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KMID : 0948920190180010024
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Clinical Pain
2019 Volume.18 No. 1 p.24 ~ p.30
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Ultrasound-Guided Greater Occipital Nerve Block for Primary Headache: Comparison of Two Techniques by Anatomical Injection Site
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Yoo Myung-Chul
Kim Hee-Sang
Lee Jong-Ha
Yoo Seung-Don
Yun Dong-Hwan
Kim Dong-Hwan
Lee Seung-Ah
Soh Yun-Soo
Kim Yong
Han Young-Rok
Kwon Jung-Ho
Jang Ha-Neul
Chon Jin-Mann
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Abstract
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Objective: Greater occipital nerve block (GONB) is a widely accepted treatment of primary headaches. Two ultrasound (US)-guided blockade techniques exist: 1) the classical distal nerve block technique performed medial to the occipital artery at the superior nuchal line, and 2) the new proximal nerve block technique performed at the obliquus capitis inferior muscle at the level of C2. Our study aim was to perform a head-to-head comparative study of these two US-guided techniques.
Method: Forty-nine patients with primary headache treated in our university hospital were recruited. Patients were randomized into two groups of the classical nerve block and the new proximal nerve block techniques. The headache questionnaire was made to assess the intensity of the pain of headache attacks, number of days they experience headache, duration of headache, and amount of pain medication they consumed.
Results: In both groups, a decrease in the severity and frequency of the headache was observed. There was no measurable difference in outcome between the two groups.
Conclusion: Our study showed that the classic and new proximal techniques are equally effective in decreasing the headache severity and frequency.
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KEYWORD
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Greater occipital nerve, Primary headache, Ultrasound-guided blockade
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