Joshua M Pevnick1, Andrew J Herzik2, Ximin Li3, Irene Chen4, Mamata Chithriki5, Lysander Jim5, Paul Silka6. 1. Division of General Internal Medicine, Department of Medicine, Cedars-Sinai Health System, Los Angeles, California. Electronic address: jpevnick@gmail.com. 2. Albert Einstein College of Medicine, Bronx, New York. 3. Enterprise Information Services, Cedars-Sinai Health System, Los Angeles, California. 4. Department of Imaging, Cedars-Sinai Health System, Los Angeles, California. 5. Department of Physical Medicine and Rehabilitation, Veteran Affairs Greater Los Angeles Health System, Los Angeles, California. 6. Department of Emergency Medicine, Cedars-Sinai Health System, Los Angeles, California.
Abstract
PURPOSE: The effect of computerized physician order entry (CPOE) on imaging indication quality had only been measured in one institution's emergency department using a homegrown electronic health record with faculty physicians, and only with one instrument. To better understand how many US hospitals' recent CPOE implementations had affected indication quality, we measured its effect in a generalizable inpatient setting, using one existing and one novel instrument. METHODS: We retrospectively analyzed the indications for 100 randomly selected inpatient abdominal CT studies during 2 calendar months immediately prior to a 3/3/2012 CPOE implementation (1/1/2012-2/29/2012) and during 2 subsequent calendar months (5/1/2012-6/30/2012). We excluded 2 intervening months to avoid behaviors associated with adoption. We measured indication quality using a published 8-point explicit scoring scale and our own, novel, implicit 7-point Likert scale. RESULTS: Explicit scores increased 93% from a pre-CPOE mean ± 95% confidence interval of 1.4 ± 0.2 to a CPOE mean of 2.7 ± 0.3 (P < .01). Implicit scores increased 26% from a pre-CPOE mean of 4.3 ± 0.3 to a CPOE mean of 5.4 ± 0.2 (P < .05). When presented with a statement that an indication was "extremely helpful," and choices ranging from "strongly disagree" = 1 to "strongly agree" = 7, implicit scores of 4 and 5 signified "undecided" and "somewhat agree," respectively. CONCLUSIONS: In an inpatient setting with strong external validity to other US hospitals, CPOE implementation increased indication quality, as measured by 2 independent scoring systems (one pre-existing explicit system and one novel, intuitive implicit system). CPOE thus appears to enhance communication from ordering clinicians to radiologists.
PURPOSE: The effect of computerized physician order entry (CPOE) on imaging indication quality had only been measured in one institution's emergency department using a homegrown electronic health record with faculty physicians, and only with one instrument. To better understand how many US hospitals' recent CPOE implementations had affected indication quality, we measured its effect in a generalizable inpatient setting, using one existing and one novel instrument. METHODS: We retrospectively analyzed the indications for 100 randomly selected inpatient abdominal CT studies during 2 calendar months immediately prior to a 3/3/2012 CPOE implementation (1/1/2012-2/29/2012) and during 2 subsequent calendar months (5/1/2012-6/30/2012). We excluded 2 intervening months to avoid behaviors associated with adoption. We measured indication quality using a published 8-point explicit scoring scale and our own, novel, implicit 7-point Likert scale. RESULTS: Explicit scores increased 93% from a pre-CPOE mean ± 95% confidence interval of 1.4 ± 0.2 to a CPOE mean of 2.7 ± 0.3 (P < .01). Implicit scores increased 26% from a pre-CPOE mean of 4.3 ± 0.3 to a CPOE mean of 5.4 ± 0.2 (P < .05). When presented with a statement that an indication was "extremely helpful," and choices ranging from "strongly disagree" = 1 to "strongly agree" = 7, implicit scores of 4 and 5 signified "undecided" and "somewhat agree," respectively. CONCLUSIONS: In an inpatient setting with strong external validity to other US hospitals, CPOE implementation increased indication quality, as measured by 2 independent scoring systems (one pre-existing explicit system and one novel, intuitive implicit system). CPOE thus appears to enhance communication from ordering clinicians to radiologists.
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