Lege Artis Medicinae

[Rapprochement to medicine: crossing paths between Franz Alexander and Michael Polanyi]


MAY 20, 2017

Lege Artis Medicinae - 2017;27(04-05)

[Franz Alexander and Michael Polanyi, who were childhood friends, schoolmates at the grammar school as well as at the medical school are renowned scientists, who were dealing with the issue of reciprocity between knower and known. Interrelation of their careers is hardly researched. In this paper, I attend to this unexplored topic. Alexander adopted the Freudian position at the age of 29. Polanyi first had turned into a physical chemist and then, at the age of 45 his calling was in the philosophy of science. I will show in this paper that their achievements are deeply rooted in the culture that they acquiered in their medical studies in Hungary. ]



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[Mazes and compass in prognostic value of cardiovascular risk factors]

KÉKES Ede, KISS István

[The risk assessment of cardiovascular disease is dispensable in everyday practice, because this disease-group gives the high-est death rates all over the world - in developed countries, in Central European Region, including Hungary. Based on reliable surveys world side, we need in addition to coronary heart disease, stroke has been reckoned today to peripheral vascular disease, type-2 diabetes, and chronic kidney diseases as well. It seems useful to the new name i.e., atherosclerotic cardiovascular diseases. It stands as smoking, hypertension, dyslipidemia risk factors among this group of diseases in the background, but more and more importance is given to visceral obesity, physical inactivity, alcohol consumption and psycho-social status. It has to count with the fact that the individual factors together and appear further worsen to mortality rate. The greatest interference arises because the cardiovascular risk estimation proposed by embodiments of non-uniform principles. Undoubtedly, the resolution of ACC/AHA 2010 was the first correct compass, because the classification and utility values of the factors precisely regulated. But in addition, it is essential that in the risk assessment not only the “global estimation” (tables, other forms) will be conducted, but also other important parameters characterizing the extended factors (vascular structure, obesity, psycho-social status, etc.) - set schedule and regulations - acting on to be carried out. We presented in cardiovascular risk assessment methodology and the most profitable methods of estimation based on the preventive guidelines, extern opinions generally accepted now and own experiences. We propose to modify the risk assessment me-thod.]

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[Whether we teach effectively what we consider being important? As seen by medical educators]

VARGA Zsuzsanna, PÓTÓ Zsuzsanna, CSATHÓ Árpád, FÜZESI Zsuzsanna

[In Hungary the training and output requirements of faculty of general medicine determine the required knowledge, skills and abilities, i.e. competences of graduated me­dical doctors. On the one hand, we examined how the tea­chers ponder the weight of competences established for medical education in the training and output requirements, on the other hand to what extent they mediate these during their teaching activity. The field research by self-developed questionnaires was carried out in four Hun­ga­rian medical schools in the fall semester 2017. For evaluation we used gap analysis, Wilcoxon signed-rank test and factor ana­lysis. The questionnaire was sent to all lecturers (n=1790) of the four medical schools and 439 of them filled it out (24.5%). Results of the research show that the lecturers do not mediate any competence in their teaching practice in such an extent, as important as they consider it is (except one). There are statistically proved negative gaps between the extent of importance and mediation – to a different extent per competence. The examined competences can be grouped in well identifiable factors, which corresponds to the three-circle model accepted in the international literature. Results of the research underline, that be­side the core competences of medical knowledge, there are further developmental opportunities in the medical education, the importance of which was ensured by the lecturers as well. In addition to the realization of lacks and needs the development of lecturers’ skills as well as pedagogical and didactical knowledge are inevitable for the implementation. ]

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Cases of inborn errors of metabolism diagnosed in children with autism

CAKAR Emel Nafiye, YILMAZBAS Pınar

Autism spectrum disorder is a neurodevelopmental disorder with a heterogeneous presentation, the etiology of which is not clearly elucidated. In recent years, comorbidity has become more evident with the increase in the frequency of autism and diagnostic possibilities of inborn errors of metabolism. One hundred and seventy-nine patients with diagnosis of autism spectrum disorder who presented to the Pediatric Metabolism outpatient clinic between 01/September/2018-29/February/2020 constituted the study population. The personal information, routine and specific metabolic tests of the patients were analyzed retrospectively. Out of the 3261 patients who presented to our outpatient clinic, 179 (5.48%) were diagnosed with autism spectrum disorder and were included in the study. As a result of specific metabolic examinations performed, 6 (3.3%) patients were diagnosed with inborn errors of metabolism. Two of our patients were diagnosed with classical phenylketonuria, two with classical homocystinuria, one with mucopolysaccharidosis type 3D (Sanfilippo syndrome) and one with 3-methylchrotonyl Co-A carboxylase deficiency. Inborn errors of metabolism may rarely present with autism spectrum disorder symptoms. Careful evaluation of the history, physical examination and additional findings in patients diagnosed with autism spectrum disorder will guide the clinician in the decision-making process and chose the appropriate specific metabolic investigation. An underlying inborn errors of metabolism may be a treatable cause of autism.

Clinical Neuroscience

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

JARABIN András János, KLIVÉNYI Péter, TISZLAVICZ László, MOLNÁR Anna Fiona, GION Katalin, FÖLDESI Imre, KISS Geza Jozsef, ROVÓ László, BELLA Zsolt

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.

Clinical Neuroscience

[The role of sleep in the relational memory processes ]

CSÁBI Eszter, ZÁMBÓ Ágnes, PROKECZ Lídia

[A growing body of evidence suggests that sleep plays an essential role in the consolidation of different memory systems, but less is known about the beneficial effect of sleep on relational memory processes and the recognition of emotional facial expressions, however, it is a fundamental cognitive skill in human everyday life. Thus, the study aims to investigate the effect of timing of learning and the role of sleep in relational memory processes. 84 young adults (average age: 22.36 (SD: 3.22), 21 male/63 female) participated in our study, divided into two groups: evening group and morning group indicating the time of learning. We used the face-name task to measure relational memory and facial expression recognition. There were two sessions for both groups: the immediate testing phase and the delayed retesting phase, separated by 24 hours. 84 young adults (average age: 22.36 (SD: 3.22), 21 male/63 female) participated in our study, divided into two groups: evening group and morning group indicating the time of learning. We used the face-name task to measure relational memory and facial expression recognition. There were two sessions for both groups: the immediate testing phase and the delayed retesting phase, separated by 24 hours. Our results suggest that the timing of learning and sleep plays an important role in the stabilizing process of memory representation to resist against forgetting.]