Risk stratification after acute myocardial infarction by means of echocardiographic wall motion scoring and killip classification

Jeppe Launbjerg*, Jens Berning, Per Fruergaard, Per Eliasen, Knut Borch-Johnsen, Pia Eiken, Merete Appleyard

*Corresponding author af dette arbejde

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    Abstract

    In order to perform risk stratification, 195 consecutive, unse-lected patients with acute myocardial infarction (AMI) underwent independent echocardiographic and clinical evaluation of their left ventricular function by means of the wall motion index (WMI) and Killip classification 5 days after AMI. The patients were prospectively allocated to a low, medium or high risk class depending on WMI alone, and the 1-year mortality in these classes was 2, 34 and 37%, respectively (p < 0.0001). The 1-year mortality of the patients in Killip class I, II, or III and IV was 6, 26 and 48%, respectively (p < 0.00001). The number of patients allocated to the low risk group by means of WMI was 87, and the number of patients in Killip class I was 86. Since these groups were not identical, a total of 103 patients, i.e. 53% of the study population, could be identified as low risk patients regarding 1-year mortality 5 days after AMI, when WMI and Killip classification were used in combination. We conclude that the combination of echocardiographic and clinical evaluation of left ventricular function after AMI provides a strong and yet very simple procedure to identify low risk patients, which could be easily implemented in the routine work of coronary care units.

    OriginalsprogEngelsk
    Sider (fra-til)275-381
    Antal sider107
    TidsskriftCardiology (Switzerland)
    Vol/bind80
    Udgave nummer5-6
    DOI
    StatusUdgivet - 1 jan. 1992

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