Clinical Neuroscience

[Minimally invasive, extrapleural-anterolateral approach to the spine]

SZABÓ Viktor, BÜKI András, DÓCZI Tamás, SCHWARCZ Attila

SEPTEMBER 30, 2018

Clinical Neuroscience - 2018;71(09-10)


[In spine surgery, minimally invasive approaches (MIS) are getting accepted and more popular worldwide during the last decades. It is due to the reduced intraoperative blood loss, decreased infection rate, less postoperative pain and earlier discharge from hospital compared to traditional approaches. The present paper puts forward a minimally invasive extrapleural approach to the thoracic spine that is not applied in Hungary. This new approach, in contrast to the standard costotransversectomy, provides direct visual control over the ventral surface of the dural sac. Furthermore, contrary to the transthoracic way, following minimally invasive extrapleural surgery thoracic drainage and intensive care are not necessary. The approach can be applied safely in treatment of ventral or ventrolateral pathologies of the thoracic spine. ]



Further articles in this publication

Clinical Neuroscience

Anterior cerebral artery infarcts; two years follow-up study

LÜTFÜ Hanoglu, ELMIR Khanmammadov, SEMA Demirci, ÜMMÜHAN Altin, DURSUN Kirbaş, TAHA Hanoglu, BURAK Yulug

Objectives – Anterior cerebral infarct (ACA) infarcts are reported very rare that is due to the compensatory collateral circulation provided by the anterior communicating artery. There are very few studies reporting the long-term follow-up results of ACA infarcts regarding their aetiology, clinical features and prognosis. Most studies reported in the literature vary between several months to one year. Patients and methods – A total of 27 patients with ACA infarcts were registered (14 women and 13 men). The mean age of the patients was 68.5 (age range: 45–89 years). Results – Bilateral ACA infarcts were reported in four patients (14.8%), right ACA infarct in 11 (40%) patients and left ACA infarct in 12 patients (44%). During the initial examination 15 patients (55.5%) were found to have apathy, 13 patients (48%) had incontinence, nine patients (33.3%) had primitive reflexes, 11 patients (40.7%) had aphasia, while six patients (22.2%) were found to suffer from neglect. At the end of one-year follow-up, five patients (22.7%) were reported to have apathy, 6 patients (27.2%) had incontinence, one patient (4.5%) had primitive reflexes, while one patient (4.5%) was found to have permanent aphasia, and no patients was found to suffer from neglect. Conclusion – Here we present our clinical data regarding the aetiology, specific clinical characteristics (including the speech disorders) and prognosis of 27 patients with ACA infarcts during a relatively longer follow-up period (3 months – 30 months) in compared to previous literature. We show that there are differences in the etiological factors of ACA infarcts between the Asian and European communities. Regarding speech disorders which are frequently reported during ACA infarcts, our study results are in agreement with other studies suggesting that this clinical picture is more than a real aphasia and associated with general hypokinesia and reduction in psychomotor activity.

Clinical Neuroscience

Caregiver burden and quality of life in early stages of idiopathic Parkinson’s disease

YUKSEL Burcu, AK Dogan Pelin, SEN Aysu, SARIAHMETOGLU Hande, USLU Celiker Sibel, ATAKLI Dilek

Objectives - The aim of this study was to assess the impact of early stage of idiopathic Parkinson’s disease (IPD) on caregiver burden with disease severity, duration, disability and psychiatric symptoms. Methods - 30 IPD patient (15 female, 15 male) - caregiver (18 female, 12 male) pairs participated in the study. Hoehn and Yahr (H-Y) scale was used to provide the assessment of disease progression and Unified Parkinson’s Disease Rating Scale (UPDRS) was used for assessing disability and impairment. Zarit Caregiver Burden Inventory (ZCBI) was used to ascertain the distress experienced by caregivers. Hospital Anxiety and Depression scale (HADS) was performed on both patient and caregiver groups to evaluate anxiety and depression. Depressive symptoms of both groups were also measured by Beck Depression Inventory (BDI). Patients’ psychotic symptoms were assessed using the part 1- mentation, behavior and mood section of UPDRS. Mini-Mental State Examination (MMSE) was used to evaluate dementia symptoms and Short Form-36 (SF-36) was also used to assess quality of life. Results - We found significant correlation between caregiver burden with disease severity and duration. There was a significant difference between high UPDRS scores and the caregiver’s will for placing her/his patient in a long-term institution. Patients who had depression risk according to BDI had also high UPDRS scores. Patients with off period had higher UPDRS scores and lower SF-36 subdomains of general health, physical functioning, emotional role and social functioning. Conclusion - IPD is a chronic, progressive neuro- degenerative disease and comprises substantial burden on patients, families of patients and caregivers. The disease duration and disability have a remarkable impact on caregiver burden. For the good quality of caregiving, protective therapies should be recommended for caregivers if needed.

