What evidence was available to assess the diagnostic accuracy of BNP or NT- proBNP to identify the presence of heart failure in people with atrial fibrillation and suspected heart failure?
A search was conducted for single gate studies assessing the diagnostic test accuracy of BNP or NT- proBNP to identify the presence of heart failure (as indicated by the reference standard) in people with atrial fibrillation and suspected heart failure in a community or outpatient setting. A search was also conducted for diagnostic RCTs comparing outcomes in patients tested with BNP versus NT- proBNP. No studies meeting either review protocol were identified.