

Jantsje Pasma

Abstract session 21: Infections periprosthetic

Penn Room 1&2


21.1 Validation of the incidence of reported periprosthetic joint infections in total hip and knee arthroplasty in the Dutch Arthroplasty Register

Mirthe van Veghel


21.2 "Periprosthetic joint infection after primary total knee arthroplasty with or without antibiotic bone cement: A meta-analysis based on international joint registry data. "

Tesfaye Leta


21.3 Prolonged wound leakage after joint arthroplasty – a nationwide study into the best treatment

Joyce Vrijsen


21.4 Plasma Calprotectin Versus Conventional Infection Biomarkers In Hip Fracture Patients – A Prospective Cohort Study

Cecilia Rogmark




Keynote: Register Based randomised studies

Prof. Nils Hailer, PhD, Sweden

14:15 - 14:45 Registries-LROI-NOF

Prof. Rob Nelissen, MD, PhD

Rotterdam Hall 1

14:15 - 14:45 Diversity in orthopedics

Max Reijman, PhD, Margot van der Grinten, MD and Prof. Denise Eygendaal, MD, PhD

Rotterdam Hall 2

14:15 - 14:45 Sports injuries

Guus Reurink, MD, PhD

Mees Room 1&2

Abstract session 22: AI in orthopedics

Penn Room 1&2


22.1 Safety of Cervical Pedicle Screw Navigation based on AI-generated, MRI-based Synthetic-CT versus CT

Peter Lafranca


22.2 Can a Large Language Model-based Chatbot avoid potential Misinformation related to questions about Upper Extremity Conditions?

Koen Oude Nijhuis


22.3 Are Lower Limb Alignment Measurements in Long Leg Radiographs Performed by AI Product Reliable?

Shima Gholinezhad


22.4 "Artificial Neural Networks Outperform Linear Regression In Estimating 9-Month Patient-Reported Outcomes Following Upper Extremity Fractures With Increasing Number Of Variables"

Niels Brinkman

14:45 - 15:15 Registries-NOF debate

Nils Hailer, PhD, and Prof. Rob Nelissen, MD, PhD

Rotterdam Hall 1

Poster Talk Session

Rotterdam Hall 2


P01 The influence of pore size and geometry on bone formation in a caprine iliac crest critically sized defect model

Anneli Duits


P02 Arterial stiffness after total joint arthroplasty: results from the CAMERA study

Kaspar Tootsi


P03 Virtual Reality reduces anxiety of children in the plaster room: A Randomised Controlled Trial

Maximiliaan Poppelaars


P04 Abnormal Growth Plate Development in an Ovine Model of Chorioamnionitis

Florence Vandenberghe


P05 Risk factors for falling in patients with hip hemiarthroplasty after acute femoral neck fracture

Lisa Berghorst


P06 Can spinopelvic characteristics discriminate between asymptomatic volunteers and young adults with hip pain?

Jeroen Verhaegen


P07 Beyond the Procedure of a recalled implant: Patients´experiences of ASR hip implant revision

Christian Bitar


P08 Discontinuing the recommendation of hip precautions does not increase the risk of early dislocation after total hip arthroplasty: Study from the Danish Hip Arthroplasty Register

Afrim Iljazi


P09 Prevalence and impact of kinesiophobia in adolescents and young adults one year after ACL reconstruction

Robin Voskuilen


P10 The influence of knee morphology on the risk of ACL injury in skeletally immature patients – a systematic review

Robin Voskuilen

14:45 - 15:15 Acetabular Offset in Primary THA: Importance and Clinical Implications

Geert Meermans, MD

Mees Room 1&2

Abstract session 23: Ankle/foot

Penn Room 1&2


23.1 Effectiveness of three stretching orthoses to treat fasciitis plantaris: a randomized controlled trial

Jantsje Pasma


23.2 Early progressive resistance exercises for treatment of acute Achilles tendon rupture - a randomized controlled trial with 12 months follow-up

Marianne Christensen


23.3 Talar OsteoPeriostic grafting from the Iliac Crest (TOPIC): 2-year Results of a Novel Press-fit Surgical Treatment for Large Talar Osteochondral Lesions

Jari Dahmen


23.4 10-Year Survival Rate of 82% Following 262 Cases of Arthroscopic Bone Marrow Stimulation for Osteochondral Lesions of the Talus

Quinten Rikken




Keynote: Infections following joint replacements

Anna Stefansdottir, MD, Sweden

16:15 - 16:45 DARTBAC infections materials

Prof. Harrie Weinans, PhD

Rotterdam Hall 1

16:15 - 16:45 Research consortia in NOF: CORE

Nina Mathijssen, PhD

Rotterdam Hall 2

Abstract session 24: Trauma lower extremity fractures

Mees Room 1&2


24.1 Effectiveness of fascia iliaca compartment block for preoperative pain relief in patients with intracapsular or extracapsular hip fractures

Elke Stenvers


24.2 Short and long-term complications after operatively treated ankle fractures – a 23-year registry study in Finland

Ville Happonen


24.4 Variations in postoperative weight bearing protocols after tibial plateau fractures

Andreas Saine Granlund

Abstract session 25: Hip/spine

Penn Room 1&2


25.1 Prospective Evaluation of Hip-Spine Dynamics in Patients with a Primary Total Hip Arthroplasty Dislocation: a matched case-control study

Christin Trostel


25.2 Spine Stiffness Leads to High Pelvic Mobility – Uncoupling Native Mechanics and Explaining Why Patients with Stiff Spines Have Increased Dislocation-Risk

Jeroen Verhaegen


25.3 Achieving Cup Target as per Spinopelvic Assessment is associated with improved THA outcome - A prospective, multi-center study

Jeroen Verhaegen


25.4 A finite element analysis of the mechanical effects of cup inclination and anteversion angle on the bearing surface in total hip arthroplasty

Roop Bhushan Kalia


General assembly NOV


Eat, Meet & dance

JACK Restaurant