AI Article Synopsis
- A case study is presented involving an 81-year-old man who experienced gross taper failure (GTF) in his hip implant 14 years after surgery, leading to acute pain and leg shortening.
- X-rays revealed that the implant's head had become detached from the stem, and the stem needed to be revised due to significant damage.
- The case highlights that GTF can occur regardless of the design or material of the implant, and a high activity level may contribute to this type of failure.
Article Abstract
Case: We report a case of gross taper failure (GTF) in a very active 81-year-old man 14 years after index operation. The patient presented with acute hip pain and shortening of the left leg. X-rays showed the dissociation of the head. The stem had to be revised because of the massive stem taper damage.
Conclusion: This case demonstrates that GTF at the head-stem taper junction following mechanically assisted crevice corrosion is not limited to a specific taper design and material. Other risk factors such as high activity level can lead to this failure pattern also in established stem and taper designs.
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| http://dx.doi.org/10.2106/JBJS.CC.19.00662 | DOI Listing |
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