Related Experiment Videos
Intravascular contrast media. Ionic versus nonionic: current status.
1Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri.
Radiologic Clinics of North America
|May 1, 1991
Summary
Low-osmolar contrast media (LOCM) significantly reduce adverse side effects compared to traditional agents. Clinical use confirms LOCM
Area of Science:
- Radiology and Medical Imaging
- Pharmacology
- Biomedical Engineering
Background:
- Intravascular administration of contrast media can cause serious adverse side effects.
- These side effects are attributed to osmotoxic and chemotoxic properties of the contrast agent.
- High-osmolar contrast media (HOCM) have historically posed significant risks.
Purpose of the Study:
- To highlight the development and benefits of low-osmolar contrast media (LOCM).
- To discuss the safety and efficacy of LOCM in clinical practice.
- To examine the evolving risk profiles and future of intravascular contrast agents.
Main Methods:
- Review of Almén's work on nonionic compounds to reduce osmolality and chemotoxicity.
- Analysis of worldwide clinical experience with ionic and nonionic LOCM.
- Examination of market penetration and physician awareness of LOCM.
Main Results:
- LOCM development reduced osmolality and chemotoxicity significantly.
- Clinical experience demonstrates LOCM to be safer and more comfortable than HOCM.
- LOCM use is widespread, with growing awareness of its advantages.
Conclusions:
- LOCM represent a major medical advancement, offering improved safety and patient comfort.
- While cost remains a factor, the shift towards LOCM is unlikely to reverse.
- Physicians must be informed advocates, balancing scientific benefits with economic considerations for patient care.