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Techniques for Optimizing Acetabular Component Positioning in Total Hip Arthroplasty

Defining a Patient-Specific Functional Safe Zone

Feng, James E., MD1; Anoushiravani, Afshin A., MD1,2; Eftekhary, Nima, MD1; Wiznia, Daniel, MD1,3; Schwarzkopf, Ran, MD, MSc1; Vigdorchik, Jonathan M., MD1

doi: 10.2106/JBJS.RVW.18.00049
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Disclosures

  • * Proper acetabular component positioning is dependent on multiple factors.
  • * Proper preoperative templating is of utmost importance, and the surgeon must take care to determine acetabular position and location, orientation (anteversion and inclination), and size, while also focusing on limb length and offset.
  • * Patient positioning on the operative table, whether in the supine or lateral position, can affect final acetabular component position.
  • * Intraoperative execution with use of appropriate tools and techniques (e.g., anatomical landmarks, mechanical alignment guides, and computer-assisted or robotic navigation) allows for component positioning consistent with the preoperative plan.
  • * It is important to understand the benefits and limitations of each tool, recognizing how to identify and remove the possibility of error.

1Department of Orthopaedic Surgery, NYU Langone Orthopaedic Hospital, NYU Langone Health, New York, NY

2Department of Orthopaedics, Albany Medical Center, Albany, New York

3Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut

E-mail address for J. Vigdorchik: Jvigdorchik@gmail.com

Investigation performed at the Department of Orthopaedic Surgery, NYU Langone Health, New York, NY

Disclosure: No external funding was received for any aspect of this work. On the Disclosure of Potential Conflicts of Interest forms, which are provided with the online version of the article, one or more of the authors checked “yes” to indicate that the author had a relevant financial relationship in the biomedical arena outside the submitted work (http://links.lww.com/JBJSREV/A419).

Copyright © 2019 by The Journal of Bone and Joint Surgery, Incorporated
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