A systematic review was performed in the PubMed®, Latin American andCaribbean Health Sciences Literature (or LILACS), Physiotherapy EvidenceDatabase (PEDro), Web of Science, and Embase databases, with the followingdescriptors: "NT-proBNP" OR "NTproBNP" OR "N- terminal pro-B-typenatriuretic peptide" OR "N- terminal pro brain natriuretic peptide" OR"amino terminal pro brain natriuretic peptide" AND "Cardiovascular SurgicalProcedures" NOT "Pediatric" OR "children" NOT "cancer" OR "oncology" NOT"animal*". Here, NPPB is linked to cancer.