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Public release date: 23-Oct-2012[ | E-mail |
Share ] Contact: Steve Goodyear
sgoodyear@mhif.org
612-863-1658
Minneapolis Heart Institute Foundation
MINNEAPOLIS, MNOctober 23, 2012Contrary to previous data, patients with prior open heart surgery, or coronary artery bypass graft surgery (CABG), who have a severe heart attack (STEMI) and receive a coronary stent have similar outcomes to patients without previous CABG, based on study of a large, prospective, regional STEMI network, being presented Oct. 23 at the 2012 Transcatheter Cardiovascular Therapeutics (TCT) conference.
Recognizing that the majority of data indicating worse outcomes for STEMI patients with prior CABG came from an older era of heart attack treatment, researchers at the Minneapolis Heart Institute Foundation and Minneapolis Heart Institute (MHI) at Abbott Northwestern Hospital in Minneapolis sought to assess contemporary outcomes in its regional STEMI network from April 2003 to December 2011.
"Traditionally, it is believed that patients with prior CABG are at much higher risk, are less likely to receive reperfusion therapy and have worse outcomes; thus, these patients have been frequently excluded from clinical trials," explains Timothy D. Henry, MD, an interventional cardiologist at the MHI at Abbott Northwestern and director of research with the Minneapolis Heart Institute Foundation. "As a result, there is limited contemporary data on these challenging patients, and they often didn't receive the current standard of care for STEMI, which is percutaneous coronary intervention (PCI)."
Of the 3,552 consecutive STEMI patients in the study, 7.1 percent had prior CABG. These patients were older, more frequently male and had increased prevalence of diabetes. The prior-CABG group also had lower baseline ejection fraction, lower current smoking rates and were less likely to have a lesion identified as the clear culprit of the heart attack.
"In addition, these patients frequently have abnormal baseline EKGs and challenging coronary anatomy," Dr. Henry said. "While patients with prior-CABG in this study did have a slightly lower rate of reperfusion, our reperfusion rate was still much higher compared with previous studies."
Patients in both groups had similar door-to-balloon times and both in-hospital stays (4.8 vs. 5 percent) and 30-day stays (4.8 vs. 5.7 percent) were similar. At one year, patients with prior CABG had numerically higher mortality (10.8 vs. 9 percent) which was not statistically significant.
Prior studies have suggested increased mortality in patients with prior CABG, but that "may have reflected the lower rates of reperfusion and older PCI strategies," according to the study authors.
"The outcomes of both arms are excellent and very similar, which is promising," Dr. Henry states. "The one group in whom the outcomes were slightly worsebut not statistically worsewere those prior-CABG patients in whom the saphenous vein graft was the culprit lesion for the heart attack."
Based on their findings, the researchers concluded that STEMI outcomes in patients with prior CABG, regardless of the culprit lesion, may be as good as STEMI patients overall when treated with a uniform protocol with the same rapid treatment.
"These results are another example of the benefits of a regional STEMI network, and its ability to provide more unified care," Henry states.
###
About the Minneapolis Heart Institute Foundation
The Minneapolis Heart Institute Foundation is dedicated to creating a world without heart disease through groundbreaking clinical research and innovative education programs. MHIF's mission is to promote and improve cardiovascular health, quality of life and longevity for all.
- Scientific Innovation and Research Publishing more than 120 peer-reviewed studies each year, MHIF is a recognized research leader in the broadest range of cardiovascular medicine. Each year, cardiologists and hospitals around the world adopt MHIF protocols to save lives and improve patient care.
- Education and Outreach Research shows that modifying specific health behaviors can significantly reduce the risk of developing heart disease. Through community programs, screenings and presentations, MHIF educates people of all walks of life about heart health. The goal of the Foundation's community outreach is to increase personal awareness of risk factors and provide the tools necessary to help people pursue heart- healthy lifestyles.
About the Minneapolis Heart Institute
The Minneapolis Heart Institute is recognized internationally as one of the world's leading providers of heart and vascular care. This state-of-the-art facility combines the finest in personalized patient care with sophisticated technology in a unique, family-oriented environment. The Institute's programs, a number of which are conducted in conjunction with Abbott Northwestern Hospital, address the full range of heart and vascular health needs: prevention, diagnosis, treatment and rehabilitation.
