EMR and EHR System Implementation Best Practices - Part 4 - Literature Review

This is the fourth article in a series dedicated toultimate goals of implementing an EMR system.
uncovering the best practices for an EMRThis complex interaction of both human and
implementation. The information presented hasfunctional provider systems leads to the case for
been developed by the author as part of aan EMR system. Ewing suggests that the complex
research project.interactions of a patient with the medical delivery
Literature Review - Introductionsystem expose the patient to significant risk of
Opinions vary on widely on the benefits of EMRadverse treatment. Risks identified include delivery
technology and whether providers shouldof incorrect medication, prescription interactions
implement them. Christman suggests that theand lack of medical history in emergency
security issues alone is reason enough to seriouslysituations. EMR systems are designed to help
assess whether an EMR is right for a particularimprove patient medical care and the provider's
practice (Christman, 2006). However, governmentability to deliver accurate medical information
entities at both the state and federal level(Kizer, 2007).
(Edwards, Lovelock, & Rose, 2006) alongEMR systems may ultimately feed other systems
with third party payer groups (Wojcik, 2006) andsuch as an aggregation point for a PHR that a
corporate entities (Bit by bit, 2006) are drivingpatient can access and carry with them from
health care providers ultimately to electronicallyappointment to appointment (Shetty, 2007).
accessible medical records.Reversing the scenario, an EMR system can
Currently, about 25 percent of U.S physicians arecollect and aggregate information from other
using systems that facilitate electronic healthsources such as laboratory, x-ray and
records (Murdock, 2007). As EMR systems gainunstructured data like faxes or handwritten notes
momentum due to private and public pressures,(Wojcik, 2006). Reduction of the storage
the number of implementations will continue tonecessary to keep paper charts is also a noted
rise and subsequently lead to the rise in failuresas a reason to leverage and EMR freeing up of
(The Standish Group, 1995). It is the purpose ofspace better used for revenue generation. Paper
this study to help reduce failures by providing acharts have their own risks associated with them
framework in which effective best practice withinin terms of getting lost, productivity impacts to
the field.maintain and retrieve paper records and the
Many factors may influence the successfulresulting negative patient care. (Carpenter, 2002).
implementation of EMR systems. AnEffective access to medical records has become
understanding of an EMR system's purpose,is another purpose of an EMR system. The ability
function and intended benefits help determine into access a record from remote locations is
part what influences the success or failure of animportant to ensure continuity of care (Research
EMR project along with awareness of mistakes innotes, 2006).
the past while leveraging integration best practicesThe intended effect of EMR systems on the
that may be unique to EMR implementations.healthcare landscape is wide-ranged depending on
Electronic Medical Record Systemsthe type of system and the environment in which
The collection of personal health data is describedit is being implemented. A group practice
to have many formats when speaking ofimplemented an EMR system to improve the
systems that manage it. An Electronic Medicalaccuracy of their claims and improve efficiency
Record is the collection of data that is central toand information flow (Sonnenberg,
the patient (Rishel, Handler, & Edwards,2007). Government entities such as the
2005). An EMR system exists to facilitate theDepartment of Veteran Affairs and the
storage, retrieval and continuity of the recordDepartment of Defense have larger goals of
itself (Gans, Kralewski, Hammons, & Dowd,integration and delivery of a common medical
2005). EMR systems vary in functionality.record and full digitization of clinical data that can
According to Gans et al., EMR systems typicallybe shared with branches of the military (Melvin,
have the following functions listed from most2007).
common to least common:The near term presents providers with realizing
- Patient Demographicsthe digitization of the boxes of paper that is
- Visit/encounter notesgenerated by patient encounters. These paper
- Patient medications/prescriptionsdatabases represent the clinical data that is
- Presenting complaintultimately needed to take EMR systems to the
- Physical exam/review of symptomsnext level. Clinical data is the baseline in which all
- Past medical historyhealthcare processes subscribe including decision
- Problem listssupport, health outcome analysis, billing and claims
- Procedure/operative notesprocessing and health maintenance.
- Laboratory resultsCorrelation and access to this data is what EMR
- Drug interaction warningssystems seek to facilitate (Handler & Hieb,
- Radiology/imaging results2007). With Clinical data as a basis, further
- Consult/reports from specialistsutilization of EMR systems can occur. EMR
- Referrals to specialistssystems, once materially implemented across the
- Drug reference informationhealthcare spectrum, will itself become the
- Immunization trackingframework in which more overarching goals can
- Drug formulariesbe accomplished, such as the centralization of a
- Clinical guidelines and protocolsperson's health history.
- Integration with practice billing systemGartner (Handler & Hieb, 2007) break down
Other functions may include a claims processingEMR system into generational phases of maturity
component that allows the coding and transmitting(summarized):
of clinical data to insurance companies to improvePhase 1 systems are designed to collect
the time and cost involved in dealing withencounter based information such as prevalent in
insurance carriers (Research Notes, 2006).a physician provider environment.
There are other names for EMR systems such asPhase 2 systems are designed to allow the
the Electronic Health Record (EHR), Personalupdating and entry of information at the point of
Health Record (PHR), Electronic Patient Recordcare. For example, a physician is making rounds at
(EPR) and Computerized Patient Record (CPR).a hospital and can update his EMR records
Confusion around the many terms as well asremotely rather than just access it.
what is represented by them impacts a provider'sPhase 3 systems are designed to support clinical
ability to strategically assess which system is bestepisodes where there are one or more
for them (Rishel et al., 2005). Still, there are someencounters that provide complete information on
subtle differences between each of the terms. Ana patient with system recommended treatment
EMR is typically generated by a physician'soptions provided by decisions support systems.
practice. An EPR or EHR is typically generatedPhase 3 attempts to provide basic level evidence
using multiple sources such as those sharedbased medicine implementation.
between a physician and a hospital. Finally, a PHRPhase 4 systems are designed to further enhance
is a collection of patient information that thethe integration of systems to provide all
patient themselves hold and share with providersstakeholders (physicians, nurses, pharmacists, etc.)
(Barlow, 2007).access to patient data and to help facilitate the
EMR systems can be a complex set of connectedcare process rather than just document it.
systems with significant data collection points or itPhase 5 are complex, fully integrated systems
can be a simple system that collects basic datathat provide solutions across the full spectrum of
needed to record and associate health informationcare. These systems provide both visual and data
with a specific patient (Rishel, 2007). An EMRdriven insight and suggested courses of action
system is a collection of information technologywhere appropriate. Knowledge management is
that perform the functions noted above byfully integrated into phase 5 systems to facilitate
leveraging databases for repositories of data ora more partner based approach to care.
aggregation points for summary data from otherThe iterative nature of EMR system provides a
systems (Rishel et al., 2005).baseline in which each generation can grow.
The result of multi-faceted interaction of patientHowever, very few EMR implementations
and the health care system is a distributed healthreviewed have been shown to reach much past
record that resides in as many locations as thethe first generation. Even those that are utilizing a
patient has seen physicians (Ewing, 2007). No onePhase 1 EMR system are about one in four
provider has a consistent and full picture of the(Murdock, 2007). As adoption continues to grow,
patient history or treatment. One of the primaryso will opportunities to further integrate with
benefits of the EMR system is to help eliminatedisparate systems and the development of
the disconnect and attempt to aggregate patientstandards for access to EMR data in a format
data as well as make it easier to share the datathat can be shared with both the consumer of
with other participating providers.services and the providers of care.
The patient's complex interaction with theThe next article(s) will delve into additional
healthcare system (Ewing, 2007) further reveals areference material and case studies related to
problematic approach to the purpose and theEMR Implementations.