Cardiovascular Week
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Cardiovascular Research
Phrenic nerve damage due to radio frequency ablation is more common than anticipated
February 6th, 2006
Phrenic nerve injury can be more common than anticipated with radio frequency (RF) ablation at the right superior pulmonary vein (RSPV) orifice. Transient nerve effects occur prior to permanent damage, providing an opportunity to discontinue energy delivery before permanent injury. Researchers writing in the Journal of Cardiovascular Electrophysiology report, "The phrenic nerve can be injured with radio frequency (RF) energy delivery. Nevertheless, the mechanisms of injury are unknown. This study was undertaken to examine phrenic nerve tissue temperatures during ablation at the pulmonary vein (PV) orifice, assess the temperature dependence of injury, and to...
Source: Cardiovascular Week (2006-02-06)
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