Results 31 to 40 of about 13,343 (159)

Performance of machine‐learning approach for prediction of pre‐eclampsia in a middle‐income country

open access: yesUltrasound in Obstetrics &Gynecology, Volume 63, Issue 3, Page 350-357, March 2024.
ABSTRACT Objective Pre‐eclampsia (PE) is a serious complication of pregnancy associated with maternal and fetal morbidity and mortality. As current prediction models have limitations and may not be applicable in resource‐limited settings, we aimed to develop a machine‐learning (ML) algorithm that offers a potential solution for developing accurate and ...
J. Torres‐Torres   +10 more
wiley   +1 more source

高血压合并冠心病老年患者24-h动态血压监测的意义

open access: yesZhongguo shiyan zhenduanxue, 2009
目的通过监测高血压合并冠心病老年患者24 h动态血压,分析相关参数变化的临床意义,为临床治疗提供诊断依据。方法将试验对象分为三组:高血压合并冠心病组,86例;单纯性高血压组,127例;正常对照组,83例。应用无创动态血压监测系统记录动态血压及相关参数,并作对照分析。结果高血压合并冠心病组收缩压和舒张压比单纯性高血压患者高 ...
周智, 吴燕华, 周航
doaj  

佳木斯地区原发性高血压合并高尿酸血症与MTHFR基因多态性的相关性研究

open access: yesZhongguo shiyan zhenduanxue, 2020
目的探讨MTHFR基因的基因多态性与原发性高血压合并高尿酸血症易感性之间的关系。方法选取符合要求的392例患者作为研究对象,其中对照组(n=102)、原发性高血压组(n=109)、高尿酸血症组(n=86)和原发性高血压合并高尿酸血症(n=95)。用DNA提取试剂盒提取入组人群的DNA,再通过聚合酶链反应-高分辨率溶解曲线(PCR-HRM)的方法进行基因分型,记录结果并分析原发性高血压合并高尿酸血症与MTHFR C677T基因多态性的相关性。结果在各实验组中,MHTFR C677T基因的CT ...
隋小芳   +8 more
doaj  

The effect of nitric oxide on the basolateral 10 pS chloride channel activity in the TAL of the mouse kidney and its regulating mechanism [PDF]

open access: yes, 2016
背景:小鼠肾脏髓袢升支粗段(TAL)可以通过管腔侧的2型钠钾二氯协同转运体(NKCC2)重吸收20-25%的NaCl,并通过管周膜侧的钠钾泵和Cl-通道排出,在尿浓缩机制中发挥着重要作用。有研究表明一氧化氮(NO)对TAL管腔膜侧NKCC2的活性有着显著的抑制作用,并减少TAL对Cl-的吸收。为了保持细胞的稳态平衡,如果管腔膜侧对Cl-的吸收减少了,那么管周膜侧的排出也应减少。电导为10pS的Cl-通道是管周膜侧TAL排出Cl-最重要的离子通道,因此我们推断其活性将受到NO的调控。 目的 ...
叶士伟
core  

Understanding teacher professional commitment from a positive psychology perspective: A case from Myanmar's Chinese language teachers

open access: yesThe Modern Language Journal, Volume 108, Issue 1, Page 222-242, Spring 2024.
Abstract In response to the issue of Chinese language teacher attrition in Myanmar, this study aimed to examine the professional commitment of these teachers, with a focus on how their commitment is constructed and shaped within the local context. The study adopted a theoretical lens of positive psychology and utilized a hermeneutic phenomenological ...
Yue Peng, Kaiyang Lou, Tao Xiong
wiley   +1 more source

组织因子途径抑制物在高血压血管重塑中的作用

open access: yesZhongguo shiyan zhenduanxue, 2022
高血压(hypertension)严重地威胁着人类的健康[1],据统计中国高血压患病人数高达2.45亿[2]。高血压引起的血管重塑是心血管事件以及靶器官损害的主要危险因素[3]。目前研究发现,组织因子途径抑制物(Tissue Factor Pathway Inhibitor,TFPI)在凝血、血管生成、心血管疾病以及肿瘤进展等多种病理改变过程中具有重要作用。既往已有TFPI抑制血管成形术后局部血管重塑的报道,本文就TFPI与高血压血管重塑的研究进展作一综述。1高血压与血管重塑及相关机制1 ...
徐睿, 代悦, 傅羽
doaj  

The Study of Clinical Characteristics in Dry Eye Patients [PDF]

open access: yes, 2015
第一章 干眼患者临床特点的研究 目的:探究干眼患者的临床特点及其影响因素,指导干眼的诊断和治疗。 方法:多中心横断面研究设计,2013年5月至2013年10月期间,联合全国多家眼科门诊搜集3466例干眼患者临床资料。所有患者完成干眼问卷资料及临床干眼相关检查,如BUT、FL、ST-Ⅰ及睑板腺相关检查。 结果:共搜集有效病例3331例,其中男性占34.16%,女性占65.84%。平均年龄为44.7±16.6岁,OSDI评分36.6±16.8,女性患者BUT低于男性(4.4±2.7vs4.5±2.7,P=0.
王燊
core  

Selective fetal growth restriction in dichorionic diamniotic twin pregnancy: systematic review and meta‐analysis of pregnancy and perinatal outcomes

open access: yesUltrasound in Obstetrics &Gynecology, Volume 63, Issue 2, Page 164-172, February 2024.
ABSTRACT Objective Most of the published literature on selective fetal growth restriction (sFGR) has focused on monochorionic twin pregnancies. The aim of this systematic review was to report on the outcome of dichorionic diamniotic (DCDA) twin pregnancies complicated by sFGR.
F. D'Antonio   +4 more
wiley   +1 more source

动态血压在慢性肾脏病合并高血压患者中的应用进展

open access: yesLinchuang shenzangbing zazhi, 2018
高血压是慢性肾脏病(CKD)常见的并发症,在估算小球滤过率低于60 ml·min-1·(1.73 m2)-1的患者中,高血压的发病率为82%,而在终末期肾病(ESRD)患者中高血压的发病率高达92%[1]。高血压促进CKD的进展及心血管并发症的发生发展,导致疾病加速进展。在CKD基础上发生高血压的患者与原发性高血压相比,血压的变异大、节律易发生改变,易发生难治性高血压 ...
王文苓, 蔡广研
doaj  

Meta-analysis study to the application value in predicting premature delivery based on ultrasound measurement of cervical length, fetal fibronectin (fFN) or on the combination of both methods [PDF]

open access: yes, 2016
目的:通过Meta分析,对持有不同设计方法与病例数的研究结果进行综合比较,然后探讨超声测量宫颈长度、胎儿纤维连接蛋白(fFN)及二者联合应用对于早产诊断的临床价值。 方法:透过ElsevierScience、万方、PubMed、维普、Springer及中国知网等数据库检索2003年5月~2015年11月公开发表的相关文献,依照排除及纳入标准对文献进行严格的过滤筛选。提取纳入文献的四格表与资料特征,对纳入研究应用QUADAS(系统回顾中诊断精确性研究质量评价鉴定工具表)进行质量评估。应用MetaDisc1.
陳鋕沅
core  

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