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| 1 | 环闭护理干预对脑出血患者肺部菌群及症状的影响显示文摘目的探讨环闭护理干预对脑出血患者肺部菌群及患者症状的影响,为后续研究提供参考。方法选取2017年2月至2018年6月我院收治的97例脑出血合并肺部感染患者为研究对象。采用随机数字法将患者分为研究组(n=47)和对照组(n=50)。研究组患者行环闭式护理,对照组行常规护理。观察两组患者生活质量、SAS和SDS评分、症状改善时间、总住院时间、肺部菌群、并发症发生率、病死率及护理满意度。结果干预后,研究组患者生活质量高于对照组,SAS和SDS评分低于对照组(均P<0.05)。干预后,研究组患者头痛、头晕、运动障碍、呼吸困难、咳嗽、总住院时间均低于对照组(均P<0.05)。干预后,研究组患者肺部菌群数量、并发症率(2.13%)、病死率(2.13%)均低于对照组,护理满意度(93.62%)高于对照组(均P<0.05)。结论环闭护理可改善脑出血患者肺部菌群紊乱及患者临床症状,减少患者并发症与病死率,提高患者生活质量。 | 白雪 郭琦 | 2021 | 中国微生态学杂志2021，33，2： | 1 |
| 2 | Mathematical modeling of the impact of temperature variations and immigration on malaria prevalence in Nigeria显示文摘The study examines the population-level impact of temperature variability and immigration on malaria prevalence in Nigeria,using a novel deterministic model.The model incorporates disease transmission by immigrants into the community.In the absence of immigration,the model is shown to exhibit the phenomenon of backward bifurcation.The disease-free equilibrium of the autonomous version of the model was found to be locally asymptotically stable in the absence of infective immigrants.However,the model exhibits an endemic equilibrium point when the immigration parameter is greater than zero.The endemic equilibrium point is seen to be globally asymptotically stable in the absence of disease-induced mortality.Uncertainty and sensitivity analysis of the model,using parameter values and ranges relevant to malaria transmission dynamics in Nigeria,shows that the top three parameters that drive malaria prevalence(with respect to R_(0))are the mosquito natural death rate(μM),mosquito biting rate(bM)and the transmission rates between humans and mosquitoes(βH,βM).Numerical simulations of the model show that in Nigeria,malaria burden increases with increasing mean monthly temperature in the range of 22–28℃.Thus,this study suggests that control strategies for malaria should be intensified during this period.It is further shown that the proportion of infective immigrants has marginal effect on the transmission dynamics of the disease.Therefore,the simulations suggest that a reduction in the fraction of infective immigrants,either exposed or infectious,would significantly reduce the malaria incidence in a population. | Eunice E.Ukwajunor Eno E.E.Akarawak Israel Olutunji Abiala | 2021 | International Journal of Biomathematics2021，14，8： | 0 |
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