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Friday 14 June

Friday 14 Jun

08:30

Registration

09:00

Keynote: Distal Radius fractures in elderly: grand example of the paradigm shift in orthopedics

Prof. Aleksi Reito, MD, PhD, Finland

Main Auditorium

09:30 - 10:00 Guidelines distal radius and scaphoid fractures: what the NOF countries do

Joost Colaris, MD, PhD, and Sebastiaan Souer, MD, PhD

Rotterdam Hall 1

09:30 - 10:00 Young orthopedic session 1: Experience from the past to prepare for the future

Rotterdam Hall 2

Abstract session 26: Hip morfology 2

Mees Room 1&2

09:30

26.1 "Investigation of the association between cam morphology and hip pain in males and females over 10 years: a national prospective cohort study (check)"

Jinchi Tang

09:37

26.2 The prevalence of cam morphology in adolescents from the general population: a population-based study (Generation R)

Delong Chen

09:45

26.3 "Total hip arthroplasty versus conservative treatment in advanced hip osteoarthritis: a randomized controlled trial"

Aapo Talonpoika

09:52

26.4 Effectiveness of total hip arthroplasty for patients with osteoarthritis, a target trial emulation study

Amanda Klaassen

09:30 - 10:00 Young orthopedic session 2: resident of the future

Rotterdam Hall 2

Abstract session 28: Knee general

Penn Room 1&2

09:30

28.1 ZODIAK: A randomized controlled trial comparing the therapeutic effect of zoledronic acid vs placebo in knee osteoarthritis

Willem Paul Gielis

09:37

28.2 Generalizability of overweight patients with knee osteoarthritis awaiting arthroplasty accepting to join weight-oss randomized trial: Cross-sectional study comparing baseline characteristics of accepting vs. declining patients

Saber Saber

09:45

28.3 Minimal Joint Space Width Increase in Knee Osteoarthritis Patients: dependent of Knee Flexion in the IMI-APPROACH cohort.

Eva Bax

09:52

28.4 Prevalence of abnormalities of the adolescent knee on MRI in a population-based cohort of 3800 knees

Laura Kemmeren

Abstract session 27: Hand/wrist trauma

Rotterdam Hall 1

10:00

27.1 Biomechanical Evaluation of an Innovative Osteosynthesis Technique in Phalanx Fracture Management

Thomas Colding-Rasmussen

10:07

27.2 Primary surgical treatment versus secondary surgical treatment in reduced distal radius fractures in adults

Sanne Smidt

10:15

27.3 Is Cast Treatment Non-Inferior to Surgery for Elderly Patients with Displaced Intra-Articular Type C Distal Radius Fractures? A Randomized Controlled Non-Inferiority Trial

Dirk Ter Meulen

10:22

27.4 The Influence of Casting Type on Distal Radius Fracture Redisplacement Rates: A cluster-randomized controlled trial

Britt Barvelink

Abstract session 29: THA and TKA

Mees Room 1&2

10:00

29.1 Linking PROM scores to adverse event data to gain insight in overestimation of postoperative PROM improvement after THA and TKA due to selective non-response

Peter van Schie

10:15

29.3 Shifting arthroplasties from public- to private hospitals in the Netherlands: implications for case mix and outcome. An analysis based on 476,312 procedures from the LROI

Bart Van Dooren

10:22

29.4 Cobalt induced ototoxicity in patients with a Metal-on-Metal Hip Arthroplasty.

Lars Roosendaal

Abstract session 30: Infections

Penn Room 1&2

10:00

30.1 A Paradigm Shift in the Treatment of Bacterial Septic Arthritis - A Double-Center Prospective Cohort Study

Alex Walinga

10:07

30.2 The association of Laminar vs. Turbulent airflow on Prosthetic Joint Infections in the Hip: A prospective nationwide study using Danish registers.

