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Heart Procedure Complications Reduced With Simple Tool

Allina Health (

November 5, 2014

Every year in the U.S., 600,000 heart procedures are performed by threading thin tubes through patients' arteries to access their hearts. Percutaneous coronary intervention - or PCI - is an alternative to open heart surgery for many common heart problems.

But bleeding from the insertion site from blood thinners used during the procedure is a common complication of PCI, occurring two to six percent of the time.

"That might not sound serious, but bleeding is associated with adverse events, including death," said Craig Strauss, MD, MPH, a cardiologist with Minneapolis Heart Institute at Abbott Northwestern Hospital and researcher with the Minneapolis Heart Institute Foundation.

Based on data from the National Cardiovascular Data Registry (NCDR) Cath-PCI Registry, a screening tool was developed that calculates a patient's bleeding risk based on nine clinical variables. When high-risk patients are identified before their procedures, strategies to avoid bleeding can be put in place to use afterward.

But Strauss says the screening tool is not widely used. So, he and cardiologists from other Allina Health hospitals including United Heart and Vascular Clinic at United in St. Paul, Minn. and Metropolitan Heart and Vascular Institute at Mercy in Coon Rapids, Minn. worked together to improve their respective PCI complication rates.

Data collection and analysis were simplified because the hospitals have a unified electronic medical record and participate in NCDR.

Researchers looked at data from all their PCI patients from July 1, 2009, to December 31, 2011. Retrospectively, they verified the NCDR's screening tool's ability to predict patients with high, intermediate and low bleeding risks.

Based on the bleeding risk tool, they created a data dashboard for all Allina Health cardiac catheterization staff to use before PCI procedures. They also held learning sessions about the importance and benefits of using the tool.

Within one month, more than 75 percent of patients were being screened before procedures, resulting in a 5.3 percent decrease in all post-procedure complications, including the need for blood transfusions.

Strauss says achieving these improvements should lead to significant reductions including costs associated with hospital readmissions. The American Heart Association published the study in Circulation: Cardiovascular Quality Outcomes.

About the Minneapolis Heart Institute Foundation
The Minneapolis Heart Institute Foundation is dedicated to creating a world without heart disease through groundbreaking clinical and population health research and community outreach. MHIF's mission is to improve people's lives through the highest quality cardiovascular research and education.

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 cardiovascular disease. As part of its mission, the Minneapolis Heart Institute Foundation has been involved in cutting-edge, transformative population health research to connect, engage, inform and empower individuals and communities to improve their health.
About Allina Health
Allina Health is dedicated to the prevention and treatment of illness and enhancing the greater health of individuals, families and communities throughout Minnesota and western Wisconsin. A not-for-profit health care system, Allina Health cares for patients from beginning to end-of-life through its 90+ clinics, 12 hospitals, 15 pharmacies, specialty care centers and specialty medical services that provide home care, senior transitions, hospice care, home oxygen and medical equipment, and emergency medical transportation services. For more information about Allina Health, visit our website at and join us on Facebook and Twitter.

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