Now showing items 1-10 of 231
Mecanismo de centralização: Da insuficiência placentária à adaptação circulatória fetal
The application and development of obstetric Dopplervelocimetry provide a basis for the investigation of placental insuf ciency and demonstrate the dynamic behavior of fetal circulation during hypoxia. In clinical practice, ...
Diagnostico por Doppler de la trombosis arterial causada por cateterismo umbilical
(Sociedad Chilena de Pediatría, 1991)
Dopplervelocimetria no Rastreamento de Aneuploidias no Primeiro Trimestre da Gestação
(Federação Brasileira das Sociedades de Ginecologia e Obstetrícia, 2001-06-01)
Objective: to study the value of Doppler velocimetry of the ductus venosus and of the umbilical artery and vein, in the screening for chromosomal abnormalities at 10-14 weeks of gestation. Patients and Methods: a total of ...
Diversity of Potassium Channels in Human Umbilical Artery Smooth Muscle Cells: A Review of Their Roles in Human Umbilical Artery Contraction
(Sage Publications, 2014-04)
Through their control of cell membrane potential, potassium (K(+)) channels are among the best known regulators of vascular tone. This article discusses the expression and function of K(+) channels in human umbilical artery ...
Predicting pH at birth in pregnancies with abnormal pulsatility index and positive end-diastolic velocity in the umbilical artery
(INFORMA HEALTHCARELONDON, 2013-08-02)
Objectives: To identify potential associations between fetal surveillance tests and acidosis at birth in pregnancies with abnormal but positive end-diastolic velocity in the umbilical artery. Methods: A prospective ...
Ultrasound detection rate of single umbilical artery in the first trimester of pregnancy
Objective To determine accuracy of first trimester detection of single umbilical artery (SUA). Methods The number of vessels in the umbilical cord was examined in a prospective cohort of 779 singleton, low-risk, unselected ...