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The Archives of Bone and Joint Surgery، جلد ۱۰، شماره ۱۰، صفحات ۹۱۱-۹۱۵
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عنوان انگلیسی Femoral Stem Dislocation Caused by Trunnionosis Along with Adverse Local Tissue Reaction: A Case Report and a New Technique of Head to Cone Cementing
چکیده انگلیسی مقاله In total hip replacement (THR), fretting and corrosion at the modular head-neck junction (trunnionosis) may causeadverse local tissue reaction (ALTR). In this report, we presented a 34 years woman with a history of THR eight yearsago, presenting with acute pain and limping. The radiographic assessment revealed stem-head dislocation for whicha revision hip surgery was planned. Surprisingly, we observed pseudotumor and tissue necrosis resulting from thebody’s reaction to cobalt-chromium alloy. The revision surgery entailed pseudotumor debridement and replacing thefemoral head with a new metal head (size 36, long). Due to the separation of the femoral head on a stem, we fixedit on a stem using bone cement. The stem (Omnifit®, Stryker®) was well-fixed and retained to avoid fractures andinfection risk. This technique revealed an acceptable outcome without recurrence of ALTR after a one-year follow-up.Our findings suggest that stem dislocation secondary to trunnionosis might be a long-term complication after THRwith subsequent ALTR.Level of evidence: V
کلیدواژه‌های انگلیسی مقاله Arthroplasty, Hip Dislocation, Hip Prosthesis, Long Term Adverse Effects, Po stoperative complications
نویسندگان مقاله | Seyed Peyman Mirghaderi
Joint Reconstruction Research Center (JRRC), Tehran University of Medical Sciences, Tehran, Iran


| Amir Human Hoveidaei
Joint Reconstruction Research Center (JRRC), Tehran University of Medical Sciences, Tehran, Iran


| Erfan Sheikhbahaei
Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran


| Mehdi Motififard
Department of Orthopedic Surgery, Kashani University Hospital, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran


| Nader Moradi
School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran


| Mansour Moradi
Department of Orthopedic Surgery, School of Medicine, Al-Zahra Hospital, Isfahan University of Medical Sciences Isfahan, Iran
نشانی اینترنتی https://abjs.mums.ac.ir/article_20985.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده CASE REPORT
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