Clinical Neuroscience

[Critical illness associated neuromuscular disorders - Keep them in mind]

NEMES Réka, MOLNÁR Levente, FÜLEP Zoltán, FEKETE Klára, BERHÉS Mariann, FÜLESDI Béla

NOVEMBER 28, 2014

Clinical Neuroscience - 2014;67(11-12)

[Neuromuscular disorders complicating sepsis and critical illness are not new and scarce phenomena yet they receive little attention in daily clinical practice. Critical illness polyneuropathy and myopathy affect nearly half of the patients with sepsis. The difficult weaning from the ventilator, the prolonged intensive care unit and hospital stay, the larger complication and mortality rate these disorders predispose to, put a large burden on the patient and the health care system. The aim of this review is to give an insight into the pathophysiological background, diagnostic possibilities and potential preventive and therapeutic measures in connection with these disorders to draw attention to their significance and underline the importance of preventive approach.]

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Clinical Neuroscience

[The interactive neuroanatomical simulation and practical application of frontotemporal transsylvian exposure in neurosurgery]

BALOGH Attila, CZIGLÉCZKI Gábor, PÁPAI Zsolt, PREUL C. Mark, BANCZEROWSKI Péter

[Background and purpose - There is an increased need for new digital education tools in neurosurgical training. Illustrated textbooks offer anatomic and technical reference but do not substitute hands-on experience provided by surgery or cadaver dissection. Due to limited availability of cadaver dissections the need for development of simulation tools has been augmented. We explored simulation technology for producing virtual reality-like reconstructions of simulated surgical approaches on cadaver. Practical application of the simulation tool has been presented through frontotemporal transsylvian exposure. Methods - The dissections were performed on two cadaveric heads. Arteries and veins were prepared and injected with colorful silicon rubber. The heads were rigidly fixed in Mayfield headholder. A robotic microscope with two digital cameras in inverted cone method of image acquisition was used to capture images around a pivot point in several phases of dissections. Multilayered, high-resolution images have been built into interactive 4D environment by custom developed software. Results - We have developed the simulation module of the frontotemporal transsylvian approach. The virtual specimens can be rotated or tilted to any selected angles and examined from different surgical perspectives at any stage of dissections. Important surgical issues such as appropriate head positioning or surgical maneuvers to expose deep situated neuroanatomic structures can be simulated and studied by using the module. Conclusion - The simulation module of the frontotemporal transsylvian exposure helps to examine effect of head positioning on the visibility of deep situated neuroanatomic structures and study surgical maneuvers required to achieve optimal exposure of deep situated anatomic structures. The simulation program is a powerful tool to study issues of preoperative planning and well suited for neurosurgical training.]

Clinical Neuroscience

[Hungarian experiences with levodopa/carbidopa intestinal gel in the treatment of advanced Parkinson’s disease]

NAGY Helga, TAKÁTS Annamária, TÓTH Adrián, BERECZKI Dániel, KLIVÉNYI Péter, DÉZSI Lívia, DIBÓ György, VÉCSEI László, KOVÁCS Norbert, ASCHERMANN Zsuzsa, KOMOLY Sámuel, VARANNAI Lajos, ZEMLÉNYI Gyöngyi

[In the advanced Parkison’s disease (PD) the late complications of levodopa therapy have to be considered: motor and/or non-motor fluctuations with or without disturbing dyskinesias. The non-motor fluctuations often influence the quality of life (QoL) in a much more negative way compared with the motor symptoms. In the treatment of advanced PD there are several device-aided methods - deep brain stimulation, apomorphine pump, levodopa/carbidopa intestinal gel (LCIG ) - to improve the symptoms, the QoL, sometimes even in an individual, tailored custom form. The LCIG therapy was introduced in Hungary in 2011. Here we summarize the data of our patients: we have tested almost 60 patients and in 43 cases we have started this treatment. We analyze the duration of illness, levodopa therapy, motor and non-motor fluctuation of patients and present our experiences with the test phase and the chronic LCIG therapy via PEG/PEJ implantation. We paid attention to the surgery and device - depending side effects. Our experiences are similar to the international data. In patients selection „the right treatment, to the right patient, in the right time” is of importance.]

Clinical Neuroscience

[Tailored cranioplasty using CAD-CAM technology]

