各種の非観血的手法による刺激の舌血流に及ぼす効果

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Backgrounds The invasive treatments such as electric acupuncture (EAP) and stellate-ganglion block (SGB) improve failure of blood microcirculation and increase blood flow. However, these treatments can induce complications such as infection, subcutaneous hemorrhage and fear in the patient. Therefore, this study examined non-invasive treatments, that have effects similar to those of invasive treatments on lingual blood flow. Methods Thirteen healthy adult males aged 20 to 27 without a history of circulatory disease volunteered for this study. The study was performed after approval of the Ethics Committee of Fukuoka Dental College and informed consent was obtained from the subjects. The subject rested for 20-min in a supine position before the initial measurements were taken. Changes in lingual blood flow (LBF), lingual blood mass volume (LBM), lingual blood velocity (LBV), amplitude of plethysmogram (AP), mean arterial pressure (MAP), pulse rate (PR), cardiac output (CO) and cardiac index (CI) were first measured as controls. Thereafter, the time courses of these changes were obtained by the cross-over method after the following invasive and non-invasive treatments were given. (l) EAP group : Electric acupuncture to 'Ho-ku' (2) SSP group : Transcutaneous electric stimulation to 'Ho-ku' (3) DL group : Ga-Al-As diode laser irradiation to 'Ho-ku' (4) SGB group : Stellate ganglion block at the sixth cervical vertebra (C_6) with mepivacaine (5) SG-DL group : Ga-Al-As diode laser irradiation to the area adjacent to the stellate ganglion (6) SL group : Linear polarized near-infrared light irradiation to the area adjacent to the stellate ganglion Results 1. Changes in the lingual blood flow by stimulating 'Ho-ku' (1) In the EAP group, LBF, LBV and AP decreased transiently but significantly. These decreases may be due to pain caused by insertion of needles. LBF and LBV then increased significantly and remained elevated for 60 minutes. (2) In the SSP group, LBF and LBV increased and reached a maximum immediately after stimulation, then decreased. However, no significant difference was observed between the EAP and SSP groups, from 10 to 60 minutes after stimulation. (3) In the DL group, LBF and LBV rapidly increased and reached a maximum after irradiation, and these increases were maintained for 20 minutes. However, the increases in LBF and LBV were the smallest among the EAP, SSP and DL groups. 2. Changes in lingual blood flow by stimulation to the area adjacent to the stellate ganglion (1) In the SGB group, LBF and LBV increased and reached a maximum 10 minutes after SGB, and these increases were maintained for 60 minutes. Significant decrease in AP was transient and observed immediately after SGB. (2) In the SG-DL group, LBF and LBV increased and reached a maximum 10 minutes after irradiation, and then tended to decrease subsequently, although significant increases were maintained for 60 minutes after stimulation. However, the increases in LBF and LBV were the smallest among the SGB, SG-DL and SL groups. (3) In the SL group, LBF and LBV rapidly increased and reached a maximum immediately after irradiation, then tended to decrease subsequently, although significant increases were observed for 60 minutes after stimulation. There was no essential difference between the SGB and SL groups at each time period, but there was a significant difference between LBF and LBV. Conclusions It is suggested that the non-invasive treatments by SSP and SL increased the lingual blood flow to the same degree as that by invasive treatments such as EAP and SGB, respectively.
福岡歯科大学学会の論文
1996-03-31

著者

石川綾子
福岡歯科大学大学院歯学研究科歯科麻酔学専攻

各種の非観血的手法による刺激の舌血流に及ぼす効果

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