Unintended thermal injuries from radiofrequency ablation: protection with 5% dextrose in water

AJR. American Journal of Roentgenology
Paul F LaesekeFred T Lee

Abstract

Radiofrequency ablation of hepatic tumors can lead to thermal injury of surrounding structures. Both saline and 5% dextrose in water (D5) have been used to displace these surrounding structures before radiofrequency ablation. The purpose of this study was to determine the relative effectiveness of these two fluids for protecting the diaphragm and lung during radiofrequency ablation. Ten female domestic swine (mean weight, 45 kg) underwent radiofrequency ablation at open surgery. Group 1 (n = 12 lesions) was pretreated with peritoneal D5 before radiofrequency ablation. Group 2 (n = 11 lesions) was pretreated with peritoneal 0.9% saline. A 2.7-mm spacer was placed between the liver surface and diaphragm in groups 1 and 2. Group 3 (n = seven lesions) served as a control group with no pretreatment regimen. Group 4, an additional control group (n = eight lesions), consisted of animals pretreated with D5 in which a larger spacer was used. After radiofrequency ablation, the animals were sacrificed and the liver, diaphragm, and lung were removed. The extent of thermal injury to the surface of each organ was recorded. The animals in the D5 and saline pretreatment groups experienced fewer diaphragm injuries than the control animals (D5, ...Continue Reading

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Citations

Feb 13, 2010·Cardiovascular and Interventional Radiology·A GangiE Quoix
Apr 13, 2010·World Journal of Urology·G Igor Pinkhasov, Jay D Raman
Aug 21, 2008·Journal of Gastroenterology and Hepatology·Hyunchul RhimWon Jae Lee
Apr 25, 2006·AJR. American Journal of Roentgenology·J Louis HinshawFred T Lee
Apr 25, 2006·AJR. American Journal of Roentgenology·Brian C Lucey
May 23, 2007·AJR. American Journal of Roentgenology·Paul F LaesekeFred T Lee
Sep 23, 2008·AJR. American Journal of Roentgenology·J Louis HinshawFred T Lee
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