The identification of risk factors for cardiac arrest and formulation of activation criteria to alert a medical emergency team

Resuscitation ◽  
2002 ◽  
Vol 54 (2) ◽  
pp. 125-131 ◽  
Author(s):  
Timothy J. Hodgetts ◽  
Gary Kenward ◽  
Ioannis G. Vlachonikolis ◽  
Susan Payne ◽  
Nicolas Castle
2018 ◽  
Vol 42 (4) ◽  
pp. 412 ◽  
Author(s):  
Julie Considine ◽  
Anastasia F. Hutchison ◽  
Helen Rawson ◽  
Alison M. Hutchinson ◽  
Tracey Bucknall ◽  
...  

Objectives The aim of the present study was to describe and compare organisational guidance documents related to recognising and responding to clinical deterioration across five health services in Victoria, Australia. Methods Guidance documents were obtained from five health services, comprising 13 acute care hospitals, eight subacute care hospitals and approximately 5500 beds. Analysis was guided by a specific policy analysis framework and a priori themes. Results In all, 22 guidance documents and five graphic observation and response charts were reviewed. Variation was observed in terminology, content and recommendations between the health services. Most health services’ definitions of physiological observations fulfilled national standards in terms of minimum parameters and frequency of assessment. All health services had three-tier rapid response systems (RRS) in place at both acute and subacute care sites, consisting of activation criteria and an expected response. RRS activation criteria varied between sites, with all sites requiring modifications to RRS activation criteria to be made by medical staff. All sites had processes for patient and family escalation of care. Conclusions Current guidance documents related to the frequency of observations and escalation of care omit the vital role of nurses in these processes. Inconsistencies between health services may lead to confusion in a mobile workforce and may reduce system dependability. What is known about the topic? Recognising and responding to clinical deterioration is a major patient safety priority. To comply with national standards, health services must have systems in place for recognising and responding to clinical deterioration. What does this paper add? There is some variability in terminology, definitions and specifications of physiological observations and medical emergency team (MET) activation criteria between health services. Although nurses are largely responsible for physiological observations and escalation of care, they have little authority to direct frequency of observations and triggers for care escalation or tailor assessment to individual patient needs. Failure to identify nurses’ role in policy is concerning and contrary to the evidence regarding nurses and MET activations in practice. What are the implications for practitioners? Inconsistencies in recommendations regarding physiological observations and escalation of care criteria may create patient safety issues when students and staff work across organisations or move from one organisation to another. The validity of other parameters, such as appearance, pain, skin colour and cognition, warrant further consideration as early indicators of deterioration that may be used by nurses to identify clinical deterioration earlier. A better understanding of the relationship between the sensitivity, specificity and frequency of monitoring of particular physiological observations and patient outcomes is needed to improve the predictive validity for identification of clinical deterioration.


Resuscitation ◽  
2007 ◽  
Vol 73 (1) ◽  
pp. 62-72 ◽  
Author(s):  
Michelle Cretikos ◽  
Jack Chen ◽  
Ken Hillman ◽  
Rinaldo Bellomo ◽  
Simon Finfer ◽  
...  

2014 ◽  
Vol 142 (3-4) ◽  
pp. 170-177
Author(s):  
Sladjana Trpkovic ◽  
Aleksandar Pavlovic ◽  
Vesna Bumbasirevic ◽  
Ana Sekulic ◽  
Biljana Milicic

Introduction. In relation to pre-hospital treatment of patients with cardiac arrest (CA) in the field where resuscitation is often started by nonprofessionals, resuscitation in hospital is most commonly performed by well-trained personnel. Objective. The aim was to define the factors associated with an improved outcome among patients suffering from the inhospital CA (IHCA). Methods. The prospective study included a total of 100 patients in the Emergency Center over two-year period. The patterns by the Utstein-Style guidelines recorded the following: age, sex, reason for hospital admission, comorbidity, cause and origin of CA, continuous monitoring, time of arrival of the medical emergency team and time of delivery of the first defibrillation shock (DC). Results. Most patients (61%) had cardiac etiology. Return of spontaneous circulation (ROSC) was achieved in 58% of patients. ROSC was more frequently achieved in younger patients (57.69?11.37), (p<0.05), non-surgical patients (76.1%), (p<0.01) and in patients who were in continuous monitoring (66.7%) (p<0.05). The outcome of CPR was significantly better in patients who received advanced life support (ALS) (76.6%) (p<0.01). Time until the delivery of the first DC shock was significantly shorter in patients who achieved ROSC (1.67?1.13 min), (p<0.01). A total of 5% of IHCA patients survived to hospital discharge. Conclusion. In our study, the outcome of CPR was better in patients who were younger and with non-surgical diseases, which are prognostic factors that we cannot control. Factors associated with better outcome of IHCA patients were: continuous monitoring, shorter time until the delivery of the first DC and ALS. This means that better education of medical staff, better organization and up-to-dated technical equipment are needed.


