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Updated: Jul 11, 2026

Acetylcholine Re-Challenge After Intracoronary Nitroglycerine Administration
Published on: April 4, 2022
Multivessel coronary artery spasm refractory to intensive medical treatment
Tatsuhiko Asano1, Yoshio Kobayashi, Masaki Ohno
1Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, Chiba, Japan.
Abstract:
This case report describes multivessel coronary artery spasm refractory to oral nifedipine, intravenous isosorbide dinitrate, diltiazem and nicorandil, and intracoronary nitroglycerin. Intracoronary administration of nicorandil only transiently relieved coronary artery spasm. Prednisolone was effective in preventing coronary artery spasm.
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