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Surviving High-risk Cardiovascular Surgery at the Bluhm Cardiovascular Institute - Better than National Odds

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August 14, 2011

Chicago -

Medicare population survival rates show sharp increase according to an article in the New England Journal of Medicine.

Results from a recent article in the New England Journal of Medicine show that the odds of a Medicare patient surviving one of eight high-risk surgeries has increased sharply. This is good news for the estimated 45 million Medicare recipients, but even better for those Medicare recipients that undergo these surgeries at Northwestern’s Bluhm Cardiovascular Institute as our survival rates for these cardiovascular surgeries are better than the national odds.

Of the eight high-risk surgeries that were studied in the article, four are cardiovascular surgeries. The information below compares the national operative mortality rates for these surgeries to operative mortality rates at the Bluhm Cardiovascular Institute. Operative mortality is defined as death within 30 days of the surgery or death before discharge from the hospital.

Abdominal Aortic Aneurysm (AAA) Repair

The most recent Medicare data shows that operative mortality for abdominal aortic aneurysm repair has dropped to 2.8 percent in the United States. At the Bluhm Cardiovascular Institute operative mortality has been 1.9 percent over the last 5 years (2004-2008).

Isolated AAA Operative Mortality
Figure 1: Source- Northwestern Memorial Hospital (NMH) and New England Journal of Medicine (NEJM). NMH data is non risk-adjusted and includes patients aged 65-99. NEJM data is risk-adjusted and includes Medicare only patients. All data excludes rupture of the aneurysm, the presence of a thoraco-abdominal aneurysm, or both.

Aortic Valve Replacement

The most recent Medicare data shows that operative mortality for aortic valve replacement repair has dropped to 6.6 percent in the United States. At the Bluhm Cardiovascular Institute operative mortality has been 0.7 percent over the last 5 years (2004 - 2008).

Isolated AVR Operative Mortality
Figure 2: Source- Northwestern Memorial Hospital (NMH) and New England Journal of Medicine (NEJM). NMH data is non risk-adjusted and includes patients aged 65-99. NEJM data is risk-adjusted and includes Medicare only patients.

Carotid Endarterectomy (CEA)

The most recent Medicare data shows that operative mortality for carotid endarterectomy repair has dropped to 1.2 percent in the United States. At the Bluhm Cardiovascular Institute operative mortality has been 0.8 percent over the last 5 years (2004 - 2008).

Isolated CEA Operative Mortality
Figure 3: Source- Northwestern Memorial Hospital (NMH) and New England Journal of Medicine (NEJM). NMH data is non risk-adjusted and includes patients aged 65-99. NEJM data is risk-adjusted and includes Medicare only patients.

Coronary Artery Bypass Grafting (CABG)

The most recent Medicare data shows that operative mortality for coronary artery bypass grafting repair has dropped to 3.4 percent in the United States. At the Bluhm Cardiovascular Institute operative mortality has been 0.8 percent over the last 5 years (2004 - 2008).

Isolated CABG Operative Mortality
Figure 4: Source- Northwestern Memorial Hospital (NMH) and New England Journal of Medicine (NEJM). NMH data is non risk-adjusted and includes patients aged 65-99. NEJM data is risk-adjusted and includes Medicare only patients. All data excludes cases that had a simultaneous valve repair or replacement.

 

Media Contact:

Todd Medland
Senior Associate
Northwestern Memorial Hospital
312-926-0735
tmedland@nmh.org

Last UpdateAugust 31, 2011
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