Author(s):  
Natalie Jayaram ◽  
Maya L Chan ◽  
Fengming Tang ◽  
Paul S Chan

Background: Prior studies of Medical Emergency Teams (METs) in pediatric hospitals have shown inconsistent results in terms of their ability to improve outcomes. Whether the variable success is due to differential utilization of METs among hospitals is unknown. Methods: Within the Get With The Guidelines-Resuscitation Registry (GWTG-R), we identified children (age <18 years) with an in-hospital cardiac arrest (IHCA) on the general inpatient or telemetry floors from 2007 to 2014. In cases of IHCA where MET evaluation did not occur, we examined the frequency of “missed” opportunities for activation of the MET based upon the presence of one or more abnormal vital signs. We also examined the variability in utilization of the MET among those hospitals with at least ten cases of IHCA. Results: Of 215 children from 23 hospitals sustaining an IHCA, 48 (22.3%) had a preceding MET evaluation. Children with MET evaluation prior to IHCA were older (6.8 ± 6.5 vs. 3.1 ± 4.7, p < 0.001) and were more likely to have metabolic/electrolyte abnormalities (9/48 [18.8%] vs. 9/167 [5.4%], p=0.006), sepsis (8/48 [16.7%] vs. 8/167 [4.8%], p=0.01), or malignancy (11/48 [22.9%] vs. 9/167 [5.4%], p<0.001) at the time of their IHCA. Hospital utilization of the MET varied substantially (median 20%; inter-quartile range [IQR]: 3.4%-29.8%; range: 0%-36.4%). Among patients who did not have a MET called prior to their IHCA, 78/141 (55.3%) had at least one abnormal vital sign that should have triggered a MET. Conclusion: In a large, national registry, we found that the majority of pediatric IHCA cases are not preceded by a MET evaluation despite meeting criteria that should have triggered a MET. Improved utilization of the MET by all hospitals could lead to fewer pediatric IHCA and improved outcomes following pediatric IHCA.


2009 ◽  
Vol 75 (9) ◽  
pp. 834-838 ◽  
Author(s):  
Christopher W. Snyder ◽  
Roshan D. Patel ◽  
Emily P. Roberson ◽  
Mary T. Hawn

Unplanned intubation after surgery is a marker for severe adverse events. We investigated the incidence, risk factors, and prognosis of unplanned intubation after general and vascular surgery and sought to determine whether the deployment of a hospital-wide medical emergency team (MET) had a preventive effect. We included all patients undergoing general and vascular surgical procedures between April 1, 2006, and June 30, 2008, from our American College of Surgeons National Surgical Quality Improvement Program data. Risk factors and incidence rates of unplanned intubation were compared before (preMET) and after (postMET) June 7, 2007. Chart review identified case details and fatality rates. There were 2426 patients included (1815 preMET, 611 postMET). The overall incidence of unplanned intubation was 2.6 per cent; significant risk factors included chronic obstructive pulmonary disease, dependent functional status, and emergent operation. Most (84%) unplanned intubations occurred in a critical care setting and the most common underlying reason was sepsis (40%). The overall case fatality rate was 43 per cent but varied significantly depending on the underlying reason for unplanned intubation. Incidence rates of unplanned intubation did not change significantly after MET deployment, suggesting that other strategies are needed to prevent this rare but highly morbid and mortal event.


2019 ◽  
Vol 43 (2) ◽  
pp. 178
Author(s):  
The Concord Medical Emergency Team Study Investigators

Objectives The aim of the present study was to determine whether changing a hospital rapid response system (RRS) from a two-tiered to a three-tiered model can reduce disruption to normal hospital routines while maintaining the same overall patient outcomes. Methods Staff at an Australian teaching hospital attending medical emergency team and cardiac arrest (MET/CA) calls were interviewed after the RRS was changed from a two-tiered to three-tiered model, and the results were compared with a study using the same methods conducted before the change. The main outcome measures were changes in: (1) the incident rate resulting from staff leaving normal duties to attend MET/CA calls; (2) the cardiac arrest rate, (3) unplanned intensive care unit (ICU) admission rates; and (4) hospital mortality. Results We completed 1337 structured interviews (overall response rate 65.2%). The rate of incidents occurring as a result of staff leaving normal duties to attend MET/CA calls fell from 213.7 to 161.3 incidents per 1000 MET/CA call participant attendances (P&lt;0.001), but the rate of cardiac arrest and unplanned ICU admissions did not change significantly. Hospital mortality was confounded by the opening of a new palliative care ward. Conclusion A three-tiered RRS may reduce disruption to normal hospital routines while maintaining the same overall patient outcomes. What is known about the topic? RRS calls result in significant disruption to normal hospital routines because staff can be called away from normal duties to attend. The best staffing model for an RRS is currently unknown. What does this paper add? The present study demonstrates, for the first time, that changing a hospital RRS from a two-tiered to a three-tiered model can reduce the rate of incidents reported by staff caused by leaving normal duties to attend RRS calls while maintaining the same overall patient outcomes. What are the implications for practitioners? Hospitals could potentially reduce disruption to normal hospital routines, without compromising patient care, by changing to a three-tiered RRS.


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