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The adult radiographic shuntogram
W S Bartynski1, S Valliappan, J H Uselman
1Department of Radiology, The Western Pennsylvania Hospital, Pittsburgh 15224, USA.
AJNR. American Journal of Neuroradiology
|April 27, 2000
Summary
The radiographic shuntogram is a simple imaging technique to assess cerebrospinal fluid shunt function. This method effectively identifies shunt malfunction, obstructions, and complications in adult patients.
Area of Science:
- Neurosurgery
- Radiology
- Medical Imaging
Background:
- Ventriculoperitoneal (VP) and ventriculoatrial (VA) shunts are crucial for managing hydrocephalus.
- Assessing shunt function and patency is vital for patient outcomes.
- Shunt malfunction is a common complication requiring accurate diagnosis.
Purpose of the Study:
- To introduce and validate the adult radiographic shuntogram as a method for evaluating shunt systems.
- To demonstrate the utility of radiographic shuntography in diagnosing various shunt-related issues.
Main Methods:
- The radiographic shuntogram involves injecting contrast material into the shunt valve.
- Fluoroscopic or plain film imaging tracks contrast flow through the shunt tubing and to its distal end.
- Twenty-three studies were performed on 15 adult patients with suspected shunt malfunction.
Main Results:
- The radiographic shuntogram successfully visualized shunt patency and identified blockages.
- The technique differentiated between valve malfunction, ventricular catheter obstruction, and distal catheter issues.
- Peritoneal encystment was also identified using this method.
Conclusions:
- The adult radiographic shuntogram is a straightforward and effective imaging modality.
- It aids in diagnosing diverse ventriculoperitoneal and ventriculoatrial shunt malfunctions.
- This technique provides valuable information for managing hydrocephalus patients with shunts.