Safety evaluation of routine intracoronary acetylcholine infusion in patients undergoing a first diagnostic coronary angiogram

Journal of Investigative Medicine : the Official Publication of the American Federation for Clinical Research
René A TioAd J van Boven

Abstract

Recent findings imply prognostic significance of intracoronary acetylcholine infusion for endothelial function testing. We evaluated whether routine use of this test in coronary angiography patients is safe. Patients undergoing a first diagnostic coronary angiography were selected to receive intracoronary acetylcholine for endothelial function evaluation. The relation between adverse reactions during infusion and risk factors was analyzed with a logistic regression model. Included in the multiple logistic regression model were the variables with a univariate P value < 0.20. Adverse reactions occurred in 16% (49/299) of the patients. This included two life-threatening events caused by occlusive spasm and flow limitation in the left coronary artery. Other adverse events were chest pain (n = 38), AV block or sinus bradycardia (n = 10), dyspnea (n = 3). Adverse reactions were more likely to occur in patients younger than 60 years of age (relative risk, 5.6 [2.2-14.3]). Intracoronary acetylcholine infusion is safe, but may lead to serious adverse reactions. Care should be taken especially in patients younger than 60 years of age. Routine use of acetylcholine infusion can thus only be justified if it has important prognostic signific...Continue Reading

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Citations

Jul 21, 2004·International Journal of Cardiology·S H J MonninkD J van Veldhuisen
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Sep 20, 2011·Rheumatology·Aamer SandooGeorge D Kitas
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Nov 13, 2002·Pharmacoepidemiology and Drug Safety
Jul 30, 2021·Physiological Measurement·Aaron M Troy, Hai-Ling Margaret Cheng

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