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[Risks in roentgen study of the esophagus]
Rontgen-Blatter; Zeitschrift Fur Rontgen-Technik Und Medizinisch-Wissenschaftliche Photographie
|November 1, 1986
Summary
X-ray contrast media can interact with body tissues, potentially causing irritation or severe complications like pulmonary inundation. New isoosmolar contrast agents show promise for improved safety and imaging in esophageal examinations.
Area of Science:
- Radiology
- Medical Imaging
- Gastroenterology
Background:
- Esophageal X-ray examinations utilize contrast media, which can inadvertently contact vital organs and tissues.
- Current contrast agents, including hyperosmolar iodine-based and barium sulfate media, pose risks such as local irritation and foreign body reactions.
- Fatalities have been reported due to pulmonary inundation with both types of contrast media.
Purpose of the Study:
- To review the potential complications associated with various contrast media used in esophageal X-ray examinations.
- To evaluate the risks and benefits of different contrast agents in relation to patient safety and diagnostic accuracy.
- To explore the potential of novel isoosmolar water-soluble contrast media.
Main Methods:
- Review of existing literature on contrast media complications in esophageal imaging.
- Analysis of the properties and reported adverse events of hyperosmolar iodine-containing contrast media.
- Assessment of barium sulfate contrast media risks, particularly concerning pleural and peritoneal contact.
- Consideration of water-soluble contrast media for suspected perforations or swallowing disturbances.
- Evaluation of the potential of new isoosmolar water-soluble contrast media.
Main Results:
- Hyperosmolar iodine media cause transient fluid displacement and local irritation; long-term effects are unreported.
- Barium sulfate media generally cause less irritation but risk chronic foreign body reactions and are contraindicated with pleural/peritoneal contact.
- Both types of contrast media have led to fatal pulmonary inundation.
- Water-soluble contrast media are recommended initially for suspected perforation or dysphagia.
- New isoosmolar water-soluble contrast media present opportunities for enhanced detail and potentially better tolerance.
Conclusions:
- The choice of contrast medium in esophageal X-ray examinations requires careful consideration of potential risks and benefits.
- Water-soluble contrast media are safer for initial evaluation in cases of suspected esophageal integrity compromise.
- Isoosmolar water-soluble contrast media warrant further investigation through animal and clinical studies for their improved tolerance and imaging capabilities.