Abstract
Deep venous thrombosis is a prevalent disease and difficult being detected which can be lethal if developed. Ultrasonography and duplex ultrasonography are two of the diagnostic methods with their restrictions. The present study addresses the analysis of the succession of compression ultrasonography as a method with less restrictions in comparison with ultrasonography and duplex ultrasonography. The present study was conducted in the central urgency section of Imam Reza Hospital, Mashhad, Iran, which is a public academic institute, on 70 patients in 2014. All patients were subjected to compression ultrasonography before duplex ultrasonography and those who had previous duplex ultrasonography sessions with available results were excluded from the investigations. Finally, the results of 63 patients were analyzed, 7 being excluded due to their inaccessible data. According to the results, 52 percent of subjects were males and 48 percent were females. The result of the regular ultrasonography was positive for 37 and negative for 26 patients. Duplex ultrasonography, however, led to positive results for 35 patients (equivalent to 37 lower limb organs) and negative results for 28 subjects (equivalent to 41 lower limb organs). The sensitivity, specificity, and precision of the diagnosis via compression ultrasonography were found to be 97, 90, and 93.5 percent, respectively, and the positive and negative predictive values were calculated to be 90 and 97 percent, respectively, with a CI of 95 percent. The diagnostic accuracy of 96.8% suggests that the use of compression sonography can be a good accuracy in the diagnosis of deep vein thrombosis of the lower extremities, but it cannot replace more accurate methods that are currently used as available selected diagnostic methods.
Highlights
Deep vein thrombosis (DVT) is a common problem whose diagnosis is often difficult and when it is in progress can be fatal
The present study addresses the analysis of the succession of compression ultrasonography as a method with less restrictions in comparison with ultrasonography and duplex ultrasonography
All patients were subjected to compression ultrasonography before duplex ultrasonography and those who had previous duplex ultrasonography sessions with available results were excluded from the investigations
Summary
Deep vein thrombosis (DVT) is a common problem whose diagnosis is often difficult and when it is in progress can be fatal. Both in symptomatic patients with accurate differential diagnosis and at risk asymptomatic patients, necessary care must be taken (Kahn & Ginsberg, 2002). There are many tools for evaluation DVT. Conventional sonography (compression sonography) is the most effective diagnostic tool in the emergency department that has shown the greatest accuracy and lowest cost. The ability of sonography technician may delay sonography or not be taken for low-risk patients (Fox & Bertoglio, 2011)
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