Safety of deferring angioplasty in patients with normal coronary flow velocity reserve
Markus Ferrari, MDa,
B.ärbel Schnell, MD*,
Gerald S. Werner, MDa and
Hans R. Figulla, MDa
a Clinic of Internal Medicine III (Cardiology & Angiology & Intensive Care Medicine) Friedrich-Schiller-Universität, Jena, Germany
* Clinic of Internal Medicine (Cardiology & Pulmonology) Georg-August-Universität, Göttingen, Germany

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Figure 1 Severity of angina pectoris (according to Canadian Cardiac Society) of patients who reported angina at stress before angioplasty, at discharge and after follow-up of 15 months. (n.s.: t test not significant).
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Figure 2 The slopes reflect the relation between risk of major adverse cardiac event (MACE: severe bleeding, re-PTCA, acute myocardial infarction, coronary bypass surgery, sudden cardiac death) and benefit (number of patients who are free of angina pectoris) in the PTCA subgroup (n = 48) and the non-PTCA subgroup (n = 22).
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