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KMID : 1145020190360030147
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Journal of Acupuncture Research
2019 Volume.36 No. 3 p.147 ~ p.153
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The Safety and Analgesic Effect of Datura Flos Pharmacopuncture in Sprague-Dawley Rats
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Jun Seung-Ah
Lee Yun-Kyu
Lee Bong-Hyo
Kim Jae-Soo
Lee Hyun-Jong
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Abstract
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Background: The aim of this study was to investigate the safety and analgesic effects of Datura Flos pharmacopuncture (DFP).
Methods: The analgesic effects of DFP were assessed using mechanical (hot plate), chemical (formalin test), and thermal (von Frey filament test) pain tests. Forty male Sprague Dawley rats were assigned randomly into DFP (75 mg/kg, 150 mg/kg), lidocaine 0.5%, or normal saline group for treatment on Kl3. Gross pathology, histopathology, biochemistry and hematology were performed.
Results: In the hot plate test, DFP at a high dose (HDDFP; 150 mg/kg) produced a significant analgesic effect, at 10 and 20-minutes post injection (p < 0.01). Low dose DFP (LDDFP; 75 mg/kg) also showed an analgesic effect at 10 minutes post injection (p < 0.01). In the formalin test, HDDFP produced an analgesic effect, for 0-10 and 10-20 minutes (p < 0.01) post treatment, whereas LDDFP showed analgesic effects between 10-20 minutes (p < 0.05). In the von Frey filament test, DF-H produced an analgesic effect, 10 (p < 0.01) and 20 minutes post treatment (p < 0.05). LDDFP showed analgesic effect at 10 minutes (p < 0.05). In the acupuncture response test, HDDFP produced an analgesic effect at 10 minutes post treatment (p < 0.05). DF-H did not cause any anatomical changes to the liver or kidney and there were no abnormalities in biochemistry or hematology.
Conclusion: DF-H was not toxic and provided short term analgesia, suggesting it may be useful in the management of pain.
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KEYWORD
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pharmacopuncture, lethal dose 50, formalin test
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