VITANOVICS Dusan, MAJOR Ottó, LOVAS László, BANCZEROWSKI Péter

[Objective - The majority of cranial defects are results of surgical intervention. The defect must be covered within resonable period of time usually after 4-6 week given the fact that the replacement of bone improve the brain circulation. Number of surgical techniques and materials are available to perform cranioplasty. Due to favorable properties we chosed ultra high molecular weight polyethylene as material. In this paper the authors show a procedure which allows tailored artificial bone replacement using state of art medical and engineering techniques. Methods - between 2004 and 2012, 19 patients were operated on cranial bone defect and a total of 22 3D custom- designed implants were implanted. The average age of patients was 35.4 years. In 12 patients we performed primary cranioplasty, while seven patients had the replacement at least once. Later the implants had to be removed due to infection or other causes (bone necrosis, fracture). All patients had native and bone- windowed 1 mm resolution CT. The 3D design was made using the original CT images and with design program. Computer controlled lathe was used to prepare a precise-fitting model. During surgery, the defect was exposed and the implant was fixed to normal bone using mini titanium plates and screws. All of our patients had control CT at 3, 6 and12 months after surgery and at the same time neurological examination. Results - Twenty-one polyethylene and one titanium implants were inserted. The average follow-up of the patients was 21.5 months, ranged from two to 96 months. We follow 12 patients (63.15%) more than one year. No intraoperative implant modifications had to be made. Each of the 22 implant exactly matched the bone defect proved by CT scan. No one of our patients reported aesthetic problems and we did not notice any kind of aesthetic complication. We had short term complication in three cases due to cranioplasty, subdural, epidural haemorrhage and skin defect. Conclusion - Polyethylene is in all respects suitable for primary and secondary cranioplasty. Combined with 3D CADCAM method excellent aesthetic and functional result was achieved. In our study no case of infection occured. Proper preoperative preparation is important.]

Clinical Neuroscience

[From life events to symptoms of anxiety and depression: the role of dysfunctional attitudes and coping]

MÉSZÁROS Veronika, AJTAY Gyöngyi, FODOR Kinga, KOMLÓSI Sarolta, BOROSS Viktor, BARNA Csilla, UDVARDY-MÉSZÁROS Ágnes, PERCZEL FORINTOS Dóra

[The aim of the present study was a systematic path-analytical investigation between the effects of life events, dysfunctional attitudes and coping strategies in relation with the exhibited depressive and anxiety symptoms in patients with mental disorders. Methods - Self-report data of 234 patients from our outpatient psychotherapy unit were analyzed. Life events, dysfunctional attitudes, coping strategies as well as symptoms of anxiety and depression were assessed by self-administerd questionnaires. Statistical methods included structural equation modelling, which enables the estimation of the magnitude and strength of individual variables within an overarching casual model, thus yielding a complex view on the possible processes underlying the development of the clinical symptoms of anxiety and depression. Results - Our findings indicate that both the number of negative life events and their subjectively experienced intensity contributed to the increase of dysfunctional attitudes. The presence of dysfunctional attitudes decreased the use of problem-focused coping strategies and increased the use of emotion-focused coping strategies. The use of problem-focused coping decreased symptom occurrence and emotion-focused coping strategies increased the frequency of symptoms of anxiety and depression. Our findings suggest that dysfunctional need for achievement and perfectionism directly increase the probability of depressive symptom manifestation. The attitude of external locus of control showed a significant relationship with anxiety symptoms through emotion-focused coping strategies and directly as well. Conclusion - Restructuring dysfunctional attitudes and developing problem-focused coping strategies are an important part of psychotherapeutic interventions aiming to decrease anxiety and depressive symptoms.]

Clinical Neuroscience

[Neurocognitive impairments of HIV infected individuals - Preliminary results of a national prevalence study in Hungary]

LAKATOS Botond, SZABÓ Zsuzsa, BOZZAI Barbara, BÁNHEGYI Dénes, GAZDAG Gábor

[Background and purpose - The outcome of HIV infection has dramatically improved due to the widespread use of combined antiretroviral therapy (cART). Opportunistic infections faded and internal and hemato-oncological diseases along with neurological conditions came to the forth. Present study is to evaluate neurocognitive performance of the Hungarian HIV infected individuals, at first in this setting. Patients and methods - We performed this cross-sectional pilot study within the frames of a national, single-center; prospective study on group of HIV infected patients, analyzing medical data and neurocognitive performance. Based on international recommendations visual memory, visuomotor coordination, non-verbal learning ability, executive functions and reaction time were tested by six domains of a computerized neuropsychological test battery (Vienna Test System). Results - Data of 59 enrolled HIV individuals were analysed; nine of whom were women (15%), median age 42.6 (IQR: 32.4-48.1) years. In 32.2% (n=19) of patients neurocognitive impairment was detected. Duration of infection and cART treatment time tended to be longer in impaired group (not significant). Lower CD4 cell count at the time of examination (p=0.047), psychiatric diseases other than depression (p=0.005) were found significantly associated with impairment; tertiary education qualification were more common (p=0.033) among non-affected patients. By correlation analysis age, infected time and duration of cART were significantly associated with motor deficit. Conclusion - HAND was detected in almost one third part of examined patients, which largely corresponds that in developed countries were observed. Duration of infection and of cART therapy associated motor deficit was found to be the most common impairment. This finding might be interpreted by direct effect of HIV, neurotoxicity of antiretrovirals and also by accelerated ageing of this population.]

