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Evidence for the medicinal value of Squama Manitis (pangolin scale): A systematic review
Xinyao Jin,Hui Zi Chua,Keyi Wang,Nan Li,Wenke Zheng,Wentai Pang,Fengwen Yang,Bo Pang,Mingyan Zhang,Junhua Zhang 한국한의학연구원 2021 Integrative Medicine Research Vol.10 No.1
Background: Squama Manitis (pangolin scale) has been used in traditional Chinese medicine for thousands of years. However, its efficacy has not been systematically reviewed. This review aims to fill the gap. Methods: We searched six electronic databases including PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure Database (CNKI), WanFang Database and SinoMed from inception to May 1, 2020. Search terms included “pangolin”, “Squama Manitis”, “Manis crassicaudata”, “Manis javanica”, “Malayan pangolins”, “Manis pentadactyla”, “Ling Li”, “Chuan Shan Jia”, “Shan Jia”, “Pao Jia Zhu”, “Jia Pian” and “Pao Shan Jia”. The Cochrane Risk of Bias (RoB) assessment tool and Newcastle-Ottawa Scale (NOS) were used to evaluate the risk of bias of the included randomized controlled trials (RCTs) and case control studies (CCSs). Results: After screening, 15 articles that met the inclusion criteria were finally included. There were 4 randomized controlled trials, 1 case control study, 3 case series and 7 case reports. A total of 15 different diseases were reported in these studies, thus the data could not be merged to generate powerful results. Two RCTs suggested that Squama Manitis combined with herbal decoction or antibiotics could bring additional benifit for treating postpartum hypogalactia and mesenteric lymphadenitis. However, this result was not reliable due to low methodological quality and irrational outcomes. The other two RCTs generated negative results. All the non-RCTs did not add any valuable evidence to the efficacy of Squama Manitis beacause of small samples, incomplete records, non-standardized outcome detection. In general, currently available evidence cannot support the clinical use of Squama Manitis. Conclusion: There is no reliable evidence that Squama Manitis has special medicinal value. The removal of Squama Manitis from Pharmacopoeia is rational.
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Chinese medical drugs for coronavirus disease 2019: a systematic review and meta-analysis
Wentai Pang,Zhi Liu,Nan Li,Yuyun Li,Fengwen Yang,Pang Bo,Xin-Yao Jin,Wenke Zheng,Junhua Zhang 한국한의학연구원 2020 Integrative Medicine Research Vol.9 No.3
Background: Integration of Chinese medical drugs (CMD) and western medicine (WM) has been widely used in the treatment of Coronavirus Disease 2019 (COVID-19). This systematic review aimed to evaluate the efficacy and safety of CMD for COVID-19. Method: A literature search was performed in six databases from injection to June 2020. Both randomized controlled trials (RCTs) and quasi-RCTs were considered as eligible. The quality of included RCTs were assessed by Cochrane Risk of Bias Tool, and Review Manager 5.3 software was used to do meta-analysis. Result: Eleven studies with 1259 patients were included in this study. CMD included herbal decoction and Chinese patent medicine. The methodological quality was evaluated as generally unclear. The results of meta-analysis showed that the integration of CMD and WM had better efficacy than WM in number of patients turned to severe and critical type (RR = 0.47, 95% CI=[0.32, 0.69], P < 0.0001), length of hospital stay (MD= -7.95, 95% CI=[-14.66, -1.24], P = 0.02), defervescence time (MD= -1.20, 95% CI=[-2.03, -0.38], P = 0.004), cough resolution rate (RR = 1.37, 95% CI=[1.15, 1.64], P = 0.0004), fatigue resolution rate (RR = 1.37, 95% CI=[1.02, 1.83], P = 0.04), and tachypnea resolution rate (RR = 2.20, 95% CI=[1.11, 4.39], P = 0.02). As for safety, there was no significant difference between two groups. Conclusion: CMD may bring potential benefit to patients suffered from COVID-19. However, the quality of included trials is not good enough. High quality study with core outcome set are still required.
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Tongue features of patients with coronavirus disease 2019: a retrospective cross-sectional study
Wentai Pang,Dong Zhang,Junhua Zhang,Nan Li,Wenke Zheng,Hui Wang,ChunxiangLiu,Fengwen Yang,Pang Bo 한국한의학연구원 2020 Integrative Medicine Research Vol.9 No.3
Background: Traditional Chinese medicine (TCM) has been widely used in the treatment of coronavirus disease 2019 (COVID-19). Tongue features should be referred for diagnosis and treatment of diseases in TCM. Therefore, it is necessary to analyze the tongue features of the patients suffered from COVID-19. Methods: COVID-19 Symptom Database (established by Evidence-based Medicine Center of Tianjin University of TCM) was searched for eligible tongue pictures. The tongue pictures were assessed by TCM experts to extract the data of tongue color, coating color, tongue body shape and coating proper feature. The relationship between tongue features and patient’s condition was analyzed. Results: Patients diagnosed as mild and moderate COVID-19 commonly had light red tongue and white coating. Severe patients had purple tongue and yellow coating. The proportion of critical patients with tender tongue increased to 75%. Greasy coating was a significant characteristic of patients with COVID-19. The proportions of greasy coating were 53.3%, 73.3%, 83.6% and 87.5% in disease category of mild, moderate, severe and critical. In addition, the thick coating proportion increased from mild (24.9%) to critical (50.0%). Conclusions: Tongue features have certain relationship with the category of COVID-19. Tongue features can serve as potential indicators for the evaluation of patient’s condition and prognosis. Further studies are needed to enhance the quantification of tongue features and develop standards.
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Chengji Mi,Jidong Liu,Xuewen Xiao,Wentai Li,Xiao Sun,Xingzu Ming,Changyan Tao,Ziyi Ren 대한기계학회 2020 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.34 No.3
The traditional fatigue design of accessories attached to a train body does not consider welding residual stress for fatigue life prediction of welded structures during the design stage, thereby resulting in insufficient fatigue strength for local welded parts. The power spectral density of random excitation caused by rail irregularity from American six-level spectrums was obtained in this paper. Through welding thermal elastoplastic theory combined with ellipsoid heat source model, a numerical simulation for welding residual stress production and distribution of a train buffer beam was conducted. In accordance with the coupling stress component, the fatigue performance of a train buffer beam under random loads was evaluated by the AA6082 welded joint S–N curve, whose lifetime did not satisfy design requirements. Then, the surrogate model of a train buffer beam for anti-fatigue optimization design was constructed based on the response surface method. The fatigue life of the optimized train buffer beam increased by two orders with the use of the genetic algorithm to find the optimal solution in global variables.
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