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The Benefits of Indirect Exposure to Trauma
Xiaofei Kang,Yueyan Fang,Sihan Li,Yadong Liu,Di Zhao,Xiujuan Feng,Yaqi Wang,Ping Li 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.5
Objective Ambulance personnel who witness trauma experienced by patients have been reported to experience positive changes, known as vicarious posttraumatic growth (VPTG). We examined VPTG and its relationship with social support and resilience among ambulance personnel. Methods The sample (n=227) was recruited from six emergency centers in China. The measures included the Posttraumatic Growth Inventory (PTGI), the Social Support Rating Scale (SSRS), and the 10-item Connor-Davidson Resilience Scale (CD-RISC-10). Structure Equation Modeling (SEM) and the bootstrapping procedure were used to examine indirect effects. Results The participants’ mean score for VPTG was 68.96 (SD=15.51). Social support had significant direct effects on resilience (β=0.51, p<0.001) and VPTG (β=0.25, p=0.001), and resilience (β=0.58, p<0.001) had a significant direct effect on VPTG. Furthermore, social support had a significant indirect effect (0.51×0.58=0.30, p<0.001) on VPTG through resilience. Conclusion Although the nature of the work of ambulance personnel is not expected to change, the negative effects of the trauma they encounter can be reduced by providing them with more support resources and interventions to foster their resilience, which in turn, promote VPTG.
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Zhou Jing,Qiu Xuemei,Chen Xuejing,Ma Sihan,Chen Zhaoyang,Wang Ruzhe,Tian Ying,Jiang Yufan,Fan Li,Wang Jingjie 한국미생물학회 2023 The journal of microbiology Vol.61 No.9
Polycystic ovary syndrome (PCOS) is a common disease of endocrine–metabolic disorder, and its etiology remains largely unknown. The gut microbiota is possibly involved in PCOS, while the association remains unclear. The comprehensive analysis combining gut microbiota with PCOS typical symptoms was performed to analyze the role of gut microbiota in PCOS in this study. The clinical patients and letrozole-induced animal models were determined on PCOS indexes and gut microbiota, and fecal microbiota transplantation (FMT) was conducted. Results indicated that the animal models displayed typical PCOS symptoms, including disordered estrous cycles, elevated testosterone levels, and ovarian morphological change; meanwhile, the symptoms were improved after FMT. Furthermore, the microbial diversity exhibited disordered, and the abundance of the genus Ruminococcus and Lactobacillus showed a consistent trend in PCOS rats and patients. The microbiota diversity and several key genera were restored subjected to FMT, and correlation analysis also supported relevant conclusions. Moreover, LEfSe analysis showed that Gemmiger, Flexispira, and Eubacterium were overrepresented in PCOS groups. Overall, the results indicate the involvement of gut microbiota in PCOS and its possible alleviation of endocrinal and reproductive dysfunctions through several special bacteria taxa, which can function as the biomarker or potential target for diagnosis and treatment. These results can provide the new insights for treatment and prevention strategies of PCOS.
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Xiaohui Yang,Xianfeng Diao,Tingyu Zhou,Fei Hu,Sihan Wang 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.1
Tectonic movement, heavy rainfall and other environmental factors are important factors causing the slope instability of accumulation body. Aiming at jiangdingya H1 landslide in Bailong River Basin, Zhouqu County, Gansu Province, the deformation law and stability of accumulation landslide under the coupling condition of earthquake and rainfall were systematically analyzed by means of laboratory physical model test, numerical simulation and theoretical derivation. The results show that: 1) The crack development law of landslide model test under the coupling effect of earthquake and rainfall is analyzed, and the stability characteristics of landslide deformation and failure in three stages are obtained. 2) According to the model test and numerical simulation results, it is found that the coupling effect has the greatest influence on the stability of the slope toe of the accumulation landslide, and the failure mode of the accumulation landslide changes from “pull-shear” failure to “compression-shear” failure, and the failure of the accumulation landslide occurs in a local location. 3) Based on the unbalanced thrust method and GA model, a landslide stability calculation model of loose accumulation body under the coupling effect of earthquake and rainfall was improved by comprehensively considering the effects of complex factors such as seismic inertia force and seepage force.The research results can provide reference for landslide prevention, monitoring and early warning in Zhouqu area of Gansu Province.
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