![]() ![]() ![]() 11 As the Manitoba Health Medical Claims Registry data did not distinguish between subsequent procedures performed on the ipsilateral versus contralateral hip, the side of the subsequent procedure was determined from manual review of paper medical records and operative reports for patients who had a subsequent procedure. We identified all documented patients by querying the Manitoba Joint Replacement Registry and Manitoba Health Medical Claims Registry with 4 primary billing codes for hemiarthroplasty (0870 fracture, femur, neck, prosthetic replacement 1149 total hip arthroplasty, femoral head replacement type 1423 bipolar hip arthroplasty 1424 unipolar hip arthroplasty) and 8 secondary billing codes for the subsequent procedures (1154 total hip arthroplasty, when previous uncemented Austin Moore prosthesis, cup, or plates require removal 1175 arthrodesis, hip 1332 dislocation, hip, closed reduction 1334 dislocation, hip, open reduction 1414 revision of hemiarthroplasty to total hip 1415 total hip arthroplasty 1422 removal of hip prosthesis without replacement 1425 resection, femoral head ). Data were collected from March to October 2017, which was a mean of 7 ± 3 years after the hemiarthroplasty. 31, 2015) and who required subsequent orthopedic procedures on the ipsilateral hip. This study was a retrospective medical record review of patients who underwent hemiarthroplasty for treatment of a femoral neck fracture in the province of Manitoba over an 11-year period (Jan. The purpose of this study was to determine the frequency and predictors of modes of failure of hemiarthroplasty in Manitoba. We hypothesized that hemiarthroplasty for femoral neck fracture in Manitoba has infrequent failure and that the failure rate may be comparable to that in other geographic regions. 9 The most common causes for hemiarthroplasty reoperation globally include acetabular wear, infection, instability, aseptic loosening and periprosthetic fracture, but limited Canadian data are available about hemiarthroplasty failure modes. 5 Femoral component fixation in hemiarthroplasty outside North America commonly involves use of cement, 6 – 8 but uncemented, press-fit fixation frequently is used in North America. There is controversy about the optimal surgical technique for hemiarthroplasty, including surgical approach (anterior, lateral or posterior), endoprosthesis head (unipolar modular, unipolar monoblock, or bipolar) and stem fixation (cemented or uncemented). ![]() 1 – 4 Hemiarthroplasty is also performed for femoral neck nonunion, failed screw fixation and pathologic femoral neck fracture. Risk factors for multiple reoperations included dislocation, infection and alcohol abuse.Īcute displaced intracapsular femoral neck fractures comprise almost half of all hip fractures, and most of these fractures in elderly patients in the developed world are treated surgically with hip hemiarthroplasty, total hip arthroplasty, or internal fixation. Conclusion: Hemiarthroplasty for femoral neck fracture in Manitoba had a low frequency of failure. ![]()
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