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Randomized trial of percutaneous coronary intervention for subacute infarct-related coronary artery occlusion to achieve long-term patency and improve ventricular function : The total occlusion study of Canada (TOSCA)-2 trial

In the present study, we sought to determine whether opening a persistently occluded infarct-related artery (IRA) by percutaneous coronary intervention (PCI) in patients beyond the acute phase of myocardial infarction (MI) improves patency and indices of left ventricular (LV) size and function. Betw...

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Published in:Circulation (New York, N.Y.) N.Y.), 2006-12, Vol.114 (23), p.2449-2457
Main Authors: DZAVIK, Vladimir, BULLER, Christopher E, THOMAS, Boban, BUSZMAN, Pawel, VOZZI, Carlos, GLANZ, Anthony, COHEN, Eric A, MECIAR, Peter, DEVLIN, Gerald, MASCETTE, Alice, SOPKO, George, KNATTERUD, Genell L, LAMAS, Gervasio A, HOCHMAN, Judith S, RANKIN, James M, MANCINI, G. B. John, CANTOR, Warren J, CARERE, Ronald J, ROSS, John R, ATCHISON, Deborah, FORMAN, Sandra
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container_issue 23
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container_title Circulation (New York, N.Y.)
container_volume 114
creator DZAVIK, Vladimir
BULLER, Christopher E
THOMAS, Boban
BUSZMAN, Pawel
VOZZI, Carlos
GLANZ, Anthony
COHEN, Eric A
MECIAR, Peter
DEVLIN, Gerald
MASCETTE, Alice
SOPKO, George
KNATTERUD, Genell L
LAMAS, Gervasio A
HOCHMAN, Judith S
RANKIN, James M
MANCINI, G. B. John
CANTOR, Warren J
CARERE, Ronald J
ROSS, John R
ATCHISON, Deborah
FORMAN, Sandra
description In the present study, we sought to determine whether opening a persistently occluded infarct-related artery (IRA) by percutaneous coronary intervention (PCI) in patients beyond the acute phase of myocardial infarction (MI) improves patency and indices of left ventricular (LV) size and function. Between May 2000 and July 2005, 381 patients with an occluded native IRA 3 to 28 days after MI (median 10 days) were randomized to PCI with stenting (PCI) or optimal medical therapy alone. Repeat coronary and LV angiography was performed 1 year after randomization (n=332, 87%). Coprimary end points were IRA patency and change in LV ejection fraction. Secondary end points included change in LV end-systolic and end-diastolic volume indices and wall motion. PCI was successful in 92%. At 1 year, 83% of PCI versus 25% of medical therapy-only patients had a patent IRA (P
doi_str_mv 10.1161/CIRCULATIONAHA.106.669432
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B. John ; CANTOR, Warren J ; CARERE, Ronald J ; ROSS, John R ; ATCHISON, Deborah ; FORMAN, Sandra</creator><creatorcontrib>DZAVIK, Vladimir ; BULLER, Christopher E ; THOMAS, Boban ; BUSZMAN, Pawel ; VOZZI, Carlos ; GLANZ, Anthony ; COHEN, Eric A ; MECIAR, Peter ; DEVLIN, Gerald ; MASCETTE, Alice ; SOPKO, George ; KNATTERUD, Genell L ; LAMAS, Gervasio A ; HOCHMAN, Judith S ; RANKIN, James M ; MANCINI, G. B. John ; CANTOR, Warren J ; CARERE, Ronald J ; ROSS, John R ; ATCHISON, Deborah ; FORMAN, Sandra ; TOSCA-2 Investigators</creatorcontrib><description>In the present study, we sought to determine whether opening a persistently occluded infarct-related artery (IRA) by percutaneous coronary intervention (PCI) in patients beyond the acute phase of myocardial infarction (MI) improves patency and indices of left ventricular (LV) size and function. Between May 2000 and July 2005, 381 patients with an occluded native IRA 3 to 28 days after MI (median 10 days) were randomized to PCI with stenting (PCI) or optimal medical therapy alone. Repeat coronary and LV angiography was performed 1 year after randomization (n=332, 87%). Coprimary end points were IRA patency and change in LV ejection fraction. Secondary end points included change in LV end-systolic and end-diastolic volume indices and wall motion. PCI was successful in 92%. At 1 year, 83% of PCI versus 25% of medical therapy-only patients had a patent IRA (P&lt;0.001). LV ejection fraction increased significantly (P&lt;0.001) in both groups, with no between-group difference: PCI 4.2+/-8.9 (n=150) versus medical therapy 3.5+/-8.2 (n=136; P=0.47). Median change (interquartile range) in LV end-systolic volume index was -0.5 (-9.3 to 5.0) versus 1.0 (-5.7 to 7.3) mL/m2 (P=0.10), whereas median change (interquartile range) in LV end-diastolic volume index was 3.2 (-8.2 to 13.3) versus 5.3 (-4.6 to 23.2) mL/m2 (P=0.07) in the PCI (n=86) and medical therapy-only (n=76) groups, respectively. PCI with stenting of a persistently occluded IRA in the subacute phase after MI effectively maintains long-term patency but has no effect on LV ejection fraction. On the basis of these findings and the lack of clinical benefit in the main Occluded Artery Trial, routine PCI is not recommended for stable patients with a persistently occluded IRA after MI.