Clinical Neuroscience

A rare condition mimicking stroke: Diabetic uremic encephalopathy

TEKESIN Aysel, ERDAL Yuksel, MAHMUTOGLU Soydan Abdullah, HAKYEMEZ Ahmet, EMRE Ufuk

Uremic encephalopathy (UE) is a metabolic disorder associated with acute or chronic renal failure. It is characterized by the acute or subacute onset of reversible neurological symptoms and specific imaging findings. It is uncommon for uremic encephalopathy to be associated with acute bilateral lesions of the basal ganglia in diabetic uremic patients, and this can be seen most often in Asian patients. Here, we report a patient with diabetic uremic encephalopathy and bilateral basal ganglia lesions who developed acute onset dysarthria. The clinical and magnetic resonance brain imaging findings resolved after hemodialysis treatment.

Clinical Neuroscience

[28 years in the service of the cooperation of national clinical neurosciences]

RAJNA Péter, TAJTI János

[Two leading managers of the scientific journal currently publishing its 71st volume give an overview on the history and content- and form-related development of the journal. Recognizing the constantly decreasing role of paper-based literature products, the value system and the priorities of the journal were established more than 20 years ago: 1) preservation of high standards by achieving and maintaining international registration and annual qualification (i.e. impact factor); 2) enabling publication in Hungarian language for scientists living in Hungary and abroad; 3) displaying an ever broader spectrum of clinical neurosciences in the publications; 4) presentation of cutting-edge findings (related to the etiology, diagnostics, therapy, and care) of the most frequent and most relevant diseases in order to assure and enhance the quality of national clinical practice; 5) providing the possibility for the highest possible standard of scientific publication for Hungarian clinical neuroscientist; and finally 6) maintaining a readily available interaction surface and debate forum for the involved professionals in clinical questions of public interest. With respect to the above aspects, an outline is given of the efforts of the nearly three decades by listing editorial, publication, and other activities introduced throughout the history of the journal. The presumed strengths and weaknesses of the journal are summarized, the opportunities and limitations of the established objectives are highlighted, based on which the editors outline the most important tasks (SWOT analysis).]

Clinical Neuroscience

[Diagnosis of multiple sclerosis: A review of the 2017 revisions of the McDonald criteria]


[The revolutionary progress of research in neuroimmu­nology has led to the introduction of disease modifying therapies in multiple sclerosis at the end of the last century. The International Panel on Diagnosis of Multiple Sclerosis originally proposed the 2001 McDonald criteria to facilitate the diagnosis of MS in patients with the first objective neurological symptom(s) suggesting demyelinating event, when magnetic resonance imaging is integrated with clinical and other paraclinical diagnostic methods. New terms have been introduced to substitute clinical information by MRI: dissemination in space - indicating a multifocal central demyelinating process and dissemination in time - indicating the development of new CNS lesions over time. The criteria for diagnosis of Multiple Sclerosis have continuously evolved, they were modified in 2005 and 2010 allowing for an earlier and more accurate diagnosis of MS over time, and they provided the most up-to-date guidance for clinicians and researchers. The last recommended revisions relied entirely on available evidence, and not on expert opinion thereby reducing the risk of the misdiagnosis. The 2017 McDonald criteria continue to apply primarily to patients experiencing a typical, clinically isolated syndrome. In this review, we provide an overview of the recent 2017 revisions to the criteria of dissemination in space and time with the importance of the presence of CSF-specific oligoclonal bands; keeping fully in mind that there is no better explanation for symptoms than diagnosis of MS. In the future, validation of the 2017 McDonald criteria will be needed in diverse populations. Further investigations are required on the value of new MRI approaches, on optic nerve involvement, on evoked potential and optical coherence tomography, in order to assess their possible contribution to diagnostic criteria.]

