Results 31 to 40 of about 5,056 (177)
Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 4, Page 456-461, April 2025.Abstract Objective To investigate the ongoing parvovirus B19 (B19V) outbreak among pregnant women in Germany and its connection to the coronavirus disease 2019 (COVID‐19) pandemic. Methods This retrospective cohort study analyzed anonymous data regarding serologically confirmed B19V infections during pregnancy between January 2014 and April 2024 across
J. Jiménez Cruz +14 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2002 目的 观察死胎肾脏组织中HBVDNA表达的情况 ,探讨通过产妇传播到死胎肾脏组织中的HBV是否存在复制。方法 采集 40例乙型肝炎产妇产下的死胎 ,常规尸检 ,取肾脏组织。采用原位分子杂交法 ,检测其中的HBVD NA ;回访产妇产前静脉血HBV的检测结果。结果 死胎肾脏组织中HBVDNA的检出率为 2 6/ 4 0 （65 .0 % ）例。产妇产前静脉血HBV呈高、低和无复制状态时 ,肾脏组织中HBVDNA的检出率分别为 1 4 / 1 6（88.0 % ）例、2 / 4 （50 .0 % ）例、1 ...
沈玲 +5 more
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Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 4, Page 447-455, April 2025.ABSTRACT Objective A soluble fms‐like tyrosine kinase‐1 (sFlt‐1)‐to‐placental growth factor (PlGF) ratio cut‐off of 38 is currently considered optimal for ruling out pre‐eclampsia (PE); however, implementation of this ratio in clinical practice is limited.
M. N. Nan +15 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2002 目的 观察死胎肾脏组织中HBVDNA表达的情况 ,探讨通过产妇传播到死胎肾脏组织中的HBV是否存在复制。方法 采集 40例乙型肝炎产妇产下的死胎 ,常规尸检 ,取肾脏组织。采用原位分子杂交法 ,检测其中的HBVD NA ;回访产妇产前静脉血HBV的检测结果。结果 死胎肾脏组织中HBVDNA的检出率为 2 6/ 4 0 (65 .0 % )例。产妇产前静脉血HBV呈高、低和无复制状态时 ,肾脏组织中HBVDNA的检出率分别为 1 4 / 1 6(88.0 % )例、2 / 4 (50 .0 % )例、1 ...
沈玲 +16 more
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Zhongguo shiyan zhenduanxue, 2014 胎盘早剥（placental abruptionb）是正常位置的胎盘于妊娠20周后或分娩期,在胎儿娩出前,部分或全部从子宫壁剥离[1]。胎盘早剥病情急,发展迅速,围产儿病死率高。探讨胎盘早剥发病诱因、临床表现、诊断方式及处理对策,进一步探讨不同程度的胎盘早剥与妊娠结局的关系,为临床诊疗提供参考,降低母儿的病死率。1临床资料1.1一般资料选择我院2008年06月 ...
蔡明, 林艳茹, 滕红
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Zhongguo shiyan zhenduanxue, 2021 双胎妊娠较单胎妊娠更容易发生胎儿生长受限、染色体异常和结构畸形[1-2],胎儿神经系统异常是常见的畸形之一,出生后可表现为智力、运动及行为障碍等,甚至发生死亡,给患儿、家庭和社会带来巨大的痛苦和沉重的负担,因此,产前明确诊断非常重要。超声是产前诊断胎儿畸形的最主要影像学手段,双胎妊娠时,两个胎儿处于一个宫腔内,活动相对受限,加上孕妇肥胖腹壁厚,或两个胎儿胎位一致、羊水量少、胎儿肢体活动以及一个胎儿可能阻挡另一个胎儿的观察等,增加双胎妊娠超声检查困难。
徐霞 +4 more
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Ultrasound in Obstetrics &Gynecology, Volume 64, Issue 6, Page 768-775, December 2024.Abstract Objective Lower urinary tract obstruction (LUTO) is a chronic condition with a spectrum of outcomes. It is usually suspected prenatally based on ultrasound features (USFs). Given the unknown postnatal trajectory and the potential for significant morbidity and mortality, many families choose termination of pregnancy (TOP), often based on USFs ...
J. Richter +10 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2002 目的 观察乙型肝炎病毒通过产妇传播在胎儿脾脏组织中表达的情况。方法 采集 40例乙型肝炎产妇产下的死胎 ,常规尸检 ,取脾脏组织 ,SP法检测HBsAg ;回访婴母产前静脉血HBV的检测结果 ;取百分率行u检验。结果 HBsAg阳性颗粒在死胎的白髓、边缘区、红髓中的淋巴细胞和巨噬细胞浆、脾血窦、脾脏血管中呈点、灶状分布 ,脾脏淋巴细胞和巨噬细胞核不着色。HBVM为 （HBsAg +,HBeAg +,HBcAb +）的婴母较HBVM呈单项阳性、（HBsAg +,HBeAb +,HBcAb ...
赵伟, 刘伟, 罗婵
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Ultrasound in Obstetrics &Gynecology, Volume 64, Issue 5, Page 661-668, November 2024.ABSTRACT Objective To determine the diagnostic accuracy of virtual autopsy using whole‐body postmortem ultra‐high field magnetic resonance imaging (MRI) at 7 Tesla (T), using a short T2‐weighted imaging (T2‐WI) protocol, compared with classical autopsy, for detecting structural abnormalities in small second‐trimester fetuses. Methods Thirty consecutive
A. Staicu +11 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2002 目的 观察乙型肝炎病毒通过产妇传播在胎儿脾脏组织中表达的情况。方法 采集 40例乙型肝炎产妇产下的死胎 ,常规尸检 ,取脾脏组织 ,SP法检测HBsAg ;回访婴母产前静脉血HBV的检测结果 ;取百分率行u检验。结果 HBsAg阳性颗粒在死胎的白髓、边缘区、红髓中的淋巴细胞和巨噬细胞浆、脾血窦、脾脏血管中呈点、灶状分布 ,脾脏淋巴细胞和巨噬细胞核不着色。HBVM为 (HBsAg +,HBeAg +,HBcAb +)的婴母较HBVM呈单项阳性、(HBsAg +,HBeAb +,HBcAb ...
赵伟 +7 more
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