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PUBLIC RELEASE DATE: 31-Oct-2013
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ShareContact: Judy Romero
jromero@crg.org
Cardiovascular Research Foundation
Removing blood clots during PCI does not improve outcomes compared to standard angioplasty in patients with non-ST-elevation myocardial infarction
SAN FRANCISCO, CA OCTOBER 31, 2013 According to a new study, aspirating blood clots does not significantly reduce microvascular obstruction or reduce the risk of death in patients with non-ST-elevation myocardial infarction (NSTEMI), when compared to standard percutaneous coronary intervention (PCI) without thrombectomy.
Findings from the TATORT-NSTEMI clinical trial were presented today at the 25th annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium. Sponsored by the Cardiovascular Research Foundation (CRF), TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine.
Thrombus aspiration, or the removal of blood clots, is frequently used for patients with ST-elevation myocardial infarction (STEMI, the most serious type of heart attack). However, there are no randomized data to unequivocally support thrombectomy in patients with NSTEMI. TATORT-NSTEMI is a prospective, controlled, multicenter, randomized trial that compared adjunctive thrombectomy to conventional PCI in patients with thrombus containing lesions.
The trial randomized 460 patients in a 1:1 fashion to thrombectomy and standard PCI. The primary endpoint was the extent of microvascular obstruction assessed by cardiac magnetic resonance (CMR) within four days after randomization and measured by the percentage of the left ventricle (LV). Clinical endpoints including death, myocardial reinfarction, target vessel revascularization and new congestive heart failure were analyzed at six months.
Microvascular obstruction was not different between the thrombectomy and standard PCI groups (1.7 percent LV vs. 1.6 percent LV, respectively, p=0.65).
Similarly, no significant differences were observed in infarct size, myocardial salvage index, or angiographic parameters such as blush grade or TIMI flow grade.
Clinical follow up at six months also revealed no differences in the combined clinical endpoint between the thrombectomy and the standard PCI group (p=0.85).
"TATORT-NSTEMI is the first randomized trial in NSTEMI testing the efficacy of additional manual aspiration thrombectomy," said lead investigator Holger Thiele, MD. Dr. Thiele is Deputy Director of the University of Leipzig Heart Center in Leipzig, Germany.
"Aspiration thrombectomy in patients with NSTEMI undergoing early PCI in thrombus containing lesions does not reduce the extent of no-reflow in comparison to standard PCI without thrombectomy."
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The TATORT-NSTEMI trial was funded by unrestricted grants from Terumo Europe and Lilly Germany. Dr. Thiele reported research funding from Terumo Europe, Lilly Germany, Maquet Cardiovascular and Teleflex Medical.
About CRF and TCT
The Cardiovascular Research Foundation (CRF) is an independent, academically focused nonprofit organization dedicated to improving the survival and quality of life for people with cardiovascular disease through research and education. Since its inception in 1991, CRF has played a major role in realizing dramatic improvements in the lives of countless numbers of patients by establishing the safe use of new technologies and therapies in interventional cardiovascular medicine. CRF is the sponsor of the Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium. Celebrating its 25th anniversary this year, TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine. For more information, visit http://www.crf.org and http://www.tctconference.com.
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
PUBLIC RELEASE DATE: 31-Oct-2013
[
]
ShareContact: Judy Romero
jromero@crg.org
Cardiovascular Research Foundation
Removing blood clots during PCI does not improve outcomes compared to standard angioplasty in patients with non-ST-elevation myocardial infarction
SAN FRANCISCO, CA OCTOBER 31, 2013 According to a new study, aspirating blood clots does not significantly reduce microvascular obstruction or reduce the risk of death in patients with non-ST-elevation myocardial infarction (NSTEMI), when compared to standard percutaneous coronary intervention (PCI) without thrombectomy.
Findings from the TATORT-NSTEMI clinical trial were presented today at the 25th annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium. Sponsored by the Cardiovascular Research Foundation (CRF), TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine.
Thrombus aspiration, or the removal of blood clots, is frequently used for patients with ST-elevation myocardial infarction (STEMI, the most serious type of heart attack). However, there are no randomized data to unequivocally support thrombectomy in patients with NSTEMI. TATORT-NSTEMI is a prospective, controlled, multicenter, randomized trial that compared adjunctive thrombectomy to conventional PCI in patients with thrombus containing lesions.
The trial randomized 460 patients in a 1:1 fashion to thrombectomy and standard PCI. The primary endpoint was the extent of microvascular obstruction assessed by cardiac magnetic resonance (CMR) within four days after randomization and measured by the percentage of the left ventricle (LV). Clinical endpoints including death, myocardial reinfarction, target vessel revascularization and new congestive heart failure were analyzed at six months.
Microvascular obstruction was not different between the thrombectomy and standard PCI groups (1.7 percent LV vs. 1.6 percent LV, respectively, p=0.65).
Similarly, no significant differences were observed in infarct size, myocardial salvage index, or angiographic parameters such as blush grade or TIMI flow grade.
Clinical follow up at six months also revealed no differences in the combined clinical endpoint between the thrombectomy and the standard PCI group (p=0.85).
"TATORT-NSTEMI is the first randomized trial in NSTEMI testing the efficacy of additional manual aspiration thrombectomy," said lead investigator Holger Thiele, MD. Dr. Thiele is Deputy Director of the University of Leipzig Heart Center in Leipzig, Germany.
"Aspiration thrombectomy in patients with NSTEMI undergoing early PCI in thrombus containing lesions does not reduce the extent of no-reflow in comparison to standard PCI without thrombectomy."
###
The TATORT-NSTEMI trial was funded by unrestricted grants from Terumo Europe and Lilly Germany. Dr. Thiele reported research funding from Terumo Europe, Lilly Germany, Maquet Cardiovascular and Teleflex Medical.
About CRF and TCT
The Cardiovascular Research Foundation (CRF) is an independent, academically focused nonprofit organization dedicated to improving the survival and quality of life for people with cardiovascular disease through research and education. Since its inception in 1991, CRF has played a major role in realizing dramatic improvements in the lives of countless numbers of patients by establishing the safe use of new technologies and therapies in interventional cardiovascular medicine. CRF is the sponsor of the Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium. Celebrating its 25th anniversary this year, TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine. For more information, visit http://www.crf.org and http://www.tctconference.com.
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Share]
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2013-10/crf-rot_6103113.php
Category: Cressida Bonas Gareth Bale catherine zeta jones
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