Clinical Neuroscience

[Course and prognosis of intraventricular hemorrhages]

AMREIN Ilona1, JUHÁSZ Csaba1, SZIRMAI Imre1

SEPTEMBER 20, 1997

Clinical Neuroscience - 1997;50(09-10)

[Prognosis of ventricular hemorrhages is variable: parenchymal bleedings with secondary propagation into the ventricles are reported to have high mortality while good recovery is seen in most patients with primary intraventricular hemorrhage. The clinical course and outcome of 7 patients with intraventricular hemorrhage are reported and analysed in this paper. Three of them suffered primary intraventricular hemorrhage. One patient was followed up for 7 years after the onset of his disease. Complete clinical recovery was observed in 4 out of 7 patients, 2 patients had mild residual symptoms and 1 died because of extracranial complications. The favourable outcome of secondary intraventricular bleedings could be explained by the relief of intracranial pressure because of the drainage into the ventricular system. Noncommunicating hydrocephalus is a frequent complication, it should always be considered when signs of increased intracranial pressure develope after transitory improvement. External ventricular drainage of cerebrospinal fluid prevents the permanent neurological consequences of the hydrocephalus. Three out of our 7 patients required this procedure. Regular CSF examination helps the early recognition of drain-ventriculitis.]

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  1. Semmelweis Orvostudományi Egyetem Neurológiai Klinika, Budapest

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Clinical Neuroscience

Management of cavernous angiomas of eloquent brain areas by means of image (MRI or CT) - guided key-hole craniotomy

KÖVÉR Ferenc, DÓCZI Tamás, VON JAKO C., BALÁS István

Details of neurosurgical management of four patients suffering from intractable epilepsy caused by cavernous angiomas of subcortical eloquent brain areas are presented. Two of four cavernomas were not visualized by CT or angiography but only by MRI. MRI or CT stereotactic image-guided key-hole craniotomy and resection of the lesion from the dominant anterior central gyrus (2 cases), from the dominant superior temporal gyrus or from the dominant supramarginal gyrus were performed without any morbidity. The postoperative hospital stay was 3-5 days and all four patients experienced improved seizure control. We conclude that stereotactic image-guided key-hole craniotomy and microsurgical resection offer significant advantages in the treatment of cavernous malformations. Surgical indications include medically refractory epilepsy, intracerebral haemorrhage and/or progressive neurological deficit.

Clinical Neuroscience

[Examination after the first epileptic seizure]

RÓZSAVÖLGYI Margit

[106 patients were examined after the first epileptic seizure; they were divided into two groups based on the clinical data. The two groups were: the group of provoked seizure and the group of non-provoked (isolated) seizure. 95 patients were in these two groups. The others showed focal epileptiform EEG alterations or generalized epileptiform activity without seizures and, because of the very low number of patients, the author excluded them from the study. A questionnaire was used to study and to search for the history of the disease and provocative factors. The familial occurrence of epilepsy was quite often among the patients, similar to primary generali zed epilepsy (17.9%). There were no important previous illnesses, except the provoked seizure. The provocative factors played a significant role in the occurrence of the first seizure. The different provocative factors appeared in greater numbers in the different groups. The anxiety occurred as a possible provocative factor in the group of non provoked seizure. The EEG after the first epileptic seizure showed epileptiform activity in the lower percentage than was predictable from the literature. The mobile long term EEG was shown to be an effective method of examination for epileptiform activity.]

Clinical Neuroscience

[Interpretation of the resoults of DNA image analysis in astrocytomas - biology and prognosis]