Jacob Moflag Svensson

10:15

30.3 An assessment of the inter-rater and intra-rater reliability of the Modified Gordon Pin Infection Classification system

Marie Fridberg

10:22

30.4 What is the effect of reducing the air change rate on the ventilation effectiveness in ultra-clean operating rooms?

J.L.A. Lans

10:30

Break

11:00

Keynote: Future treatment of proximal humeral fractures

Prof. Stig Brorson, MD, PhD, Denmark

Main Auditorium

Abstract session 31: Elbow/Forearm

Rotterdam Hall 1

11:30

31.1 Influence of Radiological Projection on the Fat Pad Sign

Maximiliaan Poppelaars

11:37

31.2 Static-progressive bracing improves range of motion in patients with elbow stiffness: a cohort study

Mark Siemensma

11:45

31.3 Analysis of 516 cases of revision Total Elbow Arthroplasty from the Dutch Arthroplasty Registry, Centralization of care is the future

Ali Al-Hamdani

11:52

31.4 Physeal Abnormalities and Stress Fractures of the Proximal Ulna in Athletes: A Systematic Review

Huub De Klerk

Abstract session 32: Knee arthroplasty and pain/complications

Rotterdam Hall 2

11:30

32.1 Persistent pain and satisfaction after total knee arthroplasty: A nationwide cross-sectional survey study

Jens Laigaard

11:37

32.2 Total knee arthroplasty: No difference in postoperative pain with or without tourniquet.

Rikard Ola Edvin Ohlsson

11:45

32.3 Manipulation under anesthesia and risk of revision after total knee arthroplasty – Finnish register-based study of 154.883 patients

Julius Sala

11:52

32.4 Early complications in primary Total Knee Arthroplasty: A wound closure study

Sven De Bruin

Abstract session 33: Hip approach and centre of rotation

Mees Room 1&2

11:30

33.1 Does the direct anterior approach for primary total hip arthroplasty result in higher levels of physical activity in the early post-operative phase?

Coen Visser

11:37

33.2 "Transition from straight lateral to direct anterior approach in total hip arthroplasty: a retrospective single-center study. "

Coen Visser

11:45

33.3 The Influence of Reconstruction of the Center of Rotation on Total Hip Instability.

Joost Van Erp

11:52

33.4 Do the spherical femoral head and the hemispherical acetabulum origin from the same center of rotation?

Nadine Hendriks

Abstract session 34: TKA alignment

Penn Room 1&2

11:30

34.1 There is no consensus on 3D knee-related leg alignment measurement methods: we should speak the same language

Quinten Veerman

11:37

34.2 Functional alignment minimizes changes to joint line obliquity in robotic TKA. A computed tomographic analysis of functional vs kinematic alignment in 1,436 knees using CPAK

Victor van de Graaf

11:45

34.3 How often do we alter constitutional limb alignment, joint line obliquity and CPAK phenotype when performing mechanically aligned TKA? A retrospective radiologic analysis

Victor van de Graaf

11:52

34.4 "Symptoms Of Depression Are Strongly Associated With Early To Medium-Term Functional Limitations After Total Joint Replacement For Knee Osteoarthritis"

Niels Brinkman

Abstract session 35: Trauma upper extremity

Rotterdam Hall 1

12:00

35.1 Prediction of forearm rotation in symptomatic malunions using a 3D Kinematic Model

Derek Van Loon

12:07

35.2 Nonoperative treatment of unstable distal forearm fractures in children: are repeated radiographs and clinical follow-up visits needed during the splint immobilization?

