Brian C. Chung MD, Pranit Kumaran BS, Nathanael D. Heckmann MD, Daniel A. Oakes MD
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Fracture of the Proximal Body of a Modern Cementless Modular Fluted Tapered Stem
Previous reports have described failures of modular fluted tapered femoral stems secondary to fatigue failure at the modular junction. However, the present study is the first reported case of modular fluted tapered femoral component failure involving atraumatic fracture of the proximal body following revision total hip arthroplasty. The failure occurred in a 52-year-old female with a history of postmenopausal osteoporosis on bisphosphonates who sustained an atraumatic fracture of the proximal body of a modular revision femoral stem. In the present case, revision THA utilizing a wider proximal body segment with proximal augmentation using strut allografts for biological and mechanical support provided the patient with a stable construct at 30-month follow-up.
期刊介绍：
Arthroplasty Today is a companion journal to the Journal of Arthroplasty. The journal Arthroplasty Today brings together the clinical and scientific foundations for joint replacement of the hip and knee in an open-access, online format. Arthroplasty Today solicits manuscripts of the highest quality from all areas of scientific endeavor that relate to joint replacement or the treatment of its complications, including those dealing with patient outcomes, economic and policy issues, prosthetic design, biomechanics, biomaterials, and biologic response to arthroplasty. The journal focuses on case reports. It is the purpose of Arthroplasty Today to present material to practicing orthopaedic surgeons that will keep them abreast of developments in the field, prove useful in the care of patients, and aid in understanding the scientific foundation of this subspecialty area of joint replacement. The international members of the Editorial Board provide a worldwide perspective for the journal''s area of interest. Their participation ensures that each issue of Arthroplasty Today provides the reader with timely, peer-reviewed articles of the highest quality.
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