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OBJECTIVE To examine the financial impact health information exchange (HIE) in emergency departments (EDs). MATERIALS AND METHODS We studied all ED encounters over a 13-month period in which HIE data were accessed in all major emergency departments Memphis, Tennessee. HIE access encounter records were matched with similar encounter records without HIE(More)
The objective of this review was to describe methods used to study and model workflow. The authors included studies set in a variety of industries using qualitative, quantitative and mixed methods. Of the 6221 matching abstracts, 127 articles were included in the final corpus. The authors collected data from each article on researcher perspective, study(More)
OBJECTIVE Health information exchange (HIE) systems are being developed across the nation. Understanding approaches taken by existing successful exchanges can help new exchange efforts determine goals and plan implementations. The goal of this study was to explore characteristics of use and users of a successful regional HIE. DESIGN We used a mixed-method(More)
Lack of understanding about workflow can impair health IT system adoption. Observational techniques can provide valuable information about clinical workflow. A pilot study using direct observation was conducted in an outpatient chronic disease clinic. The goals of the study were to assess workflow and information flow and to develop a general model of(More)
OBJECTIVE The goal of this study was to develop an in-depth understanding of how a health information exchange (HIE) fits into clinical workflow at multiple clinical sites. MATERIALS AND METHODS The ethnographic qualitative study was conducted over a 9-month period in six emergency departments (ED) and eight ambulatory clinics in Memphis, Tennessee, USA.(More)
A goal of health information technology (HIT) is to help eliminate variation when it may compromise safety, efficiency, or quality of care. This study utilized direct observation and semi-structured interviews to examine variability in HIT use among four nurse practitioners and four physicians in an ambulatory diabetes clinic and to assess the impact of(More)
BACKGROUND The fragmented nature of health care delivery in the United States leads to fragmented health information and impedes patient care continuity and safety. Technologies to support interorganizational health information exchange (HIE) are becoming more available. Understanding how HIE technology changes health care delivery and affects people and(More)
OBJECTIVE We compare 5 health informatics research projects that applied community-based participatory research (CBPR) approaches with the goal of extending existing CBPR principles to address issues specific to health informatics research. MATERIALS AND METHODS We conducted a cross-case analysis of 5 diverse case studies with 1 common element:(More)