Results 21 to 30 of about 34,737 (307)

Ultrasound parameters of early pregnancy and Doppler indices of blood vessels in the placenta and umbilical cord throughout the pregnancy period in sheep

open access: yesBMC Veterinary Research, 2022
Background Ultrasonography is one of the most important techniques that enable the detection and monitoring of pregnancy. One such study using this technique is the assessment of the hemodynamics of fetal and umbilical blood vessels.
Angelika Brzozowska   +5 more
doaj   +1 more source

Persistence of right umbilical vein: a singular case

open access: yesThe Turkish Journal of Pediatrics, 2020
Background. Persistent right umbilical vein (PRUV) is one of the most common prenatally detected venous anomaly. In the intrahepatic variant (I-PRUV) the right umbilical vein fuses with right portal vein and through the ductus venous drains into ...
Giovanni Pinna   +5 more
doaj   +1 more source

Umbilical vein constriction at the umbilical ring: a longitudinal study [PDF]

open access: yesUltrasound in Obstetrics & Gynecology, 2006
AbstractObjectiveIt has been suggested that constriction of the umbilical vein (UV) at the umbilical ring has hemodynamic effects. We aimed to determine the occurrence and extent of such constriction in serial observations.MethodsThis was a prospective longitudinal study of UV velocities at the umbilicus measured at approximately 4‐week intervals ...
G, Acharya   +4 more
openaire   +2 more sources

Comparison between Wright and Shukla formulas: which is better for the placement of umbilical catheters in newborns ≤ 1500 g?

open access: yesBoletín Médico del Hospital Infantil de México, 2023
Background: Intravascular venous (VUC) or arterial (AUC) umbilical catheter placement is the most frequent invasive procedure in the neonatal intensive care unit (NICU). Either Wright’s or Shukla’s formula is used to introduce the catheters.
Diana A. Castañeda-Pérez   +7 more
doaj   +1 more source

A novel case of congenital hepatic arterio-veno-portal shunts with umbilical vein aneurysm

open access: yesRadiology Case Reports, 2021
A term male infant presented with congenital hepatic arterio-veno-portal shunts. A mass-like lesion in the left lobe of the liver received blood supply from not only the umbilical vein, but also the hepatic and inferior intrahepatic arteries ...
Daisuke Hitaka, M.D.   +7 more
doaj   +1 more source

Laparoscopic management of massive spontaneous external haemorrhage from the umbilical varix due to recanalisation of the paraumbilical vein in a patient with ′Child′s Class A′ liver cirrhosis

open access: yesJournal of Minimal Access Surgery, 2012
Spontaneous external haemorrhage from the umbilical varix is an extremely rare complication of portal hypertension. Bleeding is usually into the peritoneal cavity and the treatment involves urgent laparotomy and ligation of the bleeding varices.
Sanoop K Zachariah   +2 more
doaj   +1 more source

Morphological aspects of buffaloes (Bubalus bubalis) umbilical cord Aspectos Morfológicos do cordão umbilical de búfalos (Bubalus bubalis)

open access: yesPesquisa Veterinária Brasileira, 2009
Buffalo is an important livestock resource, with a great participation in agricultural systems, providing milk, meat, and work power. Umbilical cord is responsible for maternal-fetal nutrients exchange during pregnancy, and its alterations can compromise
Guilherme J. Ferreira   +8 more
doaj   +1 more source

Decellularized umbilical cord stroma in tissue engineering and regenerative medicine: a systematic review

open access: yesВестник трансплантологии и искусственных органов, 2023
Despite great progress in the field of biomaterials for tissue engineering and regenerative medicine, the high requirements placed on artificial matrices (matrices, carriers, scaffolds) are the reason for the ongoing search for natural or synthetic ...
Yu. B. Basok   +5 more
doaj   +1 more source

Cateterización venosa umbilical guiada por ultrasonografía: un análisis de coste-efectividad

open access: yesAnales de Pediatría, 2020
Resumen: Introducción: El uso de ultrasonografía para la inserción de catéteres centrales ha mostrado ser coste-efectivo en adultos; en neonatos se desconoce esta información.
Francisco Javier Guzmán-de la Garza   +6 more
doaj   +1 more source

Fetal Sex and Fetal Environment Interact to Alter Diameter, Myogenic Tone, and Contractile Response to Thromboxane Analog in Rat Umbilical Cord Vessels

open access: yesFrontiers in Physiology, 2021
Fetal growth needs adequate blood perfusion from both sides of the placenta, on the maternal side through the uterine vessels and on the fetal side through the umbilical cord.
Benoit Sicotte, Michèle Brochu
doaj   +1 more source

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