Prognostic significance of electrocardiographic-determined left ventricular hypertrophy and associated ST-segment depression in patients with non-ST-elevation acute coronary syndromes
Identifieur interne : 001C87 ( PascalFrancis/Corpus ); précédent : 001C86; suivant : 001C88Prognostic significance of electrocardiographic-determined left ventricular hypertrophy and associated ST-segment depression in patients with non-ST-elevation acute coronary syndromes
Auteurs : Sammy Ali ; Shaun G. Goodman ; Raymond T. Yan ; Andrzej Budaj ; Keith A. A. Fox ; Joel M. Gore ; David Brieger ; Jose Lopez-Sendon ; Anatoly Langer ; Frans Van De Werf ; Ph. Gabriel Steg ; Andrew T. YanSource :
- The American heart journal [ 0002-8703 ] ; 2011.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Background Left ventricular hypertrophy (LVH) is frequently associated with ST depression (STD) on the electrocardiogram (ECG), a so-called strain pattern. Although STD is a well-established adverse prognosticator in non-ST-elevation acute coronary syndrome (NSTE-ACS), the relative prognostic importance of LVH and associated STD has not been elucidated. Methods A total of 7,761 patients with NSTE-ACS in the Global Registry of Acute Coronary Events (GRACE) and ACS-I registries had admission ECGs analyzed at a core laboratory. Left ventricular hypertrophy (determined by Sokolow-Lyon and/ or Casale criteria) was observed in 296 (3.8%) patients. We examined the independent association between LVH (determined by the admission ECG) and outcomes in relation to STD. Results Patients with LVH were older, had more comorbidities and STD, and presented with a higher Killip class. They were less likely to undergo cardiac catheterization (43.1% vs 51.2%, P = .006) and percutaneous coronary intervention (18.3% vs 24.6%, P= .014). Patients with LVH had higher unadjusted mortality at 6 months (10.5% vs 7.1%, P = .038), but similar rates of in-hospital mortality (4.1% vs 3.4%, P = .54) and reinfarction (7.1% vs 7.6%, P = .75). Patients with LVH were more likely to have heart failure in-hospital (21.8% vs 11.8%, P < .001). Among LVH patients, degree of quantitative STD did not predict higher short- or long-term mortality, but was associated with in-hospital heart failure. Multivariable analysis adjusting for other clinical prognosticators of the GRACE risk models revealed that LVH was not a significant independent predictor of in-hospital mortality (adjusted odds ratio = 0.75, 95% CI 0.40-1.41, P = .37) or 6-month mortality (adjusted odds ratio = 0.83, 95% CI 0.52-1.35, P = .44). In contrast, STD remained a strong independent predictor of adverse outcomes. There was no significant interaction between STD and LVH. Conclusions Across the broad spectrum of NSTE-ACS, LVH is associated with adverse prognostic factors including STD. Electrocardiographic-determined LVH provides no significant additional prognostic utility beyond comprehensive risk assessment using the GRACE risk score. The adverse prognosis associated with LVH in NSTE-ACS may be attributable to other prognosticators such as STD.
