Immediate Rule-Out of Acute Myocardial Infarction Using Electrocardiogram and Baseline High-Sensitivity Troponin I

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Immediate Rule-Out of Acute Myocardial Infarction Using Electrocardiogram and Baseline High-Sensitivity Troponin I. / Neumann, Johannes Tobias; Sörensen, Nils Arne; Ojeda, Francisco; Schwemer, Tjark; Lehmacher, Jonas; Gönner, Saskia; Jarsetz, Nikolas; Keller, Till; Schaefer, Sarina; Renné, Thomas; Landmesser, Ulf; Clemmensen, Peter; Makarova, Nataliya; Schnabel, Renate B; Zeller, Tanja; Karakas, Mahir; Pickering, John W; Than, Martin; Parsonage, William; Greenslade, Jaimi; Cullen, Louise; Westermann, Dirk; Blankenberg, Stefan.

in: CLIN CHEM, Jahrgang 63, Nr. 1, 01.2017, S. 394-402.

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@article{0fb52d5649734676b1ca229f8ef92633,
title = "Immediate Rule-Out of Acute Myocardial Infarction Using Electrocardiogram and Baseline High-Sensitivity Troponin I",
abstract = "AIMS: Serial measurements of high-sensitivity troponin are used to rule out acute myocardial infarction (AMI) with an assay specific cutoff at the 99th percentile. Here, we evaluated the performance of a single admission troponin with a lower cutoff combined with a low risk electrocardiogram (ECG) to rule out AMI.METHODS: Troponin I measured with a high-sensitivity assay (hs-TnI) was determined at admission in 1040 patients presenting with suspected AMI (BACC study). To rule out AMI we calculated the negative predictive value (NPV) utilizing the optimal hs-TnI cutoff combined with a low risk ECG. The results were validated in 3566 patients with suspected AMI [2-h Accelerated Diagnostic Protocol to Assess Patients With Chest Pain Symptoms Using Contemporary Troponins as the Only Biomarker (ADAPT) studies]. Patients were followed for 6 or 12 months.RESULTS: 184 of all patients were diagnosed with AMI. An hs-TnI cutoff of 3 ng/L resulted in a NPV of 99.3% (CI 97.3-100.0), ruling out 35% of all non-AMI patients. Adding the information of a low risk ECG resulted in a 100% (CI 97.5-100.0) NPV (28% ruled out). The 2 validation cohorts replicated the high NPV of this approach. The follow-up mortality in the ruled out population was low (0 deaths in BACC and Stenocardia, 1 death in ADAPT).CONCLUSIONS: A single hs-TnI measurement on admission combined with a low risk ECG appears to rule out AMI safely without need for serial troponin testing.TRIAL REGISTRATION: www.clinicaltrials.gov (NCT02355457).",
keywords = "Acute Disease, Aged, Biomarkers, Electrocardiography, Female, Humans, Male, Middle Aged, Myocardial Infarction, Troponin I, Clinical Trial, Journal Article",
author = "Neumann, {Johannes Tobias} and S{\"o}rensen, {Nils Arne} and Francisco Ojeda and Tjark Schwemer and Jonas Lehmacher and Saskia G{\"o}nner and Nikolas Jarsetz and Till Keller and Sarina Schaefer and Thomas Renn{\'e} and Ulf Landmesser and Peter Clemmensen and Nataliya Makarova and Schnabel, {Renate B} and Tanja Zeller and Mahir Karakas and Pickering, {John W} and Martin Than and William Parsonage and Jaimi Greenslade and Louise Cullen and Dirk Westermann and Stefan Blankenberg",
note = "{\textcopyright} 2016 American Association for Clinical Chemistry.",
year = "2017",
month = jan,
doi = "10.1373/clinchem.2016.262659",
language = "English",
volume = "63",
pages = "394--402",
journal = "CLIN CHEM",
issn = "0009-9147",
publisher = "American Association for Clinical Chemistry Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - Immediate Rule-Out of Acute Myocardial Infarction Using Electrocardiogram and Baseline High-Sensitivity Troponin I

AU - Neumann, Johannes Tobias

AU - Sörensen, Nils Arne

AU - Ojeda, Francisco

AU - Schwemer, Tjark

AU - Lehmacher, Jonas

AU - Gönner, Saskia

AU - Jarsetz, Nikolas

AU - Keller, Till

AU - Schaefer, Sarina

AU - Renné, Thomas

AU - Landmesser, Ulf

AU - Clemmensen, Peter

AU - Makarova, Nataliya

AU - Schnabel, Renate B

AU - Zeller, Tanja

AU - Karakas, Mahir

AU - Pickering, John W

AU - Than, Martin

AU - Parsonage, William

AU - Greenslade, Jaimi

AU - Cullen, Louise

AU - Westermann, Dirk

AU - Blankenberg, Stefan

N1 - © 2016 American Association for Clinical Chemistry.

