目的:采用Meta分析比较磁共振成像(MRI)与超声(US)对唇腭裂产前诊断的临床应用价值。方法:检索Embase、PubMed、Web of Science、Cochrane Library、万方、维普、中国知网及中国生物医学文献等数据库,查找比较MRI及US对胎儿唇腭裂产前...目的:采用Meta分析比较磁共振成像(MRI)与超声(US)对唇腭裂产前诊断的临床应用价值。方法:检索Embase、PubMed、Web of Science、Cochrane Library、万方、维普、中国知网及中国生物医学文献等数据库,查找比较MRI及US对胎儿唇腭裂产前诊断的相关研究,检索时限为2000年1月至2022年12月。计算汇总诊断比值比、灵敏度、特异度、阳性似然比、阴性似然比、受试者工作特性曲线下面积(AUC)、验前验后概率及95%CI。结果:纳入文献6篇,共235例。MRI和US合并灵敏度分别为0.98(95%CI:0.94~0.99)和0.70(95%CI:0.35~0.91),差异有统计学意义(P<0.05)。MRI和US合并特异度分别为0.84(95%CI:0.76~0.90)和0.59(95%CI:0.21~0.89),差异有统计学意义(P<0.05)。MRI的AUC显著高于US的AUC(0.98 vs.0.84,P<0.05)。结论:对于胎儿唇腭裂的产前诊断,MRI较US诊断效能更高,可作为产前US诊断的首要补充方法。展开更多
We synthesized BiVO_(4)mesocrystals with ordered assembly structure,and studied the structural order and the relationship between the photodegradation of Rhodamine B.Au nanoparticles(NPs)were successfully loaded onto ...We synthesized BiVO_(4)mesocrystals with ordered assembly structure,and studied the structural order and the relationship between the photodegradation of Rhodamine B.Au nanoparticles(NPs)were successfully loaded onto Meso-BiVO_(4)by light-assisted induction,and Cd nanoparticles were further selected to be deposited on Au nanoparticles to form Z-scheme photocatalyst Meso-BiVO_(4)-Au-CdS heterostructures.We try and propose to analyze its ordered assembly structure by XRD for the first time.The results show that Meso-BiVO_(4)is a mesocrystal with highly exposed(001)plane and directional assembly structure.The charge separation efficiency of all samples was studied by PL spectroscopy.The results show that the Z-scheme Meso-BiVO_(4)-Au-CdS can promote the charge separation and obtain the best carrier separation efficiency.Thus,it has the best photocatalytic activity in the experiment of photocatalytic degradation of rhodamine B.The main active species in the degradation process were confirmed by free radical trapping experiment,and the degradation mechanism was put forward.展开更多
目的系统评价TACE联合射频消融(RFA)与联合微波消融(MWA)治疗原发性肝细胞癌(pHCC)效果。方法检索PubMed、Web of Science、Cochrane Library、万方医学网及中国知网数据库2000年1月—2022年12月关于比较TACE联合RFA或MWA治疗pHCC效果...目的系统评价TACE联合射频消融(RFA)与联合微波消融(MWA)治疗原发性肝细胞癌(pHCC)效果。方法检索PubMed、Web of Science、Cochrane Library、万方医学网及中国知网数据库2000年1月—2022年12月关于比较TACE联合RFA或MWA治疗pHCC效果的文献,根据纳入及排除标准加以筛选。对计量资料以标准均数差(SMD)、计数资料以比值比(OR)为效应指标,采用STATA 16.0软件分析TACE联合RFA或MWA治疗pHCC效果。结果共纳入15项文献、1244例HCC。Meta分析结果显示,TACE联合RFA或pMWA治疗HCC有效率[OR=1.01,95%CI(0.71,1.45),P=0.96]及疾病控制率[OR=0.91,95%CI(0.43,1.94),P=0.81]差异无统计学意义;治疗后甲胎蛋白(AFP)[SMD=0.12,95%CI(-0.23,0.47),P=0.50]、谷丙转氨酶(GPT)[SMD=-0.49,95%CI(-1.53,0.57),P=0.37]差异均无统计学意义,谷草转氨酶(GOT)差异有统计学意义[SMD=-0.84,95%CI(-1.38,-0.30),P=0.002];治疗后1年[OR=0.93,95%CI(0.63,1.37),P=0.71]、2年[OR=0.92,95%CI(0.66,1.28),P=0.62]及3年[OR=0.67,95%CI(0.36,1.24),P=0.20]患者生存率差异均无统计学意义。结论TACE联合RFA或MWA治疗pHCC效果相当,前者所致肝功能损伤更轻。展开更多
