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Pain physician
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Radiofrequency thermocoagulation (RFT) of the trigeminal ganglion is an excellent treatment option for medically intractable trigeminal neuralgia. However, this procedure can manifest abrupt changes in cardiovascular responses. With abrupt cardiovascular changes, a sudden trigeminocardiac reflex can occur during RFT of the trigeminal ganglion. ⋯ FO puncturing, electrical stimulation, and thermal heating demonstrated an abrupt increase in heart rate and mean arterial pressure. The incidence of sudden bradycardia during RFT of the trigeminal ganglion was 25%. Most cases of bradycardia were observed during FO puncturing.