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Letters to the Editor   |    
Comparison of the Vastus-Splitting and Median Parapatellar Approaches for Primary Total Knee Arthroplasty: A Prospective, Randomized Study. Surgical Technique
Alan C. Merchant, MD1
1 Stanford University, 124 Marvin Avenue, Los Altos, CA 94022, e-mail: kneemd@sbcglobal.net
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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.

The Journal of Bone and Joint Surgery, Incorporated
J Bone Joint Surg Am, 2007 Nov 01;89(11):2554-2554
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Extract

To The Editor:The otherwise excellent article, "Comparison of the Vastus-Splitting and Median Parapatellar Approaches for Primary Total Knee Arthroplasty: A Prospective, Randomized Study. Surgical Technique" (2007;89 Suppl 2 Part 1:80-92), by Kelly et al., was marred by an error in the legend to Figure 1. The axial radiograph of the knee was mislabeled as "a Merchant radiograph of the patella."The shape and appearance of the dista part of the femur on the radiograph demonstrates that it is really a Settegast view. This technique requires the knee to be acutely flexed well beyond 90°, drawing the patella, which might otherwise be severely subluxated laterally at the trochlear level, into the intercondylar space to articulate with the distal, or weight-bearing, surface of the femoral condyles.
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