文摘目的:采用Meta分析比较磁共振成像(MRI)与超声(US)对唇腭裂产前诊断的临床应用价值。方法:检索Embase、PubMed、Web of Science、Cochrane Library、万方、维普、中国知网及中国生物医学文献等数据库,查找比较MRI及US对胎儿唇腭裂产前诊断的相关研究,检索时限为2000年1月至2022年12月。计算汇总诊断比值比、灵敏度、特异度、阳性似然比、阴性似然比、受试者工作特性曲线下面积(AUC)、验前验后概率及95%CI。结果:纳入文献6篇,共235例。MRI和US合并灵敏度分别为0.98(95%CI:0.94~0.99)和0.70(95%CI:0.35~0.91),差异有统计学意义(P<0.05)。MRI和US合并特异度分别为0.84(95%CI:0.76~0.90)和0.59(95%CI:0.21~0.89),差异有统计学意义(P<0.05)。MRI的AUC显著高于US的AUC(0.98 vs.0.84,P<0.05)。结论:对于胎儿唇腭裂的产前诊断,MRI较US诊断效能更高,可作为产前US诊断的首要补充方法。
文摘We synthesized BiVO_(4)mesocrystals with ordered assembly structure,and studied the structural order and the relationship between the photodegradation of Rhodamine B.Au nanoparticles(NPs)were successfully loaded onto Meso-BiVO_(4)by light-assisted induction,and Cd nanoparticles were further selected to be deposited on Au nanoparticles to form Z-scheme photocatalyst Meso-BiVO_(4)-Au-CdS heterostructures.We try and propose to analyze its ordered assembly structure by XRD for the first time.The results show that Meso-BiVO_(4)is a mesocrystal with highly exposed(001)plane and directional assembly structure.The charge separation efficiency of all samples was studied by PL spectroscopy.The results show that the Z-scheme Meso-BiVO_(4)-Au-CdS can promote the charge separation and obtain the best carrier separation efficiency.Thus,it has the best photocatalytic activity in the experiment of photocatalytic degradation of rhodamine B.The main active species in the degradation process were confirmed by free radical trapping experiment,and the degradation mechanism was put forward.
文摘目的系统评价TACE联合射频消融(RFA)与联合微波消融(MWA)治疗原发性肝细胞癌(pHCC)效果。方法检索PubMed、Web of Science、Cochrane Library、万方医学网及中国知网数据库2000年1月—2022年12月关于比较TACE联合RFA或MWA治疗pHCC效果的文献,根据纳入及排除标准加以筛选。对计量资料以标准均数差(SMD)、计数资料以比值比(OR)为效应指标,采用STATA 16.0软件分析TACE联合RFA或MWA治疗pHCC效果。结果共纳入15项文献、1244例HCC。Meta分析结果显示,TACE联合RFA或pMWA治疗HCC有效率[OR=1.01,95%CI(0.71,1.45),P=0.96]及疾病控制率[OR=0.91,95%CI(0.43,1.94),P=0.81]差异无统计学意义;治疗后甲胎蛋白(AFP)[SMD=0.12,95%CI(-0.23,0.47),P=0.50]、谷丙转氨酶(GPT)[SMD=-0.49,95%CI(-1.53,0.57),P=0.37]差异均无统计学意义,谷草转氨酶(GOT)差异有统计学意义[SMD=-0.84,95%CI(-1.38,-0.30),P=0.002];治疗后1年[OR=0.93,95%CI(0.63,1.37),P=0.71]、2年[OR=0.92,95%CI(0.66,1.28),P=0.62]及3年[OR=0.67,95%CI(0.36,1.24),P=0.20]患者生存率差异均无统计学意义。结论TACE联合RFA或MWA治疗pHCC效果相当,前者所致肝功能损伤更轻。