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Poster 13
Comparison of General Anesthesia and Conscious Sedation During Percutaneous Radiofrequency Ablation of T1a Renal Cell Carcinoma

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Comparison of general anesthesia and conscious sedation during percutaneous radiofrequency ablation of T1a renal cell carcinoma

Radiofrequency ablation (RFA) has been accepted as minimally invasive treatment for small renal cell carcinoma (RCC) in patients who are poor surgical candidates. However, pain control is essential during RFA procedures because this heat-based ablation is more painful than cryoablation. Therefore, conscious sedation (CS), general anesthesia (GA), or both have been performed to reduce pain resulting from percutaneous RFA.

Previously, we used CS alone during RFA, but we found that it did not work well in some patients because their pain was not controlled well. Recently, we have changed from CS to GA for pain control. However, it is unclear which type of anesthesia is better for the treatment outcomes. Our hypothesis was that GA contributes to treatment outcome with RFA by means of better controlling pain than CS. The purpose of our study was to compare GA and CS in treating patients with small RCC with percutaneous RFA.

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