Left ventricular function and cardiovascular events following adjuvant therapy with adenosine in acute myocardial infarction treated with thrombolysis, results of the ATTenuation by Adenosine of Cardiac Complications (ATTACC) study
BACKGROUND: Reperfusion therapy for acute myocardial infarction (AMI) reduces mortality but is also associated with reperfusion injury. The present study tested the hypothesis that adjuvant therapy with a low anti-inflammatory dose of adenosine might prevent reperfusion injury and preserve left ventricular function.
METHODS: Six hundred and eight patients with ST-elevation AMI were randomised to receive infusions of adenosine (10 microg x kg(-1) x min(-1)) or placebo (saline) to be started with thrombolysis and maintained for 6 h. The primary endpoint was global and regional left ventricular systolic and diastolic function, as assessed by two-dimensional and Doppler echocardiography before hospital discharge. The secondary end-point was all cause and cardiovascular mortality, and non-fatal myocardial infarction during 12 months of follow-up.
RESULTS: No beneficial effect of adenosine was found regarding echocardiographic indices of left ventricular systolic or diastolic function. Recruitment was stopped due to this apparent lack of effect after an interim analysis. However, after 12 months of follow-up, cardiovascular mortality was 8.9% with adenosine and 12.1% with placebo treatment [odds ratio (OR) 0.71, 95% confidence interval (C.I.) 0.4-1.2, P=0.2] among all patients and 8.4% vs 14.6% (OR 0.53, 95% C.I. 0.23-1.24, P=0.09) among patients with anterior AMI. All cause mortality differed similarly. Non-fatal AMI was not reduced similarly by adenosine treatment. Survival curves indicate that possible survival benefits are maintained after the first year of follow-up.
CONCLUSIONS: Adenosine, given as adjunctive treatment with thrombolysis, did not provide detectable improvement of echocardiographic indices of left ventricular function when assessed before hospital discharge. Cardiovascular and all cause mortality appear to have been reduced by low-dose adenosine treatment, and the size of the effect appears to be clinically relevant (absolute risk reductions of approximately 4%). The power of the study regarding morbidity and mortality was, however, limited. The results are compatible with a beneficial anti-inflammatory effect of adenosine treatment on reperfusion injury after thrombolysis, which may be mediated by inhibition of leukocytes in peripheral blood. A larger trial is warranted to possibly establish beneficial effects of low-dose adenosine on survival after thrombolysis.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2003 |
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| Erschienen: |
2003 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:59 |
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| Enthalten in: |
European journal of clinical pharmacology - 59(2003), 1 vom: 08. Mai, Seite 1-9 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Quintana, Miguel [VerfasserIn] |
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| Anmerkungen: |
Date Completed 01.10.2003 Date Revised 13.11.2018 published: Print-Electronic Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM125119933 |
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| 041 | |a eng | ||
| 100 | 1 | |a Quintana, Miguel |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Left ventricular function and cardiovascular events following adjuvant therapy with adenosine in acute myocardial infarction treated with thrombolysis, results of the ATTenuation by Adenosine of Cardiac Complications (ATTACC) study |
| 264 | 1 | |c 2003 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ohne Hilfsmittel zu benutzen |b n |2 rdamedia | ||
| 338 | |a Band |b nc |2 rdacarrier | ||
| 500 | |a Date Completed 01.10.2003 | ||
| 500 | |a Date Revised 13.11.2018 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Reperfusion therapy for acute myocardial infarction (AMI) reduces mortality but is also associated with reperfusion injury. The present study tested the hypothesis that adjuvant therapy with a low anti-inflammatory dose of adenosine might prevent reperfusion injury and preserve left ventricular function | ||
| 520 | |a METHODS: Six hundred and eight patients with ST-elevation AMI were randomised to receive infusions of adenosine (10 microg x kg(-1) x min(-1)) or placebo (saline) to be started with thrombolysis and maintained for 6 h. The primary endpoint was global and regional left ventricular systolic and diastolic function, as assessed by two-dimensional and Doppler echocardiography before hospital discharge. The secondary end-point was all cause and cardiovascular mortality, and non-fatal myocardial infarction during 12 months of follow-up | ||
| 520 | |a RESULTS: No beneficial effect of adenosine was found regarding echocardiographic indices of left ventricular systolic or diastolic function. Recruitment was stopped due to this apparent lack of effect after an interim analysis. However, after 12 months of follow-up, cardiovascular mortality was 8.9% with adenosine and 12.1% with placebo treatment [odds ratio (OR) 0.71, 95% confidence interval (C.I.) 0.4-1.2, P=0.2] among all patients and 8.4% vs 14.6% (OR 0.53, 95% C.I. 0.23-1.24, P=0.09) among patients with anterior AMI. All cause mortality differed similarly. Non-fatal AMI was not reduced similarly by adenosine treatment. Survival curves indicate that possible survival benefits are maintained after the first year of follow-up | ||
| 520 | |a CONCLUSIONS: Adenosine, given as adjunctive treatment with thrombolysis, did not provide detectable improvement of echocardiographic indices of left ventricular function when assessed before hospital discharge. Cardiovascular and all cause mortality appear to have been reduced by low-dose adenosine treatment, and the size of the effect appears to be clinically relevant (absolute risk reductions of approximately 4%). The power of the study regarding morbidity and mortality was, however, limited. The results are compatible with a beneficial anti-inflammatory effect of adenosine treatment on reperfusion injury after thrombolysis, which may be mediated by inhibition of leukocytes in peripheral blood. A larger trial is warranted to possibly establish beneficial effects of low-dose adenosine on survival after thrombolysis | ||
| 650 | 4 | |a Clinical Trial | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Multicenter Study | |
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Cardiotonic Agents |2 NLM | |
| 650 | 7 | |a Recombinant Proteins |2 NLM | |
| 650 | 7 | |a Streptokinase |2 NLM | |
| 650 | 7 | |a EC 3.4.- |2 NLM | |
| 650 | 7 | |a Tissue Plasminogen Activator |2 NLM | |
| 650 | 7 | |a EC 3.4.21.68 |2 NLM | |
| 650 | 7 | |a Adenosine |2 NLM | |
| 650 | 7 | |a K72T3FS567 |2 NLM | |
| 700 | 1 | |a Hjemdahl, Paul |e verfasserin |4 aut | |
| 700 | 1 | |a Sollevi, Alf |e verfasserin |4 aut | |
| 700 | 1 | |a Kahan, Thomas |e verfasserin |4 aut | |
| 700 | 1 | |a Edner, Magnus |e verfasserin |4 aut | |
| 700 | 1 | |a Rehnqvist, Nina |e verfasserin |4 aut | |
| 700 | 1 | |a Swahn, Eva |e verfasserin |4 aut | |
| 700 | 1 | |a Kjerr, Ann-Catrin |e verfasserin |4 aut | |
| 700 | 1 | |a Näsman, Per |e verfasserin |4 aut | |
| 700 | 0 | |a ATTACC investigators |e verfasserin |4 aut | |
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