Aortic Valve Replacement 
Aortic valve replacement is a surgery to remove and replace the aortic valve with a new valve implant. The Leapfrog measures include procedure volumes, that is, how many procedures of a given type a hospital performs. Leapfrog emphasizes volume measures because studies have shown that providers who perform a high volume tend to have better outcomes. This is a measure of how close each hosptial is to meeting The Leapfrog Group's volume and quality standard for aortic valve replacement.
Reporting Period:
As of July 1 2009
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n: Sample size of patient population measured
N: Total patient population measured (not a sample)
Use caution when drawing conclusions for providers/organizations that have a small sample size
(generally considered 25 cases or less).
Disclaimer: Measures reported by WCHQ healthcare
organizations represent a specific aspect of care in relation to an
evidence-based standard, but are not clinical guidelines and do not establish
standards of care.