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NO : | PASCAL 11-0265471 INIST |
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ET : | Prognostic significance of electrocardiographic-determined left ventricular hypertrophy and associated ST-segment depression in patients with non-ST-elevation acute coronary syndromes |
AU : | ALI (Sammy); GOODMAN (Shaun G.); YAN (Raymond T.); BUDAJ (Andrzej); FOX (Keith A. A.); GORE (Joel M.); BRIEGER (David); LOPEZ-SENDON (Jose); LANGER (Anatoly); VAN DE WERF (Frans); STEG (Ph. gabriel); YAN (Andrew T.) |
AF : | Canadian Heart Research Centre and Terrence Donnelly Heart Centre, Division of Cardiology, St. Michael's Hospital, University of Toronto/Toronto, Ontario/Canada (1 aut., 2 aut., 3 aut., 9 aut., 12 aut.); Postgraduate Medical School, Department of Cardiology, Grochowski Hospital/Warsaw/Pologne (4 aut.); Cardiovascular Research, Division of Medical and Radiological Sciences, The University of Edinburgh/Edinburgh/Royaume-Uni (5 aut.); Department of Medicine, University of Massachusetts Medical School/Worcester, MA/Etats-Unis (6 aut.); Coronary Care Unit, Concord Hospital/Sydney/Australie (7 aut.); Hospital Universitario La Paz/Madrid/Espagne (8 aut.); Department of Cardiovascular Medicine, University of Leuven/Leuven/Belgique (10 aut.); INSERM U-698/Paris/France (11 aut.); Université Paris 7/Paris/France (11 aut.); Assistance Publique-Hôpitaux de Paris, Centre Hospitalier Bichat-Claude Bernard/Paris/France (11 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | The American heart journal; ISSN 0002-8703; Coden AHJOA2; Etats-Unis; Da. 2011; Vol. 161; No. 5; Pp. 878-885; Bibl. 38 ref. |
LA : | Anglais |
EA : | Background Left ventricular hypertrophy (LVH) is frequently associated with ST depression (STD) on the electrocardiogram (ECG), a so-called strain pattern. Although STD is a well-established adverse prognosticator in non-ST-elevation acute coronary syndrome (NSTE-ACS), the relative prognostic importance of LVH and associated STD has not been elucidated. Methods A total of 7,761 patients with NSTE-ACS in the Global Registry of Acute Coronary Events (GRACE) and ACS-I registries had admission ECGs analyzed at a core laboratory. Left ventricular hypertrophy (determined by Sokolow-Lyon and/ or Casale criteria) was observed in 296 (3.8%) patients. We examined the independent association between LVH (determined by the admission ECG) and outcomes in relation to STD. Results Patients with LVH were older, had more comorbidities and STD, and presented with a higher Killip class. They were less likely to undergo cardiac catheterization (43.1% vs 51.2%, P = .006) and percutaneous coronary intervention (18.3% vs 24.6%, P= .014). Patients with LVH had higher unadjusted mortality at 6 months (10.5% vs 7.1%, P = .038), but similar rates of in-hospital mortality (4.1% vs 3.4%, P = .54) and reinfarction (7.1% vs 7.6%, P = .75). Patients with LVH were more likely to have heart failure in-hospital (21.8% vs 11.8%, P < .001). Among LVH patients, degree of quantitative STD did not predict higher short- or long-term mortality, but was associated with in-hospital heart failure. Multivariable analysis adjusting for other clinical prognosticators of the GRACE risk models revealed that LVH was not a significant independent predictor of in-hospital mortality (adjusted odds ratio = 0.75, 95% CI 0.40-1.41, P = .37) or 6-month mortality (adjusted odds ratio = 0.83, 95% CI 0.52-1.35, P = .44). In contrast, STD remained a strong independent predictor of adverse outcomes. There was no significant interaction between STD and LVH. Conclusions Across the broad spectrum of NSTE-ACS, LVH is associated with adverse prognostic factors including STD. Electrocardiographic-determined LVH provides no significant additional prognostic utility beyond comprehensive risk assessment using the GRACE risk score. The adverse prognosis associated with LVH in NSTE-ACS may be attributable to other prognosticators such as STD. |
CC : | 002B12A03; 002B12A05 |
FD : | Hypertrophie; Pathologie de l'appareil circulatoire; Pronostic; Electrocardiographie; Ventricule gauche; Sousdécalage ST; Homme; Malade; Susdécalage ST; Appareil circulatoire; Cardiologie; Syndrome coronaire aigu |
FG : | Electrodiagnostic; Cardiopathie coronaire; Pathologie du myocarde |
