Related Experiment Videos
Acute occlusion of coronary artery bypass graft with nonionic contrast medium
Yasuko Tomizawa1, Masahiro Endo, Hiroshi Nishida
1Department of Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan.
Insights
Nonionic contrast media, like iopamidol, may benefit cardiac patients due to lower toxicity. This study treated four cases of acute thromboembolic events, including bypass graft occlusions, highlighting the need for careful administration.
Area of Science:
- Cardiology
- Radiology
- Pharmacology
Background:
- Nonionic contrast media offer potential benefits for patients with cardiac conditions due to reduced chemotoxicity.
- Heparinization is a common adjunct in cardiac procedures involving contrast agents.
Observation:
- Four cases of acute thromboembolic events were treated using iopamidol under heparinization.
- These events involved occlusion of coronary artery bypass grafts and native coronary arteries.
Findings:
- Iopamidol, a nonionic contrast medium, was used in treating acute thromboembolic occurrences in cardiac patients.
- Successful management of coronary artery bypass graft occlusions was observed in these cases.
Implications:
- Nonionic contrast media may be a safer option for diagnostic imaging in patients with cardiovascular disease.
- Careful patient selection and monitoring are crucial to mitigate potential adverse effects associated with contrast media administration.
Abstract:
The use of nonionic contrast media should be beneficial in patients with cardiac disease because such media are less chemotoxic. Using iopamidol under heparinization, we treated 4 cases of acute thromboembolic occurrence including occlusion of coronary artery bypass grafts and associated native coronary arteries. While the majority of patients do not experience this complication, care must be taken to avoid major adverse effects.