Missed myocardial infarctions in ED patients prospectively categorized as low risk by established risk scores

Abstract Study o bjectives Few studies have prospectively compared multiple cardiac risk prediction scores. We compared the rate of missed acute myocardial infarction (AMI) in chest pain patients prospectively categorized as low risk by unstructured clinical impression, and by HEART, TIMI, GRACE, an...

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Veröffentlicht in:The American journal of emergency medicine 2017-05, Vol.35 (5), p.704-709
Hauptverfasser: Singer, A.J, Than, M.P, Smith, S, McCullough, P, Barrett, T.W, Birkhahn, R, Reed, M, Thode, H.C, Arnold, W.D, Daniels, L.B, de Filippi, C, Headden, G, Peacock, W.F
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container_end_page 709
container_issue 5
container_start_page 704
container_title The American journal of emergency medicine
container_volume 35
creator Singer, A.J
Than, M.P
Smith, S
McCullough, P
Barrett, T.W
Birkhahn, R
Reed, M
Thode, H.C
Arnold, W.D
Daniels, L.B
de Filippi, C
Headden, G
Peacock, W.F
description Abstract Study o bjectives Few studies have prospectively compared multiple cardiac risk prediction scores. We compared the rate of missed acute myocardial infarction (AMI) in chest pain patients prospectively categorized as low risk by unstructured clinical impression, and by HEART, TIMI, GRACE, and EDACS scores, in combination with two negative contemporary cardiac troponins (cTn) available in the U.S. Methods We enrolled 434 patients with chest pain presenting to one of seven emergency departments (ED). Risk scores were prospectively calculated and included the first two cTn. Low risk was defined for each score as HEART ≤ 3, TIMI ≤ 0, GRACE ≤ 50, and EDACS ≤ 15. AMI incidence was calculated for low risk patients and compared across scores using Χ2 tests and C statistics. Results The patients ' median age was 57, 58% were male, 60% white, and 80 (18%) had AMI. The missed AMI rate in low risk patients for each of the scores when combined with 2 cTn were HEART 3.6 %, TIMI 0%, GRACE 6.3%, EDACS 0.9%, and unstructured clinical impression 0%. The C-statistic was greatest for the EDACS score, 0.94 (95% CI, 0.92 – 0.97). Conclusions Using their recommended cutpoints and non high sensitivity cTn, TIMI and unstructured clinical impression were the only scores with no missed cases of AMI. Using lower cutpoints (GRACE ≤ 48, TIMI = 0, EDACS ≤ 11, HEART ≤ 2) missed no case of AMI, but classified less patients as low-risk.
doi_str_mv 10.1016/j.ajem.2017.01.003
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We compared the rate of missed acute myocardial infarction (AMI) in chest pain patients prospectively categorized as low risk by unstructured clinical impression, and by HEART, TIMI, GRACE, and EDACS scores, in combination with two negative contemporary cardiac troponins (cTn) available in the U.S. Methods We enrolled 434 patients with chest pain presenting to one of seven emergency departments (ED). Risk scores were prospectively calculated and included the first two cTn. Low risk was defined for each score as HEART ≤ 3, TIMI ≤ 0, GRACE ≤ 50, and EDACS ≤ 15. AMI incidence was calculated for low risk patients and compared across scores using Χ2 tests and C statistics. Results The patients ' median age was 57, 58% were male, 60% white, and 80 (18%) had AMI. The missed AMI rate in low risk patients for each of the scores when combined with 2 cTn were HEART 3.6 %, TIMI 0%, GRACE 6.3%, EDACS 0.9%, and unstructured clinical impression 0%. The C-statistic was greatest for the EDACS score, 0.94 (95% CI, 0.92 – 0.97). Conclusions Using their recommended cutpoints and non high sensitivity cTn, TIMI and unstructured clinical impression were the only scores with no missed cases of AMI. Using lower cutpoints (GRACE ≤ 48, TIMI = 0, EDACS ≤ 11, HEART ≤ 2) missed no case of AMI, but classified less patients as low-risk.