SZŰCS István, LEEL-ŐSSY Lóránt, KINDLER Miklós

[Ploidy and proliferative activity of 72 astrocytomas (except glioblastomas) were examined with nuclear DNA content by computed image analysis. The majority of samples originated from paraffin embedded material but they were partly obtained from surgical biopsy by printing or smear technique. The 72 astrocytomas were classified according to Kernohan's grading system. Different areas of tumours were evaluated according to their ploidy (euploid, diploid, aneuploid and heterogenous ranges), proliferative parameters and DNA indices. The transitional zone sometimes revealed higher proliferative index with euploidy. The DNA distribution showed greater population even in the case of moderate malignancy. Uniform – single population - DNA distribution characterized the benign type in 79% with DNA index within the diploid range. The remaining 21% had aneuploidy with another population (heterogenous). The higher the malignancy the greater the population may be found with the higher percentage of S phase cells. The mitotic forms displayed higher DNA index as well as G 2 phase even in the transitional zone of the tumour. The heterogeneity with higher percentage of S- phase correlated well with the histological type of the tumour. The follow-up study of some astrocytomas sometimes did not show a good correlation with the DNA values. However a good correlation was found between the number of cells with higher S and G 2 phases and the type of histogram in the majority of cases studied. The different parts of the tumours also varied in these respects, which should be taken into consideration during needle biopsies.]

Clinical Neuroscience

[Suggestion for new classification of ischemic stroke]

KOPA János, RÁDAI Ferenc, SZÁSZ Krisztina, REPA Imre, HUSZÁR Péter, BESZTERCZÁN Péter, GYŐRBÍRÓ Zsolt

[The classifications of ischemic damage of the brain which have been in use cannot give a suitable orientation about the pathoanatomical background of this disease. As a result of this, the authors investigated the data of 1000 cerebrovascular indoor stroke patients who had been investigated by CT or MRI. The clinical and radiological data were compared. Their conclusion was: more than 80% of the cerebrovascular diseases are ischemic lesions. All of the ischemic patients have some vascular disturbances. In the cases of all patients having some ischemic event (transient ischemic attack, reversible ischemic neurological deficit, prolonged reversible ischemic neurological deficit, completed stroke) there are enduring ischemic lesions which can be demonstrated by CT or MRI. Comparing the neurological signs and the CT or MRI findings of the patients we could establish two groups of ischemic lesions: solitaire and multiplex infarcts. They can be divided into 3 subgroups. Among the solitaire infarcts is subgroup S-1: the patient has no neurological sign and in the CT or MR pictures there is only one lesion under 10 mm in diameter. S-2: mild neurological signs with one infarcted lesion about 15 mm in diameter; as a partial lesion in the territory of a cerebral vessel; S-3: severe neurological signs with total or almost total damage in the territory of a cerebral vessel. Among the multiple infarcted patients there is subgroup M-1: the patient has no neurological sign, but in the CT or MR pictures there are many small (under 5 mm in diameter) infarcted zones; M-2: the patient has mild neurological signs and multiple infarcted zones (5-15 mm in diameter) can be seen in the CT, MRI picture; M-3: the patient has very severe neurological signs and/or dementia. The infarcted areas consist of small and one or more sites of partial or total damage in the territory of a cerebral vessel. This classification is better in showing the state of the patients and the pathoanatomical distur bances. The authors have used this classification in clinical practice without any problems for a year.]

Clinical Neuroscience

Analysis of IQ and genotype in duchenne and becker muscular dystrophy

LÁSZLÓ Aranka, PÓR Erzsébet, CSEPREGI Zsuzsa, ENDERFFY Emőke, RASKÓ István

The authors analysed the association of genotype and the intelligence quotient (IQ) examined with age dependent psychological methods (Wechsler, Vineland, Binet, Raven IQ tests) in 41 Duchenne (DMD), 2 intermediate MD, and 14 Becker type muscular dystrophic (BMD) patients (mean age2.5-37 y). ln 61.4% of the DMD/BMD exon deletion of dystrophin gene was found, while in 38.6% no deletion was detected. The assessment of the genotype was made by using multiple PCR method, examining the most frequent deletion of 18 exons and the muscle specific promoter. Among the deletion patients the distribution of mentol retardation was 28.5%, among patients with non deletion 22.7%. ln 21.4% of BMD patients and in 29.2% DMD patients mentol retardation was detected, the differences were not significant. Similar to the findings of other authors in 4 patients having exon deletions near the 5' end of the gene no mentol retardation was found, but in 14 of 30 patients having deletions near the 5' end of the gene there was. One patient with the largest deletion (exons 12-44) proved to be debil.

