The Journal of Arthroplasty published a study titled, "Stem migration and fretting corrosion of the anti-rotation pin in the K2/Apex hip system," on Oct. 13, 2015.
Researchers analyzed 95 patients who received Apex K2 hip stems, and followed participants for two years.
Here are three highlights:
1. The study found, "potentially concerning subsidence of both stems and is the first to describe corrosion at the neck-stem interface, and a relationship to metal-related pathology."
2. Michael Kent, MD, and fellow researchers at Perth Orthopaedic Institute in Australia conducted the study.
3. The results found 17 participants experienced complications from the K2 such as blood clots, infections and reactions to metal particles, according to drug watch.
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