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Related contents

Clinical Neuroscience

Role of positioning between trunk and pelvis in locomotor function of ambulant children with and without cerebral palsy


Purpose - To understand if children with and without cerebral palsy share the same lumbar postural control threshold on the sagittal plane for the transition between each walking locomotor stage. Method - Observational analysis of sagittal trunk-pelvis kinematics of 97 children with cerebral palsy and 73 with typical development, according to their locomotor stage. Results - Among children with typical development, all average and minimum measurements of the sagittal lumbar curve during the gait events were correlated with age and the locomotor stages of development. Among children with cerebral palsy, there were significant correlations between all average and minimum values of the sagittal lumbar curve and locomotor stages of development but not age. Conclusions - We conclude that, for the same locomotor level, there are no common postural patterns between children with typical development and those with spastic bilateral cerebral palsy for the position between trunk and pelvis in the sagittal plane. Maximal lordosis reduction between trunk and pelvis may change with age or even training, but does not make a positive effect on the locomotor level, while basal and maintenance capacities could explain locomotor function. Trials that failed to assess quality of movement may now have a better understanding of how different interventions improve posture towards the next functional level.

Clinical Neuroscience

Attitude of spine surgeons towards the application of 3D technologies - a survey of AOSpine members

ÉLTES Endre Péter, KISS László, BARTOS Márton, EÖSZE Zsolt, SZÖVÉRFI Zsolt, VARGA Pál Péter, LAZÁRI Áron

Background - 3D technologies (3D virtual and physical model, 3D printing, computer aided engineering, finite element analysis based simulations) play an important role in personalized spine surgery. Objective - In collaboration with AOSpine a global, online survey-based study was performed in order to determine the acceptance rate and the factors which stand against the wider spread of 3D technologies. Methods - A survey containing 21 questions was developed and divided into five pages, every page corresponding to one chapter. Our analysis is based on the responses of 282 spine surgeons from 57 countries. To interpret our results in a global context, we used the Human Development Index of the respondent's countries in comparisons. Results - Significant difference between the AOSpine regions (p ≤ 0.05) was found, with the highest acceptance in Asia-Pacific region. There was no significant difference in acceptance score according to the field of spine surgery, or the surgical experience in years (p=0.77, and p=0.19). In the case of public practice, we found significantly higher acceptance compared to private and mixed (public and private) surgical practice (p ≤ 0.05). The acceptance of the technology varied based on the respondent’s resident country’s Human Development Index and was significantly different between „Medium” vs “Very high” (p = 0.0005) and „High” vs „Very high” (p=0.019) category. Significant positive correlation was found between the acceptance score and the HDI score (Spearman test, ρ = 0.37, p = 0.007). The main limitation factor was identified as the lack of information. Conclusion - There is high interest among spine surgeons towards the incorporation of 3D technologies into the clinical practice. Education, the healthcare system, and the economic environment plays a major role in acceptance. Our results provide the basis of a strategy to promote the application of 3D technologies.

Clinical Neuroscience


MÁTYÁS Ferenc, WATANABE Masahiko, MACKIE Ken, KATONA István, FREUND F. Tamás

[Several abused drugs are known to alter glutamatergic signaling in reward pathways of the brain, and these plastic changes may contribute to the establishment of addiction- related behaviour. Glutamatergic synapses of the prefrontal cortical projections to the nucleus accumbens (nAcb) - which are suggested to be under endocannabinoid (eCB) control - play a central role in the addiction process. The most abundant eCB in the brain is 2-arachidonoyl- glycerol (2-AG). It is synthesized by diacylglycerol lipase alpha (DGL-α), and exerts its action via type 1 cannabinoid receptors (CB1). However, the precise localization of DGL-α and CB1 - i.e. the sites of synthesis and action of 2AG - is still unknown. At the light microscopic level, immunocytochemistry revealed a granular pattern of DGL-α distribution in the core of the nAcb. Electron microscopic analysis confirmed that these granules corresponded to the heads of dendritic spines. On the other hand, presynaptic axon terminals forming excitatory synapses on these spineheads were found to express CB1 receptors. Our results demonstrate that the molecular constituents for a retrograde endocannabinoid control of glutamatergic transmission are available in the core of the nAcb, and their relative subcellular location is consistent with a role of 2-AG in addiction-related plasticity of cortical excitatory synapses in this reward area.]