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Letters to the Editor to:

Scientific Articles:
Jeffery L. Pierson, Merrill A. Ritter, E. Michael Keating, Philip M. Faris, John B. Meding, Michael E. Berend, and Kenneth E. Davis
The Effect of Stuffing the Patellofemoral Compartment on the Outcome of Total Knee Arthroplasty
J Bone Joint Surg Am 2007; 89: 2195-2203 [Abstract] [Full text] [PDF]
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Electronic letters published:

[Read Letter to the Editor] Dr. Pierson et al. respond to Dr. Yadav
Jeffrey L. Pierson, M.D., Merrill A. Ritter, M.D., E. Michael Keating, M.D., Philip M. Faris, M.D., John B. Meding, M.D., Michael E. Berend, M.D., and Kenneth E. Davis, MS   (6 February 2008)
[Read Letter to the Editor] The Effect of Stuffing the Patellofemoral Compartment on the Outcome of Total Knee Arthroplasty
SIDDHARTH YADAV   (28 January 2008)

Dr. Pierson et al. respond to Dr. Yadav 6 February 2008
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Jeffrey L. Pierson, M.D.,
Orthopedic Surgeon
St. Vincent Center for Joint Replacement, Indianapolis, Indiana,
Merrill A. Ritter, M.D., E. Michael Keating, M.D., Philip M. Faris, M.D., John B. Meding, M.D., Michael E. Berend, M.D., and Kenneth E. Davis, MS

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Re: Dr. Pierson et al. respond to Dr. Yadav

jefferypierson{at}hotmail.com Jeffrey L. Pierson, M.D., et al.

Thank you for your interest in our study(1). While the mediolateral position of the femoral component was not the subject of our investigation, all of the surgeons use the same philosophical strategy in performing total knee arthroplasty. Specifically, the femoral component mediolateral position is referenced off of the lateral aspect of the femur. That is, the component is "lateralized". This philosophy is based upon our belief that "lateralization" of the femoral component in total knee arthroplasty improves patellofemoral tracking and may reduce the need for a lateral retinacular release, particularly when compared to "medialization" of the femoral component.

Reference:

1. Pierson JL, ritter MA, Keating EM, Faris PM, Meding JB, Berend ME, Davis KE. The effect of stuffing the patellofemoral compartment on the outcome of total knee arthroplasty. J Bone Joint Surg Am. 2007;89:2195-203.
The Effect of Stuffing the Patellofemoral Compartment on the Outcome of Total Knee Arthroplasty 28 January 2008
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SIDDHARTH YADAV,
Consultant Orthopaedic Surgeon, Godrej Memorial Hospital, Mumbai, INDIA
Indian Orthopaedic Association

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Re: The Effect of Stuffing the Patellofemoral Compartment on the Outcome of Total Knee Arthroplasty

drsiddhartha{at}hotmail.com SIDDHARTH YADAV

To The Editor:

In this article(1), the authors did not report whether the femoral component was lateralized or medialized on the distal femur.

Knowing the medial/lateral position of the femoral component is critical in assessing the function of the patellofemoral compartment.

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 .

Reference:

1. Pierson JL, Ritter MA, Keating EM, Faris PM, Meding JB, Berend ME, Davis KE. The effect of stuffing the patellofemoral compartment on the outcome of total knee arthroplasty. J Bone Joint Surg Am. 2007;89:2195.