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Hypoxia/reoxygenation-induced myocardial lesions in newborn piglets are related to interindividual variability and not to oxygen concentration.
Clinics (Sao Paulo)
February 2013
University of Cagliari, Department of Pathology, Italy.
Objective: Evaluation of myocardial histological changes in an experimental animal model of neonatal hypoxia-reoxygenation.
Methods: Normocapnic hypoxia was induced in 40 male Landrace/Large White piglets. Reoxygenation was initiated when the animals developed bradycardia (HR <60 beats/min) or severe hypotension (MAP <15 mmHg).
[Pulmonary causes of hypoxia in premature infants and its therapeutic possibilities].
Pneumologie
April 1997
Abteilung für Neonatologie, Evangelisches Waldkrankenhaus Berlin-Spandau.
Unlabelled: Pulmonary illness as a cause of postnatal hypoxia in premature infants frequently calls for an extended clinical course. Concealed behind the common symptoms--cyanosis, tachypnoea, expiratory grunting, thoracic and/or epigastric retraction and nasal flaring--is a broad spectrum of respiratory disorders. Lack of surfactant plays the most important role in premature infants, although meconium aspiration, persistent fetal circulation, the post asphyxia syndrome, transient tachypnoea of the newborn and pneumonias can also be the underlying cause.
View Article and Find Full Text PDFDoppler ultrasound study of the anterior cerebral artery in neonates.
J Neuroradiol
May 1992
Service de Neuroradiologie, Hôpital Purpan, Toulouse, France.
In neonates doppler ultrasound of the anterior cerebral artery (ACA) enables cerebral haemodynamics to be studied in a non-invasive manner at the patient's bedside. The signal of the pericallosal artery is recorded through the fontanelle with a 7.5 mHz real-time probe.
View Article and Find Full Text PDFSeven cases of heart arrest or pronounced bradycardia during 308 correct catheterizations of the umbilical vein in the first hours of life are reported. The indications for the catheterization were: 1. unsuccessful catheterization of the umbilical arteries in newborns with respiratory distress or post-asphyxia syndrome; 2.
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