(1) Seventy-eight patients presented optochiasmal arachnoiditis: 12 had trigeminal neuralgia; 1, arachnoiditis of the cerebellopontile angle; 6, arachnoiditis of the convex surface of the brain; and 3, the hypertensive hydrocephalic syndrome due to occlusion of the CSF routes.
(2) Moreover, they suggest that the substitution of controlled for automatic processes may help high-functioning hydrocephalics compensate for abnormalities in cerebral structure.
(3) Brain uptake of inulin and methotrexate was significantly increased in the dogs made hydrocephalic 4 weeks prior to perfusion, but was less so in the 8-week hydrocephalics.
(4) Each hydrocephalic infant presented with signs of increased intracranial pressure and required placement of a ventriculoperitoneal shunt.
(5) The author evaluates the dynamics of immune reactivity of the body in patients with cerebral arachnoiditis with consideration of main clinical syndrome--hypertensive-hydrocephalic, epileptiform, autonomic-vascular dystonia syndromes in different variants of the course of the process.
(6) Slopes of the regression lines relating volume flow and serum osmolality for both normal and hydrocephalic cats are the same.
(7) The methods used were as follows: (1) silicone oil injection into the cisterna magna and the neighboring basal cisterns in rabbits by the method of Wisniewski; (2) kaolin administration into the cisterna magna in rabbits and dogs (Dixon); (3) ballooning method with Foley's catheter into the 4th ventricle in rabbits (Milho-rat); (4) plug formation with small pieces of laminalia into the cisterna magna in rabbits by our method; (5) Hy-3 hereditary hydrocephalic mouse bred by Gruenberg; (6) ligation of the placental vessels of the pregnant rat at 13 days of gestation by our method, and (7) transplacental intraperitoneal administration of ethylnitrosourea in a pregnant rat at 9.5 days of gestation.
(8) In hydrocephalic mice the resting pressure was not significantly different from normal in the 1st week after birth, but by 14 days the pressure was significantly higher in hydrocephalic mice.
(9) Cerebral blood flow patterns of hydrocephalic fetuses seem to differ individually from case to case, presenting no uniform waveform type in late pregnancy.
(10) The infants presented with the hypertensive hydrocephalic syndrome whereas the elder children with vegetovascular dystonia, biliary and gastrointestinal diseases.
(11) Expanding, adult-length catheters to accommodate continuing somatic growth have been implanted in the course of shunts, either to the heart or peritoneum, in 12 hydrocephalic infants and young children.
(12) We made studies about the changes of muscarinic cholinergic receptors in experimental hydrocephalic rat brains using binding assay, macroautoradiography, and microautoradiography with 3H-quinuclidinyl benzilate (QNB), which has a high and specific affinity for muscarinic receptors.
(13) This suggests that CSF drainage does not take place by this route in hydrocephalic rats and that alternative drainage routes must be operating.
(14) In hydrocephalic HTX-rats, the fluorescence intensity increased nearly in parallel with that in non-hydrocephalic HTX-rats up to the 21st postnatal day.
(15) The prevalence in hydrocephalic children is 10.6%; in children with mental retardation, 44.6%; in children with eye lesions, 44.6%; and in children with signs of systemic diseases, 9.5%.
(16) In hydrocephalic children the behavior of the cerebral blood flow velocity and the pulsatility index will warn of an increase of the ventricular fluid pressure or a shunt insufficiency.
(17) This resulted from an enhanced volume storage capacity in the hydrocephalic infants.
(18) One hundred and twenty four skulls (65 males and 59 females) were employed, classified as: deformed , deformed-hydrocephalic, sham-operated and controls.
(19) A third purpose was to reexamine the claim that despite their semantic-pragmatic deficiencies, the syntax of hydrocephalic children is age appropriate.
(20) Necropsy studies disclosed increased basal subarachnoid fibrosis and extensive ependymal and subependymal damage in the lateral ventricular walls of the hydrocephalic dogs.
Hydrocephalus
Definition:
(n.) An accumulation of liquid within the cavity of the cranium, especially within the ventricles of the brain; dropsy of the brain. It is due usually to tubercular meningitis. When it occurs in infancy, it often enlarges the head enormously.
Example Sentences:
(1) An infant with a Sturge-Weber variant syndrome developed progressive megalencephaly and eventual hydrocephalus, which required shunting.
(2) We document four patients, including two sibs, with asphyxiating thoracic dystrophy and mild congenital hydrocephalus.
(3) We studied 19 patients with normal-pressure hydrocephalus and 19 patients with Binswanger's disease, comparing them with the same number of matched controls.
(4) Also this pathological alteration occurred most frequently (5 out of 11 animals examined 9--10 months after inoculation) in hamsters receiving cell-associated material from carrier cutlures incubated at 33 degrees C. Possible mechanisms for the appearance of hydrocephalus are discussed.
(5) Abnormalities of the middle and inner ear, fusion of the kidneys, hydrocephalus, short-limbed dwarfism and immunodeficiency are described.
(6) Thus, the designation Intermittently Normotensive Hydrocephalus appears to be more exact.
(7) It is concluded that cerebrospinal fluid vasopressin concentration in patients with hydrocephalus is very constant throughout the day, even when plasma vasopressin concentrations show marked episodic increases.
(8) A single and perhaps unique case of a venous malformation over the quadrigeminal plate causing acute obstructive hydrocephalus is reported.
(9) Hydrocephalus and encephalitis in 14-day-old mice was induced by an intracerebral inoculation of a high dose of live Newcastle disease vaccine viruses.
(10) The number of 125I-ANP binding sites in the choroid plexus of rats with kaolin-induced hydrocephalus was significantly higher as compared to findings in the control rats, whereas no differences in the binding affinity were observed 3 days and 3 weeks after the intracisternal injection of kaolin.
(11) Computed tomography was used to study the prevalence rates of various types of intracranial pathology, hydrocephalus (HDC) and cortical atrophy (CA) in patients with late dementia (LD) and to comparatively assess the informative value of tomographic methods of cerebral morphometry.
(12) 24 children underwent CSF shunting, while 57 with communicating hydrocephalus were randomly assigned to three treatment groups: antituberculous drugs only; or additional intrathecal hyaluronidase or oral acetazolamide and furosemide in addition to antituberculous treatment.
(13) The 36 infants in whom external hydrocephalus was idiopathic constitute the study population.
(14) The neurological deficits presented in this case were due to pontine infarction, which was suspected to be produced by thrombosis from the aneurysm, and a hydrocephalus might have been caused by a "water-hammering" effect of the elongated basilar artery.
(15) A series of 55 cases is described in which hydrocephalus associated with non-neoplastic narrowing of the Sylvian aqueduct produced symptoms for the first time in adult life.
(16) Children with shunted, uncomplicated, communicating hydrocephalus were tested to determine (1) the persistence of neuropsychological impairment and (2) the relationship between neuropsychological functioning, ocular motility, and acuity abnormalities.
(17) A case of hydrocephalus is described which developed as a late complication of sarcoidosis.
(18) The belief that hydrocephalus could not be caused by venous obstruction is the result of erroneous or inadequate concepts of venous anatomy.
(19) The average thickness of the corpus callosum at the level of the foramen of Monro was 6 mm in normal subjects and was reduced below 6 mm in 16 of the hydrocephalus patients.
(20) Hydrocephalus and valvular impaction of the cerebellum in the foramen magnum were demonstrated.