This Article Full Text Full Text (PDF) Letters to the Editor: Submit a response Letters to the Editor: View responses Alert me when this article is cited Alert me when Letters to the Editor are posted Alert me if a correction is posted Services E-mail this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to My File Cabinet Download to citation manager Rights and Permissions Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Stuchin, S. A. Search for Related Content PubMed Articles by Stuchin, S. A. Related Collections Adult Hip Social Bookmarking                   What's this?

Anatomic Diameter Femoral Heads in Total Hip Arthroplasty: A Preliminary Report

¹ NYU Hospital for Joint Diseases, 301 East 17th Street, New York, NY 10003. E-mail address: Steven.Stuchin{at}nyumc.org

Disclosure: The author did not receive any outside funding or grants in support of his research for or preparation of this work. Neither he nor a member of his immediate family received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, division, center, clinical practice, or other charitable or nonprofit organization with which the author, or a member of his immediate family, is affiliated or associated.

Methods: Thirty-four patients underwent forty total hip arthroplasties with use of a modular metal-on-metal articulation with an anatomic diameter femoral head and a press-fit stem. Thirty patients were active, and four patients were profoundly disabled and had bone or soft-tissue deficiencies that would increase the risk for dislocation. Dislocation precautions were maintained for six weeks, and patients were allowed extreme ranges of motion at three months.

Results: There were no dislocations. Active patients continued in extreme range-of-motion activities. Disabled patients improved but were limited by their comorbidities.

Conclusions: Anatomic diameter femoral heads offer distinct theoretical advantages in total hip arthroplasty. These short-term results are encouraging, and further study of this new technology in a larger series with a longer follow-up period is warranted.

Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence.

CiteULike    Connotea    Del.icio.us    Facebook    Technorati    Twitter    What's this?

Letters to the Editor:

Stanford University Libraries' HighWire Press (TM) assists in the publication of JBJS Online.
Copyright © 2008 by The Journal of Bone and Joint Surgery, Inc. Online ISSN: 1535-1386.
The Journal of Bone and Joint Surgery®, JBJS®, JB&JS®, and eJBJS® are registered in the U.S. Patent and Trademark Office.