assessment of femoral head and head-neck junction perfusion following surgical hip dislocation using...

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Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A Cadaveric Study by Lionel E. Lazaro, Peter K. Sculco, Nadine C. Pardee, Craig E. Klinger, Jonathan P. Dyke, David L. Helfet, Edwin P. Su, and Dean G. Lorich J Bone Joint Surg Am Volume 95(23):e182 December 4, 2013 ©2013 by The Journal of Bone and Joint Surgery, Inc.

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Page 1: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using

Gadolinium-Enhanced Magnetic Resonance Imaging: A Cadaveric Study

by Lionel E. Lazaro, Peter K. Sculco, Nadine C. Pardee, Craig E. Klinger, Jonathan P. Dyke, David L. Helfet, Edwin P. Su, and Dean G. Lorich

J Bone Joint Surg AmVolume 95(23):e182December 4, 2013

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 2: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

An illustration of the vascular danger zone (highlighted in blue), which represents the exposed deep medial femoral circumflex artery as it courses posterior to the obturator externus tendon.

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 3: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

Gross dissection further delineates the location of the exposed deep medial femoral circumflex artery.

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 4: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

The quadratus femoris is reflected to demonstrate the relationship of the ascending medial femoral circumflex artery and the quadratus femoris and obturator externus muscles and the

posterior structures in a representative specimen.

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 5: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

Graph demonstrating the average quantitative MRI results of the perfusion to the femoral head and head-neck junction following the three surgical approaches: the trochanteric flip osteotomy

(TFO), the standard posterior approach (SPA), and the modified post...

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 6: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

An example of the standard posterior approach.

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 7: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

An example of the modified standard posterior approach.

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 8: Assessment of Femoral Head and Head-Neck Junction Perfusion Following Surgical Hip Dislocation Using Gadolinium-Enhanced Magnetic Resonance Imaging: A

An example of the anterior surgical dislocation of the hip through a trochanteric flip osteotomy.

Lionel E. Lazaro et al. J Bone Joint Surg Am 2013;95:e182

©2013 by The Journal of Bone and Joint Surgery, Inc.

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