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・ N-slit interferometric equation
・ N-Space
・ N-Space (short story collection)
・ N-sphere
・ N-Step-SCAN
・ N-Sub
・ N-substituted formamide deformylase
・ N-Succinimidyl 4-fluorobenzoate
・ N-succinylarginine dihydrolase
・ N-succinylornithine carbamoyltransferase
・ N-Sulfinyl imine
・ N-Sulfinylaniline
・ N-sulfoglucosamine sulfohydrolase
・ N-sulfoglucosamine-3-sulfatase
・ N-Terminal peptide of proopiomelanocortin
N-terminal prohormone of brain natriuretic peptide
・ N-terminal telopeptide
・ N-terminus
・ N-tert-Butylbenzenesulfinimidoyl chloride
・ N-Toon
・ N-topological space
・ N-Town Plays
・ N-Track Studio
・ N-Train
・ N-Trance
・ N-Trance discography
・ N-transform
・ N-Triples
・ N-tv
・ N-Tyce


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N-terminal prohormone of brain natriuretic peptide : ウィキペディア英語版
N-terminal prohormone of brain natriuretic peptide

The N-terminal of the prohormone brain natriuretic peptide (NT-proBNP), also commonly abbreviated BNPT, is a 76 amino acid N-terminal inactive protein that is cleaved from proBNP to release brain natriuretic peptide.
Both BNP and NT-proBNP levels in the blood are used for screening, diagnosis of acute congestive heart failure (CHF) and may be useful to establish prognosis in heart failure, as both markers are typically higher in patients with worse outcome. The plasma concentrations of both BNP and NT-proBNP are also typically increased in patients with asymptomatic or symptomatic left ventricular dysfunction and is associated with coronary artery disease and myocardial ischemia.
==Blood levels==

There is no level of BNP that perfectly separates patients with and without heart failure.
In screening for congenital heart disease in pediatric patients, an NT-proBNP cut-off value of 91 pg/mL could differentiate an acyanotic heart disease (ACNHD) patient from a healthy patient with a sensitivity of 84% and specificity of 42%.〔 On the other hand, an NT-proBNP cut-off value of 318 pg/mL is more appropriate in differing patients with congenital nonspherocytic hemolytic disease (CNHD) from healthy patients, with 94% sensitivity and 97% specificity.〔 An NT-proBNP value of 408 pg/mL has been estimated to be 83% sensitive and 57% specific in differentiating patients with ACNHD from patients with CNHD

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