Volume 9, Issue 1 (2-2022)                   J. Res. Orthop. Sci. 2022, 9(1): 57-64 | Back to browse issues page


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Taheriazam A, Khanmohammadi B, Asadollah A, Dindar M. Zimmer Modular Revision Stem Failure on Total Hip Arthroplasty Due to Stem Fracture From Cone Taper Stem Junction. J. Res. Orthop. Sci. 2022; 9 (1) :57-64
URL: http://jros.iums.ac.ir/article-1-2194-en.html
1- Department of Orthopedics, School of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
Abstract:   (668 Views)
The incidence of Zimmer modular revision (ZMR) hip system fractures is rare. The material of the component decreases the risk of corrosion which titanium-based modular would lower the degree of degradation despite cold welding of the component. In this case presentation, we will discuss 2 cases of implant failure from the cone taper junction of the stem and discuss the susceptible causes of the failure. The new generation of surgery products has numerous successful outcomes and has facilitated the way for modern orthopedic surgeons. Despite the high rate of satisfying results, reports of implant failure are rare.  We present 2 patients in similar situations referring to the same model implant failure. It can be noticed that the force tolerance because of their weight might be a risk factor and some other factors may be missed, including providing sufficient distal bone support for the implant.
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Type of Study: Case Report | Subject: Trauma
Received: 2022/03/2 | Accepted: 2022/03/16 | Published: 2022/02/1

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