ED : | Hypertrophy; Cardiovascular disease; Prognosis; Electrocardiography; Left ventricle; ST depression; Human; Patient; ST elevation; Circulatory system; Cardiology; Acute coronary syndrome |
EG : | Electrodiagnosis; Coronary heart disease; Myocardial disease |
SD : | Hipertrofia; Aparato circulatorio patología; Pronóstico; Electrocardiografía; Ventrículo izquierdo; ST depresión(ECG); Hombre; Enfermo; ST elevación(ECG); Aparato circulatorio; Cardiología; Síndrome coronario agudo |
LO : | INIST-2057.354000192140800110 |
ID : | 11-0265471 |
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<s2>Toronto, Ontario</s2>
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<series><title level="j" type="main">The American heart journal</title>
<title level="j" type="abbreviated">Am. heart j.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acute coronary syndrome</term>
<term>Cardiology</term>
<term>Cardiovascular disease</term>
<term>Circulatory system</term>
<term>Electrocardiography</term>
<term>Human</term>
<term>Hypertrophy</term>
<term>Left ventricle</term>
<term>Patient</term>
<term>Prognosis</term>
<term>ST depression</term>
<term>ST elevation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Hypertrophie</term>
<term>Pathologie de l'appareil circulatoire</term>
<term>Pronostic</term>
<term>Electrocardiographie</term>
<term>Ventricule gauche</term>
<term>Sousdécalage ST</term>
<term>Homme</term>
<term>Malade</term>
<term>Susdécalage ST</term>
<term>Appareil circulatoire</term>
<term>Cardiologie</term>
<term>Syndrome coronaire aigu</term>
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<front><div type="abstract" xml:lang="en">Background Left ventricular hypertrophy (LVH) is frequently associated with ST depression (STD) on the electrocardiogram (ECG), a so-called strain pattern. Although STD is a well-established adverse prognosticator in non-ST-elevation acute coronary syndrome (NSTE-ACS), the relative prognostic importance of LVH and associated STD has not been elucidated. Methods A total of 7,761 patients with NSTE-ACS in the Global Registry of Acute Coronary Events (GRACE) and ACS-I registries had admission ECGs analyzed at a core laboratory. Left ventricular hypertrophy (determined by Sokolow-Lyon and/ or Casale criteria) was observed in 296 (3.8%) patients. We examined the independent association between LVH (determined by the admission ECG) and outcomes in relation to STD. Results Patients with LVH were older, had more comorbidities and STD, and presented with a higher Killip class. They were less likely to undergo cardiac catheterization (43.1% vs 51.2%, P = .006) and percutaneous coronary intervention (18.3% vs 24.6%, P= .014). Patients with LVH had higher unadjusted mortality at 6 months (10.5% vs 7.1%, P = .038), but similar rates of in-hospital mortality (4.1% vs 3.4%, P = .54) and reinfarction (7.1% vs 7.6%, P = .75). Patients with LVH were more likely to have heart failure in-hospital (21.8% vs 11.8%, P < .001). Among LVH patients, degree of quantitative STD did not predict higher short- or long-term mortality, but was associated with in-hospital heart failure. Multivariable analysis adjusting for other clinical prognosticators of the GRACE risk models revealed that LVH was not a significant independent predictor of in-hospital mortality (adjusted odds ratio = 0.75, 95% CI 0.40-1.41, P = .37) or 6-month mortality (adjusted odds ratio = 0.83, 95% CI 0.52-1.35, P = .44). In contrast, STD remained a strong independent predictor of adverse outcomes. There was no significant interaction between STD and LVH. Conclusions Across the broad spectrum of NSTE-ACS, LVH is associated with adverse prognostic factors including STD. Electrocardiographic-determined LVH provides no significant additional prognostic utility beyond comprehensive risk assessment using the GRACE risk score. The adverse prognosis associated with LVH in NSTE-ACS may be attributable to other prognosticators such as STD.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Prognostic significance of electrocardiographic-determined left ventricular hypertrophy and associated ST-segment depression in patients with non-ST-elevation acute coronary syndromes</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>ALI (Sammy)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>GOODMAN (Shaun G.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>YAN (Raymond T.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>BUDAJ (Andrzej)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>FOX (Keith A. A.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>GORE (Joel M.)</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>BRIEGER (David)</s1>
