Suppression of visceral pain by ac-tion of the low intensity polarizedlight on antinociceptive points ofacupuncture
Y.P. Limansky, Z.A. Tamarova, S.A. Gulyar
A.A. Bogomoletz Institute of Physiology National Academyof Science of Ukraine, Kiev
Abstract
In experiments on mice, statistically authentic weakening
of visceral pain has been shown after an action of low
intensity polarized light from a device Bioptron on antinociceptive
acupuncture points (AP). Pain was caused by
an intraperitoneal injection of 2% acetic acid (0.1ml/10g).
The intensity of pain was judged on duration and frequency
of painful behavioral reactions (writhing, licking of abdomen),
as well as on duration of sleep, eating and motor
activity. In animals which immediately after injections of
acetic acid were exposed to polarized light of low intensity
for 10 min, applied on any of antinociceptive APs (E-36, E-43, VC-8, RP-6),
the duration of painful behavioral reaction was determined to be reduced, while that of
non-painful one increased. The comparison of the total duration
of the writhing at control and experimental mice showed
that an activation of AP E-43 induced the greatest
analgesic effect (76.5 %), from AP VC-8 it was 76.3 %,
from RP-6 - 46.8 %, and from E-36 - 41.4 %. We have
concluded that the effect of polarized light of low intensity
on APs was a convenient non-pharmacological method of treating visceral pain
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