Marja Perhomaa

12:15

35.3 Recovery Of Comfort And Capability After Upper Extremity Fractures Is Associated More With Mindset Than Fracture Complexity

Niels Brinkman

12:22

35.4 The Copenhagen Classification System for Distal Humeral Fractures is useful to identify patients who may require treatment with hemi- or total elbow arthroplasty

Ali Al-Hamdani

12:00 - 12:30 My surgery is a succes but I still have pain

Maaike Gademan, PhD

Rotterdam Hall 2

Abstract session 36: Miscellaneous 3

Mees Room 1&2

12:00

36.1 Foot and Ankle Biomechanics During Gait of Patients With an Osteochondral Lesion of the Talus

Kaj Emanuel

12:07

36.2 What is the Rate of Cystic Occurrence After OsteoChondral/Periosteal Autografting and Allografting for Osteochondral Lesions of the Talus? A Systematic Review and Meta-Analysis

Jari Dahmen

12:15

36.3 Mid- to long-term outcomes after treatment of Osteochondral Lesions of the Talus (OLT) in skeletally immature patients, 2 out of 3 patients converts to surgery.

Jason Steman

12:22

36.4 Mother's smoking during pregnancy independently increases the child's risk for bone fractures: a nation-wide study

Emil Kääntä

Abstract session 37: Knee RSA and loosening

Penn Room 1&2

12:00

37.1 Does RSA testing of TKA implants result in lower revision rates? An analysis from the Dutch Arthroplasty Register.

Thies van der Lelij

12:07

37.2 All-polyethylene compared with metal-backed tibial components in cemented cruciate-retaining and posterior-stabilized total knee arthroplasty: 7-year follow-up results of 2 randomized RSA studies.

Thies van der Lelij

12:15

37.3 Uncertain value af additional imaging in the pathway of diagnosing loosening of total knee arthroplasty.

George Buijs

12:22

37.4 Safety, feasibility, reliability and diagnostic accuracy of a non-invasive quantified and visualized assessment of knee arthroplasty loosening.

George Buijs

12:30

Lunch

13:30

Keynote: The shift in treatment of Weber B ankle fracture

Marius Molund, MD, PhD, Norway

Main auditorium

Abstract session 38: Trauma lower extremity

Rotterdam Hall 1

14:00

38.1 Permissive weight bearing in patients with surgically treated periprosthetic femoral fractures around total hip arthroplasty: a scoping review

Maud Vesseur

14:15

38.3 Do patient’s and surgical characteristics affect the risk of conversion of hemiarthroplasty to total hip arthroplasty after a femoral neck fracture?

Luc Heijnens

14:22

38.4 Dual Mobility Total Hip Arthroplasty is Comparable to Hemiarthroplasty in Dislocation Rates for Cognitively Impaired Patients with Femoral Neck Fractures

Christina Frølich Frandsen

Abstract session 39: Total hip arthroplasty pain/ dislocation

Rotterdam Hall 2

14:00

39.1 Weight change and the risk of chronic pain following hip and knee arthroplasty: A nationwide registry-based cohort survey study

Saber Saber

14:07

39.2 Persistent pain and satisfaction after total hip arthroplasty: A nationwide cross-sectional survey study

Jens Laigaard

14:15

39.3 Dislocation risk in Dual Mobility vs. 36mm femoral heads in total hip arthroplasty for osteoarthritis - A population-based study from the Danish Hip Arthroplasty Register

Yousef Hussein

14:22

39.4 Mid-term survival of the Optimys short stem; a prospective case-series of 500 patients

Sheryl De Waard

14:00 - 14:30 Fragility Fracture Care

Natasha Appelman, MD, PhD

Mees Room 1&2

Abstract session 40: Paediatric CP and hip

Penn Room 1&2

14:00

40.1 Timely surgical intervention leads to better outcome after reconstructive hip surgery in cerebral palsy patients.

Renée Van Stralen

14:07

40.2 Comparable amount of residual dysplasia after active surveillance versus abduction brace treatment

Wesley Theunissen

14:15

40.3 Total hip arthroplasty in children: A Dutch Arthroplasty Register study with data from 253 patients

Hilde van Kouswijk

14:22

40.4 Do adductor tenotomies prevent hip subluxation in children with cerebral palsy? – a systematic review and meta-analysis.

Renée Van Stralen

14:30

AWARD SESSION

15:00

CLOSURE