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. 2021 Feb 1;35(2):106-109.
doi: 10.1097/BOT.0000000000001900.

Why Make the Cut? Trochanteric Slide Osteotomy Can Improve Exposure to the Anterosuperior Acetabulum

Kevin D Phelps  1 , Colin V Crickard  2 , Katherine Li  1 , Luke S Harmer  1 , Erica Andrews McArthur  1 , Katherine Sample Robinson  1 , Stephen H Sims  1 , Joseph R Hsu  1
Affiliations

Why Make the Cut? Trochanteric Slide Osteotomy Can Improve Exposure to the Anterosuperior Acetabulum

Kevin D Phelps et al. J Orthop Trauma. .

Abstract

Objective: To define relative increases in visual bony surface area and access to critical landmarks with the addition of a trochanteric slide osteotomy to a Kocher-Langenbeck approach.

Methods: A Kocher-Langenbeck approach followed by a trochanteric slide osteotomy was sequentially performed on 10, fresh-frozen, hemipelvectomy cadaveric specimens. Visual and palpable access to relevant surgical landmarks was recorded. Calibrated digital photographs were taken of each approach and analyzed using Image J.

Results: The acetabular surface area exposed was 27.66 (±6.67) cm2 for a Kocher-Langenbeck approach. This increased to and 41.82 (±7.97) cm2 with the addition of a trochanteric osteotomy. The exposed surface area was increased by 51.2% for the trochanteric osteotomy (P < 0.001). The superior margin of the acetabulum could be visualized and palpably accessed in both exposures. Access to the more anterosuperior portions of the acetabulum was consistently possible in the trochanteric osteotomy but not with the Kocher-Langenbeck approach.

Conclusions: A trochanteric osteotomy may visually improve access to the most anterosuperior acetabulum but does not significantly improve surgical access to relevant portions of the superior acetabulum when compared with a Kocher-Langenbeck approach.

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Conflict of interest statement

J. R. Hsu reports personal fees from Smith & Nephew (speaker bureau) and Globus Medical (consulting). The remaining authors report no conflict of interest.

References

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