OBJECTIVES: To determine whether blood natriuretic peptide concentrations are helpful in identifying or excluding left ventricular systolic dysfunction in stable survivors of acute myocardial infarction. DESIGN: Comparison of blood natriuretic peptide concentrations with echocardiographic assessment of left ventricular systolic function in a general practice population. SETTING: Practices in Western District of Glasgow audit group. SUBJECTS: 134 long term survivors of myocardial infarction recalled for echocardiography as part of a primary care secondary prevention audit. MAIN OUTCOME MEASURES: Area under the receiver operating curve for brain natriuretic peptide and N-terminal atrial natriuretic peptide. RESULTS: Brain natriuretic peptide was of some diagnostic utility in identifying the minority of subjects with severe left ventricular dysfunction (area under curve=0.73) but was unable to discriminate between patients with moderately severe dysfunction and those with preserved left ventricular function (area under curve for moderate or severe dysfunction=0.54). The corresponding values for N-terminal atrial natriuretic peptide for severe and moderate or severe dysfunction were 0.55 and 0.56 respectively. CONCLUSIONS: Blood natriuretic peptide concentrations are not useful in identifying important left ventricular systolic dysfunction in stable survivors of myocardial infarction.
OBJECTIVES: To determine whether blood natriuretic peptide concentrations are helpful in identifying or excluding left ventricular systolic dysfunction in stable survivors of acute myocardial infarction. DESIGN: Comparison of blood natriuretic peptide concentrations with echocardiographic assessment of left ventricular systolic function in a general practice population. SETTING: Practices in Western District of Glasgow audit group. SUBJECTS: 134 long term survivors of myocardial infarction recalled for echocardiography as part of a primary care secondary prevention audit. MAIN OUTCOME MEASURES: Area under the receiver operating curve for brain natriuretic peptide and N-terminal atrial natriuretic peptide. RESULTS: Brain natriuretic peptide was of some diagnostic utility in identifying the minority of subjects with severe left ventricular dysfunction (area under curve=0.73) but was unable to discriminate between patients with moderately severe dysfunction and those with preserved left ventricular function (area under curve for moderate or severe dysfunction=0.54). The corresponding values for N-terminal atrial natriuretic peptide for severe and moderate or severe dysfunction were 0.55 and 0.56 respectively. CONCLUSIONS: Blood natriuretic peptide concentrations are not useful in identifying important left ventricular systolic dysfunction in stable survivors of myocardial infarction.
Authors: C C Lang; N Prasad; H M McAlpine; C Macleod; B J Lipworth; T M MacDonald; A D Struthers Journal: Am Heart J Date: 1994-06 Impact factor: 4.749
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