</fA11>
<fA11 i1="08" i2="1"><s1>LOPEZ-SENDON (Jose)</s1>
</fA11>
<fA11 i1="09" i2="1"><s1>LANGER (Anatoly)</s1>
</fA11>
<fA11 i1="10" i2="1"><s1>VAN DE WERF (Frans)</s1>
</fA11>
<fA11 i1="11" i2="1"><s1>STEG (Ph. gabriel)</s1>
</fA11>
<fA11 i1="12" i2="1"><s1>YAN (Andrew T.)</s1>
</fA11>
<fA14 i1="01"><s1>Canadian Heart Research Centre and Terrence Donnelly Heart Centre, Division of Cardiology, St. Michael's Hospital, University of Toronto</s1>
<s2>Toronto, Ontario</s2>
<s3>CAN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>12 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Postgraduate Medical School, Department of Cardiology, Grochowski Hospital</s1>
<s2>Warsaw</s2>
<s3>POL</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Cardiovascular Research, Division of Medical and Radiological Sciences, The University of Edinburgh</s1>
<s2>Edinburgh</s2>
<s3>GBR</s3>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Department of Medicine, University of Massachusetts Medical School</s1>
<s2>Worcester, MA</s2>
<s3>USA</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="05"><s1>Coronary Care Unit, Concord Hospital</s1>
<s2>Sydney</s2>
<s3>AUS</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="06"><s1>Hospital Universitario La Paz</s1>
<s2>Madrid</s2>
<s3>ESP</s3>
<sZ>8 aut.</sZ>
</fA14>
<fA14 i1="07"><s1>Department of Cardiovascular Medicine, University of Leuven</s1>
<s2>Leuven</s2>
<s3>BEL</s3>
<sZ>10 aut.</sZ>
</fA14>
<fA14 i1="08"><s1>INSERM U-698</s1>
<s2>Paris</s2>
<s3>FRA</s3>
<sZ>11 aut.</sZ>
</fA14>
<fA14 i1="09"><s1>Université Paris 7</s1>
<s2>Paris</s2>
<s3>FRA</s3>
<sZ>11 aut.</sZ>
</fA14>
<fA14 i1="10"><s1>Assistance Publique-Hôpitaux de Paris, Centre Hospitalier Bichat-Claude Bernard</s1>
<s2>Paris</s2>
<s3>FRA</s3>
<sZ>11 aut.</sZ>
</fA14>
<fA20><s1>878-885</s1>
</fA20>
<fA21><s1>2011</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>2057</s2>
<s5>354000192140800110</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2011 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>38 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>11-0265471</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>The American heart journal</s0>
</fA64>
<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Background Left ventricular hypertrophy (LVH) is frequently associated with ST depression (STD) on the electrocardiogram (ECG), a so-called strain pattern. Although STD is a well-established adverse prognosticator in non-ST-elevation acute coronary syndrome (NSTE-ACS), the relative prognostic importance of LVH and associated STD has not been elucidated. Methods A total of 7,761 patients with NSTE-ACS in the Global Registry of Acute Coronary Events (GRACE) and ACS-I registries had admission ECGs analyzed at a core laboratory. Left ventricular hypertrophy (determined by Sokolow-Lyon and/ or Casale criteria) was observed in 296 (3.8%) patients. We examined the independent association between LVH (determined by the admission ECG) and outcomes in relation to STD. Results Patients with LVH were older, had more comorbidities and STD, and presented with a higher Killip class. They were less likely to undergo cardiac catheterization (43.1% vs 51.2%, P = .006) and percutaneous coronary intervention (18.3% vs 24.6%, P= .014). Patients with LVH had higher unadjusted mortality at 6 months (10.5% vs 7.1%, P = .038), but similar rates of in-hospital mortality (4.1% vs 3.4%, P = .54) and reinfarction (7.1% vs 7.6%, P = .75). Patients with LVH were more likely to have heart failure in-hospital (21.8% vs 11.8%, P < .001). Among LVH patients, degree of quantitative STD did not predict higher short- or long-term mortality, but was associated with in-hospital heart failure. Multivariable analysis adjusting for other clinical prognosticators of the GRACE risk models revealed that LVH was not a significant independent predictor of in-hospital mortality (adjusted odds ratio = 0.75, 95% CI 0.40-1.41, P = .37) or 6-month mortality (adjusted odds ratio = 0.83, 95% CI 0.52-1.35, P = .44). In contrast, STD remained a strong independent predictor of adverse outcomes. There was no significant interaction between STD and LVH. Conclusions Across the broad spectrum of NSTE-ACS, LVH is associated with adverse prognostic factors including STD. Electrocardiographic-determined LVH provides no significant additional prognostic utility beyond comprehensive risk assessment using the GRACE risk score. The adverse prognosis associated with LVH in NSTE-ACS may be attributable to other prognosticators such as STD.