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[Appropriate puncture site for CT monitored celiac plexus block determined from CT films]
Y Ochiai1, S Ishii, S Takahashi
1Department of Anesthesiology, Kure Mutual Aid Hospital.
Masui. the Japanese Journal of Anesthesiology
|December 1, 1992
Summary
CT-guided retrocrural approach for celiac plexus block offers a safer alternative to conventional techniques. This method minimizes the risk of organ injury during the procedure for gastrointestinal disease patients.
Area of Science:
- Medical Imaging
- Interventional Radiology
- Pain Management
Background:
- Celiac plexus block is used for managing gastrointestinal pain.
- Conventional techniques carry risks of organ injury.
- CT guidance can potentially improve safety.
Purpose of the Study:
- To determine optimal needle entry parameters for CT-monitored celiac plexus block.
- To evaluate the safety and efficacy of the retrocrural approach.
- To reduce the incidence of organ puncture during the procedure.
Main Methods:
- CT photograms were used to analyze needle trajectory in 16 patients.
- Measurements included puncture site distance to midline, needle angle, and depth.
- The retrocrural approach was specifically investigated.
Main Results:
- Average puncture site distance to midline: 3.84 cm (right), 4.06 cm (left).
- Average needle angles: 74.1 degrees (right), 76.9 degrees (left).
- Conventional techniques showed high predicted organ puncture rates (e.g., 56.2% right kidney).
Conclusions:
- The conventional technique for celiac plexus block has a high risk of organ injury.
- CT-monitored retrocrural approach allows for safer and more precise needle placement.
- This technique helps avoid serious complications by visualizing the ideal puncture course.