Use of porous trabecular metal augments with impaction bone grafting in management of acetabular bone loss.
Acta Orthop
; 83(4): 347-52, 2012 Aug.
Article
em En
| MEDLINE
| ID: mdl-22900910
BACKGROUND: The use of impaction grafting in revisions with larger acetabular bone defects has mixed outcomes and sometimes high failures rates. PATIENTS AND METHODS: This prospective, single-center study involved a consecutive series of 24 patients who underwent complex reconstruction of the acetabulum using a trabecular metal augment, impaction bone grafting, and a cemented high-density polyethylene cup. Patients were followed for median 5 (3-7) years. RESULTS: The 2-year WOMAC pain, function, and stiffness scores improved, as did certain components (bodily pain, physical function, role physical, role emotional, physical component score, and social function) of the SF-36 (p < 0.05). 23 of the patients were very satisfied with the overall outcome of the surgery and would have undergone the surgery again for a similar problem, and 19 reported great improvement in their quality of life after surgery. Radiographs at the latest follow-up revealed incorporation of the augment with mean change in acetabular component inclination of less than 1 degree (p > 0.05) and cup migration of less than 5 mm in both horizontal and vertical axes (p > 0.05). 1 patient required further revision at 13 months and was found to have a fractured augment at re-revision. INTERPRETATION: This study shows that trabecular metal augments are effective in filling the bone defect and provide a stable foundation for impaction bone grafting. We found satisfactory clinical and radiographic results using this technique, with low failure rate at a median follow-up time of 5 years.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Desenho de Prótese
/
Qualidade de Vida
/
Cimentação
/
Transplante Ósseo
/
Acetábulo
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Aged80
País/Região como assunto:
Europa
Idioma:
En
Revista:
Acta Orthop
Assunto da revista:
ORTOPEDIA
Ano de publicação:
2012
Tipo de documento:
Article