Cerebral Arterial and Venous Flow‐velocity Measurements in Post‐haemorrhagic Ventricular Dilatation and Hydrocephalus

Quinn, Michael; Ando, Yukinori; Levene, M I

doi:10.1111/j.1469-8749.1992.tb11383.x

Cited by 24 publications

(3 citation statements)

References 12 publications

(3 reference statements)

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“…But afterward, it decreased significantly. Changes of blood flow velocity in ACA were not accompanied by change of blood flow velocity in ICV [45].…”

Section: Doppler Parameters Of Cerebral Circulation In Pediatric Hydrmentioning

confidence: 62%

“…Similarly, Kempley and Gamsu [44] confirmed decrease of intracranial pressure accompanied by significant increase of Vmean and decrease of PI-ACA, when cerebrospinal fluid derivation had been performed in newborn with posthemorrhagic hydrocephalus. Quinn et al [45] compared impact of increased intracranial pressure and cerebrospinal fluid derivation on blood flow in ACA and ICV in neonates with posthemorrhagic hydrocephalus. RI-ACA was significantly increased before drainage procedure.…”

Section: Doppler Parameters Of Cerebral Circulation In Pediatric Hydrmentioning

confidence: 99%

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Cerebral Hemodynamics in Pediatric Hydrocephalus: Evaluation by Means of Transcranial Doppler Sonography

Kolarovszki¹

2018

Highlights on Hemodynamics

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Active, progressive hydrocephalus in children leads to increase of intracranial pressure, dilatation of cerebral ventricles, and decrease of intracranial compliance. These changes lead to disorder of regulation of cerebral circulation and development of cerebral hypoperfusion resulting in the secondary brain damage. Ependymal disruption, periventricular edema, and compression of the periventricular capillaries can be developed. Ischemia of the white matter can be developed due to hypoperfusion. But it is reversible if treated early and adequately. Transcranial Doppler sonography enables to determine hemodynamic parameters of cerebral circulation in various physiological and pathophysiological conditions. As transcranial Doppler sonography has been regarded to be noninvasive and appropriate for bedside treatment, it can also be applied in children at any age. The goal of this chapter is to assess changes of cerebral circulation in children with hydrocephalus and application of data from scientific studies of intracranial dynamics in children with hydrocephalus in clinical practice. The work is also focused on evaluation of impact of intracranial factors on Doppler parameters of cerebral circulation, especially in neonates with hydrocephalus. The ambition of this chapter is to improve indication and timing of drainage procedure in children with hydrocephalus by application of the results and clinical experience in daily clinical practice.

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“…But afterward, it decreased significantly. Changes of blood flow velocity in ACA were not accompanied by change of blood flow velocity in ICV [45].…”

Section: Doppler Parameters Of Cerebral Circulation In Pediatric Hydrmentioning

confidence: 62%

Section: Doppler Parameters Of Cerebral Circulation In Pediatric Hydrmentioning

confidence: 99%

Cerebral Hemodynamics in Pediatric Hydrocephalus: Evaluation by Means of Transcranial Doppler Sonography

Kolarovszki¹

2018

Highlights on Hemodynamics

View full text Add to dashboard Cite

show abstract

“…Similarly, Kempley and Gamsu [416] confirmed decrease of intracranial pressure accompanied by significant increase of Vmean and decrease of PI-ACA, when CSF derivation had been performed in children with posthemorrhagic hydrocephalus. Quinn et al [417] compared impact of increased intracranial pressure and CSF derivation on blood flow in ACA and internal cerebral vein (ICV) in neonates with posthemorrhagic hydrocephalus. RI-ACA was significantly increased before drainage procedure.…”

Section: The Presence Of Bilateral Asymmetric Ventriculomegaly Characmentioning

confidence: 99%

The Role of Transcranial Doppler Sonography in the Management of Pediatric Hydrocephalus

Kolarovszki¹

2019

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IV 5. Etiology of hydrocephalus 5.1 Congenital hydrocephalus 5.2 Acquired postnatal hydrocephalus 6. Pathophysiology of hydrocephalus 6.1 Pathophysiological mechanisms of onset and development of hydrocephalus 6.2 Pathologic changes in hydrocephalus 6.3 Vascular changes in hydrocephalus 6.4 Biochemical changes in hydrocephalus 6.5 Changes of cerebral metabolism in hydrocephalus 7. Clinical manifestations of pediatric hydrocephalus 8. Basic properties of ultrasound 9. Biological effects of ultrasound 9.1 Thermal effects 9.2 Cavitation 9.3 Other mechanic effects 10. Doppler sonography 10.1 The role of Doppler principle in ultrasonography 10.2 The Doppler systems with continuous wave (CW) 10.3 The pulsatility Doppler systems (the pulsed waves, PW) 10.4 The color flow Doppler tomography (CFD, real-time two-dimensional Doppler) 10.5 The technique of the color Doppler power mapping (color Doppler energy, CDE; color power angio, CPA; Doppler power mode; power mapping) 11. The transcranial color-coded Doppler ultrasonography 11.1 The transcranial color-coded Doppler ultrasonographic examination 12. The Doppler curve, measured and calculated parameters 12.1 The Doppler curve 12.2 Measured and assessed parameters of the Doppler curve 12.3 Development of Doppler parameters of cerebral circulation: physiological values 12.3.1 Neonates 12.3.2 Infancy V 12.4 The factors influencing the value of qualitative indices of the Doppler curve 12.4.1 The factors increasing the resistance index of cerebral arteries 12.4.2 Factors decreasing the resistance index of cerebral arteries 13. Morphology of the cerebral ventricles in pediatric hydrocephalus 14. Assessment of Doppler parameters of the cerebral arteries in children with hydrocephalus 15. Case reports 15.1 Assessment of intracranial dynamics in the preterm neonate with hydrocephalus before and after insertion of external ventricular drainage 15.2 Observation of intraindividual dynamics in the preterm neonate with asphyxia and development of progressive hydrocephalus regarding indication of drainage procedure 15.3 Impact of tachycardia on Doppler parameters of blood flow in ACA in the infant with active hydrocephalus 15.4 Assessment of intracranial dynamics of the infant with schizencephaly 15.5 Assessment of intracranial dynamics in the term neonate with congenital hydrocephalus, Arnold-Chiari malformation type II and lumbosacral myelomeningocele 15.6 Assessment of intracranial dynamics in the preterm neonate with posthemorrhagic hydrocephalus 15.7 Assessment of intracranial dynamics in the neonate with occipital encephalocele and congenital hydrocephalus 15.8 Assessment of intracranial dynamics in the term neonate with birth trauma, intracerebral hemorrhage and hemocephalus 15.9 Assessment of intracranial dynamics in the neonate with congenital hydrocephalus and VP shunt revision 15.10 Assessment of intracranial dynamics of congenital hydrocephalus in prenatal and postnatal period

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Posthemorrhagic Hydrocephalus of Prematurity

Boop

2005

Pediatric Hydrocephalus

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Cerebral Arterial and Venous Flow‐velocity Measurements in Post‐haemorrhagic Ventricular Dilatation and Hydrocephalus

Cited by 24 publications

References 12 publications

Cerebral Hemodynamics in Pediatric Hydrocephalus: Evaluation by Means of Transcranial Doppler Sonography

Cerebral Hemodynamics in Pediatric Hydrocephalus: Evaluation by Means of Transcranial Doppler Sonography

The Role of Transcranial Doppler Sonography in the Management of Pediatric Hydrocephalus

Posthemorrhagic Hydrocephalus of Prematurity

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