目的系统评价根除幽门螺杆菌(Helicobacter pylori,H.pylori)对治疗H.pylori(+)的胆汁反流性胃炎患者的影响。方法检索中国知网、维普中文期刊数据库、万方数字化期刊全文数据库、PubMed、Web of Science、Cochrane Library数据库,收集...目的系统评价根除幽门螺杆菌(Helicobacter pylori,H.pylori)对治疗H.pylori(+)的胆汁反流性胃炎患者的影响。方法检索中国知网、维普中文期刊数据库、万方数字化期刊全文数据库、PubMed、Web of Science、Cochrane Library数据库,收集进行H.pylori根除治疗的胆汁反流性胃炎的随机对照试验,检索时限为建库至2023年8月。共纳入6篇文献,并对其进行数据提取和改良Jadad量表质量评价。采用RevMan 5.4.1软件对纳入文献的总有效率、H.pylori根除率、症状评分进行Meta系统评价。结果纳入的6篇文献均为高质量文献。H.pylori根除组在总有效率(MD=1.49,95%CI:1.30~1.72,Z=5.53,P<0.00001)和H.pylori根除率方面(MD=3.83,95%CI:2.33~6.29,Z=5.31,P<0.00001)均优于未根除H.pylori组,腹痛评分(MD=-0.64,95%CI:-1.30~0.02,Z=1.91,P=0.06)和腹胀评分(MD=-0.11,95%CI:-0.45~0.23,Z=0.63,P=0.53)方面差异均无统计学意义。结论对于H.pylori(+)的胆汁反流性胃炎患者的治疗,根除H.pylori治疗可以提高其治疗总有效率、H.pylori根除率,但在缓解腹痛、腹胀症状上无显著意义。展开更多
目的:探究数字减影血管造影(Digital subtraction angiography,DSA)辅助下神经介入取栓术治疗缺血性脑卒中的效果。方法:选择2019年10月至2022年10月本院收治的缺血性脑卒中患者130例作为研究对象。随机将患者分为对照组和观察组,各65...目的:探究数字减影血管造影(Digital subtraction angiography,DSA)辅助下神经介入取栓术治疗缺血性脑卒中的效果。方法:选择2019年10月至2022年10月本院收治的缺血性脑卒中患者130例作为研究对象。随机将患者分为对照组和观察组,各65例。对照组接受静脉溶栓治疗;观察组实施DSA辅助下神经介入取栓术治疗。在术后1 w,分析对比两组的治疗效果。结果:观察组总有效率高于对照组(P<0.05)。治疗前,两组国立卫生研究院卒中量表(National Institute of Health stroke scale,NIHSS)无显著差异(P>0.05)。治疗后,观察组NIHSS评分低于对照组(P<0.05)。观察组血管再通率高于对照组(P<0.05)。结论:对缺血性脑卒中采用DSA辅助下神经介入取栓术治疗能改善患者的神经功能,提高其血管再通率,提高治疗效果。展开更多
Three methods for simulating low dose rate irradiation are presented and experimentally verified by using 0.18 μm CMOS transistors.The results show that it is the best way to use a series of high dose rate irradiatio...Three methods for simulating low dose rate irradiation are presented and experimentally verified by using 0.18 μm CMOS transistors.The results show that it is the best way to use a series of high dose rate irradiations, with 100 °C annealing steps in-between irradiation steps, to simulate a continuous low dose rate irradiation.This approach can reduce the low dose rate testing time by as much as a factor of 45 with respect to the actual 0.5 rad(Si)/s dose rate irradiation.The procedure also provides detailed information on the behavior of the test devices in a low dose rate environment.展开更多
文摘目的:探究数字减影血管造影(Digital subtraction angiography,DSA)辅助下神经介入取栓术治疗缺血性脑卒中的效果。方法:选择2019年10月至2022年10月本院收治的缺血性脑卒中患者130例作为研究对象。随机将患者分为对照组和观察组,各65例。对照组接受静脉溶栓治疗;观察组实施DSA辅助下神经介入取栓术治疗。在术后1 w,分析对比两组的治疗效果。结果:观察组总有效率高于对照组(P<0.05)。治疗前,两组国立卫生研究院卒中量表(National Institute of Health stroke scale,NIHSS)无显著差异(P>0.05)。治疗后,观察组NIHSS评分低于对照组(P<0.05)。观察组血管再通率高于对照组(P<0.05)。结论:对缺血性脑卒中采用DSA辅助下神经介入取栓术治疗能改善患者的神经功能,提高其血管再通率,提高治疗效果。
文摘Three methods for simulating low dose rate irradiation are presented and experimentally verified by using 0.18 μm CMOS transistors.The results show that it is the best way to use a series of high dose rate irradiations, with 100 °C annealing steps in-between irradiation steps, to simulate a continuous low dose rate irradiation.This approach can reduce the low dose rate testing time by as much as a factor of 45 with respect to the actual 0.5 rad(Si)/s dose rate irradiation.The procedure also provides detailed information on the behavior of the test devices in a low dose rate environment.