Clinical Neuroscience

[AMYOTROPHIC LATERALSCLEROSIS IN COUNTY BARANYA, HUNGARY]

MERKLI Hajnalka, NAGY Ferenc, PÁL Endre, GÁTI István, KOVÁCS Norbert, KOMOLY Sámuel, ILLÉS Zsolt

NOVEMBER 30, 2006

Clinical Neuroscience - 2006;59(11-12)

[Amyotrophic lateralsclerosis is a progressive neurodegenerative disease resulting in loss of upper and lower motoneurons. Here we analyzed the clinical and epidemiological data of 202 ALS patients admitted to our department between 1950 and 2004. Risk and protective factors influencing onset and progression of the disease were examined. We also analyzed the relationship between first clinical symptoms/signs and prognosis of the disease. Our data suggest the importance of toxic factors in the initiation of the disease and the effect of clinical phenotype on the progression of ALS.]

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Clinical Neuroscience

[THORACIC MENINGOCELE]

FEKETE Tamás Fülöp, VERES Róbert, NYÁRY István

[Herniation of the meninges through a defect of the spinal canal is a spinal meningocele, and is usually located dorsally in the lumbosacral region. Meningoceles are usually part of a complex developmental disorder, or of a systemic disease, or it can be iatrogenic, as well. We report a very rare case of a true anterior thoracic meningocele.]

Clinical Neuroscience

[Introduction]

VÉCSEI László

Clinical Neuroscience

[THE MODULATORY EFFECT OF ESTROGEN ON THE CAUDAL TRIGEMINAL NUCLEUS OF THE RAT IN AN ANIMAL MODEL OF MIGRAINE]

VARGA Hedvig, PÁRDUTZ Árpád, TAJTI János, VÉCSEI László, JEAN Schoenen

[Migraine is one of the most common neurological disorder affecting up to 14% of the population. The disease shows sexual dimorphism, thus gonadal steroids may play an important role in its patophysiology. One model of migraine headache is the systemic administration of nitric oxide (NO) donor nitroglycerin (NTG), which triggers a delayed attack without aura in many migraine patients but not in healthy volunteers. NTG is also able to activate the neurons of the caudal trigeminal nucleus in the rat. In our review we summarise the effect of NTG on the expression of some molecules, in the superficial laminae of the spinal portion of trigeminal nucleus caudalis, which play an important role in the pathomechanism of headaches, and the modulatory effect of chronic estradiol treatment. Our data show that NTG was able to modify all the examined substances in the caudal trigeminal nucleus, while chronic estradiol treatment abolished this effect. These data may help to understand the mechanisms by which estrogens influence trigeminal nociception and how nitric oxide triggers migraine attacks.]

Clinical Neuroscience

[ANIMAL MODELS OF HUNTINGTON’S DISEASE]

GÁRDIÁN Gabriella

[Huntington’s disease is an autosomal dominantly inherited progressive neurodegenerative disorder. The main symptoms are choreiform, involuntary movements, personality changes and dementia. Huntington’s disease is a member of a group of diseases caused by CAG repeat expansions. One research aim is to determine the earliest molecular changes associated with Huntington’s disease. There is no possibility for this in humans, but various early changes have been identified in an animal model of Huntington’s disease. They are constructed by excitotoxin causing striatal lesion, or mitochondrial toxins inducing energy impairment, or by generating transgenic mice.]

Clinical Neuroscience

[CLINICAL ANALYSIS OF PATIENTS WITH PERIPHERAL FACIAL PALSY]

ILNICZKY Sándor

[symptoms. In two thirds of the cases the cause is unknown, this is called “idiopathic peripheral facial palsy or Bell’s palsy”, but several different diseases have to be considered in the differential diagnosis. In this paper we reviewed the case histories of 110 patients treated for “peripheral facial palsy” in the Department of Neurology, Semmelweis University, Budapest in a five year period, 2000-2004. We studied the age, gender distribution, seasonal occurance, comorbidities, sidedness, symptoms, circumstances of referral to the hospital, the initial diagnoses and therapeutic options. We also discuss the probable causes and consequences of diagnostic failures. Results: the proportion of males and females was equal. There was no considerable difference between sexes regarding agedistribution. Of the 110 patients 106 was diagnosed with idiopathic Bell’s palsy, three cases with otic herpes zoster and one patient with Lyme disease. In our material, peripheral facial palsy was significantly more frequent in the cold period of late autumn, winter, and early spring. Diabetes mellitus and hypertension were more frequent than in the general population. 74% of the patients were admitted within two days from the onset of the symptoms. In 37% preliminary diagnosis was unavailable. In 15% cerebrovascular insult was the first, incorrect diagnosis, the correct diagnosis of “Bell’s palsy” was provided only in 16%. The probable causes of diagnostic failures may be the misleading symptoms and accompanying conditions. We examined the different therapies applied and reviewed the literature in this topic. We conclude that intravenous corticosteroid treatment in the early stage of the disease is the therapy of choice.]

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