ST-Segment Recovery and Outcome After Primary Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction Insights From the Assessment of Pexelizumab in Acute Myocardial Infarction (APEX-AMI) Trial

Background— Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate care and expedite hospital discharge. Thus,...

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Published inCirculation (New York, N.Y.) Vol. 118; no. 13; pp. 1335 - 1346
Main Authors Buller, Christopher E., Fu, Yuling, Mahaffey, Kenneth W., Todaro, Thomas G., Adams, Peter, Westerhout, Cynthia M., White, Harvey D., van 't Hof, Arnoud W.J., Van de Werf, Frans J., Wagner, Galen S., Granger, Christopher B., Armstrong, Paul W.
Format Journal Article
LanguageEnglish
Published Hagerstown, MD Lippincott Williams & Wilkins 23.09.2008
Subjects
Online AccessGet full text
ISSN0009-7322
1524-4539
1524-4539
DOI10.1161/CIRCULATIONAHA.108.767772

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Abstract Background— Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate care and expedite hospital discharge. Thus, we determined the prognostic importance of various measures of ST-segment–elevation recovery after primary PCI in a large, contemporary cohort of patients with ST-elevation myocardial infarction. Methods and Results— We analyzed ECG data describing the magnitude and extent of ST-segment elevation and deviation before and early after (ie, 30 minutes) primary PCI in the study cohort of 4866 subjects with electrocardiographically high-risk ST-elevation myocardial infarction enrolled in the Assessment of PEXelizumab in Acute Myocardial Infarction (APEX-AMI) trial. Associations among 6 methods for calculating ST-segment recovery, biomarker estimates of infarct size (ie, peak creatine kinase, creatine kinase-MB, and troponin I and T), and prespecified clinical outcomes (ie, rates of 90-day death and 90-day death, heart failure, or shock) were examined. All ST-segment–recovery methods provided strong prognostic information regarding clinical outcomes. A simple ST-segment–recovery method of residual ST-segment elevation measurement in the most affected lead on the post-PCI ECG performed as well as complex methods that required comparison of pre- and post-PCI ECGs or calculation of summed ST-segment deviation in multiple leads (ie, worst-lead residual ST elevation: adjusted hazard ratio for 90-day death rate [reference <1 mm]: 1 to <2 mm, 1.23 [95% CI 0.74 to 2.03]; ≥2 mm, 2.22 [95% CI 1.35 to 3.65], corrected c-index=0.832; 90-day death/congestive heart failure/shock [reference <1 mm]: 1 to <2 mm, 1.55 [95% CI 1.06 to 2.26]; ≥2 mm, 2.33 [95% CI 1.59 to 3.41], corrected c-index=0.802). Biomarker estimates of infarct size declined in association with enhanced ST-segment recovery. Conclusions— An ECG performed early after primary PCI is a simple, widely available, inexpensive, and powerful prognostic tool applicable to patients with ST-elevation myocardial infarction.
AbstractList Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate care and expedite hospital discharge. Thus, we determined the prognostic importance of various measures of ST-segment-elevation recovery after primary PCI in a large, contemporary cohort of patients with ST-elevation myocardial infarction. We analyzed ECG data describing the magnitude and extent of ST-segment elevation and deviation before and early after (ie, 30 minutes) primary PCI in the study cohort of 4866 subjects with electrocardiographically high-risk ST-elevation myocardial infarction enrolled in the Assessment of PEXelizumab in Acute Myocardial Infarction (APEX-AMI) trial. Associations among 6 methods for calculating ST-segment recovery, biomarker estimates of infarct size (ie, peak creatine kinase, creatine kinase-MB, and troponin I and T), and prespecified clinical outcomes (ie, rates of 90-day death and 90-day death, heart failure, or shock) were examined. All ST-segment-recovery methods provided strong prognostic information regarding clinical outcomes. A simple ST-segment-recovery method of residual ST-segment elevation measurement in the most affected lead on the post-PCI ECG performed as well as complex methods that required comparison of pre- and post-PCI ECGs or calculation of summed ST-segment deviation in multiple leads (ie, worst-lead residual ST elevation: adjusted hazard ratio for 90-day death rate [reference <1 mm]: 1 to <2 mm, 1.23 [95% CI 0.74 to 2.03]; > or =2 mm, 2.22 [95% CI 1.35 to 3.65], corrected c-index=0.832; 90-day death/congestive heart failure/shock [reference <1 mm]: 1 to <2 mm, 1.55 [95% CI 1.06 to 2.26]; > or =2 mm, 2.33 [95% CI 1.59 to 3.41], corrected c-index=0.802). Biomarker estimates of infarct size declined in association with enhanced ST-segment recovery. An ECG performed early after primary PCI is a simple, widely available, inexpensive, and powerful prognostic tool applicable to patients with ST-elevation myocardial infarction.
Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate care and expedite hospital discharge. Thus, we determined the prognostic importance of various measures of ST-segment-elevation recovery after primary PCI in a large, contemporary cohort of patients with ST-elevation myocardial infarction.BACKGROUNDPrimary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate care and expedite hospital discharge. Thus, we determined the prognostic importance of various measures of ST-segment-elevation recovery after primary PCI in a large, contemporary cohort of patients with ST-elevation myocardial infarction.We analyzed ECG data describing the magnitude and extent of ST-segment elevation and deviation before and early after (ie, 30 minutes) primary PCI in the study cohort of 4866 subjects with electrocardiographically high-risk ST-elevation myocardial infarction enrolled in the Assessment of PEXelizumab in Acute Myocardial Infarction (APEX-AMI) trial. Associations among 6 methods for calculating ST-segment recovery, biomarker estimates of infarct size (ie, peak creatine kinase, creatine kinase-MB, and troponin I and T), and prespecified clinical outcomes (ie, rates of 90-day death and 90-day death, heart failure, or shock) were examined. All ST-segment-recovery methods provided strong prognostic information regarding clinical outcomes. A simple ST-segment-recovery method of residual ST-segment elevation measurement in the most affected lead on the post-PCI ECG performed as well as complex methods that required comparison of pre- and post-PCI ECGs or calculation of summed ST-segment deviation in multiple leads (ie, worst-lead residual ST elevation: adjusted hazard ratio for 90-day death rate [reference <1 mm]: 1 to <2 mm, 1.23 [95% CI 0.74 to 2.03]; > or =2 mm, 2.22 [95% CI 1.35 to 3.65], corrected c-index=0.832; 90-day death/congestive heart failure/shock [reference <1 mm]: 1 to <2 mm, 1.55 [95% CI 1.06 to 2.26]; > or =2 mm, 2.33 [95% CI 1.59 to 3.41], corrected c-index=0.802). Biomarker estimates of infarct size declined in association with enhanced ST-segment recovery.METHODS AND RESULTSWe analyzed ECG data describing the magnitude and extent of ST-segment elevation and deviation before and early after (ie, 30 minutes) primary PCI in the study cohort of 4866 subjects with electrocardiographically high-risk ST-elevation myocardial infarction enrolled in the Assessment of PEXelizumab in Acute Myocardial Infarction (APEX-AMI) trial. Associations among 6 methods for calculating ST-segment recovery, biomarker estimates of infarct size (ie, peak creatine kinase, creatine kinase-MB, and troponin I and T), and prespecified clinical outcomes (ie, rates of 90-day death and 90-day death, heart failure, or shock) were examined. All ST-segment-recovery methods provided strong prognostic information regarding clinical outcomes. A simple ST-segment-recovery method of residual ST-segment elevation measurement in the most affected lead on the post-PCI ECG performed as well as complex methods that required comparison of pre- and post-PCI ECGs or calculation of summed ST-segment deviation in multiple leads (ie, worst-lead residual ST elevation: adjusted hazard ratio for 90-day death rate [reference <1 mm]: 1 to <2 mm, 1.23 [95% CI 0.74 to 2.03]; > or =2 mm, 2.22 [95% CI 1.35 to 3.65], corrected c-index=0.832; 90-day death/congestive heart failure/shock [reference <1 mm]: 1 to <2 mm, 1.55 [95% CI 1.06 to 2.26]; > or =2 mm, 2.33 [95% CI 1.59 to 3.41], corrected c-index=0.802). Biomarker estimates of infarct size declined in association with enhanced ST-segment recovery.An ECG performed early after primary PCI is a simple, widely available, inexpensive, and powerful prognostic tool applicable to patients with ST-elevation myocardial infarction.CONCLUSIONSAn ECG performed early after primary PCI is a simple, widely available, inexpensive, and powerful prognostic tool applicable to patients with ST-elevation myocardial infarction.
Background— Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate care and expedite hospital discharge. Thus, we determined the prognostic importance of various measures of ST-segment–elevation recovery after primary PCI in a large, contemporary cohort of patients with ST-elevation myocardial infarction. Methods and Results— We analyzed ECG data describing the magnitude and extent of ST-segment elevation and deviation before and early after (ie, 30 minutes) primary PCI in the study cohort of 4866 subjects with electrocardiographically high-risk ST-elevation myocardial infarction enrolled in the Assessment of PEXelizumab in Acute Myocardial Infarction (APEX-AMI) trial. Associations among 6 methods for calculating ST-segment recovery, biomarker estimates of infarct size (ie, peak creatine kinase, creatine kinase-MB, and troponin I and T), and prespecified clinical outcomes (ie, rates of 90-day death and 90-day death, heart failure, or shock) were examined. All ST-segment–recovery methods provided strong prognostic information regarding clinical outcomes. A simple ST-segment–recovery method of residual ST-segment elevation measurement in the most affected lead on the post-PCI ECG performed as well as complex methods that required comparison of pre- and post-PCI ECGs or calculation of summed ST-segment deviation in multiple leads (ie, worst-lead residual ST elevation: adjusted hazard ratio for 90-day death rate [reference <1 mm]: 1 to <2 mm, 1.23 [95% CI 0.74 to 2.03]; ≥2 mm, 2.22 [95% CI 1.35 to 3.65], corrected c-index=0.832; 90-day death/congestive heart failure/shock [reference <1 mm]: 1 to <2 mm, 1.55 [95% CI 1.06 to 2.26]; ≥2 mm, 2.33 [95% CI 1.59 to 3.41], corrected c-index=0.802). Biomarker estimates of infarct size declined in association with enhanced ST-segment recovery. Conclusions— An ECG performed early after primary PCI is a simple, widely available, inexpensive, and powerful prognostic tool applicable to patients with ST-elevation myocardial infarction.
