PMU-Autor/inn/en
Hungerer SvenAbstract
End-of-stem pain after knee and hip arthroplasty with diaphyseal supportive stems is a frequently overlooked and potentially underestimated complication. A commonly recurring clinical phenome is the symptom-free interval after surgery of weeks to months, with new onset of symptoms under stress only later. The patient is often again reliant on walking sticks. End-of-stem pain is a diagnosis of exclusion. Pain is projected into the tip of the stem, and if differential diagnoses such as loosening are excluded, then the patient might be treated with a "bending-plate". Since bone cement has a similar elastic modulus to human cortical bone, a change of method to a cemented implant can also be expedient. In the primary situation, in addition to cemented stems, the use of "split-stems" could be useful. After revision surgery of any kind, a timely cessation of pain confirms the diagnosis.
Useful keywords (using NLM MeSH Indexing)
Arthroplasty, Replacement, Hip/adverse effects*
Arthroplasty, Replacement, Knee/adverse effects*
Bone Cements*
Hip Prosthesis*
Humans
Pain
Prosthesis Design
Prosthesis Failure*
Reoperation
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Knee prosthesis