Does adding computed tomography change the diagnosis and treatment of tillaux and triplane pediatric ankle fractures?
Summary of "Does adding computed tomography change the diagnosis and treatment of tillaux and triplane pediatric ankle fractures?"
Computed tomography (CT) has been deemed a necessary part of management for Tillaux and triplane pediatric ankle fractures. However, no previously published study has attempted to quantify its usefulness in changing management. Six third-party, blinded orthopedic surgeons (F.A.L., E.N.K., D.M.P., K.J.K., D.S.F., K.A.E.) were randomly assigned to evaluate 24 pediatric Tillaux or triplane fractures with plain radiographs; after 6 months, they were again randomly assigned to evaluate the 24 radiographs plus CT scans, totaling 144 third-party, blinded evaluations. Intra- and interobserver agreements were assessed via correlation coefficient analysis. Evaluation of CT scans changed the original diagnosis of fracture type from Tillaux to triplane fracture in 7 (4.9%) of 144 evaluations. Inter- and intraobserver agreements regarding primary treatment plans did not significantly differ between radiographs and radiographs plus CT scans (0.5 vs 0.4, respectively; P>.05). The addition of CT did not significantly change the impression of the amount of displacement per case. By adding CT, more patients who were assigned nonoperative management were reassigned to operative treatment (P=.033). Adding CT, although it may influence the decision to operate on Tillaux and triplane fractures, may not be as useful as previously thought.
This article was published in the following journal.
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22310408
- DOI: http://dx.doi.org/10.3928/01477447-20120123-11
Medical and Biotech [MESH] Definitions
Tomography, Spiral Computed
Computed tomography where there is continuous X-ray exposure to the patient while being transported in a spiral or helical pattern through the beam of irradiation. This provides improved three-dimensional contrast and spatial resolution compared to conventional computed tomography, where data is obtained and computed from individual sequential exposures.
Cone-beam Computed Tomography
Computed tomography modalities which use a cone or pyramid-shaped beam of radiation.
Tomography, X-ray Computed
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.
Tomography using radioactive emissions from injected RADIONUCLIDES and computer ALGORITHMS to reconstruct an image.
Descriptive anatomy based on three-dimensional imaging (IMAGING, THREE-DIMENSIONAL) of the body, organs, and structures using a series of computer multiplane sections, displayed by transverse, coronal, and sagittal analyses. It is essential to accurate interpretation by the radiologist of such techniques as ultrasonic diagnosis, MAGNETIC RESONANCE IMAGING, and computed tomography (TOMOGRAPHY, X-RAY COMPUTED). (From Lane & Sharfaei, Modern Sectional Anatomy, 1992, Preface)
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