Key result
Exercise electrocardiography and thallium scintigraphy demonstrated high specificity (90% and 93%) and negative predictive value (95% and 98%) for detecting asymptomatic restenosis.
Why the study?
Do exercise electrocardiography and thallium myocardial scintigraphy accurately detect restenosis in asymptomatic patients 6 months after successful coronary angioplasty?
Population
111 asymptomatic patients undergoing control angiography 6 months after successful coronary angioplasty for…
Comparison
Exercise electrocardiography and thallium… vs Control angiography (reference standard)
Design
Cross-sectional
Follow-up
6 months post-angioplasty
Authors
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A negative exercise scintigraphy or ECG is highly reliable in excluding severe restenosis in asymptomatic patients 6 months post-angioplasty.
Observational (n=111)
Do exercise electrocardiography and thallium myocardial scintigraphy accurately detect restenosis in asymptomatic patients 6 months after successful coronary angioplasty?
p-value: p=NS
A negative exercise scintigraphy or ECG is highly reliable in excluding severe restenosis in asymptomatic patients 6 months post-angioplasty.
Schroëder et al. (1989) conducted an observational in Asymptomatic restenosis after coronary angioplasty (n=111). Exercise electrocardiography and thallium myocardial scintigraphy vs. Control angiography was evaluated on Detection of restenosis (≥70% diameter reduction) (p=NS). Exercise electrocardiography and thallium scintigraphy demonstrated high specificity (90% and 93%) and negative predictive value (95% and 98%) for detecting asymptomatic restenosis.
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