Clinical Neuroscience

[ABSTRACTS OF THE 8TH CONGRESS OF THE HUNGARIAN EPILEPSY LEAGUE Pécs, 25-27 May, 2006.]

MAY 30, 2006

Clinical Neuroscience - 2006;59(05-06)

[Abstracts of the 8th congress of the hungarian epilepsy league Pecs 25-27 may 2006]

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Clinical Neuroscience

[EPILEPSY AND MALE SEXUAL DYSFUNCTION: ETIOLOGY, DIAGNOSIS AND THERAPY]

BÓNÉ Beáta, JANSZKY József

[While 10% of healthy men had sexual dysfunctions, male epilepsy patients experience sexual problems in 40-70%. The cause of sexual dysfunction in epilepsy is multifactorial, but there are three main factors: the epilepsy itself, antiepileptic treatment and psychiatrical/psychic problems. Antiepileptics with hepatic enzyme induction potential (carbamazepine, phenytoin) enhance the metabolism of sexual steroids. Valproic acid as an enzyme inhibitor and drug with high protein binding affinity elevates the free serum levels of androgenes. Certain antiepileptic drugs may have negative cognitive side effects, some of them can induce psychiatric disorders. These drugs can facilitate male sexual dysfunctions through these psychic side effects. The metabolic and endocrine alterations caused by carbamazepin may return to normal level after replacement of carbamazepin with oxcarbazepine. After an oxcarbazepin-carbamazepin replacement, carbamazepin-induced impotency can be cured. According some new data lamotrigine can also help in sexual dysfunction. The therapy of sexual dysfunction in epilepsy depends on its cause. In cases of hormonal alterations, the fist step is a change of antiepileptic regimen. Instead of enzymeinductor antiepileptics and valproate, new antiepileptic drugs should be prescribed. At present, the most investigated antiepileptic drug is the oxcarbazepine with positive effect on antiepileptic-induced male sexual dysfunction, however, lamotrigine seems to be also beneficial. If the hormonal and sexual dysfunctions cannot be eliminated by drug changes, androgenic therapy or bromocriptin may be required. Testosteron may not only be beneficial on sexual functions, but can reduce also the seizure frequency. Independent of etiology, erectile dysfunctions can be successfully treated by sildenafil.]

Clinical Neuroscience

[COMPLEX GAZE DISTURBANCE CAUSED BY THALAMIC AND MESENCEPHALIC INFARCTS]

GULYÁS Szilvia, NAGY Ferenc, SZIRMAI Imre

[A 36 year-old male patient developed sudden double vision and gait imbalance. Neurological examination revealed gaze paresis upward and on the left side downward (vertical “oneand- a-half”-syndrome), horizontal gaze nystagmus on the left bulbus directed to left. The MRI revealed bilateral thalamic and left midbrain ischemic lesions. The brainstem auditory and visual evoked responses were normally configured. Optokinetic nystagmus test found rightward, upward and downward hypometric saccades, convergence-retraction nystagmus - which was not visible at physical neurological examination - saccadic smooth pursuit eye movement and pseudoabducent palsy on both sides. The complex gaze disturbance was attributed to the lesions in the intralaminar nuclei of the thalamus and in the pretectal and rostromedial tegmentum of the mesencephalon. Infarcts may have been due to a variant artery: i.e. the thalamoperforant and the superior paramedian mesencephalic arteries originate with common branch from one of the communicant basilar artery. The authors discuss the mechanism of complex gaze palsy and call attention to the diagnostic value of optokinetic nystagmus examination.]

Clinical Neuroscience

[CONGRESS CALENDAR]

[Congress calendar 2006;59(05-06)]

Clinical Neuroscience

[Tünde Csépány-Zsolt Illés: Clinical neuroimmunology]

VÉCSEI László

Clinical Neuroscience

[Ferenc Katona: History of Brain Research. Development of Neurosciences]

VÉCSEI László

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Fluoxetine use is associated with improved survival of patients with COVID-19 pneumonia: A retrospective case-control study

NÉMETH Klára Zsófia, SZÛCS Anna , VITRAI József , JUHÁSZ Dóra , NÉMETH Pál János , HOLLÓ András

We aimed to investigate the association between fluoxetine use and the survival of hospitalised coronavirus disease (COVID-19) pneumonia patients. This retrospective case-control study used data extracted from the medical records of adult patients hospitalised with moderate or severe COVID-19 pneumonia at the Uzsoki Teaching Hospital of the Semmelweis University in Budapest, Hungary between 17 March and 22 April 2021. As a part of standard medical treatment, patients received anti-COVID-19 therapies as favipiravir, remdesivir, baricitinib or a combination of these drugs; and 110 of them received 20 mg fluoxetine capsules once daily as an adjuvant medication. Multivariable logistic regression was used to evaluate the association between fluoxetine use and mortality. For excluding a fluoxetine-selection bias potentially influencing our results, we compared baseline prognostic markers in the two groups treated versus not treated with fluoxetine. Out of the 269 participants, 205 (76.2%) survived and 64 (23.8%) died between days 2 and 28 after hospitalisation. Greater age (OR [95% CI] 1.08 [1.05–1.11], p<0.001), radiographic severity based on chest X-ray (OR [95% CI] 2.03 [1.27–3.25], p=0.003) and higher score of shortened National Early Warning Score (sNEWS) (OR [95% CI] 1.20 [1.01-1.43], p=0.04) were associated with higher mortality. Fluoxetine use was associated with an important (70%) decrease of mortality (OR [95% CI] 0.33 [0.16–0.68], p=0.002) compared to the non-fluoxetine group. Age, gender, LDH, CRP, and D-dimer levels, sNEWS, Chest X-ray score did not show statistical difference between the fluoxetine and non-fluoxetine groups supporting the reliability of our finding. Provisional to confirmation in randomised controlled studies, fluoxetine may be a potent treatment increasing the survival for COVID-19 pneumonia.