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002B12A03</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002B12A05</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Hypertrophie</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Hypertrophy</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Hipertrofia</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Pathologie de l'appareil circulatoire</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Cardiovascular disease</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Aparato circulatorio patología</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Pronostic</s0>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Prognosis</s0>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Pronóstico</s0>
<s5>09</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Electrocardiographie</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Electrocardiography</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Electrocardiografía</s0>
<s5>10</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Ventricule gauche</s0>
<s5>11</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Left ventricle</s0>
<s5>11</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Ventrículo izquierdo</s0>
<s5>11</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Sousdécalage ST</s0>
<s5>12</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>ST depression</s0>
<s5>12</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>ST depresión(ECG)</s0>
<s5>12</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Homme</s0>
<s5>13</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Human</s0>
<s5>13</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Hombre</s0>
<s5>13</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Malade</s0>
<s5>14</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Patient</s0>
<s5>14</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Enfermo</s0>
<s5>14</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Susdécalage ST</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>ST elevation</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>ST elevación(ECG)</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Appareil circulatoire</s0>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Circulatory system</s0>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Aparato circulatorio</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Cardiologie</s0>
<s5>17</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Cardiology</s0>
<s5>17</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Cardiología</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Syndrome coronaire aigu</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Acute coronary syndrome</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Síndrome coronario agudo</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Electrodiagnostic</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Electrodiagnosis</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Electrodiagnóstico</s0>
<s5>37</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Cardiopathie coronaire</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Coronary heart disease</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Cardiopatía coronaria</s0>
<s5>38</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Pathologie du myocarde</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Myocardial disease</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Miocardio patología</s0>
<s5>39</s5>
</fC07>
<fN21><s1>178</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 11-0265471 INIST</NO>
<ET>Prognostic significance of electrocardiographic-determined left ventricular hypertrophy and associated ST-segment depression in patients with non-ST-elevation acute coronary syndromes</ET>
<AU>ALI (Sammy); GOODMAN (Shaun G.); YAN (Raymond T.); BUDAJ (Andrzej); FOX (Keith A. A.); GORE (Joel M.); BRIEGER (David); LOPEZ-SENDON (Jose); LANGER (Anatoly); VAN DE WERF (Frans); STEG (Ph. gabriel); YAN (Andrew T.)</AU>
