Abstract
To the Editor: The article by Piazza et al published recently in Circulation found that the use of physician alerts versus a no-alert system in hospital wards did not lead to a significant reduction in symptomatic venous thromboembolic events (VTE), although it did increase the use of thromboprophylaxis.1 These results contrasted with the authors’ previous study using an electronic alert system, in which statistically significant differences were found for both increased uptake of thromboprophylaxis and decreased VTE events, favoring the intervention group.2 A careful look at the data reveals that a sizeable proportion of deep vein thrombosis (DVT) (8 of 19 events [42%] in the …
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