Imaging Contrast

Contrast agents are injected into patients to help enhance images to make it easier for radiologists distinguish specific areas of the body from surrounding tissues. The most commonly used agents are iodinated contrast dye for computed tomography (CT), interventional cath lab angiography, RF fluoroscopy, and in surgical OR procedures. MRI scans typically use gadolinium-based contrast agents. Ultrasound and echocardiography (cardiac ultrasound) imaging use contrast agents composed of microscopic bubbles to enhance images that otherwise would be suboptimal.

MRI patients willing to commute farther for clinics that use low-dose GBCAs
Data suggest most patients in need of contrast-enhanced MR imaging would prefer lower dose alternatives. Some are willing to go well out of their way to achieve that.
New data highlight 'systemic inconsistencies' in documentation of contrast reactions
Although uncommon and typically not life-threatening, hypersensitivity reactions have increased in recent decades alongside the significant rise in CT use.
'Breakthrough' MRI contrast design could make GBCAs safer, more effective
Researchers are hopeful their new approach to developing MRI contrast will "pave the way for safer, smarter imaging in clinical diagnostics."
AI could reduce reliance on gadolinium for contrast-enhanced MRI
New artificial intelligence technology could be used as a complimentary tool alongside low-dose GBCAs to enhance exams without sacrificing image quality.
Hemp and other plant-based compounds could be future of contrast-enhanced imaging
Experts are working to develop agents they say can enhance imaging studies without the risks associated with traditional contrast media.

MRI patients willing to commute farther for clinics that use low-dose GBCAs

Data suggest most patients in need of contrast-enhanced MR imaging would prefer lower dose alternatives. Some are willing to go well out of their way to achieve that.

New data highlight 'systemic inconsistencies' in documentation of contrast reactions

Although uncommon and typically not life-threatening, hypersensitivity reactions have increased in recent decades alongside the significant rise in CT use.

'Breakthrough' MRI contrast design could make GBCAs safer, more effective

Researchers are hopeful their new approach to developing MRI contrast will "pave the way for safer, smarter imaging in clinical diagnostics."

AI could reduce reliance on gadolinium for contrast-enhanced MRI

New artificial intelligence technology could be used as a complimentary tool alongside low-dose GBCAs to enhance exams without sacrificing image quality.

Hemp and other plant-based compounds could be future of contrast-enhanced imaging

Experts are working to develop agents they say can enhance imaging studies without the risks associated with traditional contrast media.

State law change allows technologists to administer contrast under remote supervision

The update eliminates the requirement for a physician to be on-site and now allows techs to perform venipuncture and conduct contrast administration under remote supervision.

Iodine contrast being loaded into a contrast injector in preparation for a cardiac CT scan at Duly Health and Care in Lisle, Illinois. The contrast shortage is causing some healthcare organizations to postpone exams and procedures and ration contrast supplies. Photo by Dave Fornell

Tips for preventing 'unpredictable' hypersensitivity contrast reactions

Experts recently developed a new set of recommendations to help providers better navigate decisions related to contrast administration, sharing their guidance in Insights into Imaging.

Carbon dioxide a safe, effective contrast alternative for vascular procedures

Researchers believe that it could be especially beneficial in patients with impaired kidney function who may be at risk of adverse reactions to standard ICM.