Factors predictive of early mortality after acute myocardial infarction

Y. Kaji, N. Yanagi, Toru Maruyama, S. Kanaya, T. Fujino, Y. Niho, T. Mori, Y. Sasaki, Y. Ishihara

Research output: Contribution to journalArticle

Abstract

OBJECTIVES: (1) To define the clinical and laboratory findings predictive of early mortality after myocardial infarction (AMI), 100 consecutive patients were studied. (2) To elucidate the serum potassium (K) concentration and its clinical significance after AMI, 38 patients were studied. RESULTS: (1) The 30-day mortality was greater for women than for men, for patients with diabetes mellitus than for those without, and for patients with previous MI than for those without. Clinical and laboratory findings predictive of early mortality were cardiogenic shock, congestive heart failure, perforation or rupture of the ventricle, and presence of bundle branch block and extensive anterior AMI on electrocardiogram. The presence of bradyarrhythmia, ventricular tachyarrhythmias, and high blood levels of peak creatinine phosphokinase (CPK) or myosin or atrial natriuretic peptide (ANP) were not independent predictors of early mortality. Patients complicated with congestive heart failure showed higher levels of peak CPK and ANP and patients with cardiogenic shock showed higher levels of ANP. (2) Serum K concentration was lower on admission than the following days, and it showed a negative correlation with plasma epinephrine. The lower serum K was accompanied with more severe ventricular arrhythmias on 24-hour electrocardiogram. CONCLUSION: (1) Early mortality after AMI is related to left ventricular function rather than to arrhythmias. (2) Serum K is lower in the early phase of AMI and is related with plasma catecholamines and severe ventricular arrhythmias.

Original languageEnglish
Pages (from-to)1031-1036
Number of pages6
JournalRinsho byori. The Japanese journal of clinical pathology
Volume44
Issue number11
Publication statusPublished - Jan 1 1996

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Myocardial Infarction
Mortality
Atrial Natriuretic Factor
Cardiac Arrhythmias
Cardiogenic Shock
Serum
Creatinine
Electrocardiography
Phosphotransferases
Heart Failure
Heart Rupture
Bundle-Branch Block
Myosins
Bradycardia
Left Ventricular Function
Tachycardia
Epinephrine
Catecholamines
Diabetes Mellitus
Potassium

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Kaji, Y., Yanagi, N., Maruyama, T., Kanaya, S., Fujino, T., Niho, Y., ... Ishihara, Y. (1996). Factors predictive of early mortality after acute myocardial infarction. Rinsho byori. The Japanese journal of clinical pathology, 44(11), 1031-1036.

Factors predictive of early mortality after acute myocardial infarction. / Kaji, Y.; Yanagi, N.; Maruyama, Toru; Kanaya, S.; Fujino, T.; Niho, Y.; Mori, T.; Sasaki, Y.; Ishihara, Y.

In: Rinsho byori. The Japanese journal of clinical pathology, Vol. 44, No. 11, 01.01.1996, p. 1031-1036.

Research output: Contribution to journalArticle

Kaji, Y, Yanagi, N, Maruyama, T, Kanaya, S, Fujino, T, Niho, Y, Mori, T, Sasaki, Y & Ishihara, Y 1996, 'Factors predictive of early mortality after acute myocardial infarction', Rinsho byori. The Japanese journal of clinical pathology, vol. 44, no. 11, pp. 1031-1036.
Kaji, Y. ; Yanagi, N. ; Maruyama, Toru ; Kanaya, S. ; Fujino, T. ; Niho, Y. ; Mori, T. ; Sasaki, Y. ; Ishihara, Y. / Factors predictive of early mortality after acute myocardial infarction. In: Rinsho byori. The Japanese journal of clinical pathology. 1996 ; Vol. 44, No. 11. pp. 1031-1036.
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