Abstract
Basic critical care echocardiography (CCE) is routinely used by intensive care unit (ICU) providers to rapidly address key hemodynamic questions for the critically ill. By comparison, diagnostic echocardiography (DE) uses a comprehensive examination with more traditional workflow and sophisticated techniques. Despite these differences, both are frequently used to answer similar questions in ICU. This overlap raises questions of duplicate testing and redundancy of hospital resources. We therefore evaluated the effect of the introduction of basic CCE over the use of DE in Victoria Hospital, a tertiary care ICU in London Ontario, Canada. The monthly mean ratios of basic CCE and DE studies to patient care days (PCD) were plotted and general linear models were used to test for trends over time. Student t test was used to compare the mean DE/PCD before and after the introduction of basic CCE. The ratio of management actions for basic CCE studies was described. Outcome measures were compared using Pearson χ(2) test of association or the Wilcoxon rank sum test. Over the 2-year study period, 1264 basic CCE studies were performed. Over this time, the ratio of CCE/PCD increased significantly (P<.001), whereas the ratio of DE/PCD decreased...Continue Reading
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