International Society of Arthroplasty Registries

Improving outcomes for individuals receiving joint replacement surgery worldwide.  

Mission Statement

“The members of the International Society of Arthroplasty Registries have a shared purpose of improving outcomes for individuals receiving joint replacement surgery worldwide. The focus of the society is to utilize the strength of cooperation and sharing of information and further enhance the capacity of individual registries to meet their own aims and objectives. The society is involved in the development of frameworks to encourage collaborative activities and provides a support network for established and developing registries.”

Old, historical document from 2005 removed from the website, some of the information will be found in the ISAR Bylaws. 

Welcome to the ISAR website  

November 24, 2024

"Publications" have now been updated with more ISAR publications.


Revised December 1, 2024

14th ISAR - Annual International Congress of Arthroplasty Registries, February 19-21, 2025, Christchurch, New Zealand

Here you will find the updated Invitation letter  with information regarding the meeting, registration, payment and hotel reservation in Christchurch. 

Here you will find the Registration form 2025 and payment through PayPal you find below. 

Do not miss that Early Bird Rate - USD 850 - now extended to December 5, 2024. 

Local committee: John McKie (chairman), Jinny Willis, Gary Hooper, Simon Young and Peter Devane.

Scientific committee: John McKie (chairman), Gary Hooper, Simon Young, Peter Devane and the ISAR Steering Committee. 

As February is high season in Christchurch make your hotel reservation soon and in the Invitation letter you find the hotels where we have blocked rooms. Note booking codes for the different hotels.

If you need further information please contact the ISAR team at info@isarhome.org

See you all in Christchurch!

May 1st, 2024     

ISAR Membership fee for 2024

It is now time for the payment of the ISAR membership fee for 2024 (decided at the Business meeting on May 14, 2023) and invoices are on the way to the member registries. Please note that the membership fee is only possible to either pay with credit card by using the PapPal below or by bank transfer with banking details in your invoice. It is not possible to anymore pay the membership fee by check. 


June 10th, 2024

13th Annual International Congress of Arthroplasty Registries, June 1-3, 2024, Hamburg, Germany

157 persons participated in the 13th Annual Congress of Arthroplasty Registries in Hamburg, Germany, 1-3, 2024 at the Radisson Blu Hotel. 

Best podium presentation:  Periprosthetic joint infection after knee arthroplasty is underreported in the Danish Knee Arthroplasty Register - Marie Anneberg, Eskild Bendix Kristiansen, Anders Troelsen, Per Gundtoft, Henrik Toft Sørensen, Alma B Pedersen

Best poster: Representativeness of The Danish national health survey for research in total hip arthroplasty patients: a population-based study - Simon Storgaard Jensen, Lei Wang, André S Klenø, Nadia R Gadgaard, Henrik T Sørensen, Alma B Pedersen

On Sunday June 2 the annual business meeting took place.
Anne Lübbeke was confirmed as president and Brian Hallstrom elected as president elect for two years.
Maziar Mohaddes was re-elected as treasurer/secretary for two years.
Tim Wilton, Marina Torre and James Huddleston were re-elected as member-at-large for two years and Jürg Lützner was elected as member-at-large for two years.
Richard de Steiger and Liz Paxton were re-elected as Nominating committee for two years and Ola Rolfson was elected as Norminating committee for two years.
It was also decided that the annual membership fee for 2025 will be USD 1,200 per year.
It was also announced that the meeting in 2026 will be in Lund, Sweden, organized by the Swedish Arthroplasty Register, probably in the end of May 2026.
There was also an update of the 14th Annual ISAR congress to be held in Christchurch, New Zealand, February 19-21, 2025. 


Local Organizing Committee has been:

Grimberg, Alexander; Günther, Klaus-Peter; Kladny, Bernd; Lützner, Jörg (chairman); Morlock, Michael; Perka, Carsten; Steinbrück, Arnd (chairman)


The Local Organizing Committee and the Scientific Committee thank everybody that participated at the congress and hope to see everybody next year in Christchurch.

February 4, 2020

ISAR Lifetime Achievement Award 

The ISAR Lifetime Achievement Award honors individuals who have made a significant contribution to international registry science and worldwide patient outcomes through their leadership, service, innovation, scholarship and mentorship over a minimum of 25 years.  We have formalized the process for the selection of ISAR Lifetime Achievement Award which is in the document.  

Read more in   ISAR Lifetime Achievement Award

December 5, 2019

New section with publications

We have added a new section in the navigation that contains articles and reports from Working Groups. 

June 28, 2019

New web site launched

Today we have launched the new web site. The web site will continuously be updated with more and new information. Please forward any information to info@isarhome.org which is the official e-mail address for ISAR.