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[New, innovative prognosis calculator for patients with metastatic spinal tumors]

MEZEI Tamás, BÁSKAY János, POLLNER Péter , HORVÁTH Anna, NAGY Zoltán , CZIGLÉCZKI Gábor , BANCZEROWSKI Péter

[The aim of our research was to create a scoring system that predicts prognosis and recommends therapeutic options for patients with metastatic spine tumor. Increasing oncological treatment opportunities and prolonged survival have led to a growing need to address clinical symptoms caused by meta­stases of the primary tumor. Spinal metastases can cause a significant reduction in quality of life due to the caused neurological deficits. A scoring system that predicts prognosis with sufficient accuracy could help us to achieve personalised treatment options. Methods – We performed a retrospective clinical research of data from patients over 18 years of age who underwent surgery due to symptomatic spinal metastasis at the National Institute of Mental Disorders, Neurology and Neurosurgery between 2008 and 2018. Data from 454 patients were analysed. Survival analysis (Kaplan-Meier, log-rank, Cox model) was performed, network science-based correlation analysis was used to select the proper prognostic factors of our scoring system, such that its C value (predictive ability index) was maximized. Multivariate Cox analysis resulted in the identification of 5 independent prognostic factors (primary tumour type, age, ambulatory status, internal organ metastases, serum protein level). Our system predicted with an average accuracy of 70.6% over the 10-year study period. Our large case series of surgical dataset of patients with symptomatic spinal metastasis was used to create a risk calculator system that can help in the choice of therapy. Our risk calculator is also available online at https://emk.semmelweis.hu/gerincmet.]

Lege Artis Medicinae

[Blood pressure variability and its clinical importance]

KÉKES Ede, VÁLYI Péter

[The 24-hour and longer-term (weeks, months, years) as well as seasonal, regional variations and fluctuations of blood pressure have been known for long time in both normotensive and hypertensive patients. It is also well known and established that blood pressure variability is greater in patients with more severe hypertension and in the elderly population. In the last decade and actually, the variability of blood pressure has come into new light by meticulous analysis of numerous causal factors and consequences influencing its fluctuation. The real diagnostic and prognostic value of blood pressure variability and its role in the assessment of successful antihypertensive treatment have also been favoured. In our review, we summarise the physiological and pathophysiological principles of blood pressure variability, including also the significant importance of allostasis in the new approach. We overview the methods of measuring the blood pressure variability and its real importance related to the results obtained. We analyse the importance of non-adaptive levels of blood pressure variability in asymptomatic cases and apparent conditions, further in diagnostic projections and monitoring the treatment. Based on our own experience, we also present the future options of exploring the fluctuating blood pressure.]

Clinical Neuroscience

[Prognostic significance of invasion in glioblastoma]

SZIVÓS László, VIRGA József, HORTOBÁGYI Tibor, ZAHUCZKY Gábor, URAY Iván, JENEI Adrienn, BOGNÁR László, ÁRKOSY Péter, KLEKNER Álmos

[Glioblastoma is the most common malignant CNS tumor, its surgical removal is hindered by the tumors invasive nature, while current anti-tumor therapies show limited effectiveness – mean overall survival is 16-24 months. Some patients show minimal response towards standard oncotherapy, however there are no routinely available prognostic and predictive markers in clinical practice to identify the background of mentioned differences in prognosis. This research aims to identify the prognostic significance of invasion-related extracellular (ECM) components. Patient groups with different prognoses were created (OS: group A <16 months, group B > 16 months), and internationally recognized prognostic markers (IDH1 mutation and MGMT promoter hyper-methylation) were tested in the flash-frozen tumor samples. Furthermore, the mRNA levels of 46 invasion-related ECM molecules were measured. Clinical data of the patients who have been operated on at the University of Debrecen Clinical Center Department of Neurosurgery and treated at the Department of Clinical Oncology showed no significant differences except for survival data (OS and PFS), and reoperation rate. All samples were IDH wild type. MGMT promoter hypermethylation rate showed significant differences (28.6% vs 68.8%). The expressional pattern of the invasion-related ECM molecules, i.e. the invasion spectrum also showed major differences, integrin β2, cadherin-12, FLT4/VEGFR-3 and versican molecules having signficantly different mRNA levels. The accuracy of the inivasion spectrum was tested by statistical classifier, 83.3% of the samples was sorted correctly, PPV was 0.93. The difference found in the reoperation rate when comparing different prognostic groups aligns with literature data. MGMG promoter region methylation data in Hungarian samples has not been published yet, and further confirming current knowledge urges the implementation of MGMT promoter analysis in clinical practice. Studying the invasion spectrum provides extra information on tumors, as a prognostic marker it helps recognizing more aggressive tumors, and calls attention to the necessity of using anti-invasive agents in GBM therapies in the future.]

Clinical Neuroscience

[Prognostic factors of surgically treated spinal meningeomas and long-term surgical outcomes ]

CZIGLÉCZKI Gábor, NÉMETH Fanni, BERÉNYI György, BANCZEROWSKI Péter

[Introduction, the aim of article - The spinal meningeomas are one of the most common types of spinal tumors. In the treatment of spinal meningeomas, the surgical removal is the gold standard method. There are many factors that have impacts on surgical outcomes such as age, preoperative neurological condition, the extent of resection and histological grade. The aim of our article is to analyze surgical experiences, prognostic features and long-term surgical outcomes of spinal meningeomas. Patients and methods - Retrospective database of surgically treated patients with spinal meningeomas between 2008 and 2016 was made in the National Institute of Clinical Neuroscience, Budapest, Hungary. Demographic data, preoperative neurological symptoms, radiological discrepancies, pathological results (histology, grade), types of treatments and postoperative results were examined. All of our patients were followed clinically and radiologically in the postoperative courses. Results - All of the 153 patients were surgically treated. We have examined 112 women and 41 men. The average age of the patients was 65.5 years. In 98.7% of the cases, the postoperative control examinations (postoperative 6th week) showed a significant improvement in sensorial and motorial functions. The neurological improvements were evident right after the surgeries. In 2 cases (1.30%), no changes were observed in the preoperative symptoms. Recurrence was noticed in 4 cases (2.61%). Conclusion - According to our results, the spinal meningeomas can be sufficiently treated with early diagnosis and total surgical removal. Most of the patients become asymptomatic and the rate of recurrence is quite low.]

Clinical Neuroscience

The evaluation of the relationship between risk factors and prognosis in intracerebral hemorrhage patients

SONGUL Senadim, MURAT Cabalar, VILDAN Yayla, ANIL Bulut

Objective - Patients were assessed in terms of risk factors, hematoma size and localization, the effects of spontaneous intracerebral hemorrhage (ICH) on mortality and morbidity, and post-stroke depression. Materials and methods - The present study evaluated the demographic data, risk factors, and neurological examinations of 216 ICH patients. The diagnosis, volume, localization, and ventricular extension of the hematomas were determined using computed tomography scans. The mortality rate through the first 30 days was evaluated using ICH score and ICH grading scale. The Modified Rankin Scale (mRS) was used to determine the dependency status and functional recovery of each patient, and the Hamilton Depression Rating Scale was administered to assess the psychosocial status of each patient. Results - The mean age of the patients was 65.3±14.5 years. The most common locations of the ICH lesions were as follows: lobar (28.3%), thalamus (26.4%), basal ganglia (24.0%), cerebellum (13.9%), and brainstem (7.4%). The average hematoma volume was 15.8±23.8 cm3; a ventricular extension of the hemorrhage developed in 34.4% of the patients, a midline shift in 28.7%, and perihematomal edema, as the most frequently occurring complication, in 27.8%. Over the 6-month follow-up period, 57.9% of patients showed a poor prognosis (mRS: ≥3), while 42.1% showed a good prognosis (mRS: <3). The mortality rate over the first 30 days was significantly higher in patients with a low Glasgow Coma Scale (GCS) score at admission, a large hematoma volume, and ventricular extension of the hemorrhage (p=0.0001). In the poor prognosis group, the presence of moderate depression (39.13%) was significantly higher than in the good prognosis group (p=0.0001). Conclusion - Determination and evaluation of the factors that could influence the prognosis and mortality of patients with ICH is crucial for the achievement of more effective patient management and improved quality of life.