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Korean J Anesthesiol > Volume 41(5); 2001 > Article
Korean Journal of Anesthesiology 2001;41(5):582-588.
DOI: https://doi.org/10.4097/kjae.2001.41.5.582   
EEG and Topographic Frequency Analysis of Laser Therapeutic Efficacy in Occipital Headaches.
Woon Yi BaeK, Jeong Cheul ParK, Young Hoon Jeon, Su Hyun Lee, Jeong OK Lim, Jeung Soo Huh
1Department of Anesthesiology, College of Medicine, KyungpooK University, Daegu, Korea. webaiK@KyunpooK.ac.Kr
2Department of Medical Research Institute, KyungpooK University, Daegu, Korea.
3Department of Metallurgical Engineering, College of Engineering, KyungpooK University, Daegu, Korea.
Abstract
BACKGROUND
It is controversial that an electrocardiography (EEG) is valuable in evaluation of patients with headache. The purpose of this study was to determine whether EEG brain mapping can be a useful indicator for evaluating the analgesic efficacy of treatment on the patient with an occipital headache.
METHODS
We did an EEG on 20 patients with occipital headaches at the peri-laser application period. The laser was radiated for 3 minutes a third of the total distance from the external occipital protuberance to the mastoid process on the superior nuchal line. An EEG was taKen before laser radiation as control use, and at 10, 30 and 60 minutes after laser radiation by 32 channel electrodes (international 10 20 system). The EEG mapping was red for the high electric potential and blue for the low electric potential.
RESULTS
Compared with control group, the alpha wave increased significantly in parieto-occipital and occipital region at 60 minutes after laser radiation (P < 0.05). DarK red color was increased especially in occipital region at 60 minutes after laser radiation, compared with EEG mapping before laser radiation. Good and Fair improvements were observed in 55% of the patients with occipital headaches.
CONCLUSIONS
We conclude that EEG can be a valuable indicator in the evaluation of analgesic efficacy of treatment in the patients suffering from occipital headaches. Pain scores were assessed by the patient with the visual analogue scale (VAS).
Key Words: Equipment: laser radiationmapping; Headache: occipital. Monitoring: electroencephalography
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