ObjectivesTo systematically review the efficacy of acupuncture for improving migraine symptoms and cerebral blood flow velocity.MethodsCBM, CNKI, VIP, WanFang Data, PubMed, EMbase and The Cochrane Library databases were electronically searched to collect randomized controlled trials (RCTs) on acupuncture for improving migraine symptoms and cerebral blood flow velocity from inception to September, 2017. Two reviewers independently screened literature, extracted data and assessed risk of bias of included studies, then, meta-analysis was performed by using RevMan 5.3 software.ResultsA total of 17 RCTs involving 2 226 patients were included. The results of meta-analysis showed that, acupuncture could effectively reduce the frequency of migraine compared with placebo acupuncture (SMD=−0.97, 95%CI −1.60 to −0.34, P=0.002) and medicine group (SMD=−1.29, 95%CI −1.85 to −0.73, P<0.000 01). Acupuncture could shorten duration of headache compared with placebo acupuncture (SMD=−0.73, 95%CI −1.25 to −0.21, P=0.006) and medicine group (SMD=−0.88, 95%CI −1.32 to −0.45, P<0.000 1). Compared with placebo acupuncture, acupuncture could relieve headache intensity (SMD=−0.67, 95%CI −1.15 to −0.19, P=0.006). The acupuncture group was superior to the placebo acupuncture group (SMD=−10.99, 95%CI −16.62 to −5.36, P=0.000 1) and medicine group (SMD=−0.63, 95%CI −0.87 to −0.40, P<0.000 01) in improving the cerebral blood flow velocity.ConclusionsCurrent evidence shows that acupuncture can effectively reduce frequency of migraine, shorten duration of migraine, relieve intensity of migraine and improve cerebral blood flow velocity. Due to limited quality of the included studies, more high quality studies are required to verify above conclusion.
Objective To investigate the effect of chaiqin chengqi decoction (CQCQD) on serum lipid metabolism in experimental acute pancreatitis. Methods A total of 27 C57BL/6 mice were randomly divided into three groups (n=9 for each group). The mice in the acute pancreatitis model group (AP group) and the acute pancreatitis model + CQCQD treatment group (APQ group) received seven intraperitoneal injections of cerulein (50 µg/kg) at hourly intervals, while the mice in the control group (CON group) received phosphate-buffered saline injections at the same regimen of cerulein. Oral gavage of CQCQD (5.5 g/kg) or same volume of distilled water was commenced 1 h after the first cerulein injection for three times at intervals of 4 h for the APQ group and AP group, respectively. Animals were sacrificed 12 h after the first cerulein / phosphate-buffered saline injection for collecting serum and tissue samples. The levels of serum lipase and amylase, pancreatic histopathology assessment, as well as pancreatic myeloperoxidase activity, were used to assess the severity of acute pancreatitis and the efficacy of CQCQD. Additionally, serum lipid metabolites were analyzed in all groups. Results In comparison to the CON group, the mice in the AP group exhibited significant edema, inflammatory cell infiltration, necrosis of pancreatic tissues, as well as elevated levels of serum amylase, lipase, and pancreatic myeloperoxidase activity (P<0.05); in comparison to the AP group, inflammatory cell infiltration and necrosis of pancreatic tissue, as well as elevated level of serum amylase significantly reduced in the APQ group (P<0.05). A total of 319 lipid molecules were identified in serum, and 13 lipid metabolites were significantly increased in the AP group and successfully decreased in the APQ group, of which 9 were lyso-phosphatidylethanolamine (LPE) molecules involved in the glycerol phospholipid metabolic pathway. Further statistical analysis revealed that six of these LPE molecules could serve as potential biomarkers. Conclusions CQCQD ameliorated pancreatic injury and serum lipid metabolism disorder of acute pancreatitis model induced by cerulein and significantly improved the abnormal increase of serum LPE level. However, the role of LPE in acute pancreatitis and the underlying mechanisms of CQCQD on LPE metabolic pathways still need further study.