Clinical Neuroscience

[Application of the Multiple Sclerosis Functional Composite in Debrecen]


MARCH 10, 2005

Clinical Neuroscience - 2005;58(03-04)

[Introduction - The Multiple Sclerosis Functional Composite (MSFC) has been recommended by the National Multiple Sclerosis Society as a new clinical outcome measure. It is based on measurements in three clinical dimensions: leg function/ambulation (timed 25-foot walk), arm function (9-hole peg test), and cognitive function (paced auditory serial addition test). Scores on component measures are converted to standard scores (Z-scores) that reflect patient performance. This method has not yet been introduced into routine clinical practice. Patients and method - MSFC calculation was applied to 17 patients with relapsing-remitting multiple sclerosis (age mean: 37.4±10.8 years; duration of the disease: 5.5±4.9 years, EDSS: 2.7±1.4) seen at the neuroimmunological outpatient clinic to evaluate its usefulness and its correlation with the traditionally applied Expanded Disability Status Scale (EDSS) and with patient-reported quality of life. Fifteen patients received immunomodulatory treatment (interferon beta and glatiramer acetate). MSFC and EDSS were measured at 0, 3, 6, 9, 12, 18 months, and questionnaires on quality of life were filled in by the patients at 0, 6, 12, 18 months of follow- up. Results - The prospective study confirmed a strong correlation between EDSS and MSFC (Spearman correlation test, p=0.03, 0.004, 0.002, 0.004, 0.0008, 0.002; R=-0.54, -0.66, -0.68, -0.65, -0.73, -0.69) in multiple sclerosis. The MSFC was more sensitive to clinical changes than EDSS. The extent of changes on the two scales correlated only after 18 months (p<0.005, R=-0.65). The arm/hand function was the most sensitive measure for disease progression. There was no correlation between the quality of life and either of the two other clinical parameters. Conclusion - MSFC is a simple method, suitable for followup of multiple sclerosis patients in everyday clinical practice.]



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Clinical Neuroscience

[Supplementary sensory-motor seizures - symptomatology, etiology, and surgical management with illustrative case reports]

HALÁSZ Péter, JUHOS Vera, ERÕSS Loránd, TÓTH Szabolcs, BALOGH Attila, GYÖRGY Ilona, BARSI Péter, KELEMEN Anna, BARCS Gábor

[In the past decade, owing to the advance of epilepsy surgery, growing knowledge has accumulated on the role of the supplementary motor area, described by Penfield and coworkers in the early fifties, in movement regulation and on the characteristics of seizures involving this area. In the Hungarian neurological literature this topic - despite its neurophysiological and practical clinical importance - has been hardly touched. The authors, based on their own experience obtained from surgeries performed within the framework of the "Co-operative Epilepsy Surgery Program", describe the electrophysiological features of this area, its role in movement regulation and the symptoms of epileptic seizures stemmed from or spread onto this area. Using cases as illustrations, they demonstrate the reasoning and various algorithms of the multidisciplinary examination necessary to explore the seizure onset zone and the pathways of seizure spread. Details of the surgical solution are also described.]

Clinical Neuroscience

[Volumetric changes following 125 I interstitial irradiation of low grade gliomas]

JULOW Jenő, VIOLA Árpád, MAJOR Tibor, MANGEL László, BAJZIK Gábor, REPA Imre, SÁGI Sarolta, VALÁLIK István, EMRI Miklós, TRÓN Lajos, NÉMETH György