</description><identifier>ISSN: 0735-6757</identifier><identifier>EISSN: 1532-8171</identifier><identifier>DOI: 10.1016/j.ajem.2017.01.003</identifier><identifier>PMID: 28108220</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Accuracy ; Acute coronary syndromes ; Angina pectoris ; Chest ; Chest Pain - blood ; Chest Pain - diagnosis ; Clinical medicine ; Decision Support Techniques ; Electrocardiography ; Electrocardiography - statistics &amp; numerical data ; Emergency ; Emergency medical care ; Emergency medical services ; Emergency Service, Hospital ; Female ; Finland ; Health risks ; Heart attacks ; Heart diseases ; Humans ; Incidence ; Ischemia ; Male ; Medical imaging ; Middle Aged ; Myocardial infarction ; Myocardial Infarction - blood ; Myocardial Infarction - diagnosis ; Pain ; Patients ; Physicians ; Population ; Predictive Value of Tests ; Prospective Studies ; Risk Assessment ; Risk groups ; Troponin - blood</subject><ispartof>The American journal of emergency medicine, 2017-05, Vol.35 (5), p.704-709</ispartof><rights>2017 Elsevier Inc.</rights><rights>Copyright © 2017 Elsevier Inc. All rights reserved.</rights><rights>Copyright Elsevier Limited 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-47407b7819207ce9d7abeda3f37aceb0c0b576cffd761d43a090ce6a98f777733</citedby><cites>FETCH-LOGICAL-c439t-47407b7819207ce9d7abeda3f37aceb0c0b576cffd761d43a090ce6a98f777733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0735675717300037$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28108220$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Singer, A.J</creatorcontrib><creatorcontrib>Than, M.P</creatorcontrib><creatorcontrib>Smith, S</creatorcontrib><creatorcontrib>McCullough, P</creatorcontrib><creatorcontrib>Barrett, T.W</creatorcontrib><creatorcontrib>Birkhahn, R</creatorcontrib><creatorcontrib>Reed, M</creatorcontrib><creatorcontrib>Thode, H.C</creatorcontrib><creatorcontrib>Arnold, W.D</creatorcontrib><creatorcontrib>Daniels, L.B</creatorcontrib><creatorcontrib>de Filippi, C</creatorcontrib><creatorcontrib>Headden, G</creatorcontrib><creatorcontrib>Peacock, W.F</creatorcontrib><title>Missed myocardial infarctions in ED patients prospectively categorized as low risk by established risk scores</title><title>The American journal of emergency medicine</title><addtitle>Am J Emerg Med</addtitle><description>Abstract Study o bjectives Few studies have prospectively compared multiple cardiac risk prediction scores. We compared the rate of missed acute myocardial infarction (AMI) in chest pain patients prospectively categorized as low risk by unstructured clinical impression, and by HEART, TIMI, GRACE, and EDACS scores, in combination with two negative contemporary cardiac troponins (cTn) available in the U.S. Methods We enrolled 434 patients with chest pain presenting to one of seven emergency departments (ED). Risk scores were prospectively calculated and included the first two cTn. Low risk was defined for each score as HEART ≤ 3, TIMI ≤ 0, GRACE ≤ 50, and EDACS ≤ 15. AMI incidence was calculated for low risk patients and compared across scores using Χ2 tests and C statistics. Results The patients ' median age was 57, 58% were male, 60% white, and 80 (18%) had AMI. The missed AMI rate in low risk patients for each of the scores when combined with 2 cTn were HEART 3.6 %, TIMI 0%, GRACE 6.3%, EDACS 0.9%, and unstructured clinical impression 0%. The C-statistic was greatest for the EDACS score, 0.94 (95% CI, 0.92 – 0.97). Conclusions Using their recommended cutpoints and non high sensitivity cTn, TIMI and unstructured clinical impression were the only scores with no missed cases of AMI. Using lower cutpoints (GRACE ≤ 48, TIMI = 0, EDACS ≤ 11, HEART ≤ 2) missed no case of AMI, but classified less patients as low-risk.</description><subject>Accuracy</subject><subject>Acute coronary syndromes</subject><subject>Angina pectoris</subject><subject>Chest</subject><subject>Chest Pain - blood</subject><subject>Chest Pain - diagnosis</subject><subject>Clinical medicine</subject><subject>Decision Support Techniques</subject><subject>Electrocardiography</subject><subject>Electrocardiography - statistics &amp; numerical data</subject><subject>Emergency</subject><subject>Emergency medical care</subject><subject>Emergency medical services</subject><subject>Emergency Service, Hospital</subject><subject>Female</subject><subject>Finland</subject><subject>Health risks</subject><subject>Heart attacks</subject><subject>Heart diseases</subject><subject>Humans</subject><subject>Incidence</subject><subject>Ischemia</subject><subject>Male</subject><subject>Medical