Situational Awareness for Novel Epidemic Response
0.1.0 - STU Ballot
Situational Awareness for Novel Epidemic Response
0.1.0 - STU Ballot
This page is part of the Situational Awareness for Novel Epidemic Response (v0.1.0: STU 1 Ballot 1) based on FHIR R4. The current version which supercedes this version is 1.0.0. For a full list of available versions, see the Directory of published versions 
Resource utilization data can be provided from a number of sources:
Systems in this category have access to some or all of the health records (problems, medications, lab results, procedures, etc) for a patient, and so can often provide information indicating COVID-19 positive or suspected patients, as well as associated problems, patient demographics, and patient acuity (severity of illness) data.
These systems are often used to place or discontinue orders that involve medical equipment or diagnostics (ventilators, viral tests), and so may be used to determine in use (in the case of ventilators) or consumed (in the case of test kits) equipment or supplies. Some orders might also indicate use of special equipment (e.g., isolation rooms).
Comprehensive Hospital EHR solutions may include the capabilities of the other systems listed above, or may be integrated with other systems but not have direct access to all data available to the other systems. Even when those capabilities are available in the comprehensive EHR solution, other solutions may still be chosen by the facility for a variety of reasons (features, cost, legacy, et cetera).
An EHR may have access to beds in use (because it has access to the active patient census), but may not be able to report status of beds as known by the bed management or housekeeping system (e.g., beds available for use, beds needing cleaning, beds taken out of or added into service, et cetera).
An EHR may also be able to make an educated guess about number of ventilators in use based on the number of orders for ventilation on the patients it knows about, and the current status of the order. But it may not ever know if the ventilator actually showed up.
Departmental systems are specialized “EHR” systems facilitating the operations of a departmental setting. Several departmental systems are described in more detail in subsections below.
Emergency department systems are simply specialized EHR systems that facilitate patient care in an emergency room setting. They may also support or be integrated with central monitoring solutions enabling ED staff to monitor the status of patients on monitoring equipment.
Labor and Delivery systems are another form of specialized EHR system that facilitate treatment of mothers about to give birth in the hospital. They generally support the ongoing monitoring of the pregnant mother, and integrate with specialized equipment used to support newborn delivery (e.g., fetal heart rate monitors, infusion pumps used for anesthesia, et cetera), as well as routine charting while a mother is still in labor but not yet ready to deliver.
These systems bring real-time data from the EHR together with a variety of monitoring and treatment equipment, often to provide clinical decision support for patients needing intensive ongoing treatment and monitoring. As a result, these systems have awareness of the use of medical equipment (e.g., ventilators), patient acuity, disease progression, as well as the in-use status of ICU beds, and perhaps the total bed capacity of an ICU (but not necessarily the availability).
These systems are used to track and control incoming laboratory orders, to manage laboratory automation equipment, and to manage outgoing reports on orders. They have some access to patient clinical and demographic data, usually enough to facilitate the interpretation of the laboratory test, but may not have access to more data. Some data available in an LIS might be used to assess patient acuity, but the EHR would be a better source of this assessment.
An LIS may also be connected to external public health reporting systems to support biosurveillance efforts (tracking of disease in populations). Just the placement of certain kinds of laboratory orders may be used as a trigger to initiate alerting to public health (e.g., highly contagious disease such as COVID-19, Ebola or Zika, or a condition which may indicate a high risk situation in the community such as food poisoning).
Past biosurveillance efforts have not generally considered the impact of disease (such as COVID) on available beds, but the impact of COVID on hospital bed capacity has now made this a significant consideration. Some organizations do use data from internal laboratory information systems to track the prevalence, type and locations associated healthcare acquired infections (HAI) (e.g., due to antibiotic resistant strains of bacteria), in order to provide appropriate treatment and infection mitigation precautions.
Within an imaging center or department, the PACS provides storage for images generated from various imaging procedures (CT, MRI, Ultrasound, X-Ray, et cetera) and in some solutions, the diagnostic reports (structured or unstructured) that are generated based on those images.
These systems will generally be aware of the types of imaging studies performed, the patients on whose behalf these studies were performed, the dates and times of the procedure, and possibly the results (in structured reports) of the study.
These RIS is a departmental systems used in imaging centers or departments to manage the imaging workflow in the department. The RIS provide a means by which imaging procedures are scheduled and coordinated across the necessary equipment, personnel (e.g., imaging technicians, reading radiologists), and patients, and through which orders are received, and results transmitted back to ordering providers.
