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The PSNet Collection: All Content

The AHRQ PSNet Collection comprises an extensive selection of resources relevant to the patient safety community. These resources come in a variety of formats, including literature, research, tools, and Web sites. Resources are identified using the National Library of Medicine’s Medline database, various news and content aggregators, and the expertise of the AHRQ PSNet editorial and technical teams.

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Pedroja AT, Blegen MA, Abravanel R, et al. J Patient Saf. 2014;10:168-75.
Much of the research on the patient safety risks of hospital overcrowding has focused on the emergency department, where overcrowding and increased length of stay have been linked to medication errors and other types of adverse events. This observational study sought to develop a metric of hospital system load—a multidimensional measure of overall hospital workload—and investigate the relationship between system load and adverse events. The final system load metric included measures of census, length of stay, and turnover for the emergency department, inpatient units, and operating rooms. In exploratory analyses this was correlated with several types of adverse events. Though further research will be needed to validate the system load metric, this study provides a new method to quantify system stressors that could affect patient safety.