Abstract
A study of logged interventions at an electronic intensive care unit (e-ICU) was conducted to examine how functions changed over a two-year period. In total, 2301 log entries of e-ICU interventions from 2005 and 2007 were uniquely coded as to function. A Chi square goodness of fit analysis revealed that 7 out of 11 functions (64%) significantly changed over the two years that were measured. There were increases seen by the log data in the e-ICU nurses calling ICU nurses to supply missing information, recommend the use of best practices, and providing education to ICU nurses. Additionally, increases were seen for e-ICU physicians receiving requests for ordering actions to be taken on patients. Decreases were seen in e-ICU nurses communicating critical lab results and vital sign changes to ICU nurses. We discuss how these shifts relate to several of our predicted archetypical patterns for how new technologies change over time, both in terms of their primary functions as well as changes to positive and negative “unintended” consequences on secondary functions.
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