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Heart failure screening hope

The N-BNP test, used to rule out left ventricular systolic dysfunction (LVSD), has been criticised for its poor positive predictive value in the past, but researchers at the University of Leicester have devised a way to make the test more effective.

By showing that N-BNP levels in plasma and urine are independent indicators of LVSD, the researchers conclude that the positive predictive value can be improved by using both measures, the conference heard.

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