FONTANELA BREGMATICA PDF

Bustamante; L. Miquelini; M. Universidad Nacional de La Plata. La Plata. Buenos Aires.

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Transfontanellar Doppler ultrasound measurement of cerebral blood velocity before and after surgical treatment of hydrocephalus. ABSTRACT - Twenty-seven children with hydrocephalus of different etiologies diagnosed by clinical examination, neurosonography and computerized brain tomography were submitted to transfontanellar US-Doppler evaluation for measurement of blood flow velocity and for the calculation of resistance index RI in the anterior and middle cerebral arteries and internal carotids.

All children were submitted to evaluation before surgery and on the 1st, 30th and 60th postoperative days. We conclude that neurosonography and US-Doppler technique is useful for determination of hydrocephalus, indication and control of cerebrospinal fluid shunts and monitoring of changes in RI, comparing data obtained immediately before and after surgery and during the late postoperative period.

The results obtained when comparing the RI values for the various arteries during the different stages of the study also permitted us to conclude that the anterior cerebral arteries are representative of the maximal alterations that occur in cerebral vascular resistance in pediatric patients with hydrocephalus. Hochwald e col. A este respeito existem dados conflitantes na literatura pertinente.

Alvisi e col. Ainda segundo os trabalhos de Hill e Volpe 14 , Alvisi e col. Chadduck e col. McCullough JC. Hydrocephalus: etiology, pathologic effects, diagnosis and natural history In Epstein F. Pediatric neurosurgery, Philadelphia: W. Saunders, B-mode gray scale ultrasound of the head in newborn and young infant. AJR ; The anterior fontanelle as an acoustic window to the neonatal ventricular system.

J Clin Ultras; Arq Neuropsiquiatr; Child's Nerv Syst ; Schackelford GD Neurosonography of hydrocephalus in infants. Neuroradiology ; Dev Med Child Neurol ;35 Suppl Milhorat TG Hydrocephalus and the cerebrospinal fluid. Baltimore: William and Wilkins, Noinvasive diagnosis of neonatal asphyxia intraventricular hemorrhage by Doppler ultrasound. Pediatr ; Noninvasive transcranial Doppler ultrasound recordings of flow velocity in basal cerebral arteries.

J Neurosurg. Pourcelot L. Diagnostic ultrasound for cerebral vascular diseases. In Dover D. Present and future of diagnostic ultrasound. Rotterdam: Kooyer, Examen Doppler de la circulaction cerebrale. Les explorations cardiovasculaires. Hill A. Volpe JJ Decrease in pulsatile flow in the anterior cerebral arteries in infantile hydrocephalus Pediatrics ; Cerebral blood flow velocity patterns in post-hemorrhagic ventricular dilation. Transcranial Doppler ultrasonography for the evaluation of shunt malfunction in pediatric patients.

Cranial Doppler ultrasonography correlates with criteria for ventriculoperitoneal shunting. Surg Neurol ; Evaluation of cerebral blood flow changes by transfontanelle Doppler Ultrasound in infantile hydrocephalus.

Blood flow velocity pattern of the anterior cerebral arteries before and after drainage of posthemorrhagic hydrocephalus in the newborn. J Ultrasound Med ; Cerebral blood flow velocity changes after ventricular taps and ventriculoperitoneal shunting. Aceite: junho All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.

Services on Demand Journal. Transfontanellar Doppler ultrasound measurement of cerebral blood velocity before and after surgical treatment of hydrocephalus ABSTRACT - Twenty-seven children with hydrocephalus of different etiologies diagnosed by clinical examination, neurosonography and computerized brain tomography were submitted to transfontanellar US-Doppler evaluation for measurement of blood flow velocity and for the calculation of resistance index RI in the anterior and middle cerebral arteries and internal carotids.

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