Sakakura K, Ladich E, Fuimaono K, Grunewald D, O’Fallon P, Spognardi AM, Markham P, Otsuka F, Yahagi K, Shen K, Kolodgie FD, Joner M, Virmani R. Comparison of renal artery, soft tissue, and nerve damage after irrigated versus nonirrigated radiofrequency ablation.
Summary: The long-term efficacy of radiofrequency ablation of renal autonomic nerves has been proven in nonrandomized studies. However, long-term safety of the renal artery (RA) is of concern. The aim of our study was to determine if cooling during radiofrequency ablation preserved the RA while allowing equivalent nerve damage.
Representative image of renal artery angiogram with deployed radiofrequency catheter system.