Prevalence of a soft-tissue lesion after small head metal-on-metal total hip replacement: 13- to 19-year follow-up study
- Title
- Prevalence of a soft-tissue lesion after small head metal-on-metal total hip replacement: 13- to 19-year follow-up study
- Author
- 류정아
- Keywords
- Soft-tissue lesion; Metal-on-metal; Small head; Total hip arthroplasty.
- Issue Date
- 2014-12
- Publisher
- British Editorial Society of Bone & Joint Surgery
- Citation
- The Bone & Joint Journal, 2014, 96(12), p.1594-1599
- Abstract
- We investigated the incidence of soft-tissue lesions after small head metal-on-metal total hip replacement (MoM THR). Between December 1993 and May 1999, 149 patients (195 hips) underwent primary cementless MoM THR. During the follow-up period, three patients (five THRs) died and eight patients (14 THRs) were lost to follow-up. We requested that all patients undergo CT evaluation. After exclusion of five patients (six THRs) who had undergone a revision procedure, and 22 (28 THRs) who were unwilling to take part in this study, 111 patients (142 THRs) were evaluated. There were 63 men (88 THRs) and 48 women (54 THRs) with a mean age of 45.7 years (37 to 56) at the time of surgery. The mean follow-up was 15.4 years (13 to 19). A soft-tissue lesion was defined as an abnormal peri-prosthetic collection of fluid, solid lesion or asymmetrical soft-tissue mass. At final follow-up, soft-tissue lesions were found in relation to 28 THRs (19.7%), including 25 solid and three cystic lesions. They were found in 20 men and eight women; 26 lesions were asymptomatic and two were symptomatic. The mean maximal diameter of the soft-tissue lesion was 42.3 mm (17 to 135). The relatively high rate of soft-tissue lesions observed with small head MoM THR remains a concern. Cite this article: Bone Joint J 2014;96-B:1594?9.
- URI
- https://online.boneandjoint.org.uk/doi/abs/10.1302/0301-620x.96b12.33705?journalCode=bjjhttp://hdl.handle.net/20.500.11754/54511
- ISSN
- 2049-4394
- DOI
- 10.1302/0301-620X.96B12.33705
- Appears in Collections:
- COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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