The Journal of Bone and Joint Surgery (American). 2006;88:80-84.
doi:10.2106/JBJS.F.00825
© 2006 The Journal of Bone and Joint Surgery, Inc.
Surgical Management of Symptomatic Instability Following Failed Primary Total Knee Replacement
Theodore P. Firestone, MD and
Robert W. Eberle
Corresponding author: Theodore P. Firestone, MD The Joint Replacement
Center of Scottsdale, P.C., and The Firestone Medical Research Foundation,
10250 North 92nd Street, Medical Plaza 1, Suite 202, Scottsdale, AZ 85258.
E-mail address:
DrFirestone@JRCScottsdale.com
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Introduction
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In 2006, the most common reason for revision total knee replacement within
five years after the index procedure is symptomatic
instability1,2.
What was once considered to be pain of unknown origin is now frequently
recognized as pain due to instability of the knee
replacement3.
Successful treatment of pain at the site of an unstable replacement begins
with the identification of patients who are truly symptomatic because of
instability, followed by conservative management and, when necessary, surgical
intervention.
In the present study, we attempted to identify the clinical parameters
related to the history and physical examination that led to the diagnosis of
instability following a primary total knee replacement. In addition, a
detailed radiographic analysis was performed to help to identify the patient
at risk and postoperative radiographs were assessed in an attempt to quantify
the changes made intraoperatively.
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Materials and Methods
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Between 1994 and 2003, the senior author (T.P.F.) performed 322 . . . [Full Text of this Article]

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