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The Journal of Bone and Joint Surgery (American).
2008;90:65-70.
doi:10.2106/JBJS.H.00462
© 2008 The Journal of Bone and Joint Surgery, Inc.

James R. Romanowski, MD¹ and Michael L.
Swank, MD²

¹ Department of Orthopaedic Surgery, University of
Cincinnati, 224 Leather Leaf Lane, Lebanon, OH 45036
² Cincinnati Orthopaedic Research Institute, 9825 Kenwood Road, Suite
200, Cincinnati, OH 45242

Background: Studies suggest that  hip
arthroplasty procedures performed
in specialty hospitals or by physicians in practices with a high
surgical volume are associated with a decreased rate of adverse
outcomes related to component malpositioning. Little is known,
however, about the influence of imageless computer navigation systems
on the procedural experience of the surgeon and the subsequent
alignment of implants in the setting of
hip resurfacing arthroplasty…

…Conclusions: Computer-assisted navigation is a dependable and
accurate method of positioning
hip
resurfacing components during arthroplasty, as
measured by cup
inclination, and a reliable technique
for
valgus stem placement and avoidance of notching. Furthermore,
computer navigation allows
for
consistency of component alignment independent of procedural
experience.