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Total Hip Arthroplasty Using Highly Cross-Linked Polyethylene in Osteonecrosis of Femoral Head Patients Younger Than 55 Years:Minmum 10-Year Follow-UP

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Affiliated Author(s)
이경재민병우
Alternative Author(s)
Lee, Kyung JaeMin, Byung Woo
Journal Title
BMC Musculoskeletal Disorders
ISSN
1471-2474
Issued Date
2018
Keyword
Core decompressionTrabecular metal implantConversion total hip arthroplastyHardware removal
Abstract
Background: Total hip arthroplasty (THA) with failure of tantalum rod implant for osteonecrosis of the femoral
head (ONFH) will be the only choice for patients. However,it remains unknown whether tantalum rod implantation
has an adverse effect on the survival time of implants following conversion to THA. The aim of this study was to
retrospectively evaluate the clinical and radiographic outcomes of conversion to THA in patients who were
previously treated with implantation of a tantalum rod.
Methods: This study included 31 patients (39 hips), who underwent conversion to THA due to failure of core
decompression with an implanted tantalum rod. Among these 31 patients, 26 patients were male and five patients
were female. The mean age of these patients was 49.3 years old (range: 36–64 years old). The control group
included 33 patients (40 hips), who underwent total hip replacement without tantalum rod implantation. The hip
Harris score, implant wear, osteolysis, radiolucencies and surgical complications were recorded during the follow-up.
The distribution of tantalum debris in the proximal, middle and distal periprosthetic femoral regions, radiolucent
lines and osteolysis were analyzed on post-operative radiographs.
Results: There were no significant differences in Harris score, liner wear and complications between the two
groups (P > 0.05). Osteolysis and radiolucent lines more likely occurred in patients with tantalum debris distributed
in three regions than in one or two regions (P < 0.05).
Conclusions: The mid-term clinical outcome of patients who underwent THA with tantalum rod implantation was
not different from those without a tantalum rod, suggesting that tantalum debris did not increase the liner wear
rate. However, the distribution of periprosthetic tantalum debris in the proximal, middle and distal femoral regions
may increase the risk of femoral osteolysis and radiolucent lines.
Department
Dept. of Orthopedic Surgery (정형외과학)
Publisher
School of Medicine (의과대학)
Citation
Qi Cheng et al. (2018). Total Hip Arthroplasty Using Highly Cross-Linked Polyethylene in Osteonecrosis of Femoral Head Patients Younger Than 55 Years:Minmum 10-Year Follow-UP. BMC Musculoskeletal Disorders, 19, 289–289. doi: 10.1186/s12891-018-2219-z
Type
Article
ISSN
1471-2474
DOI
10.1186/s12891-018-2219-z
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41555
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
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