Enhanced external counterpulsation improves exercise tolerance, reduces exercise-induced myocardial ischemia and improves left ventricular diastolic filling in patients with coronary artery disease
Hisashi Urano, MDa,
Hisao Ikeda, MD, PhDa,
Takafumi Ueno, MD, PhDa,
Takahiro Matsumoto, MD, PhDa,
Toyoaki Murohara, MD, PhDa and
Tsutomu Imaizumi, MD, PhD, FACCa
a Department of Internal Medicine III, Kurume University School of Medicine, Kurume, Japan

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Figure 1 Representative left ventricular polar maps of thallium-201 uptake from a female patient before and after enhanced external counterpulsation treatment. Note that the exercise-induced perfusion defect in an inferior lesion before enhanced external counterpulsation was not apparent after treatment, indicating improved myocardial perfusion.
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Figure 2 Left ventricular diastolic filling before and after enhanced external counterpulsation treatment. Note that peak filling rate significantly increased (left panel) and time to peak filling rate significantly decreased (right panel), indicating an improvement of left ventricular diastolic filling by enhanced external counterpulsation treatment.
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