ISSN 1016-5169 | E-ISSN 1308-4488
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Prognostic Significance of Maximal Exercise Testing After Uncomplicated Myocardial Infarction [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 1999; 27(3): 163-169

Prognostic Significance of Maximal Exercise Testing After Uncomplicated Myocardial Infarction

Zerrin YİĞİT1, Deniz GÜZELSOY1, Vedat SANSOY1

To investigate the prognostic s ignificance of maximal exerc ise tes ting two months after uncomplicated myocardial infaretion (Ml). 506 patients (462 men, 44 women, mean age 5 ı .7±9.4, 246 anterior and 242 inferior Ml) were followed up for one year. The exercise test criteria for ischemia were typical angina pectoris and or ST depression of 1 mm. Exercise time less than 6 minules and exercise-induced systolic blood pressure (SBP) increase Jess than 30 mmHg were other parameters for high risk. Cardiac events (CE) were defined as cardiac death, reinfarction, unstable angina pectoris, a coronary angioplasty or aorto-coronary by-pass surgery. During follow-up 9 patients (1.8 %) died and 92 (18.2 %) had a cardiac event. The positive predictive va1ues of ECG ischemia, exercise duration, and ASBP for death were found to be 2% 4% and 3%, respectively for coronary events, the positive predictive value of ECG ischemia, exercise duration and ~SBP were 27%, 34% and 23%, respectively. The negative predictive values of the same parameters were found to be 99% and 89%, 99% and 87%, and 99% and 87%, respectively. When all of the parameters were considered together, the positive and negative predictive values for death and coronary events were found to be 10% and 81%,99% and 98%, respectively. It is concluded that, after an uncomplicated myocardia1 infarction, patients without ischemia and with a good exercise capacity and systolic blood pressure response to exercise need not undergo routine coronary angiography. Key words: Myocardial infarction, exercise test, prognosisTo investigate the prognostic s ignificance of maximal exerc ise tes ting two months after uncomplicated myocardial infaretion (Ml). 506 patients (462 men, 44 women, mean age 5 ı .7±9.4, 246 anterior and 242 inferior Ml) were followed up for one year. The exercise test criteria for ischemia were typical angina pectoris and or ST depression of 1 mm. Exercise time less than 6 minules and exercise-induced systolic blood pressure (SBP) increase Jess than 30 mmHg were other parameters for high risk. Cardiac events (CE) were defined as cardiac death, reinfarction, unstable angina pectoris, a coronary angioplasty or aorto-coronary by-pass 133 Türk Kardiyol Dem Arş 1999:27: 132-135 surgery. During follow-up 9 patients (1.8 %) died and 92 (18.2 %) had a cardiac event. The positive predictive va1ues of ECG ischemia, exercise duration, and ASBP for death were found to be 2% 4% and 3%, respectively for coronary events, the positive predictive value of ECG ischemia, exercise duration and ~SBP were 27%, 34% and 23%, respectively. The negative predictive values of the same parameters were found to be 99% and 89%, 99% and 87%, and 99% and 87%, respectively. When all of the parameters were considered together, the positive and negative predictive values for death and coronary events were found to be 10% and 81%,99% and 98%, respectively. It is concluded that, after an uncomplicated myocardia1 infarction, patients without ischemia and with a good exercise capacity and systolic blood pressure response to exercise need not undergo routine coronary angiography.

Keywords: Myocardial infarction, exercise test, prognosis

How to cite this article
Zerrin YİĞİT, Deniz GÜZELSOY, Vedat SANSOY. Prognostic Significance of Maximal Exercise Testing After Uncomplicated Myocardial Infarction. Turk Kardiyol Dern Ars. 1999; 27(3): 163-169
Manuscript Language: Turkish


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