Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant
Dual-mobility total hip arthroplasties were developed to decrease the risk of dislocation and instability seen with traditional fixed-bearing total hip arthroplasties. However, dual-mobility constructs, notably the first-generation design, come with a risk of intraprosthetic dislocation (IPD). These...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-11-01
|
| Series: | Radiology Case Reports |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1930043323005897 |
| _version_ | 1797672062002659328 |
|---|---|
| author | Perry Veras, BS Patrick Gidley, MD Nisha R. Patel, MD Caleb Bhatnagar, BS Rami El-Baba, DO Emad Allam, MD |
| author_facet | Perry Veras, BS Patrick Gidley, MD Nisha R. Patel, MD Caleb Bhatnagar, BS Rami El-Baba, DO Emad Allam, MD |
| author_sort | Perry Veras, BS |
| collection | DOAJ |
| description | Dual-mobility total hip arthroplasties were developed to decrease the risk of dislocation and instability seen with traditional fixed-bearing total hip arthroplasties. However, dual-mobility constructs, notably the first-generation design, come with a risk of intraprosthetic dislocation (IPD). These dislocations occur when the polyethylene femoral head component is dislodged, causing direct articulation between the inner ceramic femoral head and the metal acetabular shell. This is different than a polyethylene liner dislocation in a standard total hip arthroplasty. Causes of IPD include polyethylene wear and iatrogenic dislocation from closed reduction attempts. Timely identification is essential to reduce the risk of soft tissue metallosis, raised cobalt and chromium levels, and the need for major revisions. This complication can be seen on imaging, but radiologists must be aware of the various components and mechanisms of failure to recognize this unique complication. We present a case of a dual-mobility construct with IPD between the femoral head components, illustrated on radiographs and CT and subsequently confirmed at the time of surgery. |
| first_indexed | 2024-03-11T21:24:37Z |
| format | Article |
| id | doaj.art-29889b125d76474195bd335e65fc3f1d |
| institution | Directory Open Access Journal |
| issn | 1930-0433 |
| language | English |
| last_indexed | 2024-03-11T21:24:37Z |
| publishDate | 2023-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Radiology Case Reports |
| spelling | doaj.art-29889b125d76474195bd335e65fc3f1d2023-09-28T05:25:28ZengElsevierRadiology Case Reports1930-04332023-11-01181139643967Intraprosthetic dislocation of dual-mobility total hip arthroplasty implantPerry Veras, BS0Patrick Gidley, MD1Nisha R. Patel, MD2Caleb Bhatnagar, BS3Rami El-Baba, DO4Emad Allam, MD5Loyola University Medical Center and Loyola University Chicago, 2160 S First Ave, Maywood, IL, 60153, USALoyola University Medical Center and Loyola University Chicago, 2160 S First Ave, Maywood, IL, 60153, USALoyola University Medical Center and Loyola University Chicago, 2160 S First Ave, Maywood, IL, 60153, USALoyola University Medical Center and Loyola University Chicago, 2160 S First Ave, Maywood, IL, 60153, USALoyola University Medical Center and Loyola University Chicago, 2160 S First Ave, Maywood, IL, 60153, USACorresponding author.; Loyola University Medical Center and Loyola University Chicago, 2160 S First Ave, Maywood, IL, 60153, USADual-mobility total hip arthroplasties were developed to decrease the risk of dislocation and instability seen with traditional fixed-bearing total hip arthroplasties. However, dual-mobility constructs, notably the first-generation design, come with a risk of intraprosthetic dislocation (IPD). These dislocations occur when the polyethylene femoral head component is dislodged, causing direct articulation between the inner ceramic femoral head and the metal acetabular shell. This is different than a polyethylene liner dislocation in a standard total hip arthroplasty. Causes of IPD include polyethylene wear and iatrogenic dislocation from closed reduction attempts. Timely identification is essential to reduce the risk of soft tissue metallosis, raised cobalt and chromium levels, and the need for major revisions. This complication can be seen on imaging, but radiologists must be aware of the various components and mechanisms of failure to recognize this unique complication. We present a case of a dual-mobility construct with IPD between the femoral head components, illustrated on radiographs and CT and subsequently confirmed at the time of surgery.http://www.sciencedirect.com/science/article/pii/S1930043323005897Total hip arthroplastyDual mobilityHardware complicationsIntraprosthetic dislocationPolyethylene |
| spellingShingle | Perry Veras, BS Patrick Gidley, MD Nisha R. Patel, MD Caleb Bhatnagar, BS Rami El-Baba, DO Emad Allam, MD Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant Radiology Case Reports Total hip arthroplasty Dual mobility Hardware complications Intraprosthetic dislocation Polyethylene |
| title | Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant |
| title_full | Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant |
| title_fullStr | Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant |
| title_full_unstemmed | Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant |
| title_short | Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant |
| title_sort | intraprosthetic dislocation of dual mobility total hip arthroplasty implant |
| topic | Total hip arthroplasty Dual mobility Hardware complications Intraprosthetic dislocation Polyethylene |
| url | http://www.sciencedirect.com/science/article/pii/S1930043323005897 |
| work_keys_str_mv | AT perryverasbs intraprostheticdislocationofdualmobilitytotalhiparthroplastyimplant AT patrickgidleymd intraprostheticdislocationofdualmobilitytotalhiparthroplastyimplant AT nisharpatelmd intraprostheticdislocationofdualmobilitytotalhiparthroplastyimplant AT calebbhatnagarbs intraprostheticdislocationofdualmobilitytotalhiparthroplastyimplant AT ramielbabado intraprostheticdislocationofdualmobilitytotalhiparthroplastyimplant AT emadallammd intraprostheticdislocationofdualmobilitytotalhiparthroplastyimplant |