Long-term (10-year) outcome in patients with unstable angina pectoris treated by coronary balloon angioplasty
David A. Halon, MB, ChB, FACCa,
Moshe Y. Flugelman, MDa,
Amnon Merdler, MDa,
Hedy Rennert, MPH*,
Johnny Shahlaa and
Basil S. Lewis, MD, FRCP, FACCa
a Cardiovascular Research Unit, Department of Cardiology, Lady Davis Carmel Medical Center and the Bruce Rappaport School of Medicine, Technion-IIT, Haifa, Israel
* Department of Community Medicine and Epidemiology, Lady Davis Carmel Medical Center and the Bruce Rappaport School of Medicine, Technion-IIT, Haifa, Israel
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Figure 1 Kaplan-Meier curves of survival and event-free survival (alive without MI, bypass surgery or repeat angioplasty) for patient cohorts with stable and unstable angina pectoris. After a small, early fall in survival of patients with unstable angina, the curves remained parallel throughout the follow-up period. Event-free survival curves were similar in both patient cohorts.
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Figure 2 Kaplan-Meier curves of survival and event-free survival in patients with Braunwald class II and class III unstable angina. There was a higher early mortality and event rate in patients with class III unstable angina but no further excess mortality or recurrent events during the follow-up period.
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Figure 3 Kaplan-Meier curves of survival and event-free survival in patients with unstable angina with and without acute ischemic ECG changes. There was a slightly higher early mortality in patients with acute ischemic ECG changes but no further excess mortality during the follow-up period. Event-free survival was similar in both groups.
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