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Prognostic value of N-terminal proatrial natriuretic factor plasma levels measured within the first 12 hours after myocardial infarction. Thrombolysis in Myocardial Infarction (TIMI) II Investigators.

Abstract：

OBJECTIVES:The aim of the present study was to examine the relation between the plasma levels of the atrial peptide N-terminal proatrial natriuretic factor (proANF) measured during the 1st 12 h after myocardial infarction and 1-year mortality. BACKGROUND:The atrial peptides atrial natriuretic factor and N-terminal proANF are released from cardiac atria secondary to increased atrial pressures. The plasma levels of both peptides have been found to be related to long-term prognosis when measured in the subacute phase of myocardial infarction. METHODS:The study was of a retrospective case-control design studying patients enrolled in the Thrombolysis in Myocardial Infarction (TIMI) II trial. Seventy-six patients who died within the 1st year of enrollment in the trial were matched with another 76 patients who survived. N-terminal proANF was analyzed by radioimmunoassay at enrollment (no later than 4 h after the start of chest pain) and at 50 min, 5 h and 8 h after enrollment. RESULTS:At all studied time points the peptide levels were significantly higher in the case group than in the control group. At 8 h after enrollment, an N-terminal proANF value above a cutoff point of 1,500 pmol/liter was associated with an odds ratio for death of 3.9. CONCLUSIONS:The plasma level of N-terminal proANF, when measured during the 1st 12 h after the onset of chest pain, is related to 1-year mortality after myocardial infarction. Together with previous findings, these results suggest that N-terminal proANF measurements represent a valuable supplement to currently used prognostic indicators after myocardial infarction.

journal_name

J Am Coll Cardiol

journal_title

Journal of the American College of Cardiology

authors

Hall C,Cannon CP,Forman S,Braunwald E

doi

10.1016/0735-1097(95)00342-8

subject

Has Abstract

pub_date

1995-11-15 00:00:00

pages

1452-6

issue

eissn

0735-1097

issn

1558-3597

pii

0735109795003428

journal_volume

pub_type

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Prognostic value of N-terminal proatrial natriuretic factor plasma levels measured within the first 12 hours after myocardial infarction. Thrombolysis in Myocardial Infarction (TIMI) II Investigators.