|Reference : Prognostic significance of a low peak serum creatine kinase level in acute myocardial in...|
|Scientific journals : Article|
|Human health sciences : Laboratory medicine & medical technology|
Human health sciences : Cardiovascular & respiratory systems
|Prognostic significance of a low peak serum creatine kinase level in acute myocardial infarction|
|Pierard, Luc [Centre Hospitalier Universitaire de Liège - CHU > > Cardiologie >]|
|Dubois, Christophe [Centre Hospitalier Universitaire de Liège - CHU > > Cardiologie >]|
|Albert, Adelin [Université de Liège - ULg > Département des sciences de la santé publique > Informatique médicale et biostatistique >]|
|Chapelle, Jean-Paul [Université de Liège - ULg > Département de pharmacie > Chimie médicale >]|
|Carlier, J. [> > > >]|
|Kulbertus, Henri [Université de Liège - ULg > Services généraux (Faculté de médecine) > Relations académiques et scientifiques (Médecine) >]|
|American Journal of Cardiology|
|[en] Clinical Enzyme Tests ; Creatine Kinase/blood ; Electrocardiography ; Female ; Humans ; Male ; Middle Aged ; Myocardial Infarction/diagnosis/mortality ; Prognosis ; Time Factors|
|[en] To assess the prognostic significance of a low peak creatine kinase (CK) level, 723 consecutive patients admitted with acute myocardial infarction (AMI) within 16 hours after onset of symptoms were studied. Thrombolytic therapy was not attempted during the study. Patients were dichotomized according to their peak CK levels, determined from a cluster analysis of peak CK distribution among the population of patients who died within 3 years after hospital discharge. The 139 patients with low peak CK (less than or equal to 650 IU/liter) (group 1) were compared to the 584 patients with high peak CK (greater than 650 IU/liter) (group 2). Patients in group 1 were older and had a higher incidence of previous AMI, angina pectoris before AMI and non-Q-wave AMI. Despite a lower incidence of in-hospital complications and a nonsignificantly lower hospital mortality rate (4 vs 9%) the group 1 three-year posthospital mortality rate was higher (26 vs 17%; p less than 0.02), especially in the subgroup of patients with a Q-wave infarct (mortality 31% in group 1 vs 16% in group 2; p less than 0.001). Among the 491 patients who had a first Q-wave AMI, 55 had a peak CK less than or equal to 650 IU/liter. Compared to the 436 patients with a higher peak CK, these 55 patients had a higher incidence of early postinfarction angina (31 vs 14%; p less than 0.01), a similar hospital mortality (4 vs 7%) but a higher 3-year posthospital mortality (23 vs 12%; p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)|
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