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Deaths following heart bypass surgery (CABG), AHRQ

Heart bypass surgery, also known as coronary artery bypass graft (CABG) surgery, creates a detour or bypass around the blocked or diseased portion of the coronary artery using an artery or vein from a different part of the body to restore the blood supply to the heart muscle.

Performing a CABG surgery requires proficiency, which may help to prevent serious complications, such as heart attack, stroke and death. While some patients have higher risks than others, some of these complications may be preventable. A lower death rate may indicate that a hospital provides a higher level of care.

About this measure

Mortality is the statistical measure of the percentage of people who die. This measure tracks the percentage of patients who had a CABG surgery; either an isolated CABG or a CABG in conjunction with any other cardiac surgeries, and died.

The source of data for NMH is Vizient. The source of benchmark data is the Agency for Healthcare Research and Quality.

Note: In this case, a lower number is better.