F. Pomero (1), F. Dentali (2), V. Borretta (1), M. Bonzini (3), R. Melchio (1), J. D. Douketis (4), L. M. Fenoglio (1)
(1) Department of Clinical Medicine, ASO S. Croce e Carle, Cuneo, Italy; (2) Department of Clinical Medicine, University of Insubria, Varese, Italy; (3) Epidemiology and Preventive Medicine Research Center, Department of Experimental Medicine, University of Insubria, Varese, Italy; (4) Department of Medicine, McMaster University, Hamilton, Ontario, Canada
Duplex ultrasound is the first-line diagnostic test for detecting lower limb deep-vein thrombosis (DVT) but it is time consuming, requires patient transport, and cannot be interpreted by most physicians. The accuracy of emergency physician–performed ultrasound (EPPU) for the diagnosis of DVT, when performed at the bedside, is unclear. We did a systematic review and meta-analysis of the literature, aiming to provide reliable data on the accuracy of EPPU in the diagnosis of DVT. The MEDLINE and EMBASE databases (up to August 2012) were systematically searched for studies evaluating the accuracy of EPPU compared to either colour-flow duplex ultrasound performed by a radiology department or vascular laboratory, or to angiography, in the diagnosis of DVT. Weighted mean sensitivity and specificity and associated 95% confidence intervals (CIs) were calculated using a bivariate random-effects regression approach. There were 16 studies included, with 2,379 patients. The pooled prevalence of DVT was 23.1% (498 in 2,379 patients), ranging from 7.4% to 47.3%. Using the bivariate approach, the weighted mean sensitivity of EPPU compared to the reference imaging test was 96.1% (95%CI 90.6–98.5%), and with a weighted mean specificity of 96.8% (95%CI:94.6–98.1%). Our findings suggest that EPPU may be useful in the management of patients with suspected DVT. Future prospective studies are warranted to confirm these findings.
Ultrasound, Deep-vein thrombosis, emergency physician
P. Krackowizer, E. Brenner
Phlebologie 2008 37 2: 83-92
W. Blättler 1 , H. E. Gerlach2
Phlebologie 2005 34 3: 146-156
Alexander T. Cohen1, Giancarlo Agnelli2, Frederick A. Anderson3, Juan I. Arcelus4, David Bergqvist5, Josef G. Brecht6, Ian A. Greer7, John A. Heit8, Julia L. Hutchinson9, Ajay K. Kakkar10, Dominique Mottier11, Emmanuel Oger11, Meyer-Michel Samama12, Michael Spannagl13 for the VTE Impact Assessment Group in Europe (VITAE)
Thromb Haemost 2007 98 4: 756-764
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