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JBJS Case Connector, an online case journal published by The Journal of Bone and Joint Surgery, has issued a "Watch" regarding early intraprosthetic dislocation with dual-mobility hip implants. The "Watch" is based on two case reports published this month, in addition to recent cases in the orthopaedic literature pointing to similar problems.
In both cases of early intraprosthetic dislocation described in this issue of JBJS Case Connector, surgeons chose a mix-and-match strategy to minimize surgical complexity and bone loss and to maximize hip stability. Despite these sound clinical objectives, both cases suggest that combining dual-mobility components with components from manufacturers of non-dual-mobility systems may increase the risk of adverse events.
To enhance clinical outcomes and improve patient safety, JBJS Case Connector is committed to alerting the orthopaedic community about potentially problematic devices or therapeutic approaches. When two or more such cases with similar mechanisms appear, our editors will identify the procedure or implant as a "watchable" intervention to sharpen the focus of clinicians on the potential for similar problems and enhance clinical outcomes and patient safety.
"The publication of 'Watches' helps fulfill our mission to serve the orthopaedic community," commented Marc Swiontkowski, MD, editor of JBJS Case Connector. "The 'Watch' designation may encourage the orthopaedic community to either demonstrate that these are isolated, unrelated cases or sharpen the focus further by rigorously evaluating the intervention and/or reporting related cases."
JBJS Case Connector, 2013 Sep 25;3(3):e91 1-7. doi: 10.2106/JBJS.CC.M.00212
Article adapted by Medical News Today from original press release. Click 'references' tab above for source.
Visit our Bones / Orthopedics category page for the latest news on this subject.
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Journal of Bone and Joint Surgery. "Intraprosthetic dislocation of dual-mobility hip implants: 'Watch' cites concerns." Medical News Today. MediLexicon, Intl., 30 Sep. 2013. Web.
10 Dec. 2013. <http://www.medicalnewstoday.com/releases/266710>
Journal of Bone and Joint Surgery. (2013, September 30). "Intraprosthetic dislocation of dual-mobility hip implants: 'Watch' cites concerns." Medical News Today. Retrieved from
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