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Clinical Orthopaedics and Related Research®

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01-02-2011 | Symposium: Papers Presented at the Hip Society Meetings 2010

A Monoblock Porous Tantalum Acetabular Cup Has No Osteolysis on CT at 10 Years

Authors: Todd C. Moen, MD, Raju Ghate, MD, Noel Salaz, BA, Jason Ghodasra, BA, S. David Stulberg, MD

Published in: Clinical Orthopaedics and Related Research® | Issue 2/2011

Abstract

Background

Aseptic osteolysis has been the single most important factor limiting the longevity of a THA. A great deal of attention has been focused on the development of implants and materials that minimize the development of osteolysis. The monoblock porous tantalum acetabular cup was designed to minimize osteolysis, but whether it does so is unclear.

Questions/purposes

We evaluated the incidence of osteolytic lesions after THA using a monoblock porous tantalum acetabular component.

Methods

We retrospectively reviewed 51 patients who had a THA using a monoblock porous tantalum acetabular cup. At a minimum of 9.6 years postoperatively (average, 10.3 years; SD, 0.2 years; range, 9.6–10.8 years), a helical CT scan of the pelvis using a metal suppression protocol was obtained. This scan was evaluated for the presence of osteolysis.

Results

We found no evidence of osteolysis on CT scan at an average of 10.3 years.

Conclusions

Osteolysis appears not to be a major problem at 10 years with this monoblock porous tantalum acetabular component, but longer term followup will be required to determine whether these findings persist.

Level of Evidence

Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

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Title: A Monoblock Porous Tantalum Acetabular Cup Has No Osteolysis on CT at 10 Years
Authors: Todd C. Moen, MD
Raju Ghate, MD
Noel Salaz, BA
Jason Ghodasra, BA
S. David Stulberg, MD
Publication date: 01-02-2011
Publisher: Springer-Verlag
Published in: Clinical Orthopaedics and Related Research® / Issue 2/2011
Print ISSN: 0009-921X
Electronic ISSN: 1528-1132
DOI: https://doi.org/10.1007/s11999-010-1500-8

Keynote webinar | Spotlight on medication adherence

Springer Medicine

A Monoblock Porous Tantalum Acetabular Cup Has No Osteolysis on CT at 10 Years

Abstract

Background

Questions/purposes

Methods

Results

Conclusions

Level of Evidence

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Questions/purposes

Methods

Results

Conclusions

Level of Evidence

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