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Dutch ODEP Members

There are six orthopaedic surgeons from the Netherlands who are member of the ODEP team. These surgeons are representatives of NOV for ODEP hip, knee and shoulder replacements and are appointed for three years initially. They can be reappointed for another 3 years.

Geke Denissen, manager at Dutch Arthroplasty Register (LROI) and Netherlands Orthopaedic Association writes:

In the Netherlands, ODEP is adopted as the benchmark for hip, knee and shoulder implants. Originally, the Netherlands orthopaedic association (NOV) started with classifying implants in 2013. We used our own classification system and distinguished three different classes, 1A (survival of 10 years and higher, comparable with 10A (*) and 13A(*)), 1B (survival of 5 years and higher, comparable with (5A(*) and 7A(*)) and 2 (evidence did not reach 5 years, comparable with pre-entry and 3A(*)).

In 2015, we informed orthopaedic manufacturers that we planned to adopt ODEP instead of using our own classifications system and in 2016 we started using the ODEP system in the Netherlands.

The NOV advises all orthopaedic members to use implants with an ODEP rating of 5A or higher. Implants with lower ODEP ratings are allowed to be implanted but only within a research setting and with documented ethical approval.

We think that it is very important for patients, that they should know about the implants they are receiving and there should be transparency regarding the implants used in Dutch hospitals. Nowadays, ODEP ratings for hip and knee implants are published annually per hospital.

At present these comments only apply to THRs and TJRs. Although there are two representatives from the Netherlands on ODEP4Shoulders, we think that the ODEP ratings for shoulders is not sufficiently robust for the Netherlands to make use of it, for the present. When the system becomes more mature we will also advise the Netherland’s surgeons to use ODEP ratings for shoulder implants.


Reinoud Brouwer – MD, PhD

Consultant Orthopaedic Surgeon,
Martini Hospital, Groningen, Nederlands
Past President Dutch Knee Society

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Professor Ron Diercks – MD, PhD

Professor of clinical sports medicine, department of orthopaedic surgery, University Medical Center Groningen, University of Groningen
Special interest in shoulder surgery
Orthopaedic sports medicine
Arthroscopy and ligament reconstruction

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Daniel Hoornenborg

Daniel Hoornenborg – MD

Consultant Orthopaedic Surgeon,
Xpert Clinics, Nederlands
Board member of the Dutch Knee Society

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Ludo Penning – MD, PhD

Orthopaedic Surgeon
St. Maartenskliniek Nijmegen

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Matthijs Somford – MD, PhD

Consultant Orthopaedic Surgeon
Rijnstate hospital Arnhem, The Netherlands
Board member of the Dutch Hip Society

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Enrico de Visser – MD, PhD

Consultant Orthopaedic Surgeon
Canisius Wilhelmina Hospital, Nijmegen, Netherlands
Orthoparc Rozendaal
Board Member of the Dutch Hip Society

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