The Journal of Bone and Joint Surgery (American). 2007;89:1194-1204.
doi:10.2106/JBJS.F.00302
© 2007 The Journal of Bone and Joint Surgery, Inc.
Current Practices of AAHKS Members in the Treatment of Adult Osteonecrosis of the Femoral Head
Brian J. McGrory, MD1,
Sally C. York, MN, RNC2,
Richard Iorio, MD3,
William Macaulay, MD4,
Richard R. Pelker, MD, PhD5,
Brian S. Parsley, MD6 and
Steven M. Teeny, MD7
1 Orthopaedic Associates of Portland, 33 Sewall Street, Portland, ME 04104.
E-mail address:
mjri{at}yahoo.com
2 NorthWest Orthopaedic Institute, P.O. Box 1878, Tacoma, WA 98401
3 Lahey Clinic, 41 Mall Road, Burlington, MA 01805
4 Department of Orthopaedic Surgery, PH11, Columbia University, 622 West 168th
Street, Room 1146, New York, NY 10032
5 Department of Orthopaedics and Rehabilitation, Yale University School of
Medicine, P.O. Box 208071, New Haven, CT 06520-8071
6 6550 Fannin, #2625, Houston, TX 77030
7 NorthWest Orthopaedic Institute, P.O. Box 1878, Tacoma, WA 98401
Investigation performed at the American Association of Hip and Knee
Surgeons, Rosemont, Illinois
Disclosure: In support of their research for or preparation of this
work, one or more of the authors received, in any one year, outside funding or
grants of less than $10,000 from the American Association of Hip and Knee
Surgeons (AAHKS). Neither they nor a member of their immediate families
received payments or other benefits or a commitment or agreement to provide
such benefits from a commercial entity. A nonprofit research and education
organization (NorthWest Orthopaedic Institute) paid or directed in any one
year, or agreed to pay or direct, benefits of less than $10,000 to a research
fund, foundation, division, center, clinical practice, or other charitable or
nonprofit organization with which the authors, or a member of their immediate
families, are affiliated or associated.
A commentary is available with the electronic versions of this article, on
our web site
(www.jbjs.org)
and on our quarterly CD-ROM (call our subscription department, at
781-449-9780, to order the CD-ROM).
NOTE: The authors are grateful to the members of the AAHKS
research committee as well as to Dr. Kenneth B. Mathis who gave helpful input
regarding the design of the questionnaire. They are also indebted to Dr.
Sondra T. Perdue, Research Director of the NorthWest Orthopaedic Institute,
for her assistance with the statistical analysis and design. Finally, they
thank Priscilla Majewski, executive Director of AAHKS, for her outstanding
support throughout this study.
Background: There is currently no standardized protocol for
evaluating and treating osteonecrosis of the femoral head in adults in the
United States. We sought to understand current treatment practices of a group
of surgeons who commonly treat this disease to determine if there was
agreement on some aspects of care.
Methods: We designed a two-staged mixed-mode (mailed and faxed)
sixteen-question self-administered descriptive survey questionnaire to be sent
to all 753 active members of the American Association of Hip and Knee Surgeons
(AAHKS). The survey design was based on Dillman's survey research methodology,
and the questionnaire included hypothetical clinical scenarios based on the
Steinberg classification system. The responses elucidated the opinions and
treatment preferences of high-volume arthroplasty surgeons who treat adult
patients with osteonecrosis of the femoral head.
Results: Of the 753 active members of the AAHKS, 403 (54%) responded
to the questionnaire. Total hip replacement was reported to be the most
frequent intervention for treatment of postcollapse (Steinberg stage-IIIB,
IVB, V, and VI) osteonecrosis; core decompression was reported to be the most
commonly offered intervention for symptomatic, precollapse (Steinberg stage-IB
and IIB) osteonecrosis. Less frequently offered treatments included
nonoperative management, osteotomy, vascularized and non-vascularized
bone-grafting, hemiarthroplasty, and arthrodesis.
Conclusions: The care of adults with osteonecrosis of the femoral
head varies among American orthopaedic surgeons specializing in hip and knee
surgery. A consensus may evolve with a continued concerted effort on the part
of interested surgeons, but it will require randomized, controlled,
prospective studies of treatment of each stage of the disease and
collaborative multicenter studies.
Level of Evidence: Therapeutic Level V. See Instructions
to Authors for a complete description of levels of evidence.

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