Results 11 to 20 of about 11,661 (118)
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 5, Page 621-630, November 2025.ABSTRACT Objectives To compare the maternal hemodynamics of Chinese women at low and at high risk for preterm pre‐eclampsia (PE) and assess the differences in hemodynamic parameters between high‐risk women with or without prophylactic aspirin. Methods This was a prospective longitudinal case–control study of 857 Chinese women with a singleton pregnancy
X. Wang +11 more
wiley +1 more source
Is parvovirus B19 infection upsurge in 2023–2024 associated with adverse pregnancy outcome?
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 3, Page 307-313, September 2025.ABSTRACT Objective A surge in parvovirus B19 infections has been reported in 2023–2024 across Europe and the USA, raising concerns about the associated perinatal risks. The aim of this study was to compare perinatal outcomes following maternal parvovirus B19 infection during the 2023–2024 period with those from a pre‐2023 cohort.
S. Prasad +22 more
wiley +1 more source
Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 4, Page 470-477, April 2025.ABSTRACT Objective To evaluate the presence and levels of cytomegalovirus (CMV) cell‐free DNA (cfDNA) fragments in women pregnant with a fetus with symptomatic congenital CMV (cCMV). Methods The study comprised nine women whose fetuses were diagnosed with cCMV between June 2019 and July 2024 at 20 + 4 to 34 + 1 weeks' gestation (n = 8) or neonatally (n
B. H. W. Faas +9 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2022 1临床资料孕妇，34岁，G4P2,LMP:2020-07-20，孕32 1/7周，因全身浮肿20天来吉林大学第二医院就诊。孕13 6/7周，无明显诱因发现阴道少量流血，色鲜红，无血块，于白城市医院静点止血针（具体不详），1天后好转。孕17 4/7周患者无明显诱因出现阴道大量流血，色鲜红、无血块，就诊于吉林大学第一医院，建议其终止妊娠，患者及家属拒绝终止妊娠，遂就诊于白城市中心医院静点止血针（具体不详）后略有好转，仍间断阴道少量流血1月左右。孕22 5/7周于吉林大学第一医院行胎儿系统筛查，超声提示 ...
韩颖颖 +4 more
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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
Huli yanjiu, 1991 静脉穿刺是临床常见的一项技术操作,关于结扎止血带的时机问题,有的主张,先扎止血带,再消毒,后穿刺;也有的主张先消毒皮肤,后扎止血带,再穿刺。就目前护士操作多习惯于前者。究竟以何种方式为宜根据笔者的临床体会,阐述如下: 一、止血带结扎一般有三种方法 1、选择血管、碘酒消毒皮肤,酒精脱碘,扎止血带,穿刺。此种方法适用于静脉血管显露明显者,如青、壮年,尤其是体力劳动者。即使不扎止血带,操作人员通过视、触也可了解血管走向、弹性程度、确定进针部位。皮肤消毒后扎止血带,静脉迅速充盈、即进行穿刺。
王钊
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Zhongguo shiyan zhenduanxue, 2020 血小板是血液循环中体积较小的无核细胞,由骨髓中的巨核细胞产生,其在止血和血栓形成的过程中发挥了重要的作用[1]。当血管发生损伤时,血小板能够黏附于受损的血管内皮,并形成血栓,进而发挥止血的作用[2]。然而 ...
杨颖, 田文沁
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Ultrasound in Obstetrics &Gynecology, Volume 64, Issue 4, Page 470-479, October 2024.ABSTRACT Objectives Our aim was to examine the prenatal profiles of pregnancies affected by an atypical chromosomal aberration, focusing on pathogenic copy‐number variants (pCNVs). We also wanted to quantify the performance of combined first‐trimester screening (cFTS) and a second‐trimester anomaly scan in detecting these aberrations. Finally, we aimed
K. Gadsbøll +6 more
wiley +1 more source
Huli yanjiu, 1993 1992年以来,笔者为昏迷、休克病人静脉采血98次均一次成功,方法是在采血时除正确选择针头、注射器、血管等外,还要对一些摸不清的血管应用两根止血蒂。 典型病例及方法 患者,男,58岁。以感染性休克急诊入院,入院后需急查钾、钠、氯、二氧化碳结合力、配血等,采血时,因患者处于休克状态,意识不清,四肢血管摸不清,最后在肘正中静脉准备穿刺点上5～6cm处扎一止血带,在穿刺点下8～1Ocm处再扎一止血带后稍能摸到血管走向,试进针有回血,然后放松下面的止血带,待抽足血量再放松上面的止血带。
孙芳梅, 侯军玞
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