Injury 2021 Jul 13;52(7):1801-1806. Epub 2021 May 13.
Division of Orthopaedic Trauma, Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Orthopaedics, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan. Correspondence should be addressed to: Taipei Veterans General Hospital 201, Sec.2, Shih-Pai Rd. Taipei 112 Taiwan. Electronic address:
Background: Bipolar hemiarthroplasty is a well-established treatment for displaced femoral neck fracture in elderly patients. Implant subsidence is a potential complication with cementless femoral stems, and smaller canal fill ratio has been reported as a radiographic risk factor. We aimed to determine the risk factors for subsidence, particularly the initial implant position relative to the resected medial calcar of proximal femur. Read More