نتایج جستجو برای: clamping time

تعداد نتایج: 1895351  

2017
Ulrica Askelöf Ola Andersson Magnus Domellöf Anders Fasth Boubou Hallberg Lena Hellström-Westas Karin Pettersson Magnus Westgren Ingela E Wiklund Cecilia Götherström

BACKGROUND AND OBJECTIVE Umbilical cord blood (UCB) is a valuable stem cell source used for transplantation. Immediate umbilical cord (UC) clamping is widely practised, but delayed UC clamping is increasingly advocated to reduce possible infant anaemia. The aim of this study was to investigate an intermediate UC clamping time point and to evaluate iron status at the age of 4 months in infants w...

2017
Austin Horng-En Wang Robert W. Jackman

To repress the growing regional/national identity, the motherland country applies Rationalism strategies including economic incentive and military threat. Analysis of Taiwan National Security Survey in 2003-2015 shows that China’s carrot and stick policies negatively correlates with exclusive Taiwanese identity, but the effects, not perceptions, decline among the young generations.

2006
George Marmont Kenneth Cole

Standard electrophysiology experiments utilize a technique known as voltage clamping: the surface of the cellular membrane is held constant, or clamped, which allows the researcher to study the membrane permeability and ion exchange. This process is usually performed with commercially available analog equipment. While analog circuitry provides an accurate and reliable equipment medium, it does ...

Journal: :Circulation 1976
R R Attia J D Murphy M Snider D G Lappas R C Darling E Lowenstein

Hemodynamic measurements were performed and ECG recorded before and shortly after infrarenal aortic cross-clamping during operation for abdominal aortic aneurysm in five patients without evidence of heart disease (group I) and in ten patients with severe coronary artery disease (group II). All patients sustained an increase in systemic arterial pressure. Group I demonstrated a decrease in pulmo...

Journal: :British journal of clinical pharmacology 1988
M U Mehta R Venkataramanan G J Burckart R J Ptachcinski B Delamos S Stachak D H Van Thiel S Iwatsuki T E Starzl

1. We quantitated the effect of biliary diversion on cyclosporin (CyA) absorption in liver transplant patients. Multiple blood samples were obtained over one dosing interval following oral CyA administration in eight liver transplant patients before and after T-tube clamping. 2. Cyclosporin concentrations were measured by a high pressure liquid chromatographic method. 3. The mean (+/- s.d.) dos...

Journal: :Endocrine journal 2014
Fabrizio Locchi Tiziana Cavalli Francesco Giudici Maria Luisa Brandi Francesco Tonelli

Some published criteria for intraoperative monitoring of PTH serum concentrations may cause misleading results, since the timing of samples measured between the pre-incision and pre-excision phase of surgery is often unrecorded. In our opinion this information is critical, as the time of an intermediate sample during surgical manipulation may represent the "true" beginning of the PTH decay. We ...

Journal: :Revista panamericana de salud publica = Pan American journal of public health 2011
Brittany Blouin Mary E Penny Martin Casapia Eder Aguilar Hermánn Silva Serene A Joseph Hilary M Creed-Kanashiro Mathieu Maheu-Giroux Theresa W Gyorkos

OBJECTIVE To investigate the effect of a two-component intervention to change hospital practice with regard to the timing of umbilical cord clamping. METHODS A pre-/post-study design was used to measure the effect of a two-component intervention on mean time to clamp the umbilical cord. The study took place at Hospital Iquitos "César Garayar García" in Iquitos, Peru. A total of 224 women were...

Journal: :The American journal of clinical nutrition 1997
R Grajeda R Pérez-Escamilla K G Dewey

Iron deficiency anemia is a serious health problem that affects the physical and cognitive development of children. Therefore, it is important to develop cost-effective interventions to improve the hematologic status of the millions of children affected by this condition worldwide. We studied 69 Guatemalan infants who had been randomly assigned to one of three groups at the time of delivery: 1)...

Background: The timing of umbilical cord clamping may affect the need to bloodtransfusion and other morbidities of preterm infants. This study aimed to compare three different cord clamping timing (immediate cord clamping, delayed cord clamping and umbilical cord milking) in preterm infants delivered by cesarean section (CS). <em...

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