Component impingement in total hip arthroplasty: Frequency and risk factors. A continuous retrieval analysis series of 416 cup

Marchetti, E.; Krantz, N.; Berton, C.; Bocquet, D.; Fouilleron, N.; Migaud, Henri; Girard, Julien

doi:10.1016/j.otsr.2010.12.004

Cited by 94 publications

(56 citation statements)

References 31 publications

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“…Likewise, revisions because of impingement were done independent of the bearing diameter, suggesting that use of 36-mm CoC bearings does not prevent impingement. This finding is different than the ones from a retrieval study that found the head-neck ratio to affect the occurrence of impingement [24]. However, we have no data on the cup position or head-neck ratio in our study; this may explain the absence of a bearing diameter effect.…”

Section: Discussioncontrasting

confidence: 99%

Do the Reasons for Ceramic-on-ceramic Revisions Differ From Other Bearings in Total Hip Arthroplasty?

Migaud

Putman

Kern

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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Section: Discussioncontrasting

confidence: 99%

Do the Reasons for Ceramic-on-ceramic Revisions Differ From Other Bearings in Total Hip Arthroplasty?

Migaud

Putman

Kern

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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“…On the other hand, Marchetti et al [97] found no correlation between impingement and cup position in a retrieval study. In conclusion, impingement seems to be a common problem with THR and should be considered during wear tests, although not at every load cycle.…”

Section: Impingement Testingmentioning

confidence: 89%

Wear testing of total hip replacements under severe conditions

Zietz

Fabry

Reinders

et al. 2015

Expert Review of Medical Devices

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Controlled wear testing of total hip replacements in hip joint simulators is a well-established and powerful method, giving an extensive prediction of the long-term clinical performance. To understand the wear behavior of a bearing and its limits under in vivo conditions, testing scenarios should be designed as physiologically as possible. Currently, the ISO standard protocol 14242 is the most common preclinical testing procedure for total hip replacements, based on a simplified gait cycle for normal walking conditions. However, in recent years, wear patterns have increasingly been observed on retrievals that cannot be replicated by the current standard. The purpose of this study is to review the severe testing conditions that enable the generation of clinically relevant wear rates and phenomena. These conditions include changes in loading and activity, third-body wear, surface topography, edge wear and the role of aging of the bearing materials.

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“…Morphologic risk factors for prosthetic dislocation are well known, including decreased femoral head-neck offset [1,10], decreased femoral antetorsion [8], and retroversion of the acetabular cup [9,16]. In contrast, there is limited information regarding the etiology of traumatic hip dislocations of the native hip.…”

Section: Introductionmentioning

confidence: 99%

Femoroacetabular Impingement Predisposes to Traumatic Posterior Hip Dislocation

Steppacher

Albers

Siebenrock

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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Background Traumatic posterior hip dislocation in adults is generally understood to be the result of a high-energy trauma. Aside from reduced femoral antetorsion, morphologic risk factors for dislocation are unknown. We previously noticed that some hips with traumatic posterior dislocations had evidence of morphologic features of femoroacetabular impingement (FAI), therefore, we sought to evaluate that possibility more formally. Questions/purposes We asked whether hips with a traumatic posterior hip dislocation present with (1) a cam-type deformity and/or (2) a retroverted acetabulum. Methods We retrospectively compared the morphologic features of 53 consecutive hips (53 patients) after traumatic posterior hip dislocation with 85 normal hips (44 patients) based on AP pelvic and crosstable axial radiographs. We measured the axial and the lateral alpha angle for detection of a cam deformity and the crossover sign, ischial spine sign, posterior wall sign, retroversion index, and ratio of anterior to posterior acetabular coverage to describe the acetabular orientation. Results Hips with traumatic posterior traumatic dislocation were more likely to have cam deformities than were normal hips, in that the hips with dislocation had increased axial and lateral alpha angles. Hips with posterior dislocation also were more likely to be retroverted; dislocated hips had a higher prevalence of a positive crossover sign, ischial spine sign, and posterior wall sign, and they had a higher retroversion index and increased ratio of anterior to posterior acetabular coverage. Conclusions Hips with posterior traumatic dislocation typically present with morphologic features of anterior FAI, including a cam-type deformity and retroverted acetabulum.

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Component impingement in total hip arthroplasty: Frequency and risk factors. A continuous retrieval analysis series of 416 cup

Cited by 94 publications

References 31 publications

Do the Reasons for Ceramic-on-ceramic Revisions Differ From Other Bearings in Total Hip Arthroplasty?

Do the Reasons for Ceramic-on-ceramic Revisions Differ From Other Bearings in Total Hip Arthroplasty?

Wear testing of total hip replacements under severe conditions

Femoroacetabular Impingement Predisposes to Traumatic Posterior Hip Dislocation

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