Vertebral Body Bone Ablation with and without a Saline-Infused System in a Porcine Model

Autor: Amanda R. Smolock, Venkateswara Gogineni, Kevin Koch, Charles Bradley, Sean M. Tutton, Sarah B. White
Rok vydání: 2023
Předmět:
Zdroj: Journal of Vascular and Interventional Radiology. 34:619-622.e1
ISSN: 1051-0443
DOI: 10.1016/j.jvir.2022.12.475
Popis: The purpose of this study was to evaluate the effect of spinal bone radiofrequency ablation (RFA) with and without controlled saline infusion. RFA with and without controlled saline infusion was performed in the vertebral bodies of 2 swine with real-time temperature and impedance recordings. Histology and MRI were reviewed to evaluate ablation zone size, breach of spinal canal, and damage to spinal cord and nerves. There was no difference in maximum and mean temperatures between controlled saline and non-infusion groups. Impedance and power output were not significantly different between groups. MRI and histopathology demonstrated ablation zones confined within vertebral bodies. Ablation zone size correlated on MRI and histopathology by group. No ablation effect, breach of posterior cortex, spinal cord injury, nor nerve/ganglion injury were seen at any level on MRI or histology. Controlled saline infusion does not appear to impact bone RFA.
Databáze: OpenAIRE