Study on the methods and effect of creating artificial ascites in thermal ablation of liver or kidney tumors under ultrasonic guidance
2018
Objective
To evaluate the effect of artificial ascites under ultrasonic guidance in the thermal ablation of liver or kidney tumors, so as to provide basis for successfully creating artificial ascites, increasing the complete ablation rate of the tumors and reducing the damage of important organs.
Methods
Seven hundred and thirty-six patients with artificial ascites were performed under ultrasonic guidance during the thermal ablation of liver or kidney tumors and six hundred and seventy-nine patients were successfully performed. The success rate of creating artificial ascites at different sites, time requirement, the effect of ascites, puncture times were analyzed, while curative effect and complications were evaluated and summarized.
Results
The success rate of creating artificial ascites was 92.3%; the average time of creating artificial ascites was(9.1±1.3)minutes; the average puncture times was(1.1±0.2)times; complete ablation was 98.7%; the complication of ascites creation was 0.44%, minor complications after ablation was 6.20%, severe complications was 0.59%. The required fluid volume and success rates for the creation of artificial ascites in different sites were different. The volume of fluid needed was relatively high in the liver-gastric space, and the success rate was relatively low; the success rate of liver septum and liver-kidney crypts was the highest. Heat injury complications of the important organs such as gastrointestinal tract, esophagus, diaphragm near the liver or kidney tumors were 0.
Conclusions
The establishment of artificial ascites improves the local curative effect and reduces the complication of tumors ablation in difficult locations. The methods and effect of artificial ascites in different parts of liver or kidney are different.
Key words:
Ultrasonic guidance; Liver tumors; Kidney tumors; Thermal ablation; Artificial ascites
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