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OBJECTIVE: To investigate the incidence of and risk factors for potential drug-drug interactions (DDIs) among elderly patients with corona virus disease 2019 (-COVID-19) in hospital and to explore management strategies to reduce the occurrence of potential DDIs and ensure patient medication safety. MATERIALS AND METHODS: This was a descriptive, retrospective cross-sectional study among patients aged 65 years and older who were hospitalized with COVID-19. Potential DDIs associated with prescriptions containing two or more medicines were analyzed with Lexicomp software, the incidence of DDIs was calculated, recommendations for medication adjustment were formulated, and the χ2-test and binary logistic regression were used to analyze related risk factors. RESULTS: A total of 772 prescriptions were analyzed, 527 (68.26) of which involved 5,732 potential DDIs. The results of this study showed that a total of 152 (28.84%) prescriptions had 270 X risk class potential DDIs (i.e., avoid combining), 313 (59.39%) prescriptions had 1,161 D risk class potential DDIs (i.e., consider therapy modification), and 476 (90.32%) prescriptions had 4,301 C risk class potential DDIs (i.e., monitor therapy). The study findings showed that the total number of drugs (p < 0.001), the length of hospital stay (p < 0.001), and the number of comorbidities (p < 0.001) were risk factors affecting the occurrence of potential DDIs. CONCLUSION: This study identified factors associated with potential DDIs, which can assist in changing medication strategies, preventing adverse drug reactions, and improving clinical efficacy.

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Vitiligo is one of the common chronic autoimmune skin diseases in clinic, which is characterized by localized or generalized depigmentation and seriously affects the physical and mental health of patients. At present, the pathogenesis of vitiligo is not clear; mainly, heredity, autoimmunity, oxidative stress, melanocyte (MC) self-destruction, and the destruction, death, or dysfunction of MCs caused by various reasons are always the core of vitiligo. Regulatory cell death (RCD) is an active and orderly death mode of cells regulated by genes, which widely exists in various life activities, plays a pivotal role in maintaining the homeostasis of the organism, and is closely related to the occurrence and development of many diseases. With the deepening of the research and understanding of RCD, people gradually found that there are many different forms of RCD in the lesions and perilesional skin of vitiligo patients, such as apoptosis, autophagy, pyroptosis, ferroptosis, and so on. Different cell death modes have different mechanisms in vitiligo, and different RCDs can interact and regulate each other. In this article, the mechanism related to RCD in the pathogenesis of vitiligo is reviewed, which provides new ideas for exploring the pathogenesis and targeted treatment of vitiligo.

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ObjectiveIn the treatment of acute gouty arthritis （AGA）， western medicine is mostly used for anti-inflammatory and analgesic purposes to control the blood uric acid level， but some patients are still at risk of poor control and recurrent attacks. Chinese medicinal prescriptions， potent in resisting inflammation and relieving pain， are able to stabilize the blood uric acid level， reduce acute attacks， and improve the clinical efficacy of western medicine. However， there is a lack of evidence to support their use as evidence-based medicine. This study employed network Meta-analysis （NMA） to evaluate the efficacy and safety of common Chinese medicinal prescriptions in the treatment of AGA， aiming to provide evidence-based medical evidence for the clinical use of Chinese medicinal prescriptions in the treatment of AGA. MethodChinese and English databases were searched for prospective cohort studies and randomized controlled trials （RCTs） on Chinese medicinal prescriptions against AGA from database inception to December 1， 2022. Stata software and Review Manager were used for statistical analysis. ResultForty-four papers with 3 564 cases involved were included in the current NMA. In terms of reducing blood uric acid， the cumulative probability results showed that Mahuang Lianyao Chixiaodou Tang showed optimal efficacy （87.60%）. In terms of relieving joint pain， Danggui Niantongtang and Guizhi Shaoyao Zhimutang showed optimal efficacy （92.00% and 82.30%）. In terms of improving erythrocyte sedimentation rate （ESR）， Simiaowan was superior to other prescriptions （87.00%）. In terms of reducing C-reactive protein （CRP）， Simiaowan and Baihutang modified with Guizhitang showed superior efficacy （76.00% and 66.10%）. In terms of safety， except for the basic treatment group， Mahuang Lianyao Chixiaodou Tang had the lowest probability of adverse events， and Danggui Niantongtang had the highest probability of adverse reactions during treatment. According to the results of cluster analysis， Mahuang Lianyao Chixiaodou Tang and Simiaowan are effective and safe. ConclusionAccording to the results of NMA， Chinese medicinal prescriptions can assist in the treatment of AGA and improve the effectiveness of western medicine. For patients with AGA， clinicians can choose Mahuang Lianyao Chixiaodou Tang or Simiaowan as an auxiliary drug for routine western medicine treatment.

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At the end of 2019, the novel coronavirus infection outbroke in Wuhan, Hubei Province. On Feb. 2, 2020, Wuhan, as the worst-hit region, began to build "shelter hospital" rapidly to treat patients with mild illness. The shelter hospital has multiple functions such as emergency treatment, surgical treatment and clinical test, which can adapt to emergency medical rescue tasks. Based on the characteristics that shelter hospital only treats patients with mild illness, tests of shelter laboratory, including coronavirus nucleic acid detection, IgM/IgG antibody serology detection, monitoring and auxiliary diagnosis and/or a required blood routine, urine routine, C-reactive protein, calcitonin original, biochemical indicators (liver enzymes, myocardial enzymes, renal function, etc.) and blood coagulation function test etc, were used to provide important basis for the diagnosis and treatment of the disease. In order to ensure laboratory biosafety, it is necessary to first evaluate the harm level of various specimens. In the laboratory biosafety management, the harm level assessment of microorganisms is the core work of biosafety, which is of great significance to guarantee biosafety. As an emergency deployment affected by the environment, shelter laboratory must possess strong mobility. This paper will explore how to combine the biosafety model of traditional laboratory with the particularity of shelter laboratory to carry out effective work in response to the current epidemic.

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BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality worldwide. Genome-wide association studies in non-Asian population revealed a link between COPD and mutations in the PTCH1 gene encoding Patched1, a receptor in the Hedgehog signaling pathway important for lung morphogenesis and pulmonary function. The aim of this study was to investigate the association between PTCH1 polymorphisms and the COPD risk in the Chinese Han population. METHODS: We performed a case-control study including 296 patients with COPD and 300 healthy individuals. Single-nucleotide polymorphisms in the PTCH1 gene were identified and genotyped based on the linkage disequilibrium analysis in all participants. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were estimated using logistic regression analysis after adjustment for age, gender, and smoking. RESULTS: In total, 28 single-nucleotide polymorphisms were identified in patients with COPD. Among them, "A" allele of rs28491365 (OR: 1.388, 95% CI: 1.055-1.827, P = 0.018), and "G" alleles of rs10512248 (OR: 1.299, 95% CI: 1.021-1.653, P = 0.033) and rs28705285 (OR: 1.359, 95% CI: 1.024-1.803, P = 0.033; respectively) were significantly associated with an increased COPD risk. Genetic model analysis revealed that the "T/T" genotype of rs34695652 was associated with a decreased COPD risk under the recessive model (OR: 0.490, 95% CI: 0.270-0.880, P = 0.010), whereas rs28504650/rs10512248 haplotype CG was significantly associated with an increased COPD risk after adjustment for age, gender, and smoking status (OR: 6.364, 95% CI: 1.220-33.292, P = 0.028). CONCLUSIONS: The study provides a new insight into the role of PTCH1 polymorphisms in the susceptibility to COPD in the Chinese Han population.

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