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Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases

INTRODUCTION: Among hip arthroplasty, dual mobility aims to improve ROM and reduce dislocation rates, however this particular implant can fail in specific ways. Iatrogenic intraprosthetic dislocation (IPD) is a rare occurrence that can happen during closed reduction of a dislocated dual mobility tot...

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Autores principales: Rotini, Marco, Cianforlini, Marco, Aucone, Daniele, Pacetti, Emanuele, Politano, Rocco
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7262377/
https://www.ncbi.nlm.nih.gov/pubmed/32480330
http://dx.doi.org/10.1016/j.ijscr.2020.04.085
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author Rotini, Marco
Cianforlini, Marco
Aucone, Daniele
Pacetti, Emanuele
Politano, Rocco
author_facet Rotini, Marco
Cianforlini, Marco
Aucone, Daniele
Pacetti, Emanuele
Politano, Rocco
author_sort Rotini, Marco
collection PubMed
description INTRODUCTION: Among hip arthroplasty, dual mobility aims to improve ROM and reduce dislocation rates, however this particular implant can fail in specific ways. Iatrogenic intraprosthetic dislocation (IPD) is a rare occurrence that can happen during closed reduction of a dislocated dual mobility total hip arthroplasty. PRESENTATION OF CASE: #1 – A 34-year-old male who came to our attention with an undiagnosed IPD. He had experienced a classic dislocation 6 days earlier, which was treated with closed reduction. CT-scan confirmed decoupling of the metal head and PE liner. #2 – An 89-year-old male came to our attention for THA dislocation. During closed reduction manouvers he suffered IPD of the implant. Both patients were treated with revision surgery. DISCUSSION: Despite being already reported in literature, IPD are still not well known to practitioners and sometimes overlooked even by orthopaedic specialists. Given the good results and diffusion of this kind of implant, iatrogenic IPD in the contest of a classic dislocation might become more frequent in the clinical practice. CONCLUSION: When performing reduction maneuvers for a dislocated dual mobility total hip arthroplasty, X-rays must be carefully inspected for signs of IPD which, if undiagnosed, can lead to major implant damage and the need for extensive revision surgery.
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spelling pubmed-72623772020-06-01 Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases Rotini, Marco Cianforlini, Marco Aucone, Daniele Pacetti, Emanuele Politano, Rocco Int J Surg Case Rep Article INTRODUCTION: Among hip arthroplasty, dual mobility aims to improve ROM and reduce dislocation rates, however this particular implant can fail in specific ways. Iatrogenic intraprosthetic dislocation (IPD) is a rare occurrence that can happen during closed reduction of a dislocated dual mobility total hip arthroplasty. PRESENTATION OF CASE: #1 – A 34-year-old male who came to our attention with an undiagnosed IPD. He had experienced a classic dislocation 6 days earlier, which was treated with closed reduction. CT-scan confirmed decoupling of the metal head and PE liner. #2 – An 89-year-old male came to our attention for THA dislocation. During closed reduction manouvers he suffered IPD of the implant. Both patients were treated with revision surgery. DISCUSSION: Despite being already reported in literature, IPD are still not well known to practitioners and sometimes overlooked even by orthopaedic specialists. Given the good results and diffusion of this kind of implant, iatrogenic IPD in the contest of a classic dislocation might become more frequent in the clinical practice. CONCLUSION: When performing reduction maneuvers for a dislocated dual mobility total hip arthroplasty, X-rays must be carefully inspected for signs of IPD which, if undiagnosed, can lead to major implant damage and the need for extensive revision surgery. Elsevier 2020-05-14 /pmc/articles/PMC7262377/ /pubmed/32480330 http://dx.doi.org/10.1016/j.ijscr.2020.04.085 Text en © 2020 The Authors http://creativecommons.org/licenses/by/4.0/ This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Rotini, Marco
Cianforlini, Marco
Aucone, Daniele
Pacetti, Emanuele
Politano, Rocco
Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases
title Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases
title_full Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases
title_fullStr Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases
title_full_unstemmed Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases
title_short Iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: Report of two cases
title_sort iatrogenic intraprosthetic dislocation after closed reduction of dual mobility total hip arthroplasty: report of two cases
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7262377/
https://www.ncbi.nlm.nih.gov/pubmed/32480330
http://dx.doi.org/10.1016/j.ijscr.2020.04.085
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