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Entry

Dual-Modular Stems for Primary Total Hip Arthroplasty

by 1,2,* and 1,2
1
Department of Orthopaedic Surgery, University Medical Centre Maribor, 5 Ljubljanska Street, 2000 Maribor, Slovenia
2
Faculty of Medicine, University of Maribor, Taborska Street 8, 2000 Maribor, Slovenia
*
Author to whom correspondence should be addressed.
Academic Editors: Pedro Berjano and Raffaele Barretta
Encyclopedia 2022, 2(2), 893-911; https://doi.org/10.3390/encyclopedia2020059
Received: 15 March 2022 / Revised: 16 April 2022 / Accepted: 25 April 2022 / Published: 27 April 2022
(This article belongs to the Section Medicine & Pharmacology)
In primary total hip arthroplasty (THA), dual-modular stems were introduced to better restore hip stability, femoral offset, and leg length. This entry highlights the gathered knowledge about dual-modular stems and related complications in combinations with titanium (Ti) and cobalt-chrome (CoCr) exchangeable necks. The reasons for a modular neck failure are multifactorial. Some of the dual-modular stems are still on the market despite the fact th these designs have neither been proven for durability nor have shown any clinical benefits for the patients as compared to monolithic stems. Apart from very limited indications, orthopaedic surgeons should not use dual-modular stem designs for primary THA. View Full-Text
Keywords: total hip arthroplasty; hip reconstruction; titanium; cobalt-chrome; prosthesis failure; dual modularity; corrosion total hip arthroplasty; hip reconstruction; titanium; cobalt-chrome; prosthesis failure; dual modularity; corrosion
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MDPI and ACS Style

Zajc, J.; Fokter, S.K. Dual-Modular Stems for Primary Total Hip Arthroplasty. Encyclopedia 2022, 2, 893-911. https://doi.org/10.3390/encyclopedia2020059

AMA Style

Zajc J, Fokter SK. Dual-Modular Stems for Primary Total Hip Arthroplasty. Encyclopedia. 2022; 2(2):893-911. https://doi.org/10.3390/encyclopedia2020059

Chicago/Turabian Style

Zajc, Jan, and Samo Karel Fokter. 2022. "Dual-Modular Stems for Primary Total Hip Arthroplasty" Encyclopedia 2, no. 2: 893-911. https://doi.org/10.3390/encyclopedia2020059

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