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Japanese

Hemodynamics and electrophysiology of the retina following diode laser irradiation to the stellate ganglion Daisuke Imai 1 , Koichiro Murayama 1 , Mami Ito 1 , Shigeru Mori 1 , Akiko Yamanami 1 , Junji Kanno 1 , Shin Yoneya 1 1Dept of Ophthalmol, Saitama Med Sch pp.1011-1014
Published Date 2002/6/15
DOI https://doi.org/10.11477/mf.1410907773
  • Abstract
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We evaluated the circulation and electrophysiological function of the retina following low-level laser irra-diation to the stellate ganglion area in 12 healthy persons. Laser was applied, for 5 minutes, bilaterally in 12 persons and unilaterally in 6 persons on another occasion. We used a diode laser with the wavelength of 810 nm and power out-put of 1,000 mW. A Heidelberg retina flowmeter was used to measure the retinal circulation before, 30 minutes and 60 minutes after irradiation. There was a significant increase in the volume and velocity of retinal circulation 60 minutes after bilateral irradiation (p<0.05). Multifocal electroretinography (mERG) showed a significant increase in the am-plitude of N1 and P1 waves 60 minutes after irradiation (p<0.05). The findings show that bilateral laser irradiation to the stellate ganglion block improves the circulation and function of the retina in healthy persons. This method prom-ises to be a useful therapeutic modality in ophthalmology under proper setting.


Copyright © 2002, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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