Lege Artis Medicinae

[Relaxing Close to the Nature – An Interview with Andrea Tóth, Marketing Director of Park Inn Sárvár]

NAGY Zsuzsa

MARCH 20, 2010

Lege Artis Medicinae - 2010;20(03-04)

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Lege Artis Medicinae

[Neuroendocrine background of atherosclerosis and cardiovascular damages in durable stress]

MOLNÁR Ildikó

[Chronic stress is associated with increased levels of cortisol and catecholamines as well as with an enhanced activity of the sympathico-sensory nervous system. These neuroendocrine events influence both directly and indirectly the lipid and glucose metabolism as well as inflammatory immune reactions. Stress effects directly cause vascular damage and atherosclerosis via the renin-angiotensin system (RAS). Besides RAS, activities of monocytes/macrophages and the sympathico-sensory nervous system lead to local cardiovascular inflammation and cell hypertrophy. Transactivation between G-protein coupled adrenoceptors and tyrosine kinase receptors as well as the switching between β1- and β2- adrenergic receptors play an important role in the development of cardiac hypertrophy and heart failure. In all chronic neuroendocrine diseases that are associated with increased activity of the sympathetic nervous system, the development of cardiovascular damages needs to be considered.]

Lege Artis Medicinae

[Changing of the guard - The end of an era]

KAPÓCS Gábor

Lege Artis Medicinae

[The role of risk sharing in drug funding]

KALÓ Zoltán, VOKÓ Zoltán

[In order to make the pharmaceutical budget predictable, an internationally accepted approach of health insurance providers is to shift more and more financial risks to pharmaceutical companies. The major paradox of financial risk-sharing schemes is that increased mortality, poor therapeutic compliance, reduced access to healthcare services, decreasing quality of health care and lack of treatment reduce pharmaceutical spending. Consequently, payers have started to employ reimbursement schemes that enable them to guarantee health gain and quality of service. Introduction of a risk-sharing scheme based on outcome and compliance can be a major advancement in the strategy of the Hungarian National Health Insurance Fund (NHIF). Funding schemes that guarantee therapeutic benefit can help reduce the uncertainty in coverage decisions regarding high-value, innovative healthcare technologies. However, justification of the parallel use of financial and outcomebased risk-sharing on the micro level is questionable. Even if the primary objective of the NHIF is to ensure the sustainbility of the public pharmaceutical budget, financial risks should be managed on the macro level.]

Lege Artis Medicinae

[Secondary hyperaldosteronism resulting from a feeding disorder]

TÓTH Géza, RÁCZ Károly, FŰTŐ László

[INTRODUCTION - A number of diseases can cause hyperreninaemia and secondary hyperaldosteronism due to the stimulation of the renin-angiotensin system (RAS). The authors present a case of a patient suffering from a feeding disorder, whose secondary hyperaldosteronism verified by hormone examinations recovered after resolution of the feeding disorder. CASE REPORT - The authors found that the patient, who had been on an extreme vegetarian diet and avioded all forms of common salt as well as natural sodium intake for 8 years, had consistently normal electrolite levels, normal blood pressure, elevated plasma renin activity (PRA) and plasma aldosterone levels. Salt loading and postural tests verified secondary hyperaldosteronism. All known diseases that might lead to elevated RAS activity were excluded. After cessation of the salt-restricted diet, the patient’s PRA and plasma aldosteron levels returned to the normal range, which confirmed the possibility that the secondary hyperaldosteronism developed because of the feeding disorder. CONCLUSION - The authors have not found similar hormon alterations due to alimentary causes in humans in the literature. According to their hypothesis, the feeding disorder might lead to secondary hyperaldosteronism via affecting the system or systems that regulate RAS activity.]

Lege Artis Medicinae

[Several questions of medical treatments in polycystic ovary syndrome]

BAJNOK László

[Polycystic ovary syndrome is an endemic disease, thus its treatment is of great importance. In polycystic ovary syndrome, metformin decreases androgen levels, improves menstrual irregularity, hirsutism, ovulation ratio, and the efficiency of lifestyle interventions on visceral obesity, endothelial function and LDL-cholesterol level. It seems plausible to suppose that metformin decreases the incidence of diabetes in this group of patients. Metformin is superior to oral contraceptives/antiandrogens in respect of its effect on triglyceride level and insulin sensitivity, however, it is less effective in decreasing androgen levels, normalisation of the menstrual cycle and supposedly in the prevention of endometrial cancer. Metformin therapy improves fertility, however, when infertility is the main problem, it is not indicated as the primary treatment. In this case, ovulation induction, ovary drilling, as well as in vitro fertilization are warranted that can be supported by metformin therapy is some cases.]

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[Vigilance for Drug Safety: the SCOPE Project – An Interview with Mick Foy, Pharmacovigilance Working Group Leader of the British Medicines Authority (MHRA) ]

CZIGLÉNYI Boglárka

Lege Artis Medicinae

[The impact of telemedicine on the development of doctor-patient relationship based on interviews conducted among physicians]

BÁN Attila

[Introduction - The doctor-patient relationship has always been an essential part of health care, however, in parallel with the integration infocommunication technologies in health care the doctor-patient communication is also transforming. Therefore, the aim of the study is to examine the effect of telemedicine on this relationship. Methods - During the study, we applied qualitative research methods and a total number of 58 semi-structured interviews (45 men, 13 women) were conducted among physicians having experience in telemedicine. The majority of the interviewees were radiologist, general practitioners, and internists. The interview questions concerned that what characterises the doctor-patient relationship in telemedicine. Results - The interviews pointed out that in teleradiology the doctor-patient relationship depersonalises and almost terminates. In this respect, the problem is often the incomplete clinical information about the patient. In turn, telemonitoring can bring a quality change in the doctor-patient communication and through remote contact the patients’ satisfaction, the sense of security, and the doctor-patient relationship will be further enhanced. Conclusions - In accordance with the academic literature - based on the research results - there is no clear evidence that telemedicine would affect doctor-patient communication only positively or only negatively. In some areas of telemedicine, this relationship is reducing (e.g. teleradiology) while in other areas it could be fur-ther strengthened (e.g. telemonitoring).]

