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Volume 12
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10.3390/jcm12134200
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Article

Is Modular Dual Mobility Superior to Standard Bearings for Reducing Dislocation Risk after Primary Total Hip Arthroplasty? A Retrospective Comparative Multicenter Study

by
Vincenzo Ciriello
1,
Roberta La China
2,*,
Danilo Francesco Chirillo
2,
Giuseppe Bianco
3,
Federico Fusini
3,
Ugo Scarlato
4,
Carlo Albanese
4,
Giancarlo Bonzanini
5,
Lorenzo Banci
6 and
Lucio Piovani
1
1
Ortopedia e Traumatologia, Ospedale Santa Croce e Carle, 12100 Cuneo, Italy
2
Ortopedia e Traumatologia, Ospedale Santo Spirito, 15033 Casale Monferrato, Italy
3
Ortopedia e Traumatologia, Ospedale Regina Montis Regalis, 12084 Mondovì, Italy
4
Ortopedia e Traumatologia, Ospedale Civile, 10015 Ivrea, Italy
5
Ortopedia e Traumatologia, Ospedale Sant’Antonio e Margherita, 15057 Tortona, Italy
6
Clinical Research Department, Permedica Orthopaedics, 23807 Merate, Italy
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2023, 12(13), 4200; https://doi.org/10.3390/jcm12134200
Submission received: 9 May 2023 / Revised: 1 June 2023 / Accepted: 19 June 2023 / Published: 21 June 2023
(This article belongs to the Special Issue Joint Arthroplasty: Current Status, Challenges, and Future Directions)
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Abstract

Background: Dual mobility (DM) has been proven to reduce dislocation risk after total hip arthroplasty (THA). In the last decade modular DM (modDM) constructs have been introduced to allow the use of DM articulation with standard cementless acetabular shells. However, clinical evidence of modDM effectiveness is still low in primary THA and concerns about implant-related complications are increasing. This retrospective comparative multicenter study is aimed to investigate if the dislocation rate after primary THA could be reduced with modDM in comparison to standard bearing (SB). Methods: 262 THAs were performed between 2017 and 2019, using SB (129 hips) or modDM (133) with the same cementless highly porous modular acetabular cup. Dislocations, complications and revisions were recorded and implant survival was analyzed. Results: At 2.5-year mean follow-up, dislocation occurred in 4 hips (3.1%) within the SB group while intraprosthetic dislocation in 2 hips (1.5%) within the modDM group (p = 0.44). Implant survivals with revision due to dislocation were 95.2% and 95.9% at 4-year follow-up for SB and modDM, respectively (p = 0.50). Conclusions: modDM used in primary THA might reduce dislocation rate in comparison to SB, even in high-risk patients, however, caution is advocated due to specific intraprosthetic dislocation.
Keywords: dislocation; intraprosthetic dislocation; modular dual mobility; standard bearing; total hip arthroplasty dislocation; intraprosthetic dislocation; modular dual mobility; standard bearing; total hip arthroplasty
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MDPI and ACS Style

Ciriello, V.; La China, R.; Chirillo, D.F.; Bianco, G.; Fusini, F.; Scarlato, U.; Albanese, C.; Bonzanini, G.; Banci, L.; Piovani, L. Is Modular Dual Mobility Superior to Standard Bearings for Reducing Dislocation Risk after Primary Total Hip Arthroplasty? A Retrospective Comparative Multicenter Study. J. Clin. Med. 2023, 12, 4200. https://doi.org/10.3390/jcm12134200

AMA Style

Ciriello V, La China R, Chirillo DF, Bianco G, Fusini F, Scarlato U, Albanese C, Bonzanini G, Banci L, Piovani L. Is Modular Dual Mobility Superior to Standard Bearings for Reducing Dislocation Risk after Primary Total Hip Arthroplasty? A Retrospective Comparative Multicenter Study. Journal of Clinical Medicine. 2023; 12(13):4200. https://doi.org/10.3390/jcm12134200

Chicago/Turabian Style

Ciriello, Vincenzo, Roberta La China, Danilo Francesco Chirillo, Giuseppe Bianco, Federico Fusini, Ugo Scarlato, Carlo Albanese, Giancarlo Bonzanini, Lorenzo Banci, and Lucio Piovani. 2023. "Is Modular Dual Mobility Superior to Standard Bearings for Reducing Dislocation Risk after Primary Total Hip Arthroplasty? A Retrospective Comparative Multicenter Study" Journal of Clinical Medicine 12, no. 13: 4200. https://doi.org/10.3390/jcm12134200

APA Style

Ciriello, V., La China, R., Chirillo, D. F., Bianco, G., Fusini, F., Scarlato, U., Albanese, C., Bonzanini, G., Banci, L., & Piovani, L. (2023). Is Modular Dual Mobility Superior to Standard Bearings for Reducing Dislocation Risk after Primary Total Hip Arthroplasty? A Retrospective Comparative Multicenter Study. Journal of Clinical Medicine, 12(13), 4200. https://doi.org/10.3390/jcm12134200

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