imaging</subject><subject>Middle Aged</subject><subject>Myocardial infarction</subject><subject>Myocardial Infarction - blood</subject><subject>Myocardial Infarction - diagnosis</subject><subject>Pain</subject><subject>Patients</subject><subject>Physicians</subject><subject>Population</subject><subject>Predictive Value of Tests</subject><subject>Prospective Studies</subject><subject>Risk Assessment</subject><subject>Risk groups</subject><subject>Troponin - blood</subject><issn>0735-6757</issn><issn>1532-8171</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9Uk1v1TAQtBCIvhb-AAdkiQuXhN04iRMJIaHSAlIRB-BsOc4GnObj4c0rCr8eh1dA6gEfbMs7M1rPrBBPEFIELF_0qe1pTDNAnQKmAOqe2GGhsqRCjffFDrQqklIX-kScMvcAiHmRPxQnWYVQZRnsxPjBM1Mrx3V2NrTeDtJPnQ1u8fPE8S4v3si9XTxNC8t9mHlPsXZDwyqdXejrHPzPyLcsh_mHDJ6vZbNK4sU2g-dvsfT7jd0ciB-JB50dmB7fnmfiy-XF5_N3ydXHt-_PX18lLlf1kuQ6B93oCusMtKO61bah1qpOaeuoAQdNoUvXda0usc2VhRoclbauOh2XUmfi-VE3Nvz9EJsxo2dHw2Anmg9ssCqxqHSWVxH67A60nw9hit0ZrCHL67hhRGVHlIsOcKDO7IMfbVgNgtnCML3ZwjBbGAbQxDAi6emt9KEZqf1L-eN-BLw8Aih6ceMpGHbRaEetD9Fl087-__qv7tDd4Cfv7HBNK_G_fxjODJhP2zhs04BaQeRr9QucibDB</recordid><startdate>20170501</startdate><enddate>20170501</enddate><creator>Singer, A.J</creator><creator>Than, M.P</creator><creator>Smith, S</creator><creator>McCullough, P</creator><creator>Barrett, T.W</creator><creator>Birkhahn, R</creator><creator>Reed, M</creator><creator>Thode, H.C</creator><creator>Arnold, W.D</creator><creator>Daniels, L.B</creator><creator>de Filippi, C</creator><creator>Headden, G</creator><creator>Peacock, W.F</creator><general>Elsevier Inc</general><general>Elsevier Limited</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7T5</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20170501</creationdate><title>Missed myocardial infarctions in ED patients prospectively categorized as low risk by established risk scores</title><author>Singer, A.J ; 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We compared the rate of missed acute myocardial infarction (AMI) in chest pain patients prospectively categorized as low risk by unstructured clinical impression, and by HEART, TIMI, GRACE, and EDACS scores, in combination with two negative contemporary cardiac troponins (cTn) available in the U.S. Methods We enrolled 434 patients with chest pain presenting to one of seven emergency departments (ED). Risk scores were prospectively calculated and included the first two cTn. Low risk was defined for each score as HEART ≤ 3, TIMI ≤ 0, GRACE ≤ 50, and EDACS ≤ 15. AMI incidence was calculated for low risk patients and compared across scores using Χ2 tests and C statistics. Results The patients ' median age was 57, 58% were male, 60% white, and 80 (18%) had AMI. The missed AMI rate in low risk patients for each of the scores when combined with 2 cTn were HEART 3.6 %, TIMI 0%, GRACE 6.3%, EDACS 0.9%, and unstructured clinical impression 0%. The C-statistic was greatest for the EDACS score, 0.94 (95% CI, 0.92 – 0.97). Conclusions Using their recommended cutpoints and non high sensitivity cTn, TIMI and unstructured clinical impression were the only scores with no missed cases of AMI. Using lower cutpoints (GRACE ≤ 48, TIMI = 0, EDACS ≤ 11, HEART ≤ 2) missed no case of AMI, but classified less patients as low-risk.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>28108220</pmid><doi>10.1016/j.ajem.2017.01.003</doi><tpages>6</tpages></addata></record>
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subjects Accuracy
Acute coronary syndromes
Angina pectoris
Chest
Chest Pain - blood
Chest Pain - diagnosis
Clinical medicine
Decision Support Techniques
Electrocardiography
Electrocardiography - statistics & numerical data
Emergency
Emergency medical care
Emergency medical services
Emergency Service, Hospital
Female
Finland
Health risks
Heart attacks
Heart diseases
Humans
Incidence
Ischemia
Male
Medical imaging
Middle Aged
Myocardial infarction
Myocardial Infarction - blood
Myocardial Infarction - diagnosis
Pain
Patients
Physicians
Population
Predictive Value of Tests
Prospective Studies
Risk Assessment
Risk groups
Troponin - blood
title Missed myocardial infarctions in ED patients prospectively categorized as low risk by established risk scores
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