[Background - Image fusion permits quantitative analysis of the consequences of 125 Iodine interstitial irradiation of brain tumors. The volume of tumor necrosis, reactive zone and edema can be compared to the dosimetric data. Patients and method - Nineteen patients with low grade glioma were analyzed on the average 14.5 months following 125 Iodine interstitial irradiation. Dose planning and image fusion were performed with the Target 1.19 (BrainLab) software. The CT/MR images showing the so called “triple ring” (necrosis, reactive ring and edema) developing after the interstitial irradiation of brain tumors were fused with the planning images and the isodose curves. The volume of the three regions was measured. Values at the intersections of isodose curves and necrosis borders were averaged and used for calculation of tumor necrosis. The volume of normal brain tissue irradiated by given dose values, as well as homogeneity and conformality indices were also determined. Results - The relative volumes of the different parts of the “triple-ring” compared to the reference dose volume were the following: necrosis 54.9%, reactive zone 59.7%, and edema 445.3% . Tumor necrosis developed at 71.9 Gy dose. At the irradiation of an average size glioma with a volume of 12.7 cm3, 5 to 7 cm3 normal brain tissue around the tumor received 60-70 Gy dose. The average homogeneity and conformality indices were 0.24 and 0.57, respectively. Conclusion - The analysis of changes in the volume of edema, reactive ring and necrosis caused by interstitial irradiation, and their correlation with the dozimetric data using the image fusion method provide useful information for patient follow-up, clinical management and further therapeutic decisions.]

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Introduction - Spinal Cord Injury (SCI) may often lead to significant disability in affected individuals and reduce life satisfaction. Herein we aimed to investigate the effects of the level of injury on disability and life satisfaction as well as the relation between life satisfaction and disability. Methods - Patients with at least one-year history of SCI were included. Demographic-clinical data of patients were recorded. The Craig Handicap Assessment and Reporting Technique-Short Form (CHART-SF) was used for quantifying the degree of patients’ disability. Life satisfaction was assessed by the Satisfaction with Life Scale (SWLS). Results - Of the 76 patients, 21 (27.6%) were tetraplegic and 55 (72.4%) were paraplegic. SWLS was found to be similar in tetraplegic vs. paraplegic patients (P=0.59), whereas CHART parameters such as physical independence, mobility, occupation, and total CHART value were significantly higher in paraplegic patients (P=0.04, P=0.04, P=0.001 and P=0.01, respectively). Social integration was found similarly high in both groups. There was a positive correlation between elapsed time after the injury and CHART physical independence, occupation and the level of economic sufficiency (P<0.01, P<0.01, P=0.01). Excluding the economic sufficiency (P=0.02), there was not any other association between the rest of CHART parameters and SWLS. Conclusions - According to our findings, although the level of injury seems to be influential on disability, it seems to have no significant effect on life satisfaction. Since the only thing that positively affects life satisfaction is economic sufficiency, more emphasis should be placed on regulations that increase the return to work in patients.

Clinical Neuroscience

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[Background and purpose - It has been reported that multiple sclerosis has four different neuropathological subtypes, and two of them (type III and IV) are characterized by primary oligodendrocyte loss. However, the exact pathomechanism that lead to oligodendrocyte apoptosis in human demyelinating diseases is still elusive. The copper chelator cuprizone induces primary oligodendrocyte apoptosis and consequent demyelination in well defined areas of the mouse brain. Nevertheless, the precise subcellular events that result in oligodendrocyte cell death in the cuprizone model are still unknown. We aimed to study the ultrastructural alterations that might induce oligodendrocyte apoptosis in the cuprizone experimental demyelination model. Methods - C57BL/6 mice were given cuprizone for two, 21 and 35 days to induce demyelination to investigate early pathological events, and different stages of demyelination. In addition, mice were given cuprizone for 35 days and were allowed to recover for two or 14 days to study early and late remyelination. After the cuprizone treatment, mice were sacrificed and the corpus callosum, the superior cerebellar peduncle, the optic nerve and the sciatic nerve were studied by electron microscopy. Results - The ultrastructural analysis revealed that cuprizone induced oligodendrocyte apoptosis is accompanied by the formation of giant mitochondria in the affected cells in the corpus callosum and in the superior cerebellar peduncle. Apoptosis of the myelin producing cells was present through the whole cuprizone challenge. Severe demyelination occurred after three weeks of cuprizone administration associated with massive macrophage infiltration and astrocytosis of the demyelinated areas. Axons and neurons remained unaffected. Conclusion - The formation of giant mitochondria in myelin producing oligodendrocytes is the first pathological sign in the cuprizone experimental demyelination. Mitochondrium pathology in the cuprizone challenge might serve as a useful model to study the pathomechanism of multiple sclerosis subtypes (III and IV) characterized by primary oligodendrocyte degeneration.]

Clinical Neuroscience

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Clinical Neuroscience

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Journal of Nursing Theory and Practice

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