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Pantopaque pulmonary embolism during myelography
Journal of Neurosurgery
|March 1, 1977
Abstract:
A case of Pantopaque pulmonary embolism during myelography is presented. All reported cases of venous intravasation of Pantopaque have been associated with traumatic lumbar tap, and a mechanism whereby a bloody lumbar tap causes venous intravasation and hence Pantopaque pulmonary embolism during myelography is postulated.
Insights
A rare case of Pantopaque pulmonary embolism during myelography is presented. This complication is linked to venous intravasation, potentially caused by a traumatic lumbar tap during the procedure.
Area of Science:
- Radiology
- Neurology
- Pulmonary Medicine
Background:
- Myelography is an imaging procedure used to visualize the spinal canal.
- Pantopaque (iofendylate) was historically used as a contrast agent for myelography.
- Pulmonary embolism is a serious condition where an artery in the lungs becomes blocked.
Observation:
- This report details a specific case of Pantopaque pulmonary embolism occurring during myelography.
- Previous cases of venous intravasation of Pantopaque have been documented.
- These prior instances were consistently associated with a traumatic lumbar puncture.
Findings:
- A mechanism is proposed linking a bloody lumbar tap to venous intravasation.
- Venous intravasation of Pantopaque can lead to its entry into the pulmonary circulation.
- This process is postulated as the cause of Pantopaque pulmonary embolism during myelography.
Implications:
- Understanding this mechanism can help prevent serious complications during myelography.
- Awareness of the association between traumatic taps and embolism is crucial for procedural safety.
- This case highlights the importance of careful technique in contrast-enhanced spinal imaging.