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Acetabular Fracture - Europe PMC

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Last Updated: 10 January 2023

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Risk of simultaneous and delayed breakage of total hip replacement ceramic implants in patients with trauma induced periprosthetic fracture and acetabular shell loosening.

Background: A rare occurrence in total hip replacement is a ceramic implant failure. Trauma has been traced to author's breakage by several writers, and it is debatable whether the burst force can be achieved in a single trauma in-vivo. Hypothesis The impact factors behind PPFF and TLAS, which are arguably the most significant impact factors faced by patients, are not sufficient to cause immediate or delayed CIB. TLAS' internal fixation involved the preservation of both ceramic and C fractures for 20 patients, B1 and C fractures, eight stem revisions with preservation of acetabular liner for Vancouver B2 and B3 fractures, along with three acetabular shell revisions to dual mobility and ceramic head change for TLAS, comprising internal fixation for 20 patients with preservation of both ceramic and B1 fractures, etching of both ceramic and B1 fractures, 8 stem reconstructions, Discussion Major trauma leading to a PPFF or TLAS in patients with a CoC THR did not result in simultaneous CIB. Since CIB is a rare occurrence, a longer-running study and larger cohort study is required to determine if a single high impact trauma can cause and promote the spread of a crack in the ceramic material that leads to a breakage. Patients with CoC bearings should not be restricted in their daily activities to avoid CIB due to the high mechanical tenacity of the ceramic implants and the absence of CIB during or after a significant injury in our study.

Source link: https://europepmc.org/article/MED/36572381


Tönnis angle and acetabular depth ratio: predictors of dislocation following hemiarthroplasty for hip fracture.

Methods This is a multicentre nested case-control study of patients treated at two separate hospitals over a 10-year period from January 2011 to December 2020. All cases of hemiarthroplasty dislocation following hip fracture were found from local databases, and 4 random controls were chosen for each case. Patients with a TA > 10 u00b0 and/or ADR 250 were found to have abnormal acetabular morphology. Dislocation cases had a higher mean TA and lower mean ADR than controls. In patients with abnormal TA and/or ADR, the chances of dislocation are 8. 5 times greater. Conclusions This report shows that TA > 100 billion and ADR 250 are useful tools to identify patients at a higher risk of hip hemiarthroplasty dislocation due to acetabular dysplasia. Future studies should concentrate on how to minimize risk in this subset of patients, including determining total hip arthroplasty with a dual mobility component versuss hemiarthroplasty.

Source link: https://europepmc.org/article/MED/36536490

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions