Abstract
Simultaneous anterior cerebral artery (ACA) and internal cerebral vein (ICV) flow-velocities were measured in 18 babies with post-haemorrhagic ventricular dilatation (PHVD) and hydrocephalus (PHH). Compared with a control group matched for post-conceptional age, the resistance index of the ACA was increased. This was shown to occur at an early stage of PHVD in a longitudinal study of seven of the babies. There were no significant changes in ACA or ICV time-averaged velocities. Eight babies with PHH had ventricular taps on 18 occasions to relieve raised intracranial pressure. There was a significant decrease in the resistance index of the ACA, accompanied by an increase in the ACA time-averaged velocity, but no change in the ICV time-averaged velocity.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Blood Flow Velocity / physiology
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Case-Control Studies
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Cerebral Arteries / diagnostic imaging*
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Cerebral Arteries / physiopathology
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Cerebral Hemorrhage / diagnostic imaging*
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Cerebral Hemorrhage / physiopathology
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Cerebral Veins / diagnostic imaging*
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Cerebral Veins / physiopathology
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Cerebral Ventricles / diagnostic imaging*
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Cerebral Ventricles / physiopathology
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Cerebrospinal Fluid Shunts
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Cross-Sectional Studies
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Dilatation, Pathologic / diagnostic imaging
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Echoencephalography / instrumentation*
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Follow-Up Studies
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Humans
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Hydrocephalus / diagnostic imaging*
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Hydrocephalus / physiopathology
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Image Processing, Computer-Assisted / instrumentation*
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Infant, Newborn
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Infant, Premature, Diseases / diagnostic imaging*
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Infant, Premature, Diseases / physiopathology
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Intracranial Pressure / physiology
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Longitudinal Studies
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Postoperative Complications / diagnostic imaging
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Postoperative Complications / physiopathology
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Vascular Resistance / physiology