Contrast Agents for Cardiac Angiography: Osmolality and Contrast Complications.
Radiographic contrast agents have undergone a tremendous evolution over the past several decades. The creation of contrast agents with greater iodine carrying capacity and lower osmolality has improved imaging quality and reduced complications, including nausea, vomiting, congestive heart failure, and cardiac rhythm abnormalities. Whether differences exist among agents in terms of thrombotic complications remains controversial. Several characteristics including potential complications, toxicity, and cost must factor into the decision to use a particular contrast agent in cardiac procedures.
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Division of Cardiology, Box 3331, Duke University Medical Center, Durham, NC 27710, USA. Harri046@mc.duke.edu
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