PY - 2017/1

Y1 - 2017/1

N2 - AIMS: Serial measurements of high-sensitivity troponin are used to rule out acute myocardial infarction (AMI) with an assay specific cutoff at the 99th percentile. Here, we evaluated the performance of a single admission troponin with a lower cutoff combined with a low risk electrocardiogram (ECG) to rule out AMI.METHODS: Troponin I measured with a high-sensitivity assay (hs-TnI) was determined at admission in 1040 patients presenting with suspected AMI (BACC study). To rule out AMI we calculated the negative predictive value (NPV) utilizing the optimal hs-TnI cutoff combined with a low risk ECG. The results were validated in 3566 patients with suspected AMI [2-h Accelerated Diagnostic Protocol to Assess Patients With Chest Pain Symptoms Using Contemporary Troponins as the Only Biomarker (ADAPT) studies]. Patients were followed for 6 or 12 months.RESULTS: 184 of all patients were diagnosed with AMI. An hs-TnI cutoff of 3 ng/L resulted in a NPV of 99.3% (CI 97.3-100.0), ruling out 35% of all non-AMI patients. Adding the information of a low risk ECG resulted in a 100% (CI 97.5-100.0) NPV (28% ruled out). The 2 validation cohorts replicated the high NPV of this approach. The follow-up mortality in the ruled out population was low (0 deaths in BACC and Stenocardia, 1 death in ADAPT).CONCLUSIONS: A single hs-TnI measurement on admission combined with a low risk ECG appears to rule out AMI safely without need for serial troponin testing.TRIAL REGISTRATION: www.clinicaltrials.gov (NCT02355457).

AB - AIMS: Serial measurements of high-sensitivity troponin are used to rule out acute myocardial infarction (AMI) with an assay specific cutoff at the 99th percentile. Here, we evaluated the performance of a single admission troponin with a lower cutoff combined with a low risk electrocardiogram (ECG) to rule out AMI.METHODS: Troponin I measured with a high-sensitivity assay (hs-TnI) was determined at admission in 1040 patients presenting with suspected AMI (BACC study). To rule out AMI we calculated the negative predictive value (NPV) utilizing the optimal hs-TnI cutoff combined with a low risk ECG. The results were validated in 3566 patients with suspected AMI [2-h Accelerated Diagnostic Protocol to Assess Patients With Chest Pain Symptoms Using Contemporary Troponins as the Only Biomarker (ADAPT) studies]. Patients were followed for 6 or 12 months.RESULTS: 184 of all patients were diagnosed with AMI. An hs-TnI cutoff of 3 ng/L resulted in a NPV of 99.3% (CI 97.3-100.0), ruling out 35% of all non-AMI patients. Adding the information of a low risk ECG resulted in a 100% (CI 97.5-100.0) NPV (28% ruled out). The 2 validation cohorts replicated the high NPV of this approach. The follow-up mortality in the ruled out population was low (0 deaths in BACC and Stenocardia, 1 death in ADAPT).CONCLUSIONS: A single hs-TnI measurement on admission combined with a low risk ECG appears to rule out AMI safely without need for serial troponin testing.TRIAL REGISTRATION: www.clinicaltrials.gov (NCT02355457).

KW - Acute Disease

KW - Aged

KW - Biomarkers

KW - Electrocardiography

KW - Female

KW - Humans

KW - Male

KW - Middle Aged

KW - Myocardial Infarction

KW - Troponin I

KW - Clinical Trial

KW - Journal Article

U2 - 10.1373/clinchem.2016.262659

DO - 10.1373/clinchem.2016.262659

M3 - SCORING: Journal article

C2 - 27903616

VL - 63

SP - 394

EP - 402

JO - CLIN CHEM

JF - CLIN CHEM

SN - 0009-9147

IS - 1

ER -