Risk stratification for restenosis after coronary angioplasty by means of exercise echocardiography.

R. Gentile, J. Dillon, T. Ryan, Harvey Feigenbaum

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

To assess the prognostic contribution of exercise two-dimensional echocardiography in patients undergoing elective coronary angioplasty, 60 patients (44 males, 16 females, mean age 61 years) were enrolled in this study. The series included 31 patients with single-vessel disease, 23 with two vessel, and 5 with three vessel disease. After successful PTCA, they underwent stress echocardiographic testing either by treadmill (n = 23) or bicycle ergometry (n = 37), performed with digital continuous loop technique. A wall motion index (WMI) was calculated at rest and at peak stress. According to WMI values, the study population was divided into three groups: patients with normal WMI both at rest and stress (Group 1); patients with abnormal baseline WMI without change at stress (Group 2) and abnormal WMI diagnostic of stress-induced ischemia (Group 3). During the follow-up period, minimum of 1 year, 21 patients complaining of recurrent angina or chest discomfort, had repeat angiography: in 13 of these, typical restenosis of a previously dilated artery was found; 2 patients had progression of atherosclerotic plaque and in 6 the angiogram showed a good result of PTCA. Thirteen patients with restenosis or progressive disease underwent repeat PTCA. In this group, only 2 belonged to Group 1, 4 to Group 2, and 7 to Group 3. Thus, a linear correlation between the WMI value post-angioplasty and the clinical course could be documented (p = 0.001). Stress echocardiography was superior to stress ECG in both negative predictive value (88 and 77% respectively) and positive predictive value (73 versus 50%).(ABSTRACT TRUNCATED AT 250 WORDS)

Original languageEnglish
Pages (from-to)651-656
Number of pages6
JournalCardiologia (Rome, Italy)
Volume39
Issue number9
StatePublished - Sep 1994
Externally publishedYes

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Coronary Restenosis
Angioplasty
Echocardiography
Exercise
Angiography
Ergometry
Stress Echocardiography
Atherosclerotic Plaques
Electrocardiography
Thorax
Ischemia
Arteries

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Risk stratification for restenosis after coronary angioplasty by means of exercise echocardiography. / Gentile, R.; Dillon, J.; Ryan, T.; Feigenbaum, Harvey.

In: Cardiologia (Rome, Italy), Vol. 39, No. 9, 09.1994, p. 651-656.

Research output: Contribution to journalArticle

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