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British Hip Society (BHS) meeting, held online, 9–11 June 2021.


Safe and meticulous removal of the femoral cement mantle and cement restrictor can be a challenging process in revision total hip arthroplasty (rTHA). Many proximal femoral osteotomies have been described to access this region however they can be associated with fracture, non-union and revision stem instability. The aim of this study is to report outcomes of our previously unreported vascularised anterior window to the proximal femur.

We report on a cohort of patients who underwent cemented single and staged rTHA at our single institution by the same surgeon between 2012 and 2017 using a novel vascularised anterior window of the femur to extract the cement mantle and restrictor safely under direct vision. We describe our technique, which maintains the periosteal and muscular attachments to the osteotomised fragment, which is then repaired with a polymer cerclage cable. In all revisions a polished, taper slip, long stem Exeter was cemented. Primary outcome measures included the time taken for union and the patient reported WOMAC score.

Thirty-two rTHAs were performed in 29 consecutive patients (13 female, 16 male) with a mean age of 63.4 years (range, 47–88). The indications for revision included infection, aseptic loosening and implant malpositioning. Mean follow up was 5.3 (range, 3.2–8 years). All femoral windows achieved radiographic union by a mean of 7.2 weeks. At the latest point in follow-up the mean WOMAC score was 21.6 and femoral component survivorship was 100%. There were no intraoperative complications or additional revision surgery.

Our proposed vascularised anterior windowing technique of the femur is a safe and reproducible method to remove the distal femoral cement and restrictor under direct vision without the need for perilous instruments. This method also preserves the proximal bone stock and provides the surgeon with the option of cemented stems over uncemented revision implants that predominantly rely on distal fixation.