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Cases of inborn errors of metabolism diagnosed in children with autism

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Autism spectrum disorder is a neurodevelopmental disorder with a heterogeneous presentation, the etiology of which is not clearly elucidated. In recent years, comorbidity has become more evident with the increase in the frequency of autism and diagnostic possibilities of inborn errors of metabolism. One hundred and seventy-nine patients with diagnosis of autism spectrum disorder who presented to the Pediatric Metabolism outpatient clinic between 01/September/2018-29/February/2020 constituted the study population. The personal information, routine and specific metabolic tests of the patients were analyzed retrospectively. Out of the 3261 patients who presented to our outpatient clinic, 179 (5.48%) were diagnosed with autism spectrum disorder and were included in the study. As a result of specific metabolic examinations performed, 6 (3.3%) patients were diagnosed with inborn errors of metabolism. Two of our patients were diagnosed with classical phenylketonuria, two with classical homocystinuria, one with mucopolysaccharidosis type 3D (Sanfilippo syndrome) and one with 3-methylchrotonyl Co-A carboxylase deficiency. Inborn errors of metabolism may rarely present with autism spectrum disorder symptoms. Careful evaluation of the history, physical examination and additional findings in patients diagnosed with autism spectrum disorder will guide the clinician in the decision-making process and chose the appropriate specific metabolic investigation. An underlying inborn errors of metabolism may be a treatable cause of autism.

Clinical Neuroscience

Late simultaneous carcinomatous meningitis, temporal bone infiltrating macro-metastasis and disseminated multi-organ micro-metastases presenting with mono-symptomatic vertigo – a clinico-pathological case reporT

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Although vertigo is one of the most common complaints, intracranial malignant tumors rarely cause sudden asymmetry between the tone of the vestibular peripheries masquerading as a peripheral-like disorder. Here we report a case of simultaneous temporal bone infiltrating macro-metastasis and disseminated multi-organ micro-metastases presenting as acute unilateral vestibular syndrome, due to the reawakening of a primary gastric signet ring cell carcinoma. Purpose – Our objective was to identify those pathophysiological steps that may explain the complex process of tumor reawakening, dissemination. The possible causes of vestibular asymmetry were also traced. A 56-year-old male patient’s interdisciplinary medical data had been retrospectively analyzed. Original clinical and pathological results have been collected and thoroughly reevaluated, then new histological staining and immunohistochemistry methods have been added to the diagnostic pool. During the autopsy the cerebrum and cerebellum was edematous. The apex of the left petrous bone was infiltrated and destructed by a tumor mass of 2x2 cm in size. Histological reexamination of the original gastric resection specimen slides revealed focal submucosal tumorous infiltration with a vascular invasion. By immunohistochemistry mainly single infiltrating tumor cells were observed with Cytokeratin 7 and Vimentin positivity and partial loss of E-cadherin staining. The subsequent histological examination of necropsy tissue specimens confirmed the disseminated, multi-organ microscopic tumorous invasion. Discussion – It has been recently reported that the expression of Vimentin and the loss of E-cadherin is significantly associated with advanced stage, lymph node metastasis, vascular and neural invasion and undifferentiated type with p<0.05 significance. As our patient was middle aged and had no immune-deficiency, the promoting factor of the reawakening of the primary GC malignant disease after a 9-year-long period of dormancy remained undiscovered. The organ-specific tropism explained by the “seed and soil” theory was unexpected, due to rare occurrence of gastric cancer to metastasize in the meninges given that only a minority of these cells would be capable of crossing the blood brain barrier. Patients with past malignancies and new onset of neurological symptoms should alert the physician to central nervous system involvement, and the appropriate, targeted diagnostic and therapeutic work-up should be established immediately. Targeted staining with specific antibodies is recommended. Recent studies on cell lines indicate that metformin strongly inhibits epithelial-mesenchymal transition of gastric cancer cells. Therefore, further studies need to be performed on cases positive for epithelial-mesenchymal transition.

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[The well-known gap bet­ween stroke mortality of Eastern and Western Euro­pean countries may reflect the effect of socioeconomic diffe­rences. Such a gap may be present between neighborhoods of different wealth within one city. We set forth to compare age distribution, incidence, case fatality, mortality, and risk factor profile of stroke patients of the poorest (District 8) and wealthiest (District 12) districts of Budapest. We synthesize the results of our former comparative epidemiological investigations focusing on the association of socioeconomic background and features of stroke in two districts of the capital city of Hungary. The “Budapest District 8–12 project” pointed out the younger age of stroke patients of the poorer district, and established that the prevalence of smoking, alcohol-consumption, and untreated hypertension is also higher in District 8. The “Six Years in Two Districts” project involving 4779 patients with a 10-year follow-up revealed higher incidence, case fatality and mortality of stroke in the less wealthy district. The younger patients of the poorer region show higher risk-factor prevalence, die younger and their fatality grows faster during long-term follow-up. The higher prevalence of risk factors and the higher fatality of the younger age groups in the socioeconomically deprived district reflect the higher vulnerability of the population in District 8. The missing link between poverty and stroke outcome seems to be lifestyle risk-factors and lack of adherence to primary preventive efforts. Public health campaigns on stroke prevention should focus on the young generation of socioeconomi­cally deprived neighborhoods. ]