نتایج جستجو برای: complications of umbilical cord prolapsed
تعداد نتایج: 21189249 فیلتر نتایج به سال:
Background : The third stage of labor is of utmost importance. Prior investigators have proposed different approaches to shorten this stage. The present study was aimed at determining the efficacy of syntometrine, syntocinon and the physiologic approach in the management of the third stage of labor. Materials and methods : Ninety parturients enrolled for this clinical trial. They were randomly ...
The umbilical cord tissue has gained attention in recent years as a source of multipotent cells. Due to its widespread availability, the umbilical cord may be an excellent alternative source of cells for regenerative medicine. Anatomically, umbilical cord tissue is constituted of several different parts, and, accordingly, immunostaining of cord tissue sections revealed differential distribution...
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BACKGROUND Remifentanil has been suggested as an ideal opioid for patient-controlled analgesia (PCA) in labour, but the safety profile has not been established. The aims of this preliminary prospective observational study were to investigate the maternal side-effects and early neonatal effects, and to assess the placental transfer of remifentanil PCA during labour. METHODS Women with no known...
A velamentous umbilical cord is characterized by membranous umbilical vessels at the placental insertion site that are prone to compression and rupture, especially when they are located in the membranes covering the cervical os (vasa praevia). The velamentous insertion of the umbilical cord, with a reported incidence of 1% in singleton pregnancies and 15% in monochorionic twin gestations, has b...
INTRODUCTION Many abnormalities are observed in the morphology and pathology of the umbilical cord. The aim of the study was to assess the role of 3D sonography in pathology of true umbilical cord knots. MATERIAL AND METHODS In our materials we observed 10 cases of true umbilical cord knots in a population of 2,864 deliveries. The 2-dimensional transverse scan of the umbilical cord was shown ...
Fifty umbilical cords were prepared and examined and their venous perfusion pressures measured with and without a true knot in the cord. Contrary to information in the literature, a loose umbilical cord knot did not affect the venous perfusion pressure. With a tightened knot, the smaller the umbilical cord diameter, the greater was the pressure required to perfuse past the knot. The umbilical v...
A nuchal cord (or Cord-Around-the Neck (CAN)) occurs when the umbilical cord becomes wrapped around the fetal neck 360 degrees. Nuchal cords are very common, the incidence of nuchal cord increases with advancing gestation from 12% at 24 to 26 weeks to 37% at term [1]. Most are not associated with perinatal morbidity and mortality. In some fetuses and newborns CAN may cause problems, especially ...
BACKGROUND There are no definitive markers to aid in diagnosis of neonatal encephalopathy (NE). The purpose of our study was (1) to identify and evaluate the utility of neuronal nitric oxide synthase (NOS1) in umbilical cord blood as a NE biomarker and (2) to identify the source of NOS1 in umbilical cord blood. METHODS This was a nested case-control study of neonates >35 weeks of gestation. E...
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