These systems will generally be aware of the procedures being requested, the results of those procedures, the dates and times of those procedures, and the number and types of procedures performed on behalf of different parties (e.g., ordering physicians and organizations).
Care Management Systems support referral and transition between the hospital and follow-up care environments (e.g., post-acute care, rehabilitation referrals), or referrals to other types of care (tertiary care from ED, referral to behavioral health, etc). These are often used to support discharge/transfer planning, and may also involve coordination with payers to ensure treatment will be covered at the referred to facility.
Command and Control Systems are used to provide a view throughout a facility of the overall operations, including patient flow, transfers, ED, et cetera, allowing a facility to understand its current load, forcast capacity demand, and manage logistics. See Operational Command Centers for more details.
Hospitals (especially those affiliated with academic medical centers) utilized CDRs for long term storage of clinical data to support analysis, research, measurement and quality improvement efforts.
CDRs may have information about the long term impacts of disease, treatment procedures and other factors on hospital operations might be used to aid research, but do not generally have real-time data that could support utilization reporting. Some of the data in a CDR might show impacts of high utilization on hospital operations, which could aid in identifying and addressing long term monitoring efforts.
These systems maintain data used for billing, often gathered after treatment has been completed. This includes diagnoses, procedures, and other aspects of treatment for which some form of payment or compensation or reporting is performed.
Systems in this category do not generally have access to detailed health records for a patient, but may have information about the status of hospital equipment and supplies, or generalized information about a patient or group of patients.
Security infrastructure systems are relied upon by many software components within a hospital, and are potentially able to deliver information about who is actively using hospital resources (e.g., logged into the EHR or other information system), or which patient records are currently being accessed.
The Master Patient Index (MPI) is used by health systems to coordinate patient identities across multiple information systems. It generally has information Since many systems within a hospital rely on an MPI, it is often the first system to become aware of activity for any given patient.
The MPI will generally have information about a patient including demographics, place of residence, place of employment, insurers, and potentially other providers and/or sources of information available that are associated with a given individual.
Bed Management systems are designed specifically to keep track of the status of beds as it impacts the operations of the housekeeping in a facility. After a patient is discharged, the bed and room in which they resided need to be cleaned, special precautions may be needed when rooms have been contaminated (exposed to blood, or infectious organism), et cetera. These systems may also have operational data about ongoing bed turnaround time (e.g., from unoccupied to available for use) which can also impact availability.
In smaller hospitals, the classic method of bed management is a bed board, which can be as simple as a whiteboard with a table drawn on it, with room numbers, more complex systems might use a magnetic board with pretty colored magnets. Modern bed boards get really fancy, with ward layouts and color codes, and all sorts of bells and whistles and reports and graphs.
Asset management systems usually involve solutions that enable a facility to manage equipment inventory, tags that can be attached to equipment for tracking, and sensors that can detect nearby tags deployed in the hospital environment. Sensors typically need to be connected in some way to the hospital network, and the tags need to be able to operate in a radio-frequency and sound and barrier rich environment. This is combined with mapping software which can plot the location of a device in a facility (in 3 dimensions).
A typical small hospital might have 10 ICU beds. With an average ventilator utilization ranging somewhere between 15-45% (see https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3840149/), a facility could reasonably get by with a half dozen or so ventilators for the ICU. Under normal circumstances, such a small number would be reasonably managed with manual processes, and for that reason, many facilities may not use asset management systems to track ventilator locations.
In certain crises, the availability of an open OR for a patient needing immediate emergency surgery would be a critical piece of facility resource utilization data. Operating rooms use a variety of complex, expensive medical equipment and resources. Hospitals that want to optimize use of these spaces and equipment will use information systems designed to ensure greater utilization of available capacity. These systems will be aware of the availability of operating room schedules and equipment needs.
Workforce Management (a.k.a., Staff scheduling) in a hospital is an ongoing effort of looking at current patient load, forecast load, existing staff schedules and available surge staffing resources. Again, in smaller facilities, much of the essential management might be done through human effort, and on a whiteboard. In larger facilities, software might be used to address optimization of schedules, improving staff utilization.
Inventory control systems are used to track expendable supplies, and manage replenishment and distribution across the facility. These systems may have information about available supplies such as surgical and N95 masks and personal protective equipment (PPE) that is frequently replaced. But these systems don’t always automate the counting process that is often needed to track current inventory levels for this kind of equipment.
IG © 2020+ HL7 International Public Health Workgroup. Package hl7.fhir.uv.saner#0.1.0 based on FHIR 4.0.1. Generated 2020-10-19
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