Lege Artis Medicinae

[From disease-centrism to P4 medicine - a route to a health system placing the human “wholeness” into the center]

VÁLYI Péter

MARCH 20, 2019

Lege Artis Medicinae - 2019;29(03)

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Lege Artis Medicinae

[The modern therapy of lipid disorders in the daily practice ]

REIBER István

[Elevated LDL-C and/or triglycerides and decreased HDL-C levels contribute to development of vascular lesions. In the absence of detectable vascular disease the lipid values of providing vascular protection preferably with a healthy diet, regular physical activity and by trying to get out of harmful passions. If the healthy lifestyle is not effective enough, lipid-lowering medication may also be necessary in primary prevention. In the cases of inherited lipid disorders and in patients with high or very high cardiovascular risk it is necessary to take lipid lowering medications in effective dose. The Hun­ga­rian and the international guidelines have been formulated the targets of lipid values for vascular protection. The paper is trying to help for everyday medical practice, how to treat the dyslipidemic patients with the application of widely available lipid parameters and lipid lowering medications effectively. ]

Lege Artis Medicinae

[Is it necessary? - Opinions and experiences about a first aid programme for children - pilot study]

BÁNFAI Bálint, PANDUR Attila, SCHISZLER Bence, RADNAI Balázs, BÁNFAI-CSONKA Henrietta, BETLEHEM József

[INTRODUCTION - Starting first aid education in early childhood can be an effective method of knowledge transfer. AIM - Our aim was to examine first aid education related opinions of kindergarten- and primary school children, educators, and parents. MATERIALS AND METHODS - 871 people (children, educators, parents) were involved in our study. Opinions were measured with self-administered questionnaires, containing mainly open questions. RESULTS - General opinion of parents and educators on first aid education in childhood were mainly positive, but they also gave negative ones. The majority of participants had a positive opinion about our completed program. Based on the opinions of parents and educators first aid education is recommended by health care professionals. Opinions were independent from gender, age, lenght of time of working with children in all cases (p>0.05). CONCLUSIONS - General opinion of parents and educators was varied, but it was generally positive concerning our program. Based on this results opinions can be changed with concrete activities. ]

Lege Artis Medicinae

[Antibiotics from the rood nodules]

KOVÁCS Ferenc

Lege Artis Medicinae

[Long-term CPAP compliance among Sleep Apnea Patients at the Sleep Laboratory of the Hungarian Defense Forces Medical Center ]

DOMBOVÁRI Magdolna, BERNÁT István, TERRAY-HORVÁTH Attila, CSATLÓS Dalma, HARGITTAY Csenge, TORZSA Péter

[Obstructive sleep apnea syndrome (OSAS) is the most common sleep disorder, with a prevalence of 2-4% in the overall popula­tion. It is a risk factor for cardiovascular diseases and its daytime symptoms significantly impair the patients’ quality of life and increase the risk of work and road accidents. Its first-line treatment is the CPAP device (Continuous Positive Airway Pres­sure) the effectiveness of which is significantly determined by the compliance of the patient. Although the issue of compliance in such treatment is a very important factor, long-term studies including a large number of patients have not been published yet, and there are no known data about it in Hungary. OBJECTIVE - Examining the long-term compliance of CPAP among OSAS patients in a sleep laboratory in Hungary. METHOD - 3403 OSAS patients were selected for our study between January 1, 2007, and September 30, 2017. The diagnosis and titration of effective CPAP pressure were determined by polysomnography. Patients were controlled after 2 months of therapy and then every 6 and 12 months. During the care, their compliance value was determined by data downloaded from their device's memory card. RESULTS - The mean age (± SD) of patients was 59.0 (± 10.5) years, most of them were male, 2676 (78.6%), their average body mass index (BMI) was 32.6 (± 5.25) kg/m2, their average Epworth Sleepiness Scale score was 11.4 (± 5.0), their average Apnea-Hypopnoe index was 51.0 (± 19.5) events/hour. The average usage time of the CPAP device was 5.0 (± 1.9) hours. 72.3% of the patients used the device for over 4 hours and 27.7% used it for less than 4 hours. 34.7% of the patients used the device for more than 6 hours. The Epworth Sleepiness Score showed a significant and dose-dependent improvement over CPAP treatment, with a greater improvement among patients who used the machine for longer hours. The highest score improvement was achieved by users who used CPAP between 6-7 hours, averaging 7.3 (± 3.2) points (p <0.001). CONCLUSIONS - Our present study shows that high average compliance can be achie­ved among well-adjusted and well-maintained patients. ]

Lege Artis Medicinae

[Medicine at the crossroads]

OBERFRANK Ferenc

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SENGUL Yildizhan, KOCAK Müge, CORAKCI Zeynep, SENGUL Serdar Hakan, USTUN Ismet

