2007, Number S1
Diagnóstico de la trombosis venosa profunda
Enríquez-Vega E, Halabe-Cherem J, Tanus-Hajjc J, Francisco-Avelare
Language: Spanish
References: 6
Page: 15-17
PDF size: 37.16 Kb.
ABSTRACT
Clinical diagnosis of deep vein thrombosis is imprecise because clinical data are insensitive and unspecific. Above 50% of patients with classical symptoms have not deep vein thrombosis. Clinical data have a 60 to 96% sensibility and 20 to 72% specificity. Objective diagnostic tests increase the possibility of making reliable the diagnosis of deep vein thrombosis The Weels Model allows to perform a clinical decision and to classify patients at risk for deep vein thrombosis. Appropriate confirmation of this diagnosis is necessary in order to eliminate differential diagnosis as well as to indicate the most proper drug therapy. The classification process combined with the application of non-invasive tests simplifies the strategy for a better clinical management. D dimer test is simple and nonexpensive in patients suspected to have deep vein thrombosis. It has 96 to 100% sensibility. If is below normal ranges, it excludes the diagnosis of distal deep vein thrombosis. Doppler ultrasonography is the most widely used non-invasive test since it sensibility rises up to 96% in case of symptomatic deep vein thrombosis. Ascendant flebopraphy is the gold standard test to diagnose deep vein thrombosis but it is uncomfortable, invasive, and it is associated with an increased risk of allergic reactions due to the use of iodine-containing contrasting solutions. Also, it has been associated with local vein thrombosis. Impedance pletismography detects deep vein thrombosis if blood flow is extensively stopped but it is not useful in the presence of small thrombi.REFERENCES