Evidence map›Paper›PMID 36416876›Full record

ArticleJournal of medical Internet research2022

Optimizing an Emergency Medical Dispatch System to Improve Prehospital Diagnosis and Treatment of Acute Coronary Syndrome: Nationwide Retrospective Study in China.

Xuejie Dong, Fang Ding, Shuduo Zhou, Junxiong Ma, Na Li, Mailikezhati Maimaitiming, Yawei Xu, Zhigang Guo, Shaobin Jia, Chunjie Li and 8 more

Abstract read
In one paragraph

Article in Journal of medical Internet research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  8. Observational
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

18 authors.

Xuejie DongDepartment of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0003-0575-1287
Fang DingEmergency Medical Dispatcher Industries, Beijing, China.ORCID 0000-0002-2495-4904
Shuduo ZhouDepartment of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0002-5463-3116
Junxiong MaDepartment of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0002-0526-713X
Na LiDepartment of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0003-2534-5876
Mailikezhati MaimaitimingDepartment of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0002-6559-0211
Yawei XuDepartment of Cardiology, Shanghai Tenth People's Hospital, Shanghai, China.ORCID 0000-0002-3368-6518
Zhigang GuoDepartment of Cardiology Surgery, Tianjin Chest Hospital, Tianjin, China.ORCID 0000-0003-0544-5626
Shaobin JiaDepartment of Cardiology, General Hospital of Ningxia Medical University, Ningxia, China.ORCID 0000-0002-8545-1067
Chunjie LiDepartment of Cardiology Surgery, Tianjin Chest Hospital, Tianjin, China.ORCID 0000-0002-4988-6207
Suxin LuoDepartment of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.ORCID 0000-0003-4011-1146
Huiping BianDepartment of Cardiology, Qinghai Province Cardio-cerebrovascular Disease Specialist Hospital, Xining, China.ORCID 0000-0002-0412-1542
Gesang LuobuDepartment of Cardiology, Tibet Autonomous Region People's Hospital, Lasa, China.ORCID 0000-0003-0338-556X
Zuyi YuanDepartment of Cardiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.ORCID 0000-0002-1410-1502
Hong ShiChinese Medical Association, Beijing, China.ORCID 0000-0002-0926-9183
Zhi-Jie ZhengDepartment of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0002-0233-5010
Yinzi Jin *Department of Global Health, School of Public Health, Peking University, Beijing, China.ORCID 0000-0003-0634-3955
Yong Huo *Department of Cardiology, Peking University First Hospital, Beijing, China.ORCID 0000-0002-5407-8773

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAcute coronary syndrome (ACS) is the most time-sensitive acute cardiac event that requires rapid dispatching and response. The medical priority dispatch system (MPDS), one of the most extensively used types of emergency dispatch systems, is hypothesized to provide better-quality prehospital emergency treatment. However, few studies have revealed the impact of MPDS use on the process of ACS care.

objectiveThis study aimed to investigate whether the use of MPDS was associated with higher prehospital diagnosis accuracy and shorter prehospital delay for patients with ACS transferred by an emergency medical service (EMS), using a national database in China.

methodsThis retrospective analysis was based on an integrated database of China's MPDS and hospital registry. From January 1, 2016, to December 31, 2020, EMS-treated ACS cases were divided into before MPDS and after MPDS groups in accordance with the MPDS launch time at each EMS center. The primary outcomes included diagnosis consistency between hospital admission and discharge, and prehospital delay. Multivariable logistic regression and propensity score-matching analysis were performed to compare outcomes between the 2 groups for total ACS and subtypes.

resultsA total of 9806 ACS cases (3561 before MPDS and 6245 after MPDS) treated by 43 EMS centers were included. The overall diagnosis consistency of the after MPDS group (Cohen κ=0.918, P<.001) was higher than that of the before MPDS group (Cohen κ=0.889, P<.001). After the use of the MPDS, the call-to-EMS arrival time was shortened in the matched ACS cases (20.0 vs 16.0 min, P<.001; adjusted difference: -1.67, 95% CI -2.33 to -1.02; P<.001) and in the subtype of ST-elevation myocardial infarction (adjusted difference: -3.81, 95% CI -4.63 to -2.98, P<.001), while the EMS arrival-to-door time (20.0 vs 20.0 min, P=.31) was not significantly different in all ACS cases and subtypes.

conclusionsThe optimized use of MPDS in China was associated with increased diagnosis consistency and a reduced call-to-EMS arrival time among EMS-treated patients with ACS. An emergency medical dispatch system should be designed specifically to fit into different prehospital modes in the EMS system on a regional basis.

Indexed as

Acute Coronary SyndromeEmergency Medical DispatchEmergency Medical ServicesChinaHumansRetrospective Studiesacute coronary syndromecardiologycardiovascularcoronaryemergency medical servicehealth carehealthcarehealth servicemedical priority dispatch systemprehospital care

Identifiers

PMID36416876
PMCPMC9730207

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.