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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_9 | Pages 69 - 69
1 May 2017
Petra S Michal V Pavel D Regina F Eva K Jiri G
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Background

Inflammation and chemokines play a pivotal role in aseptic loosening (AL) and prosthetic joint infection (PJI) of total joint arthroplasty (TJA). Recently, the Duffy antigen receptor for chemokines (DARC) on erythrocytes was identified as a potent chemokine receptor able to bind and carry without deactivating a wide range of CXC and CC chemokines from circulation to tissues. The role of DARC and its functional polymorphism (SNP) influencing the number of the DARC molecules on the erythrocytes in AL/PJI has not been studied yet.

Methods

We genotyped functional polymorphism in the DARC gene (rs12075) using MassArray technology (Agena Bioscience) in 354 patients with TJA (hip and knee arthroplasties). Patients were further subdivided into those with a complication (AL, n = 110; PJI, n = 126) and a control group without complications for at least 10 years (n = 118). Statistics was performed by Plink 1.07 and relative entropy.