Surgical Treatment in Patients with Metal Allergy

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  • 金属アレルギー症例に対する整形外科手術治療の検討

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Serious complications due to metal allergies in orthopedic surgery are rarely seen. We experienced 26 cases in 19 patients diagnosed with metal allergies in the process of receiving knee surgery. Twenty-two cases had osteoarthritis, three had anterior cruciate ligament (ACL) injury, and one had tibial fracture. Cases diagnosed with metal allergies before surgery consisted of 12 total knee arthroplasty (TKA) cases (19 knees), three cases of ACL reconstruction, and one case of tibial osteosynthesis. Cases who developed metal allergies after surgery were two cases of TKAs and one case of hemicallotasis. For cases who tested positive for metal allergies before surgery in skin patch tests, JMM bi-surface KU4+s (non metal) was used for TKA, ceramic buttons for ACL reconstruction, and titanium pin for tibial osteosynthesis. In those who developed metal allergies after surgery, fheir conditions were alleviated by conservative treatment. When using metal fixtures in orthopedics, there is a need to ask patients if they have metal allergies, and test those who do in more detail through skin patch tests, etc.

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