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[Associated factors of independency in older adults with cognitive impairment living in a long term care institute]

KOVÁCS Éva, JÓNÁSNÉ SZTRUHÁR Izabella, KARÓCZI Csilla Kata, VASS Zsolt, FARKAS Lilla

[Aim of the research: Functional independence determines the elderly’s health and quality of life. In them cross-sectional study the authors analysed the associations between functional abilities (balance, gait, functional mobility, cognitive abilities), age, BMI and comorbidities and independency in older adults with cognitive impairment. Research and sampling methods: 110 elderly people were measured. Self-sufficiency was measured by the Katz-index, balance, and gait by the Tinetti Test and functional mobility by the Timed Up and Go Test. Correlations between variables were analysed with the Spearman’s rank-order correlation. Results: There was strong association between balance (r=0,557), gait (r=0,515), functional mobility (r=-0,647), and independency. It means the better the balance, gait, and functional mobility is, the higher the independency is. There was weak association between age, BMI, cognitive abilities, comorbidities and independency. Conclusion: Results show that preserving of the functional independence in older adults with cognitive impairment is a multidisciplinary task: physiotherapists and nurses should work together to complete doctors’ curative work of chronic diseases.]

Hypertension and nephrology

[Therapy of isolated systolic hypertension III.]

FARSANG Csaba

[In the elderly and very elderly (˃80 yrs), a wealth of data from large clinical trials are available, showing the necessity of treatment mostly with drug combinations - fix-combinations are preferred for increasing the adherence/persistence to therapy. Using diuretics, ACE-inhibitors/ARBs with calcium antagonists, and in special cases diuretics and beta blockers are also suggested by recent European guidelines (ESH, HSH). The target is <140 mmHg, but in octogenarians <150 mmHg. Some studies are pressing for even lower SBP (to around 120 mm Hg), but it seems to be wise to balance advantages/disadvantages, so the optimal SBP may be around 130 mmHg.]

Lege Artis Medicinae

[Pathomechanism, symptoms, differential diagnosis and therapy of fibromyalgia]

KELEMEN Judit

[Fibromyalgia is a chronic, non-inflammatory pain syndrome characterised by diffuse muscle pain and increased tenderness of specific tender points. The exact cause or pathomechanism of the disease is unknown. In the background, nociception and the pain processing pathways of the central nervous system are suspected as dysfunctional. The disease occurs primarily in middle-aged women. Occurence of fibromyalgia is between 1-4%, increasing up to 20% in a rheumatology clinic. In Canada, the cost of treatment of fibromyalgia was 350 million $ in 1993. Unfortunately, in Hungary no similar data is available. It is frequently joined by different vegetative and functional symptoms. One characteristic feature is insomnia, causing typical morning fatigue in patients. Effective therapy has yet to be found, although successful treatment may be achieved with drug therapy (amitryptilin), psychotherapy and aerobics with supplemental electro- and hydrotherapy. Patient education and involvement is also important for good therapeutic results and for the ability to return to work as soon as possible.]

LAM KID

[Pain management in rheumatology]

NAGY Katalin

[Pain is the most common symptom in rheumatology, which can be of mechanical or inflammatory origin, acute and chronic, nociceptive, neuropathic and psychogenic. Pain can be relieved by analgesics, nonsteroidal anti-inflammatory drugs, opioids, adjuvants and special drugs depending on the etiology, for example a gout attack can be stopped by colchicine. For pain relief, we use therapeutic guidelines of the World Health Organization (WHO), which recommends the use of analgesics, NSAIDs and adjuvants as the first step, weaker opioids as the second, and strong opioids as the third step. In rheumatology, the first step's drugs are generally used. If possible, NSAIDs should be administered briefly, potentially combined with analgesics and muscle relaxants. If pain management is insufficient, tramadol should be given. Pain relief in rheumatology also include the use of local and intraarticular injections, physiotherapy, TENS and balneotherapy. Complex therapies that combine the above mentioned methods is often more effective than the use of medications only.]

Clinical Neuroscience

[Assessment of severity and time course of critical illness neuropathy in septic patients: a prospective observational study]

NEMES Réka, FÜLEP Zoltán, LÁSZLÓ István, SÁRKÁNY Péter, FEKETE Klára, MECHLER Ferenc, FÜLESDI Béla

[Objective - In this prospective observational study we investigated electrophysiological alterations in the early phase of critical illness and correlated electrophysiological findings with the clinical picture and outcome. Methods - We enrolled 21 critically ill surgical patients having ≥12 Acute Physiology and Chronic Health Evaluation (APACHE) II scores on admission. Routine non-invasive bilateral electroneurography (ENG) examination of median and ulnar nerves was done on five consecutive days starting in two days after admission. Then weekly follow-up was performed. Motor and sensory nerve conduction indices were calculated and correlated with APACHE II and Simplified Acute Physiology Score II severity scores. Results - On the first examination 18/21 patients had >20% reduction in the motor and sensory nerve conduction indices. Severity score systems showed significant negative correlation with the daily change of CMAP and SNAP amplitudes and calculated nerve conduction indices (Spearman’s correlation, p<0,001). Mortality was higher in the patients with worse admission ENG and/or stagnant electrophysiological status or declining tendency in the first week. Conclusions - Electrophysiological alterations appeared soon after the development of critical illness. Early phase alterations showed a strong correlation with patients’ general condition and more severe electrophysiological alterations predisposed to higher mortality. In several cases early alterations proved to be reversible. ]