Accuracy of three-point compression ultrasound for the diagnosis of proximal deep-vein thrombosis in emergency department

Background: This study aimed to assess the accuracy of three-point compression ultrasonography (3PCUS) performed for the diagnosis of proximal deep-vein thrombosis (DVT) in Emergency Department (ED) compared with the results of duplex US (DUS) (whole-leg compression ultrasound). Materials and Method...

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Bibliographic Details
Published in:Journal of research in medical sciences 2019-01, Vol.24 (1), p.80-80
Main Authors: Dehbozorgi, Afsaneh, Damghani, Fatemeh, Mousavi-Roknabadi, Razieh, Sharifi, Mehrdad, Sajjadi, Seyed, Hosseini-Marvast, Seyed
Format: Article
Language:English
Subjects:
compression ultrasound
deep-vein thrombosis
Diagnostic tests
emergency department
Emergency medical care
Gender
Medicine
Original
Software
Studies
Thrombosis
Ultrasonic imaging
Veins & arteries
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Summary:Background: This study aimed to assess the accuracy of three-point compression ultrasonography (3PCUS) performed for the diagnosis of proximal deep-vein thrombosis (DVT) in Emergency Department (ED) compared with the results of duplex US (DUS) (whole-leg compression ultrasound). Materials and Methods: The current prospective cross-sectional study with diagnostic test assessment was conducted on adult patients who were referred to the ED of a general teaching hospital in Shiraz, southern part of Iran (September 2016-May 2017), suspected of lower-extremity DVT, using a convenience sampling. The results of 3PCUS performed by ED residents were compared with the results of DUS performed by the radiology residents, which was considered as a criterion standard. Results: A total of 240 patients were enrolled, with a mean (standard deviation) age of 59.46 (16.58). 3PCUS has a sensitivity and a specificity of 100% (95% confidence interval [CI], 96.55%-100%) and 93.33% (95% CI, 87.72%-96.91%), respectively, in comparison with DUS (whole-leg compression ultrasound). Negative predictive value and positive predictive value were 100% and 92.11% (95% CI, 86.12%-95.64%), respectively, with an accuracy of 96.25% (95% CI, 93%-98.27%). Conclusion: The results of this study showed that 3PCUS of the lower extremities with a portable US machine, performed by the ED's residents, can accurately identify the presence or absence of lower-extremity DVT.
ISSN:1735-1995
1735-1995
1735-7136
DOI:10.4103/jrms.jrms_1057_18