Spinopelvic Relationship and Its Impact on Total Hip Arthroplasty.

The dynamic, complex interaction among the spine, pelvis, and hip is often underappreciated, yet understanding it is vital for both arthroplasty and spinal surgeons. There is an increasing incidence of degenerative hip and spinal pathologies as a result of the ageing population. Furthermore, hip pathology can cause spine pathology and vice versa through "hip-spine" and "spine-hip syndrome." Consequently, total hip arthroplasty (THA) and spinal fusion surgery, which both affect spinopelvic mobility, are also on the rise. Alteration in spinopelvic motion can affect the orientation of the acetabulum and, therefore, implant positioning in THA, leading to complications such as dislocation, impingement, aseptic loosening, and wear of components. This makes it imperative to assess spinopelvic motion and pelvic tilt prior to patients undergoing THA. In this paper, we explore how the surgeon should proceed to reduce risk of component malalignment, as well as the role of navigation systems in acetabular cup positioning.

Distally Based Sartorius Flap for Soft Tissue Coverage of the Distal Femur.

This case report outlines the use of the distal pedicle of the sartorius muscle in the coverage of a large bony and soft tissue defects of the distal femur in a trauma setting. How to cite this article: McArdle C, Louette S, Wilks D, et al. Distally Based Sartorius Flap for Soft Tissue Coverage of the Distal Femur. Strategies Trauma Limb Reconstr 2021;16(2):120-122.