Unrecognized Condition Clinical Trial
Official title:
Air Dissection in Percutaneous Radiofrequency Ablation of T1a Renal Cell Carcinoma
The investigators aimed to evaluate the feasibility and safety of using ambient air to protect against thermal injury during RadioFrequency Ablation (RFA) for Renal Cell Carcinoma (RCC) based on data from cases at their institute.
The incidence of renal cell carcinoma (RCC) has been increasing, particularly among patients >65 years of age. As older individuals are at higher risk for surgical complications, the use of radiofrequency ablation (RFA) for small renal masses (SRM) <4 cm in size, which include T1a tumors,may be a compelling treatment option for elderly patients. However, RFA uses heat to destroy abnormal tissue, with the risk of thermal injury to tissues and organs, including gastric tissue and nerve roots, which are in proximity to the targeted treatment zone. The incidence rate of major complication with RFA, including thermal wounds, has been reported to vary between 3.2% and 5.2%. Different thermal protection methods have been developed to lower the risk of injury to adjacent tissues during ablation, such as air dissection using CO2 injection and hydrodissection using G5% for shielding. Although both of these options are effective, they are expensive. To lower the cost of thermal protection, the investigators have been using ambient air instead of CO2 for air dissection prior to RFA for SRM-RCCs. ;
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