What does nt-proBNP test for?
A BNP test or an NT-proBNP test is most often used to diagnose or rule out heart failure. If you’ve already been diagnosed with heart failure, the test may be used to: Find out the severity of the condition. Plan treatment.
What does it mean if your NT-proBNP is high?
What does it mean if your NT-proBNP result is too high? Higher-than-normal results suggest that you have some degree of heart failure, and the level of NT-proBNP in the blood may be related to its severity. Higher levels of NT-proBNP are often associated with an increased need for aggressive therapy.
Do you need to fast for NT-proBNP?
BNP and NT-proBNP are measured as a simple blood test to help diagnose and monitor heart failure. BNP and NT-proBNP test results provide different values. At Cleveland Clinic, doctors rely mostly on NT-proBNP testing to monitor patients with heart failure. You do not need to fast or do anything to prepare for the test.
How is NT-proBNP test done?
The BNP or NT-proBNP test may be performed using a blood sample taken from a vein in your arm during a process called venipuncture.
What causes falsely elevated BNP?
The cause of the false elevated BNP values may be a result of an abnormal immunoassay response with either interference from heterophilic antibodies, human anti‐mouse antibodies (stated in the limitations of the AxSYM BNP immunoassay in the package insert), or rheumatoid factors, which can commonly lead to false …
How accurate is the NT-proBNP?
NT-proBNP/BNP values have been used as a screening index, as its negative predictive value is relatively high (94%–98%), whereas the positive predictive value is low (44%–57% for nonacute heart failure, 66%–67% for acute heart failure).
What are the symptoms of high BNP?
BNP levels are higher than normal when you have heart failure. If you cough a lot, often feel weak, have lost your appetite, and need to urinate a lot at night, you might have symptoms of heart failure.
When should I worry about BNP?
BNP levels go up when the heart cannot pump the way it should. A result greater than 100 pg/mL is abnormal. The higher the number, the more likely heart failure is present and the more severe it is.
Can NT-proBNP be wrong?
Falsely high levels of BNP and NT-proBNP may be seen in females, with advancing age and in the presence of renal failure. Females: The levels of both BNP and NT-proBNP are higher in females compared to males in all age groups.
Can you have a high BNP without heart failure?
Conclusion. BNP is a strong predictor of death in patients with and without HF. The risk of death associated with elevated BNP levels is similar between patients with and those without HF. These data suggest that increased BNP values in patients without HF are important in clinical practice.