目的探讨胎龄<32周的早产儿发生脑室周围-脑室内出血(periventricular-intraventricular hemorrhage,PIVH)进展的潜在危险因素。方法回顾性收集2020年1月1日至2022年12月31日,江苏省新生儿围产期协作网20家医疗机构新生儿重症监护室...目的探讨胎龄<32周的早产儿发生脑室周围-脑室内出血(periventricular-intraventricular hemorrhage,PIVH)进展的潜在危险因素。方法回顾性收集2020年1月1日至2022年12月31日,江苏省新生儿围产期协作网20家医疗机构新生儿重症监护室收治的胎龄<32周、生后3 d内第一次头颅B超提示Ⅰ、Ⅱ度PIVH,且10天内复查第二次头颅B超的早产儿临床资料。排除先天畸形、基因异常、信息不全的早产儿。采用多因素Logistic回归分析生后早期PIVH进展的危险因素。结果共纳入3347例早产儿资料,其中胎龄小于32周者551例,将"自Ⅰ、Ⅱ度发展为Ⅲ、Ⅳ度"的患儿纳入进展组(共29例),其余522例纳入未进展组。单因素Logistic回归分析结果显示,胎龄、是否多胎、1 min Apgar评分、分娩前母亲体温超过38℃、新生儿危重病例评分、新生儿急性生理学评分-Ⅱ(Score for Neonatal Acute Physiology-Ⅱ,SNAP-Ⅱ)、新生儿急性生理学评分围产期补充评分Ⅱ(Score for Neonatal Acute Physiology,Perinatal Extension,VersionⅡ,SNAPPE-Ⅱ)、早发败血症、新生儿窒息、新生儿肺动脉高压、休克、早产儿贫血、血小板减少症、生后有创机械通气、使用肺泡表面活性物质、输入血小板和血浆是早期PIVH进展的相关因素(P<0.05)。多因素Logistic回归分析显示,胎龄<28周(OR=6.346,95%CI:2.914~13.824)、分娩前母亲体温超过38℃(OR=2.454,95%CI:1.153~5.225)是早期PIVH进展的危险因素(P<0.05)结论胎龄<32周的早产儿出现PIVH早期进展的危险因素是胎龄<28周和分娩前母亲体温超过38℃。展开更多
In this paper,we mainly focus on a type of nonlinear Choquard equations with nonconstant potential.Under appropriate hypotheses on potential function and nonlinear terms,we prove that the above Choquard equation with ...In this paper,we mainly focus on a type of nonlinear Choquard equations with nonconstant potential.Under appropriate hypotheses on potential function and nonlinear terms,we prove that the above Choquard equation with prescribed 2-norm has some normalized solutions by introducing variational methods.展开更多
This article studies a class of nonlinear Kirchhoff equations with exponential critical growth,trapping potential,and perturbation.Under appropriate assumptions about f and h,the article obtained the existence of norm...This article studies a class of nonlinear Kirchhoff equations with exponential critical growth,trapping potential,and perturbation.Under appropriate assumptions about f and h,the article obtained the existence of normalized positive solutions for this equation via the Trudinger-Moser inequality and variational methods.Moreover,these solutions are also ground state solutions.Additionally,the article also characterized the asymptotic behavior of solutions.The results of this article expand the research of relevant literature.展开更多
文摘目的探讨胎龄<32周的早产儿发生脑室周围-脑室内出血(periventricular-intraventricular hemorrhage,PIVH)进展的潜在危险因素。方法回顾性收集2020年1月1日至2022年12月31日,江苏省新生儿围产期协作网20家医疗机构新生儿重症监护室收治的胎龄<32周、生后3 d内第一次头颅B超提示Ⅰ、Ⅱ度PIVH,且10天内复查第二次头颅B超的早产儿临床资料。排除先天畸形、基因异常、信息不全的早产儿。采用多因素Logistic回归分析生后早期PIVH进展的危险因素。结果共纳入3347例早产儿资料,其中胎龄小于32周者551例,将"自Ⅰ、Ⅱ度发展为Ⅲ、Ⅳ度"的患儿纳入进展组(共29例),其余522例纳入未进展组。单因素Logistic回归分析结果显示,胎龄、是否多胎、1 min Apgar评分、分娩前母亲体温超过38℃、新生儿危重病例评分、新生儿急性生理学评分-Ⅱ(Score for Neonatal Acute Physiology-Ⅱ,SNAP-Ⅱ)、新生儿急性生理学评分围产期补充评分Ⅱ(Score for Neonatal Acute Physiology,Perinatal Extension,VersionⅡ,SNAPPE-Ⅱ)、早发败血症、新生儿窒息、新生儿肺动脉高压、休克、早产儿贫血、血小板减少症、生后有创机械通气、使用肺泡表面活性物质、输入血小板和血浆是早期PIVH进展的相关因素(P<0.05)。多因素Logistic回归分析显示,胎龄<28周(OR=6.346,95%CI:2.914~13.824)、分娩前母亲体温超过38℃(OR=2.454,95%CI:1.153~5.225)是早期PIVH进展的危险因素(P<0.05)结论胎龄<32周的早产儿出现PIVH早期进展的危险因素是胎龄<28周和分娩前母亲体温超过38℃。
基金Supported by the National Natural Science Foundation of China(11671403,11671236,12101192)Henan Provincial General Natural Science Foundation Project(232300420113)。
文摘In this paper,we mainly focus on a type of nonlinear Choquard equations with nonconstant potential.Under appropriate hypotheses on potential function and nonlinear terms,we prove that the above Choquard equation with prescribed 2-norm has some normalized solutions by introducing variational methods.
基金Supported by National Natural Science Foundation of China(11671403,11671236)Henan Provincial General Natural Science Foundation Project(232300420113)。
文摘This article studies a class of nonlinear Kirchhoff equations with exponential critical growth,trapping potential,and perturbation.Under appropriate assumptions about f and h,the article obtained the existence of normalized positive solutions for this equation via the Trudinger-Moser inequality and variational methods.Moreover,these solutions are also ground state solutions.Additionally,the article also characterized the asymptotic behavior of solutions.The results of this article expand the research of relevant literature.