</description><identifier>ISSN: 0009-7322</identifier><identifier>EISSN: 1524-4539</identifier><identifier>DOI: 10.1161/CIRCULATIONAHA.106.669432</identifier><identifier>PMID: 17105848</identifier><identifier>CODEN: CIRCAZ</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott Williams &amp; Wilkins</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Angioplasty, Balloon, Coronary - methods ; Biological and medical sciences ; Blood and lymphatic vessels ; Canada ; Cardiology. Vascular system ; Cardiovascular system ; Coronary Artery Disease - etiology ; Coronary Artery Disease - physiopathology ; Coronary Artery Disease - therapy ; Coronary heart disease ; Disease Progression ; Diseases of the peripheral vessels. Diseases of the vena cava. Miscellaneous ; Endpoint Determination ; Female ; Heart ; Humans ; Male ; Medical sciences ; Middle Aged ; Myocardial Infarction - complications ; Myocardial Infarction - physiopathology ; Myocardial Infarction - therapy ; Myocardial Revascularization ; Pharmacology. Drug treatments ; Stents ; Stroke Volume - physiology ; Treatment Outcome ; Vascular Patency - physiology ; Vasodilator agents. 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B. John</creatorcontrib><creatorcontrib>CANTOR, Warren J</creatorcontrib><creatorcontrib>CARERE, Ronald J</creatorcontrib><creatorcontrib>ROSS, John R</creatorcontrib><creatorcontrib>ATCHISON, Deborah</creatorcontrib><creatorcontrib>FORMAN, Sandra</creatorcontrib><creatorcontrib>TOSCA-2 Investigators</creatorcontrib><title>Randomized trial of percutaneous coronary intervention for subacute infarct-related coronary artery occlusion to achieve long-term patency and improve ventricular function : The total occlusion study of Canada (TOSCA)-2 trial</title><title>Circulation (New York, N.Y.)</title><addtitle>Circulation</addtitle><description>In the present study, we sought to determine whether opening a persistently occluded infarct-related artery (IRA) by percutaneous coronary intervention (PCI) in patients beyond the acute phase of myocardial infarction (MI) improves patency and indices of left ventricular (LV) size and function. 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Vascular system</subject><subject>Cardiovascular system</subject><subject>Coronary Artery Disease - etiology</subject><subject>Coronary Artery Disease - physiopathology</subject><subject>Coronary Artery Disease - therapy</subject><subject>Coronary heart disease</subject><subject>Disease Progression</subject><subject>Diseases of the peripheral vessels. Diseases of the vena cava. Miscellaneous</subject><subject>Endpoint Determination</subject><subject>Female</subject><subject>Heart</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Myocardial Infarction - complications</subject><subject>Myocardial Infarction - physiopathology</subject><subject>Myocardial Infarction - therapy</subject><subject>Myocardial Revascularization</subject><subject>Pharmacology. 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Between May 2000 and July 2005, 381 patients with an occluded native IRA 3 to 28 days after MI (median 10 days) were randomized to PCI with stenting (PCI) or optimal medical therapy alone. Repeat coronary and LV angiography was performed 1 year after randomization (n=332, 87%). Coprimary end points were IRA patency and change in LV ejection fraction. Secondary end points included change in LV end-systolic and end-diastolic volume indices and wall motion. PCI was successful in 92%. At 1 year, 83% of PCI versus 25% of medical therapy-only patients had a patent IRA (P&lt;0.001). LV ejection fraction increased significantly (P&lt;0.001) in both groups, with no between-group difference: PCI 4.2+/-8.9 (n=150) versus medical therapy 3.5+/-8.2 (n=136; P=0.47). Median change (interquartile range) in LV end-systolic volume index was -0.5 (-9.3 to 5.0) versus 1.0 (-5.7 to 7.3) mL/m2 (P=0.10), whereas median change (interquartile range) in LV end-diastolic volume index was 3.2 (-8.2 to 13.3) versus 5.3 (-4.6 to 23.2) mL/m2 (P=0.07) in the PCI (n=86) and medical therapy-only (n=76) groups, respectively. PCI with stenting of a persistently occluded IRA in the subacute phase after MI effectively maintains long-term patency but has no effect on LV ejection fraction. On the basis of these findings and the lack of clinical benefit in the main Occluded Artery Trial, routine PCI is not recommended for stable patients with a persistently occluded IRA after MI.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams &amp; Wilkins</pub><pmid>17105848</pmid><doi>10.1161/CIRCULATIONAHA.106.669432</doi><tpages>9</tpages></addata></record>
fulltext fulltext
identifier ISSN: 0009-7322
ispartof Circulation (New York, N.Y.), 2006-12, Vol.114 (23), p.2449-2457
issn 0009-7322
1524-4539
language eng
recordid cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_2785021
source EZB Electronic Journals Library
subjects Adult
Aged
Aged, 80 and over
Angioplasty, Balloon, Coronary - methods
Biological and medical sciences
Blood and lymphatic vessels
Canada
Cardiology. Vascular system
Cardiovascular system
Coronary Artery Disease - etiology
Coronary Artery Disease - physiopathology
Coronary Artery Disease - therapy
Coronary heart disease
Disease Progression
Diseases of the peripheral vessels. Diseases of the vena cava. Miscellaneous
Endpoint Determination
Female
Heart
Humans
Male
Medical sciences
Middle Aged
Myocardial Infarction - complications
Myocardial Infarction - physiopathology
Myocardial Infarction - therapy
Myocardial Revascularization
Pharmacology. Drug treatments
Stents
Stroke Volume - physiology
Treatment Outcome
Vascular Patency - physiology
Vasodilator agents. Cerebral vasodilators
Ventricular Function, Left - physiology
title Randomized trial of percutaneous coronary intervention for subacute infarct-related coronary artery occlusion to achieve long-term patency and improve ventricular function : The total occlusion study of Canada (TOSCA)-2 trial
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