Correlazione tra il QRS score di Selvester e la funzione ventricolare sinistra a riposo e da sforzo in pazienti sopravvissuti ad infarto miocardico.

Translated title of the contribution: Correlation between Selvester's QRS score and left ventricular function at rest and during effort in patients who survived myocardial infarction

G. Riccardi, C. Opasich, L. Bosco, F. Cobelli, G. Specchia

Research output: Contribution to journalArticle

Abstract

This study was carried out in order to determine if there is any correlation between QRS score and left ventricular function at rest and during exercise after single myocardial infarction. Selvester's QRS scoring system to determine infarct size by observing Q and R standard 12-lead ECG was independently applied by three cardiologists. Left ventricular function was determined using the resting angiographic LVEF, the pulmonary wedge pressure in supine position and during exercise. The total work performed and the heart rate and systolic blood pressure percentage increase (delta) were also considered. Forty-eight male pts (mean age 52.3 +/- 8.7) were studied within 2 months after acute myocardial infarction. The site of the myocardial infarction was anterior in 13, inferior in 20, inferior plus posterior in 15. There were poor correlations between QRS score and left ventricular ejection fraction (r = -0.44) and pulmonary wedge pressure in supine position and during exercise, total work performed, delta heart rate and delta systolic blood pressure. There was no significant difference in mean QRS score between pts with abnormal (greater than 12 mmHg) and normal resting pulmonary wedge pressure in supine position (10.8 +/- 8.4 vs 7.3 +/- 5.8) or between pts with abnormal (greater than 20 mmHg) and normal exertional pulmonary wedge pressure (10.5 +/- 8.4 vs 7.4 +/- 5.7). In conclusion, the QRS score, obtained up to 30 days following an acute myocardial infarction, is not useful in determining left ventricular function at rest or during exercise.

Translated title of the contributionCorrelation between Selvester's QRS score and left ventricular function at rest and during effort in patients who survived myocardial infarction
Original languageItalian
Pages (from-to)1015-1023
Number of pages9
JournalGiornale Italiano di Cardiologia
Volume19
Issue number11
Publication statusPublished - Nov 1989

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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