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. 2011 Jan 1;34(2):87.
doi: 10.3928/01477447-20101221-18.

The role of computed tomography in the diagnosis and management of femoral neck fractures in the geriatric patient

Affiliations

The role of computed tomography in the diagnosis and management of femoral neck fractures in the geriatric patient

J Stuart Melvin et al. Orthopedics. .

Erratum in

  • Orthopedics. 2012 Jan;35(1):27. Mataszewski, Paul [corrected to Matuszewski, Paul E]

Abstract

Femoral neck fractures are common in the elderly; however, agreement on classification and treatment varies. It was hypothesized that computed tomography (CT) would increase agreement for Garden Classification and treatment plan over plain radiographs alone. This article presents results of an online survey completed by 32 respondents at a single institution. The survey was comprised of 5 elderly patients with femoral neck fractures using plain radiographs and CT images. Cases were randomly presented in 3 formats: (1) plain radiograph, (2) CT, and (3) plain radiograph and CT together. Patients were described as low-energy trauma, 65 years or older, and cleared for surgery. Garden Classification and treatment plans were queried. A single case was repeated for intraobserver reliability. Kappa was calculated for inter- and intraobserver reliability. The addition of CT and modification of the Garden Classification (nondisplaced vs displaced) improved interobserver agreement in all cases. Participants were 1.7× more likely (P=.042) to change their Modified Garden Classification when CT was added to plain radiograph compared to plain radiograph added to CT. Treatment agreement was slight to fair. Intraobserver agreement varied from slight to moderate. The rate of arthoplasty recommendations was similar across attending subspecialties; however, arthroplasty-trained surgeons were 20 to 60 times more likely to recommend total hip arthroplasty (P=.009) over hemiarthroplasty compared to nonarthroplasty-trained surgeons. The addition of CT to plain radiograph after femoral neck fracture improves Garden Classification agreement. However, treatment agreement was not impacted by CT. Factors other than improved classification agreement appeared to direct surgeons' treatment recommendations.

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