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  • Title: [Effects of electro-acupuncture at Zusanli point on gastric and intestinal blood flow in rats with acute necrotizing pancreatitis].
    Author: Bai L, Zhu L, Tang WF, Wan MH, Huang W, Chen GY.
    Journal: Sichuan Da Xue Xue Bao Yi Xue Ban; 2013 Nov; 44(6):982-6. PubMed ID: 24490517.
    Abstract:
    OBJECTIVE: To investigate the effects of electro-acupuncture (EA) at Zusanli point on gastric and intestinal blood flow and serum endothelin-1(ET-1), nitricoxide(NO), thromboxaneB2 (TXB2), 6-keto-prostaglandin F1alpha (6-K-PGF1alpha) in rats with acute necrotizing pancreatitis (ANP). METHODS: Thirty-six male Sprague Dawley (SD) rats were randomly divided into sham operation (sham), ANP and EA groups (n = 12). ANP model was induced by retrograde injection of 5% sodium taurocholate into pancreaticobiliary. EA was applied to Zusanli for 30 min at 2 h and 6 h after the operation in EA group. Gastric and intestinal mucosal blood flow was measured by laser doppler flowmetry (LDF) at 12 h and 24 h after operation, while the levels of serum ET-1, NO, TXB2 and 6-K-PGF1alpha were detected. RESULTS: The gastric and intestinal blood flow in ANP rats were significantly lower than those in the sham group (P < 0.05), but those of EA groups were higher than those in ANP groups (P < 0.05). The serum ET-1, NO and ET-1/NO levels in ANP group were increased when compared with SO group (P < 0.05). After the electro-acupuncture treatment at Zusanli point, the levels of ET-1, NO and ET-1/N were decreased, and there were significant differences of ET-1 (at 12 h, 24 h), NO (at 12 h) and ET-1/NO (at 24 h) between EA and ANP group (P < 0.05). The levels of serum TXB2, 6-K-PGF1alpha and TXB2/6-K-PGF1alpha in ANP group were also increased (P < 0.05), but those in EA group were decreased, and there were significant differences of TXB2 (at 12 h, 24 h), 6-K-PGF1alpha (at 12 h) and TXB2/6-K-PGF1alpha (at 24 h) compared with ANP groups (P < 0.05). CONCLUSION: Electro-acupuncture at Zusanli point can significantly improve the gastric and intestinal mucosa blood flow in ANP rats, which may be related to the regulation of serum ET-1, NO, TXB2, 6-K-PGF1alpha.
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