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Public release date: 10-Nov-2011[ | E-mail |
Share ] Contact: Judy Romero
jromero@crf.org
Cardiovascular Research Foundation
2-year study of transcatheter aortic valve replacement demonstrates continued superiority over standard therapy
SAN FRANCISCO, CA NOVEMBER 10, 2011 A two-year study of patients in the landmark PARTNER trial, which compared transcatheter aortic valve replacement (TAVR) in patients who have severe aortic stenosis and are not candidates for open heart surgery, confirm the one-year findings and support the role of TAVR as the standard of care.
Trial results were presented today at the 23rd annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium, sponsored by the Cardiovascular Research Foundation.
Cohort B of the PARTNER trial those patients with severe aortic stenosis who were not candidates for surgery - randomized 358 patients to transfemoral TAVR with an early generation balloon-expandable bovine pericardial valve or standard therapy (ST, including balloon valvuloplasty) at 21 centers, emphasizing a multi-disciplinary heart team approach.
The primary end point was death from any cause at one year and secondary endpoints included symptom status, serial echo assessments (core lab) and early/late adverse events (e.g. strokes).
After two years, the rate of all cause mortality was 18.2% in the TAVR group and 35.1% in the standard therapy group. The rate of cardiovascular mortality was 13.2% in the TAVR group and 32.1% in the standard therapy group.
The rate of repeat hospitalization was 35.0% in the TAVR group and 72.5% in the standard therapy group.
The rate of stroke at two years was higher 13.8% in the TAVR group and 5.5% in the standard therapy group.
"At two years, in patients with symptomatic severe aortic stenosis who are not suitable candidates for surgery, TAVR remained superior to standard therapy with incremental benefit from one to two years markedly reducing the rates of all cause mortality, cardiovascular mortality and repeat hospitalization," said Raj R. Makkar, MD, the principal site investigator for the PARTNER trial. Dr. Makkar is Director of Interventional Cardiology and the Cardiac Catheterization Laboratory at Cedars-Sinai Medical Center and Associate Director of the Cedars- Sinai Heart Institute
"There were more neurologic events in TAVR patients compared to standard therapy (16.2% vs. 5.5%; p = 0.003) with five new events (three strokes and two TIAs) between 1-2 years in TAVR patients. After 30 days, differences in stroke frequency were largely due to increased hemorrhagic strokes in TAVR patients." Dr. Makkar said.
"Two year data continues to support the role of TAVR as the standard-of-care for symptomatic patients with aortic stenosis who are not surgical candidates," said Dr. Makkar.
"The ultimate value of TAVR in 'inoperable' patients will depend on careful selection of patients who are not surgical candidates, and yet do not have extreme co-morbidities that overwhelm the benefits of TAVR."
###
The PARTNER trial was funded by Edwards Lifesciences, Inc. Dr. Makkar reported consulting fees, grant support and lecture fees from Medtronic, equity from Entourage Medical Technologies and grant support from St Jude 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, drugs and therapies in interventional cardiovascular medicine.Transcatheter Cardiovascular Therapeutics (TCT) is the annual scientific symposium of the Cardiovascular Research Foundation. TCT gathers leading medical researchers and clinicians from around the world to present and discuss the latest developments in the field.
For more information, visit www.crf.org.
[ | E-mail | 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.
Public release date: 10-Nov-2011[ | E-mail |
Share ] Contact: Judy Romero
jromero@crf.org
Cardiovascular Research Foundation
2-year study of transcatheter aortic valve replacement demonstrates continued superiority over standard therapy
SAN FRANCISCO, CA NOVEMBER 10, 2011 A two-year study of patients in the landmark PARTNER trial, which compared transcatheter aortic valve replacement (TAVR) in patients who have severe aortic stenosis and are not candidates for open heart surgery, confirm the one-year findings and support the role of TAVR as the standard of care.
Trial results were presented today at the 23rd annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium, sponsored by the Cardiovascular Research Foundation.
Cohort B of the PARTNER trial those patients with severe aortic stenosis who were not candidates for surgery - randomized 358 patients to transfemoral TAVR with an early generation balloon-expandable bovine pericardial valve or standard therapy (ST, including balloon valvuloplasty) at 21 centers, emphasizing a multi-disciplinary heart team approach.
The primary end point was death from any cause at one year and secondary endpoints included symptom status, serial echo assessments (core lab) and early/late adverse events (e.g. strokes).
After two years, the rate of all cause mortality was 18.2% in the TAVR group and 35.1% in the standard therapy group. The rate of cardiovascular mortality was 13.2% in the TAVR group and 32.1% in the standard therapy group.
The rate of repeat hospitalization was 35.0% in the TAVR group and 72.5% in the standard therapy group.
The rate of stroke at two years was higher 13.8% in the TAVR group and 5.5% in the standard therapy group.
"At two years, in patients with symptomatic severe aortic stenosis who are not suitable candidates for surgery, TAVR remained superior to standard therapy with incremental benefit from one to two years markedly reducing the rates of all cause mortality, cardiovascular mortality and repeat hospitalization," said Raj R. Makkar, MD, the principal site investigator for the PARTNER trial. Dr. Makkar is Director of Interventional Cardiology and the Cardiac Catheterization Laboratory at Cedars-Sinai Medical Center and Associate Director of the Cedars- Sinai Heart Institute
"There were more neurologic events in TAVR patients compared to standard therapy (16.2% vs. 5.5%; p = 0.003) with five new events (three strokes and two TIAs) between 1-2 years in TAVR patients. After 30 days, differences in stroke frequency were largely due to increased hemorrhagic strokes in TAVR patients." Dr. Makkar said.
"Two year data continues to support the role of TAVR as the standard-of-care for symptomatic patients with aortic stenosis who are not surgical candidates," said Dr. Makkar.
"The ultimate value of TAVR in 'inoperable' patients will depend on careful selection of patients who are not surgical candidates, and yet do not have extreme co-morbidities that overwhelm the benefits of TAVR."
###
The PARTNER trial was funded by Edwards Lifesciences, Inc. Dr. Makkar reported consulting fees, grant support and lecture fees from Medtronic, equity from Entourage Medical Technologies and grant support from St Jude 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, drugs and therapies in interventional cardiovascular medicine.Transcatheter Cardiovascular Therapeutics (TCT) is the annual scientific symposium of the Cardiovascular Research Foundation. TCT gathers leading medical researchers and clinicians from around the world to present and discuss the latest developments in the field.
For more information, visit www.crf.org.
[ | E-mail | 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/2011-11/crf-rot111011.php
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