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The authors report three children who suffered transient loss of speech during six to eight weeks following removal of a large midline cerebellar tumour. None manifested speech difficulties immediately after surgery, but all developed mutism within 24 to 48 hours. The speech of all children slowly but completely recovered, after a period of severe… (More)
BACKGROUND AND PURPOSE A recent transcranial Doppler study found reduced blood velocity in seven patients during migraine attacks in the middle cerebral artery at the headache side. This would implicate vasodilation of the middle cerebral artery in the pathogenesis of headache in migraine. We attempted to confirm this finding. METHODS We determined blood… (More)
In this study, blood flow velocity in the basilar artery and both vertebral and middle cerebral arteries was measured with a transcranial Doppler device in 23 migraineurs during and outside a migraine attack. The aim of the study was to compare blood flow velocities during and outside an attack and to examine vascular reactivity to voluntary… (More)
Sumatriptan, a novel selective 5-hydroxytryptamine1d (5-HT1d) receptor agonist, which is highly effective in the acute treatment of migraine attacks, blocks dural neurogenic plasma extravasation and constricts cranial blood vessels in animal experiments. We measured intra- and extracranial blood flow velocities (BFV) with a transcranial Doppler device in 67… (More)
A pulsed Doppler device was used to measure blood flow velocities in the common carotid artery, the extracranial part of the internal carotid artery, the external carotid artery, the middle cerebral artery, and the anterior cerebral artery in 31 migraineurs without aura (n = 27) and with aura (n = 4), both during and outside an attack. The aims were to… (More)
In 16 consecutive patients with clinically suspected and biochemically proven X-linked adrenoleukodystrophy (X-ALD), total delay (interval between onset of symptoms and diagnosis) and specialist delay (interval between referral to a specialist and diagnosis) were determined. All patients previously were unaware of the existence of X-ALD in their families.… (More)
A family is described containing three sibs with holoprosencephaly. They showed a striking diversity of both cerebral and facial abnormalities. Autosomal recessive inheritance seems most likely. Because of the great variety in expression of this disorder, it is of importance for genetic counselling to examine both sibs and parents.
The case histories of two children of consanguineous parents with papillomas of the choroid plexus are presented. Although exogenic factors in the genesis of these neoplasms can not be excluded, autosomal recessive inheritance is proposed.
We measured vascular reactivity--expressed i) as decrease in blood flow velocity (cm/sec) per vol% CO2 decrease due to voluntary hyperventilation and ii) as increase of blood flow velocity during the first minute after resuming normal ventilation, per vol% CO2 increase--in the middle cerebral and basilar artery of 48 migraineurs with attacks without aura,… (More)
Centralization of intravenous thrombolysis (IVT) for acute ischemic stroke in high-volume centers is believed to improve the door-to-needle times (DNT), but limited data support this assumption. We examined the association between DNT and IVT volume in a large Dutch province. We identified consecutive patients treated with IVT between January 2009 and 2013.… (More)