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Evaluation of the interpretation of serial ultrasound examinations in the diagnosis of deep venous thrombosis in children: a retrospective cohort study.

https://arctichealth.org/en/permalink/ahliterature104672
Source
Can Assoc Radiol J. 2014 Aug;65(3):218-24
Publication Type
Article
Date
Aug-2014
Author
Michael Stamm
Anna Zavodni
Lesley Mitchell
John Ross Bonanni
Michelle Noga
Author Affiliation
Department of Radiology and Diagnostic Imaging, University of Alberta Hospital, Edmonton, Alberta, Canada.
Source
Can Assoc Radiol J. 2014 Aug;65(3):218-24
Date
Aug-2014
Language
English
Publication Type
Article
Keywords
Adolescent
Alberta - epidemiology
Child
Child, Preschool
Female
Humans
Infant
Infant, Newborn
Male
Reproducibility of Results
Retrospective Studies
Venous Thrombosis - epidemiology - ultrasonography
Abstract
To assess ultrasound intrascan variability and the potential error rate of serial ultrasounds in the diagnosis of deep venous thrombosis in children.
A retrospective cohort review of imaging results of children having at least 3 serial ultrasound examinations of the same region within a 2-month period. The results were interpreted as either (1) inadequately visualized or (2) the absence or presence of deep venous thrombosis, and were categorized by location. Serial imaging findings then were further categorized based on results and clinical information.
Sixty-four patients and 157 vessel segments were included in the study. Deep venous thrombosis was documented in 58 patients. Concordant results were observed in 26 patients (40.1%), clot resolution in 17 patients (26.6%), clot formation in 12 patients (18.8%), and discordant results in 9 patients (14%). Twenty-one of 64 patients (32.8%) had at least 1 vessel inadequately imaged.
The inconsistency of serial ultrasound results in up to 25% of patients calls attention to the potential inaccuracy of ultrasound for diagnosis and follow-up of deep venous thrombosis in children. The high proportion of patients with at least 1 inadequately visualized vessel also highlights the limitation of ultrasound in the diagnosis of pediatric deep venous thrombosis.
PubMed ID
24650872 View in PubMed
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