Prediction of cardiac events after uncomplicated myocardial infarction by cross-sectional echocardiography during transesophageal atrial pacing

Sabino Iliceto, Carlo Caiati, Antonio Ricci, Antonio Amico, Gaetano D'Ambrosio, Giovanni M. Ferri, Michele Izzi, Rocco Lagioia, Paolo Rizzon

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Atrial pacing can safely be utilized shortly after myocardial infarction. To evaluate the prognostic value of wall motion abnormalities induced by such pacing 83 consecutive patients with recent uncomplicated myocardial infarction underwent transthoracic corss-sectional echocardiography during transesophageal atrial pacing and upright bicycle exercise stress test. Patients were followed-up for 14 ± 5 months. During the atrial pacing and the echocardiography, patients were defined at high risk if abnormalities of wall motion were detected in left ventricular regions remote from the infarcted area. Then, during the exercise stress test, high risk patients were those with ST segment depression ≥ 1 mm. On the other hand, patients were considered to be at low risk if they had no abnormalities of wall motion during atrial pacing in remote regions or, in the case of the stress test, if they did not develop ST depression ≥ 1 mm. Of the 83 patients, 21 had major cardiac events during the period of follow-up. Cardiac events occurred in 15 23 (65%) and 5 60 (8%, P <0.001) patients assigned to the groups adjudged to be at high and low risk, respectively, on the basis of echocardiographic results. Exercise testing was less reliable in identifying patients at risk of future cardiac events. Major events occurred in only 6 of the 19 patients with a positive stress test (32%, P <0.05 vs positive stress echocardiography) and in 14 of the 64 patients with a negative exercise stress test (22%, P = NS vs positive exercise stress test, P <0.05 vs negative atrial pacing echocardiography).

Original languageEnglish
Pages (from-to)95-103
Number of pages9
JournalInternational Journal of Cardiology
Volume28
Issue number1
DOIs
Publication statusPublished - 1990

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Exercise Test
Echocardiography
Myocardial Infarction
Stress Echocardiography
Transesophageal Echocardiography
Exercise

Keywords

  • Atrial pacing
  • Echocardiography
  • Myocardial infarction
  • Prognosis

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Prediction of cardiac events after uncomplicated myocardial infarction by cross-sectional echocardiography during transesophageal atrial pacing. / Iliceto, Sabino; Caiati, Carlo; Ricci, Antonio; Amico, Antonio; D'Ambrosio, Gaetano; Ferri, Giovanni M.; Izzi, Michele; Lagioia, Rocco; Rizzon, Paolo.

In: International Journal of Cardiology, Vol. 28, No. 1, 1990, p. 95-103.

Research output: Contribution to journalArticle

Iliceto, Sabino ; Caiati, Carlo ; Ricci, Antonio ; Amico, Antonio ; D'Ambrosio, Gaetano ; Ferri, Giovanni M. ; Izzi, Michele ; Lagioia, Rocco ; Rizzon, Paolo. / Prediction of cardiac events after uncomplicated myocardial infarction by cross-sectional echocardiography during transesophageal atrial pacing. In: International Journal of Cardiology. 1990 ; Vol. 28, No. 1. pp. 95-103.
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AB - Atrial pacing can safely be utilized shortly after myocardial infarction. To evaluate the prognostic value of wall motion abnormalities induced by such pacing 83 consecutive patients with recent uncomplicated myocardial infarction underwent transthoracic corss-sectional echocardiography during transesophageal atrial pacing and upright bicycle exercise stress test. Patients were followed-up for 14 ± 5 months. During the atrial pacing and the echocardiography, patients were defined at high risk if abnormalities of wall motion were detected in left ventricular regions remote from the infarcted area. Then, during the exercise stress test, high risk patients were those with ST segment depression ≥ 1 mm. On the other hand, patients were considered to be at low risk if they had no abnormalities of wall motion during atrial pacing in remote regions or, in the case of the stress test, if they did not develop ST depression ≥ 1 mm. Of the 83 patients, 21 had major cardiac events during the period of follow-up. Cardiac events occurred in 15 23 (65%) and 5 60 (8%, P <0.001) patients assigned to the groups adjudged to be at high and low risk, respectively, on the basis of echocardiographic results. Exercise testing was less reliable in identifying patients at risk of future cardiac events. Major events occurred in only 6 of the 19 patients with a positive stress test (32%, P <0.05 vs positive stress echocardiography) and in 14 of the 64 patients with a negative exercise stress test (22%, P = NS vs positive exercise stress test, P <0.05 vs negative atrial pacing echocardiography).

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