Dislocation of a McMinn-Like Prosthesis with Distinctive Metallosis and Fracture of the Os Ilium.
Journal
Case reports in orthopedics
ISSN: 2090-6749
Titre abrégé: Case Rep Orthop
Pays: United States
ID NLM: 101591806
Informations de publication
Date de publication:
2021
2021
Historique:
received:
05
10
2021
accepted:
02
11
2021
entrez:
22
11
2021
pubmed:
23
11
2021
medline:
23
11
2021
Statut:
epublish
Résumé
Osteoarthritis of the hip joint (coxarthrosis) is the most common hip disease in adults. Since the 1960s, total hip arthroplasty (THA) has made great progress and is nowadays one of the most frequently used procedures in orthopedic surgery. Different bearing concepts exist in various implant designs. A metal-on-metal bearing can create metal debris and lead to metallosis. We present a unique case of a 78-year old woman, who received hip resurfacing with a McMinn-like prosthesis 15 years ago. Over the cause of time, metallosis developed and created a bone cyst in the Os ilium, and osteolysis led to a dislocation of the femoral implant. A minor stumble fall led to a fracture of the Os ilium. We present our treatment method with implantation of a cemented THA and refill of the bone cyst with bone from allogene femoral heads. The surgery led to a reconstruction of the physiological center of rotation in the hip. Consequently, to the inpatient stay, the patient took part in a follow-up treatment with intensive physiotherapy. Taken together, the results after total hip arthroplasty are more superior to other hip surface replacements in terms of longevity and patient satisfaction. Especially, metal-on-metal bearing couples carry a great risk of metallosis, which goes a long with pseudotumors, osteolysis, and the elevated metal ions in the blood. Since this case is unique in the literature, no guidelines are noted for surgical treatment. In our opinion, a periprosthetic fracture of this type should be performed in a hospital using extensive endoprosthetic expertise.
Identifiants
pubmed: 34804622
doi: 10.1155/2021/6151679
pmc: PMC8598352
doi:
Types de publication
Case Reports
Langues
eng
Pagination
6151679Informations de copyright
Copyright © 2021 Peter Caspar Bünemann et al.
Déclaration de conflit d'intérêts
None of the authors have any conflicts of interest.
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