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Intractable Hemifacial Spasm Treated by Pulsed Radiofrequency Treatment
( Hae Lang Park ),( Seung Mo Lim ),( Tae Hwa Kim ),( Kyung Ho Kang ),( Hyun Kang ),( Yong Hun Jung ),( Chong Wha Baek ),( Young Cheol Woo ),( Jin Yun Kim ),( Gill Hoi Koo ),( Hwa Yong Shin ) 대한통증학회 2013 The Korean Journal of Pain Vol.26 No.1
Hemifacial spasm is defined as unilateral, involuntary, irregular twitching of all or parts of the muscles innervated by facial nerves. Here, we present a case of recurrent hemifacial spasm after microvascular decompression (MVD) treated with pulsed radiofrequency (PRF) treatment with good results. A 35-year-old woman suffered from recurrent hemifacial spasm after MVD that was refractory to medical treatment and botulinum toxin injections. We attempted a left facial nerve block twice. Then, we applied PRF at a maximum temperature of 42oC for 120 sec. Some response was observed, so we applied PRF two additional times. The frequency of twitch decreased from 3-4 Hz to < 0.5 Hz, and subjective severity on a visual analogue scale also decreased from 10/10 to 2-3/10. PRF treatment might be an effective medical treatment for refractory hemifacial spasm and has fewer complications and is less invasive compared with those of surgery. (Korean J Pain 2013; 26: 62-64)
Intractable Hemifacial Spasm Treated by Pulsed Radiofrequency Treatment
Park, Hae Lang,Lim, Seung Mo,Kim, Tae Hwa,Kang, Kyung Ho,Kang, Hyun,Jung, Yong Hun,Baek, Chong Wha,Woo, Young Cheol,Kim, Jin Yun,Koo, Gill Hoi,Shin, Hwa Yong The Korean Pain Society 2013 The Korean Journal of Pain Vol.26 No.1
Hemifacial spasm is defined as unilateral, involuntary, irregular twitching of all or parts of the muscles innervated by facial nerves. Here, we present a case of recurrent hemifacial spasm after microvascular decompression (MVD) treated with pulsed radiofrequency (PRF) treatment with good results. A 35-year-old woman suffered from recurrent hemifacial spasm after MVD that was refractory to medical treatment and botulinum toxin injections. We attempted a left facial nerve block twice. Then, we applied PRF at a maximum temperature of $42^{\circ}C$ for 120 sec. Some response was observed, so we applied PRF two additional times. The frequency of twitch decreased from 3-4 Hz to < 0.5 Hz, and subjective severity on a visual analogue scale also decreased from 10/10 to 2-3/10. PRF treatment might be an effective medical treatment for refractory hemifacial spasm and has fewer complications and is less invasive compared with those of surgery.
Lim, Seung Mo,Park, Hae Lang,Moon, Hyong Yong,Kang, Kyung Ho,Kang, Hyun,Baek, Chong Hwa,Jung, Yong Hun,Kim, Jin Yun,Koo, Gill Hoi,Shin, Hwa Yong The Korean Pain Society 2013 The Korean Journal of Pain Vol.26 No.1
A 60-year-old man presented with pain on the left cheek and lateral nose. The patient had been diagnosed with facial herpes zoster in the left V2 area 6 months previously. Medical treatment was prescribed for 6 months but it had little effect. We blocked the left infraorbital nerve under ultrasound guidance, but pain relief was short term. Therefore, we performed pulsed radiofrequency treatment on the left infraorbital nerve under ultrasound guidance. Six months after the procedure, the reduction of pain was still maintained, and there was no need for further management.
( Seung Mo Lim ),( Hae Lang Park ),( Hyong Yong Moon ),( Kyung Ho Kang ),( Hyun Kang ),( Chong Hwa Baek ),( Yong Hun Jung ),( Jin Yun Kim ),( Gill Hoi Koo ),( Hwa Yong Shin ) 대한통증학회 2013 The Korean Journal of Pain Vol.26 No.1
A 60-year-old man presented with pain on the left cheek and lateral nose. The patient had been diagnosed with facial herpes zoster in the left V2 area 6 months previously. Medical treatment was prescribed for 6 months but it had little effect. We blocked the left infraorbital nerve under ultrasound guidance, but pain relief was short term. Therefore, we performed pulsed radiofrequency treatment on the left infraorbital nerve under ultrasound guidance. Six months after the procedure, the reduction of pain was still maintained, and there was no need for further management. (Korean J Pain 2013; 26: 84-88)