Abstract
Aim and BackgroundDipyridamole-induced stress myocardial perfusion scans (MPS) has been widely used for management of coronary artery disease. The adverse effects of dipyridamole and other stress agents have been evaluated. The aim of this research is to confirm the dynamic data on dipyridamole side effects during MPS. MethodsWe collected data of 183 patients who underwent dipyridamole-induced stress MPS by retrospectively reviewing their clinical records, which included the severity of dipyridamole side effects in 3min, 10min, and 20min after infusion. The incidence and severity at all three points, including the effect of age and gender, were obtained. ResultsAdverse effects occurred in 96 patients (69.6%). The most frequent symptoms were dizziness (42.8%), chest tightness (24.6%), abdominal pain (18.1%), and headache (15.2%). Most symptoms were Grade 1 to 2, according to the grading system for common terminology criteria. The median duration of symptom persistence was 36min, not significantly different among age and gender. ConclusionThis study demonstrates that the adverse effects of dipyridamole were generally minimal and its duration was acceptable for clinical usage.
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