Surgical anatomy of the pelvic vasculature, with particular reference to acetabular screw fixation in cementless total hip arthroplasty in Asian population

Journal of Orthopaedic Surgery
Hironori OhashiShinichi Konno

Abstract

Pelvic vascular injury is a serious complication associated with acetabular component setting with screw fixation in cementless total hip arthroplasty (THA). In this study, we investigated the safety zone for acetabular component setting with screw fixation in cementless THA as a means to prevent pelvic vascular injury. Thirty left hip joints of Japanese cadavers (11 males and 19 females) were analyzed. We used a hemispherical measuring cup with 52 guide holes designed to allow vertical insertion of a Kirschner wire. After the measuring cup was placed on the acetabulum, the Kirschner wire was inserted from each guide hole to examine the anatomical relationship between the acetabulum and the pelvic vessels. We calculated the frequency of pelvic vessel punctures and measured the distance from the acetabular surface to the pelvic vessels at each guide hole. Our findings revealed that pelvic vessels do not exist in certain parts of the posterior area of the acetabulum. Furthermore, in this area, intrapelvic vessels are either lacking or located at a distance ≥31 mm from the surface of the acetabulum. The posterior area of the acetabulum, excluding its central portion, appeared to be the safety zone for acetabular screw fixation in ...Continue Reading

References

Apr 1, 1975·Acta Orthopaedica Scandinavica·A Kroese, A Mollerud
Aug 1, 1985·The Journal of Bone and Joint Surgery. British Volume·A H Ratliff
Apr 1, 1983·Acta Orthopaedica Scandinavica·D BergqvistB F Ericsson
Jan 1, 1997·Surgical and Radiologic Anatomy : SRA·P FeugierA Bouchet

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Citations

Aug 17, 2020·The Journal of the American Academy of Orthopaedic Surgeons·Christopher M MelnicSantiago A Lozano-Calderon
Mar 31, 2021·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Edward J TestaSteven DeFroda

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Methods Mentioned

BETA
total hip arthroplasty

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