Transaortic celiac plexus block: A computed tomography simulation study

Authors

Keywords:

Celiac plexus block, Computed tomography, Transaortic, Sympathetic ganglion block

Abstract

Aim: Transaortic celiac plexus block (CPB) is a traditional treatment method in chronic upper abdominal pain. Knowing the technique parameters before the procedure provides convenience to the physician during the block. For this purpose, we simulated the transaortic CPB with computed tomography (CT) and thus aimed to determine the main technical parameters and the risk of complications.

Methods: This study was an observational study. We analyzed one hundred, transaxial, thin section, abdominopelvic CT images and recorded morphological disturbances such as the presence of aortic mural calcification, thrombus, and aneurysm. We drew a needle insertion pathway on each of the images, at left, seven cm away from the midline in the lumbar region. Subsequently, we recorded the penetrated organs, the needle entry angle, and the distance from the skin to the needle tip. Also, we measured the appropriate entry distance and angle for successful injection in patients that we could not provide transaortic access.

Results: In the CT-simulated images, according to defined level and distance, we could reach the aorta in 73% of the patients. The mean needle entry angle and the distance from the entry point to the needle tip was 23.33 (3.36)°, 15.25 (1.20) cm, respectively, and kidney penetration was 6.9%. We were able to access aorta in remaining 27% of patients with a mean distance of needle entry point from the midline, a mean needle entry angle, and a mean distance from the entry point to the needle tip, 10.08 (1.25) cm, 34.04 (5.43)°, and 17.09 (1.32) cm, respectively. The kidney penetration rate was 44.4% in these patients.

Conclusion: In the transaortic technique used for the CPB, successful aortic penetration is not always achieved. When the access angle and distance are increased, aortic transition can be achieved, but the risk of organ injury significantly increases.

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Published

2019-07-29

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Research Article

How to Cite

1.
Sir E, Eksert S. Transaortic celiac plexus block: A computed tomography simulation study. J Surg Med [Internet]. 2019 Jul. 29 [cited 2022 Sep. 28];3(7):503-6. Available from: https://jsurgmed.com/article/view/587699