摘要:Objective To study the bacteriostasis of Chenopodium ambrosioides L. against HP metronidazole resistant and susceptible strains in vitro. Methods The minimal inhibitory concentrations (MIC) of Chenopodium ambrosioides L. against HP were selected,agar dilution method used to observe the effect of the drug on the growth of HP under different drug concentrations and different action times,with HP metronidazole resistant strain (26695-16R,26695-8 R16S,26695-2 R8S) and susceptible strains (NCTC 11637,26695)setting as the experimental strains. Results Chenopodium ambrosioides L. was active against HP metronidazole resistant and susceptible strains under different action times (MIC value 4 ~ 256 μg/m L),and the differences of MIC values decreased with the prolongation of drug action time. Conclusion Chenopodium ambrosioides L. had bacteriostasis to HP metronidazole resistant and susceptible strains. The antibacterial effect was positively related with the drug concentrations and the effect tended to be stable after 72 h.
摘要:Objective To observe the changes of intestinal flora structure and abundance in mice with gastritis induced by Helicobacter pylori (HP). The cecal contents were obtained for sequencing analysis,and the effects of long-term use of the extract of Chenopodium ambrosioides L. on mice were investigated by analyzing the changes in the structure of the intestinal flora. Methods Thirty male Kunming mice were randomly divided into blank group (n = 10),model group (n = 10) and CAL (Chenopodium ambrosioides L.)group (n = 10). After HP infection was established,they were administered drugs for 4 weeks,and fresh rectal stools of each group of mice were taken at the same time. The 16 S rDNA-V3-V4 region of the fecal samples was sequenced on an Illumina Hi Seq PE250 highthroughput sequencing platform to quantify the structure and abundance of the intestinal flora. Results At the level of the portal,the relative abundance of the Helicobacter pylori infection model group,such as Bacteroides, Proteobacteria, Mycobacterium, Softwalled bacteria,and actinomycetes,were decreased,and the relative abundance of the thick-walled bacteria increased in the model group. There were significant differences with the blank group and the schizonepeta group; at the genus level,the relative abundance of the model group Lactobacillus and Bifidobacterium decreased, Bacteroides, rumen cocci, dystrophic and Phytophthora,Enterococcus,increased. The relative abundance of the genus Monocytogenes was elevated. The relative abundance of Enterobacter and Limerella was increased,and the relative abundance of Enterococcus was decreased. Conclusion This study suggests that colonization of HP significantly could change the structure of the intestinal flora,and the abundance and diversity of the intestinal flora could be reduced. The pathogenesis of HP infection with gastritis may be related to the decrease of probiotics and the increase of harmful flora. Intervention of E. striata can improve the effect of HP infection on intestinal flora and increase the diversity of flora.
摘要:Objective To analyze the current situation and existing problems of the control type of randomized controlled trials (RCTs) and provide references and suggestions for improving the efficacy evaluation of RCTs. Methods The RCTs on Chinese herbal medicine for type 2 diabetes mellitus in China National Knowledge Internet,VIP database,Wanfang database,Sinomed,Pubmed and CENTRAL were searched from establishment of database to June 2017, and classified and evaluated properly according to control setting principle of clinical epidemiology. Results A total of 2046 RCTs published from 1986 to 2017 were included,including 2030 in Chinese and 16 in English. In this study, only 68 (3. 32 %) RCTs used placebo control. Glucoselowering western medicine and insulin were the main controls used by RCTs (1700,83. 09 %), and the proportion increased with years. The proportion of Chinese herbal medicine as control was the second (207,10. 12 %),but decreased during the last10 years. Conclusion Due to lack of high quality evidence in most of the Chinese herbal medicine at present, it may be unreasonable for Chinese herbal medicine as a control to prove the effect of interventions,and placebo-controlled trials should be added based on the conventional treatments.
摘要:Objective To explore the application of QOL scale in the clinical research of pediatric eczema and the problems. Methods The literatures about application of QOL scale in the clinical research of pediatric eczema in China and abroad were reviewed and the present status were analyzed. Results The utilization of QOL in China was still in learning period,and meanwhile the content of selfdesigned scales only involved infants’ dermatitis quality of life index (IDQo L). The research of QOL scale in other countries was at the exploratory stage. Its reliability and validity need further to be checked and tested. But the open access to the database and website can make it possible for further study. Conclusion The specific QOL scale for pediatric eczema should combine with the advantages of other scales based on the existing scale,and take the reliability and validity into account to make it reasonable,effective and practical.
摘要:Objective Objective To know the effect of acupuncture for cancer patients ’ quality of life and the quality of related literatures. Methods The randomized controlled trials (RCTs) studies involving the effect of acupuncture for cancer patients’ quality of life,related complications with scores of quality of life as the onset criteria published from January 2012 to October 2017 were searched on CNKI,WANFANG and VIP databases. Cochrane Risk of Bias Criteria and STRICTA Criteria were used to assess the quality of trials. Results 32 RCTs were included,involving 1878 patients. A majority of the included trials were of moderate to high risk of bias in methodological quality,and the quality of evidence was low. Due to the large heterogeneity among the studies,the outcome data could not be pooled quantitatively. 68. 75% of trials reported that acupuncture could improve the cancer patients’ quality of life,but 9. 38%trials didn’t support this viewpoint. There were still many problems in the quality of the methodology and acupuncture intervention in this field,such as imperfection and inaccuracy. Conclusion The Results show that acupuncture can improve the quality of life of cancer patients to a certain extent. But because of the low quality evidences of studies and small sample size,the credibility is not high. High quality,multi-centered prospective RCTs with bigger sample size are needed to certify the effect of acupuncture.
关键词:cancer;acupuncture;quality of life;scale;randomized controlled trial
摘要:Objective To investigate the effect of Liqi Jianpi Formula-invigorating spleen qi on esophageal and gastric varices bleeding (EGVB) in patients with cirrhosis. Methods A total of 427 cases of patients with liver cirrhosis accompanied by esophageal gastric varices,who flowed the inclusion criteria,were collected from January 2010 to July 2016 in Beijing Ditan Hospital affiliated to the Capital Medical University,and they were followed up for 1 year. According to the fact whether EGVB occurred or not,they were divided into bleeding group and non-bleeding group,Logistic regression method was used to analyze the independent risk factors for the happening of EGVB,and the prevention effect of the formula on EGVB observed. Results Whether Liqi Jianpi Formula was taken or not is one of the independent risk factors of EGVB for patients with cirrhosis within one year. Of the two groups by 1∶1 propensity score matching,EGVB in Liqi Jianpi Formula group accounted for 21. 9%,in control group 48. 5%,and EGVB was reduced by 26. 6% in Liqi Jianpi Forumla group compared with that of the control group,and difference was statistically significant (P = 0. 002); for the time from follow-up to EGVB,Liqi Jianpi Forumla group was(8. 4 ± 0. 3) months,the control group was(5. 3 ± 0. 2) months,the two groups had statistical difference (P < 0. 01). Conclusion Liqi Jianpi Formula can reduce the incidence of EGVB within 1 year in patients with cirrhosis,extend time in liver cirrhosis patients with esophageal gastric varices with no bleeding.
关键词:cirrhosis;esophageal and gastric varices bleeding;Liqi Jianpi Formula;TCM therapy