<AF>Canadian Heart Research Centre and Terrence Donnelly Heart Centre, Division of Cardiology, St. Michael's Hospital, University of Toronto/Toronto, Ontario/Canada (1 aut., 2 aut., 3 aut., 9 aut., 12 aut.); Postgraduate Medical School, Department of Cardiology, Grochowski Hospital/Warsaw/Pologne (4 aut.); Cardiovascular Research, Division of Medical and Radiological Sciences, The University of Edinburgh/Edinburgh/Royaume-Uni (5 aut.); Department of Medicine, University of Massachusetts Medical School/Worcester, MA/Etats-Unis (6 aut.); Coronary Care Unit, Concord Hospital/Sydney/Australie (7 aut.); Hospital Universitario La Paz/Madrid/Espagne (8 aut.); Department of Cardiovascular Medicine, University of Leuven/Leuven/Belgique (10 aut.); INSERM U-698/Paris/France (11 aut.); Université Paris 7/Paris/France (11 aut.); Assistance Publique-Hôpitaux de Paris, Centre Hospitalier Bichat-Claude Bernard/Paris/France (11 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>The American heart journal; ISSN 0002-8703; Coden AHJOA2; Etats-Unis; Da. 2011; Vol. 161; No. 5; Pp. 878-885; Bibl. 38 ref.</SO>
<LA>Anglais</LA>
<EA>Background Left ventricular hypertrophy (LVH) is frequently associated with ST depression (STD) on the electrocardiogram (ECG), a so-called strain pattern. Although STD is a well-established adverse prognosticator in non-ST-elevation acute coronary syndrome (NSTE-ACS), the relative prognostic importance of LVH and associated STD has not been elucidated. Methods A total of 7,761 patients with NSTE-ACS in the Global Registry of Acute Coronary Events (GRACE) and ACS-I registries had admission ECGs analyzed at a core laboratory. Left ventricular hypertrophy (determined by Sokolow-Lyon and/ or Casale criteria) was observed in 296 (3.8%) patients. We examined the independent association between LVH (determined by the admission ECG) and outcomes in relation to STD. Results Patients with LVH were older, had more comorbidities and STD, and presented with a higher Killip class. They were less likely to undergo cardiac catheterization (43.1% vs 51.2%, P = .006) and percutaneous coronary intervention (18.3% vs 24.6%, P= .014). Patients with LVH had higher unadjusted mortality at 6 months (10.5% vs 7.1%, P = .038), but similar rates of in-hospital mortality (4.1% vs 3.4%, P = .54) and reinfarction (7.1% vs 7.6%, P = .75). Patients with LVH were more likely to have heart failure in-hospital (21.8% vs 11.8%, P < .001). Among LVH patients, degree of quantitative STD did not predict higher short- or long-term mortality, but was associated with in-hospital heart failure. Multivariable analysis adjusting for other clinical prognosticators of the GRACE risk models revealed that LVH was not a significant independent predictor of in-hospital mortality (adjusted odds ratio = 0.75, 95% CI 0.40-1.41, P = .37) or 6-month mortality (adjusted odds ratio = 0.83, 95% CI 0.52-1.35, P = .44). In contrast, STD remained a strong independent predictor of adverse outcomes. There was no significant interaction between STD and LVH. Conclusions Across the broad spectrum of NSTE-ACS, LVH is associated with adverse prognostic factors including STD. Electrocardiographic-determined LVH provides no significant additional prognostic utility beyond comprehensive risk assessment using the GRACE risk score. The adverse prognosis associated with LVH in NSTE-ACS may be attributable to other prognosticators such as STD.</EA>
<CC>002B12A03; 002B12A05</CC>
<FD>Hypertrophie; Pathologie de l'appareil circulatoire; Pronostic; Electrocardiographie; Ventricule gauche; Sousdécalage ST; Homme; Malade; Susdécalage ST; Appareil circulatoire; Cardiologie; Syndrome coronaire aigu</FD>
<FG>Electrodiagnostic; Cardiopathie coronaire; Pathologie du myocarde</FG>
<ED>Hypertrophy; Cardiovascular disease; Prognosis; Electrocardiography; Left ventricle; ST depression; Human; Patient; ST elevation; Circulatory system; Cardiology; Acute coronary syndrome</ED>
<EG>Electrodiagnosis; Coronary heart disease; Myocardial disease</EG>
<SD>Hipertrofia; Aparato circulatorio patología; Pronóstico; Electrocardiografía; Ventrículo izquierdo; ST depresión(ECG); Hombre; Enfermo; ST elevación(ECG); Aparato circulatorio; Cardiología; Síndrome coronario agudo</SD>
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