Contact:
Steve Goodyear
Minneapolis Heart Institute Foundation
612-863-1658
sgoodyear@mhif.org
http://mhif.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: 23-Oct-2012[ | E-mail |
Share ] Contact: Steve Goodyear
sgoodyear@mhif.org
612-863-1658
Minneapolis Heart Institute Foundation
MINNEAPOLIS, MNOctober 23, 2012Contrary to previous data, patients with prior open heart surgery, or coronary artery bypass graft surgery (CABG), who have a severe heart attack (STEMI) and receive a coronary stent have similar outcomes to patients without previous CABG, based on study of a large, prospective, regional STEMI network, being presented Oct. 23 at the 2012 Transcatheter Cardiovascular Therapeutics (TCT) conference.
Recognizing that the majority of data indicating worse outcomes for STEMI patients with prior CABG came from an older era of heart attack treatment, researchers at the Minneapolis Heart Institute Foundation and Minneapolis Heart Institute (MHI) at Abbott Northwestern Hospital in Minneapolis sought to assess contemporary outcomes in its regional STEMI network from April 2003 to December 2011.
"Traditionally, it is believed that patients with prior CABG are at much higher risk, are less likely to receive reperfusion therapy and have worse outcomes; thus, these patients have been frequently excluded from clinical trials," explains Timothy D. Henry, MD, an interventional cardiologist at the MHI at Abbott Northwestern and director of research with the Minneapolis Heart Institute Foundation. "As a result, there is limited contemporary data on these challenging patients, and they often didn't receive the current standard of care for STEMI, which is percutaneous coronary intervention (PCI)."
Of the 3,552 consecutive STEMI patients in the study, 7.1 percent had prior CABG. These patients were older, more frequently male and had increased prevalence of diabetes. The prior-CABG group also had lower baseline ejection fraction, lower current smoking rates and were less likely to have a lesion identified as the clear culprit of the heart attack.
"In addition, these patients frequently have abnormal baseline EKGs and challenging coronary anatomy," Dr. Henry said. "While patients with prior-CABG in this study did have a slightly lower rate of reperfusion, our reperfusion rate was still much higher compared with previous studies."
Patients in both groups had similar door-to-balloon times and both in-hospital stays (4.8 vs. 5 percent) and 30-day stays (4.8 vs. 5.7 percent) were similar. At one year, patients with prior CABG had numerically higher mortality (10.8 vs. 9 percent) which was not statistically significant.
Prior studies have suggested increased mortality in patients with prior CABG, but that "may have reflected the lower rates of reperfusion and older PCI strategies," according to the study authors.
"The outcomes of both arms are excellent and very similar, which is promising," Dr. Henry states. "The one group in whom the outcomes were slightly worsebut not statistically worsewere those prior-CABG patients in whom the saphenous vein graft was the culprit lesion for the heart attack."
Based on their findings, the researchers concluded that STEMI outcomes in patients with prior CABG, regardless of the culprit lesion, may be as good as STEMI patients overall when treated with a uniform protocol with the same rapid treatment.
"These results are another example of the benefits of a regional STEMI network, and its ability to provide more unified care," Henry states.
###
About the Minneapolis Heart Institute Foundation
The Minneapolis Heart Institute Foundation is dedicated to creating a world without heart disease through groundbreaking clinical research and innovative education programs. MHIF's mission is to promote and improve cardiovascular health, quality of life and longevity for all.
- Scientific Innovation and Research Publishing more than 120 peer-reviewed studies each year, MHIF is a recognized research leader in the broadest range of cardiovascular medicine. Each year, cardiologists and hospitals around the world adopt MHIF protocols to save lives and improve patient care.
- Education and Outreach Research shows that modifying specific health behaviors can significantly reduce the risk of developing heart disease. Through community programs, screenings and presentations, MHIF educates people of all walks of life about heart health. The goal of the Foundation's community outreach is to increase personal awareness of risk factors and provide the tools necessary to help people pursue heart- healthy lifestyles.
About the Minneapolis Heart Institute
The Minneapolis Heart Institute is recognized internationally as one of the world's leading providers of heart and vascular care. This state-of-the-art facility combines the finest in personalized patient care with sophisticated technology in a unique, family-oriented environment. The Institute's programs, a number of which are conducted in conjunction with Abbott Northwestern Hospital, address the full range of heart and vascular health needs: prevention, diagnosis, treatment and rehabilitation.
Contact:
Steve Goodyear
Minneapolis Heart Institute Foundation
612-863-1658
sgoodyear@mhif.org
http://mhif.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/2012-10/mhif-pcs101912.php
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