Comparison of Medical Priority Dispatch (MPD) and Criteria Based Dispatch (CBD) relating to cardiac arrest calls

Hardeland, Camilla; Olasveengen, Theresa M.; Lawrence, Rob; Garrison, Danny; Lorem, Tonje; Farstad, Gunnar; Wik, L.

doi:10.1016/j.resuscitation.2014.01.029

Cited by 51 publications

(55 citation statements)

References 63 publications

(73 reference statements)

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“…11 The median time to recognize OHCA was 60 s, and the median time to start DA-CPR was 220 s. Our results are within the range of previously published results. In dispatch centers using the Medical Priority Dispatch (MPD) system, the proportion of recognized OHCA was between 79 and 92%, with a median time from the call to the OHCA recognition ranging from 69 to 219 s, and the median time from the call to the initiation of DA-CPR from 176 to 285 s. 7,8,[12][13][14] In a recent study with MPD, 28 of the 176 s of delay in provision of the first DA-CPR were attributed to the dispatchers asking needless questions, suggesting a potential for better training of dispatchers to shorten their interviews when using this system. 8 In one dispatch center using a CBD system, OHCA was recognized in 77% of the cases, with a median time from the call to the OHCA recognition of 102 s and a median time from the call to the initiation of DA-CPR at 222 s. 12 Compared to other settings, the EMS travel time to the patient was longer, probably due to the mountainous geography of our state.…”

Section: Resultsmentioning

confidence: 99%

Time to identify cardiac arrest and provide dispatch-assisted cardio-pulmonary resuscitation in a criteria-based dispatch system

et al. 2015

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Section: Resultsmentioning

confidence: 99%

Time to identify cardiac arrest and provide dispatch-assisted cardio-pulmonary resuscitation in a criteria-based dispatch system

et al. 2015

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“…Diversos estudos demonstram a eficiência do MPDS na detecção de PCR (21)(22)(23)(24)(25) . O protocolo utilizado garante que, diante de uma demanda volumosa, seja possível detectar e responder rapidamente a esse tipo de solicitação.…”

Section: Discussionunclassified

Processo De Priorização De Ocorrências No Serviço De Atendimento Móvel De Urgência

Fernandes¹,

Tanaka²

2018

Rev. baiana enferm.

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<p>Objetivo: identificar características das ocorrências priorizadas pela Central de Regulação do Serviço de Atendimento Móvel de Urgência de uma grande metrópole e compreender quais fatores influenciam os médicos reguladores no processo de priorização de despacho de ambulância. Método: estudo retrospectivo com métodos mistos, entre 2012 e 2014. As variáveis despacho e tempo de regulação foram investigadas. As entrevistas realizadas foram submetidas à análise de conteúdo. Resultados: a demanda é majoritariamente clínica, classificada com Determinantes de alta prioridade e prioritariamente dos serviços de segurança pública. O tempo resposta é inversamente proporcional à prioridade. Médicos priorizam casos com: risco de morte; deterioração clínica; necessidade de transporte; vulnerabilidade associada à idade e violência. Conclusão: condições clínicas, vulnerabilidade e risco determinam o tipo de atendimentos e o tempo de resposta. Diante de um cenário de poucos recursos, a atuação dos médicos reguladores no processo de priorização visa adequar a demanda à oferta disponível.<br />Descritores: Centro de operações de emergência. Emergências. Serviços médicos de emergência. Ambulâncias.</p>

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“…Moreover first-aid guidance by telephone is time consuming, and a wholly scripted approach where all first aid measures were instructed is not likely to be effective. Indeed, comparison between a system strictly scripted EMCC guidance and a system where more decisions are left to the dispatchers’ discretion showed that CPR-instructions where offered faster and more frequently in the latter [6]. …”

Section: Discussionmentioning

confidence: 99%

“…Norwegian EMCC operators use a criteria-based dispatch (CBD) system (Index) suggesting appropriate first-aid measures based on caller descriptions of signs and symptoms at the operator’s discretion [6]. We compared the performance of this use of the dispatch system to performance if the Index had been used as a strict algorithm.…”

Section: Methodsmentioning

confidence: 99%

Effect and accuracy of emergency dispatch telephone guidance to bystanders in trauma: post-hoc analysis of a prospective observational study

Bakke

Steinvik

Ruud

et al. 2017

Scand J Trauma Resusc Emerg Med

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BackgroundEmergency medical communication centres (EMCCs) dispatch and allocate ambulance resources, and provide first-aid guidance to on-scene bystanders. We aimed to 1) evaluate whether dispatcher guidance improved bystander first aid in trauma, and 2) to evaluate whether dispatchers and on-scene emergency medical services (EMS) crews identified the same first aid measures as indicated.MethodsFor 18 months, the crew on the first EMS crew responding to trauma calls used a standard form to assess bystander first aid. Audio recordings of the corresponding telephone calls from bystanders to the EMCC were reviewed.ResultsA total of 311 trauma calls were included. The on-scene EMS crew identified needs for the following first-aid measures: free airway in 26 patients, CPR in 6 patients, and hypothermia prevention in 179 patients. EMCC dispatchers advised these measures, respectively, in 16 (62%), 5 (83%), and 54 (30%) of these cases. Dispatcher guidance was not correlated with correctly performed bystander first aid. For potentially life saving first aid measures, all (20/20) callers who received dispatcher guidance attempted first aid, while only some few (4/22) of the callers who did not receive dispatcher guidance did not attempt first aid.DiscussionOverall, the EMCC dispatchers had low sensitivity and specificity for correctly identifying trauma patients requiring first-aid measures. Dispatcher guidance did not significantly influence whether on-scene bystander first aid was performed correctly or attempted in this study setting, with a remarkably high willingness to perform first-aid. However, the findings for potentially lifesaving measures suggests that there may be differences that this study was unable to detect.ConclusionThis study found a high rate of first-aid willingness and performance, even without dispatcher prompting, and a low precision in dispatcher advice. This underlines the need for further knowledge about how to increase EMCC dispatchers’ possibility to identify trauma patients in need of first aid. The correlation between EMCC-guidance and bystander first aid should be investigated in study settings with lower spontaneous first-aid rates.

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Comparison of Medical Priority Dispatch (MPD) and Criteria Based Dispatch (CBD) relating to cardiac arrest calls

Abstract: Pre-arrival CPR instructions were offered faster and more frequently in the CBD system, but in both systems chest compressions were delayed 3-4min. Earlier recognition of cardiac arrest and improved CPR instructions may facilitate earlier lay rescuer CPR.

Cited by 51 publications

References 63 publications

Time to identify cardiac arrest and provide dispatch-assisted cardio-pulmonary resuscitation in a criteria-based dispatch system

Time to identify cardiac arrest and provide dispatch-assisted cardio-pulmonary resuscitation in a criteria-based dispatch system

Processo De Priorização De Ocorrências No Serviço De Atendimento Móvel De Urgência

Effect and accuracy of emergency dispatch telephone guidance to bystanders in trauma: post-hoc analysis of a prospective observational study

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