Author Granger, Christopher B.
Westerhout, Cynthia M.
Van de Werf, Frans J.
Wagner, Galen S.
Buller, Christopher E.
White, Harvey D.
Adams, Peter
Armstrong, Paul W.
Mahaffey, Kenneth W.
Fu, Yuling
Todaro, Thomas G.
van 't Hof, Arnoud W.J.
Author_xml – sequence: 1
  givenname: Christopher E.
  surname: Buller
  fullname: Buller, Christopher E.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 2
  givenname: Yuling
  surname: Fu
  fullname: Fu, Yuling
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 3
  givenname: Kenneth W.
  surname: Mahaffey
  fullname: Mahaffey, Kenneth W.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 4
  givenname: Thomas G.
  surname: Todaro
  fullname: Todaro, Thomas G.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 5
  givenname: Peter
  surname: Adams
  fullname: Adams, Peter
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 6
  givenname: Cynthia M.
  surname: Westerhout
  fullname: Westerhout, Cynthia M.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 7
  givenname: Harvey D.
  surname: White
  fullname: White, Harvey D.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 8
  givenname: Arnoud W.J.
  surname: van 't Hof
  fullname: van 't Hof, Arnoud W.J.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 9
  givenname: Frans J.
  surname: Van de Werf
  fullname: Van de Werf, Frans J.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 10
  givenname: Galen S.
  surname: Wagner
  fullname: Wagner, Galen S.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
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  givenname: Christopher B.
  surname: Granger
  fullname: Granger, Christopher B.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
– sequence: 12
  givenname: Paul W.
  surname: Armstrong
  fullname: Armstrong, Paul W.
  organization: From Vancouver General Hospital (C.E.B.), University of British Columbia, Vancouver, British Columbia, Canada; University of Alberta (Y.F., C.M.W., P.W.A.), Edmonton, Alberta, Canada; Duke Clinical Research Institute (K.W.M., G.S.W., C.B.G.), Durham, NC; Procter & Gamble (T.G.T.), Cincinnati, Ohio; Alexion Pharmaceuticals (P.A.), Cheshire, Conn; Green Lane Cardiovascular Research Unit (H.D.W.), Auckland, New Zealand; Isala Klinieken (A.W.J.v.H.), Zwolle, Netherlands; and University Hospital
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Cites_doi 10.1093/eurheartj/ehi700
10.1016/S0195-668X(02)00618-8
10.1016/S0140-6736(96)07120-6
10.1016/S0735-1097(85)80005-X
10.1016/j.ehj.2004.03.021
10.1016/j.jacc.2004.06.053
10.1001/jama.297.1.43
10.1016/j.ahj.2004.12.015
10.1200/JCO.1983.1.11.710
10.1056/NEJM199912233412601
10.1016/0735-1097(94)90292-5
10.1016/0735-1097(95)00372-X
10.1016/j.ahj.2003.11.010
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10.1093/eurheartj/ehm453
10.1056/NEJM200106213442503
10.1161/circulationaha.105.578195
10.1161/circ.97.23.2302
10.1161/circ.99.15.1972
10.1002/sim.4780030207
10.1161/01.cir.0000134791.68010.fa
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Issue 13
Keywords Myocardial infarction
Prognosis
ST interval
infarction
Cardiovascular disease
Instrumental dilatation
Pexelizumab
Myocardial disease
Coronary heart disease
Percutaneous route
Immunomodulator
ST elevation
Electrocardiography
Apex
angioplasty
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PublicationTitle Circulation (New York, N.Y.)
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Snippet Background— Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of...
Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining...
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SubjectTerms Aged
Angioplasty, Balloon, Coronary - mortality
Antibodies, Monoclonal - administration & dosage
Antibodies, Monoclonal, Humanized
Biological and medical sciences
Blood and lymphatic vessels
Cardiology. Vascular system
Cohort Studies
Combined Modality Therapy
Coronary heart disease
Diseases of the peripheral vessels. Diseases of the vena cava. Miscellaneous
Electrocardiography
Female
Heart
Heart Failure - mortality
Humans
Kaplan-Meier Estimate
Male
Medical sciences
Middle Aged
Multivariate Analysis
Myocardial Infarction - diagnosis
Myocardial Infarction - mortality
Myocardial Infarction - therapy
Predictive Value of Tests
Prognosis
Recovery of Function
Shock, Cardiogenic - mortality
Single-Chain Antibodies
Treatment Outcome
Subtitle Insights From the Assessment of Pexelizumab in Acute Myocardial Infarction (APEX-AMI) Trial
Title ST-Segment Recovery and Outcome After Primary Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction
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