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European Heart Journal 1989 10(Supplement G):13-17; doi:10.1093/eurheartj/10.suppl_G.13
Copyright © 1989 by the European Society of Cardiology.
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© 1989 The European Society of Cardiology

Exercise testing and dipyridamole echocardiography test before and 48 h after successful coronary angioplasty: prognostic implications

D. Massa, S. Pirelli, E. Gara, F. Faletra, A. Alberti, G. Piccalò, E. Corrada, A. Mafrici, A. Formentini and L. Campolo

Department of Cardiology ‘A. De Gasperis’, Niguarda Hospital Milano, Italy

Address for correspondence: Daria Massa MD, Department of Cardiology ‘A; De Gasperis’, Niguarda Hospital, Piazza Ospedale Maggiore, 3 Milano, Italy

The purpose of the present study was to determine the value of exercise testing (ET) and dipyridamole echocardiography test (DET) in the early functional evaluation after a successful coronary angioplasty (PTCA) and in the prediction of angina recurrence.

52 patients underwent ET and DET before and 48 h after a successful PTCA. During a 6–12 month follow-up period they all underwent clinical evaluation. Before PTCA, ET was positive in 49 of 52 patients (94%) and new asynergies were detected by DETin 47 of 52 patients (90%). 48 h after PTCA 23 patients (44%) had positive ET results and 10 had a positive DET response. During the follow-up, 17 patients experienced recurrence of angina. Positive predictive value (PPV) for angina recurrence of ET and DET performed early after the PTCA were, respectively, 57 and 80%. The PPV of ET increased to 88% when electrocardiographic (ECG) positivisy was accompanied by angina. Negative predictive values of ET and DET were, respectively, 86% and 79%. Early after PTCA, exercise ECG positivity was not predictive of symptom recurrence while ECG positivily associated with angina revealed a high PPV, similar to that of DET.

Key Words: Exercise testing • dipyridamole echocardiography test • percutaneous transluminal coronary angioplasty


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