Cognitive dysfunction (CD) is a common non-motor symptom of Parkinson’s disease (PD). Alexithy­mia is a still poorly understood neuropsychiatric feature of PD. Cognitive impairment (especially visuospatial dysfunction and executive dysfunction) and alexithymia share com­mon pathology of neuroanatomical structures. We hypo­thesized that there must be a correlation between CD and alexithymia levels considering this relationship of neuroanatomy. Objective – The aim of this study was to evaluate the association between alexithymia and neurocognitive function in patients with PD. Thirty-five patients with PD were included in this study. The Toronto Alexithymia Scale–20 (TAS-20), Geriatric Depression Inventory (GDI) and a detailed neuropsychological evaluation were performed. Higher TAS-20 scores were negatively correlated with Wechsler Adult Intelligence Scale (WAIS) similarities test score (r =-0.71, p value 0.02), clock drawing test (CDT) scores (r=-0.72, p=0.02) and verbal fluency (VF) (r=-0.77, p<0.01). Difficulty identifying feelings subscale score was negatively correlated with CDT scores (r=-0.74, p=0.02), VF scores (r=-0.66, p=0.04), visual memory immediate recall (r=-0.74, p=0.01). VF scores were also correlated with difficulty describing feelings (DDF) scores (r=-0.66, p=0.04). There was a reverse relationship bet­ween WAIS similarities and DDF scores (r=-0.70, p=0.02), and externally oriented-thinking (r=-0.77,p<0.01). Executive function Z score was correlated with the mean TAS-20 score (r=-62, p=0.03) and DDF subscale score (r=-0.70, p=0.01) Alexithymia was found to be associated with poorer performance on visuospatial and executive function test results. We also found that alexithymia was significantly correlated with depressive symptoms. Presence of alexithymia should therefore warn the clinicians for co-existing CD.

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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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Creutzfeldt-Jakob Disease: A single center experience and systemic analysis of cases in Turkey

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We aimed to analyze the clinical, laboratory and neuroimaging findings in patients with sporadic Creutzfeldt-Jakob disease (CJD) in a single center as well as to review other published cases in Turkey. Between January 1st, 2014 and June 31st, 2017, all CJD cases were evaluated based on clinical findings, differential diagnosis, the previous misdiagnosis, electroencephalography (EEG), cerebrospinal fluid and cranial magnetic resonance imaging (MRI) findings in our center. All published cases in Turkey between 2005-2018 were also reviewed. In a total of 13 patients, progressive cognitive decline was the most common presenting symptom. Two patients had a diagnosis of Heidenhain variant, 1 patient had a diagnosis of Oppenheimer-Brownell variant. Seven patients (53.3%) had been misdiagnosed with depression, vascular dementia, normal pressure hydrocephalus or encephalitis. Eleven patients (87%) had typical MRI findings but only 5 of these were present at baseline. Asymmetrical high signal abnormalities on MRI were observed in 4 patients. Five patients (45.4%) had periodic spike wave complexes on EEG, all appeared during the follow-up. There were 74 published cases in Turkey bet­ween 2005 and 2018, with various clinical presentations. CJD has a variety of clinical features in our patient series as well as in cases reported in Turkey. Although progressive cognitive decline is the most common presenting symptom, unusual manifestations in early stages of the disease might cause misdiagnosis. Variant forms should be kept in mind in patients with isolated visual or cerebellar symptoms. MRI and EEG should be repeated during follow-up period if the clinical suspicion still exists.

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Neuroscience highlights: Main cell types underlying memory and spatial navigation

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Interest in the hippocampal formation and its role in navigation and memory arose in the second part of the 20th century, at least in part due to the curious case of Henry G. Molaison, who underwent brain surgery for intractable epilepsy. The temporal association observed between the removal of his entorhinal cortex along with a significant part of hippocampus and the developing severe memory deficit inspired scientists to focus on these regions. The subsequent discovery of the so-called place cells in the hippocampus launched the description of many other functional cell types and neuronal networks throughout the Papez-circuit that has a key role in memory processes and spatial information coding (speed, head direction, border, grid, object-vector etc). Each of these cell types has its own unique characteristics, and together they form the so-called “Brain GPS”. The aim of this short survey is to highlight for practicing neurologists the types of cells and neuronal networks that represent the anatomical substrates and physiological correlates of pathological entities affecting the limbic system, especially in the temporal lobe. For that purpose, we survey early discoveries along with the most relevant neuroscience observations from the recent literature. By this brief survey, we highlight main cell types in the hippocampal formation, and describe their roles in spatial navigation and memory processes. In recent decades, an array of new and functionally unique neuron types has been recognized in the hippocampal formation, but likely more remain to be discovered. For a better understanding of the heterogeneous presentations of neurological disorders affecting this anatomical region, insights into the constantly evolving neuroscience behind may be helpful. The public health consequences of diseases that affect memory and spatial navigation are high, and grow as the population ages, prompting scientist to focus on further exploring this brain region.