Clinical Neuroscience

[The complex intensive care and rehabilitation of a quadriplegic patient using a diaphragm pacemaker]

FODOR Gábor, GARTNER Béla, KECSKÉS Gabriella

[A 21 year female polytraumatized patient was admitted to our unit after a serious motorbike accident. We carried out CT imaging, which confirmed the fracture of the C-II vertebra and compression of spinal cord. Futhermore, the diagnostic investigations detected the compound and comminuted fracture of the left humerus and femur; the sacrum and the pubic bones were broken as well. After the stabilization of the cervical vertebra, a tracheotomy and the fixation of her limbs were performed. She spent 1.5 years in our unit. Meanwhile we tried to fix all the medical problems related to tetraplegia and respiratory insufficiency. As part of this process she underwent an electrophysiological examination in Uppsala (Sweden) and a diaphragm pacemaker was implanted. Our main goal was to reach the fully available quality of life. It is worth making this case familiar in a wider range of public as it could be an excellent example for the close collaboration of medical and non-medical fields.]

Clinical Oncology

[Liquid biopsy in clinical oncology – fine-tuning precision medicine]

PRISKIN Katalin, PINTÉR Lajos, JAKSA Gábor, PÓLYA Sára, KAHÁN Zsuzsa, SÜKÖSD Farkas, HARACSKA Lajos

[The classical method of genetically characterising a tumour requires tissue biopsy with which a small sample is removed from the affected organ. This sample represents the tumour in the further analyses. However, the localised nature of sample collection limits representative characterisation. The so-called circulating tumour DNA, isolated from blood plasma after a simple sample collection, potentially enables the oncological analysis of all tumour tissues carrying genetic alterations that can be identifi ed as markers. In order to maximally exploit the potentials of circulating tumour DNA, we must adjust the analytical tools to its specifi c features. The preanalytical handling and storage of the sample signifi cantly infl uences its further usability. In order to be able to detect a potential mutation in a mostly wild-type background, the development of new, specifi c methods is needed, most of which are based on next-generation sequencing techniques. In the past decades, the pronounced decrease in the costs of such techniques led to an accumulation of an immense amount of genetic information on tumorigenesis. Due to the development of sequencing technologies, the turnaround times of tests also decreased enabling their employment in routine care besides research. Starting from our research, this can be realised via three approaches: technological development, the implementation of our already existing diagnostic methods in liquid biopsy, and the construction of well-planned disease-specifi c gene panels. Based on international trends and our experience in serum diagnostics, we are certain that liquid biopsy will become a central pillar of oncological screening and precision oncology in the near future.]

Clinical Neuroscience

[HIV infection and neurology - long term follow-up of HIV infected children]

KOLLÁR Katalin, JELENIK Zsuzsanna, HEGELSBERGER Edit

[Objectives - Before the widespread introduction of combined antiretroviral therapy (1995) complications from HIV and AIDS in the central nervous system had been reported in larger proportion in infants and children than in adults: 80-90% versus 60-70%. Particular clinical manifestations tend to occur at different stages during the evolution of HIV infection. The authors review the neurological aspects of HIV infection. Method - First, a summary of the protocol of the neurological examinations and related experience is given. Then authors present the evaluation of neuro-psychological development, prevalence of neurological impairment and neuro-imaging of nine HIV infected children (seven boys, two girls) for the period of ten years (1991-2001). Three/ten children had vertically transmitted HIV, six/nine were infected by a nosocomial route in their early childhood. Children were regularly followed up from the diagnosis of HIV. The median follow up time has been 79 month (range: 18-144 month). Four patients died during the study period. The neurological status, the motor and mental development were examined at three month intervals or monthly under one year of age. EEG was performed every six month and CT/MRI once a year. All patients received combined antiretroviral treatment and immunglobulin therapy continuously. Results - Three/nine children have normal development, one/nine has hyperactive and attention deficit disorder with normal IQ range, two/nine have slight, one/nine moderate and two/nine serious mental retardation. Mild neurological signs were found in two children, various moderate and serious neuro/psychological symptoms were found in four patients, one of them was treated with benign epilepsy too. There was also close correlation between the clinical symptoms and the results of EEG examination (diffuse background slowing) and results of neuroimaging studies (cortical atrophy, calcification of the basal ganglia, toxoplasma abscesses). According to the results of different examinations three/nine children were found to be symptom-free, one/nine case showed the static form, two/nine patients showed the plateau form, two/nine the rapid progressive form and one/nine the progressive infantile form of AIDS encephalopathy. The majority of the patients suffered from adapting problems and difficulties of socialisation since their families lives were damaged by isolation and rejection from the community. Conclusion - The regular neurological and psychological examinations completed with EEG, CT/MRI were very informative to follow the course of neuro-psychological problems of HIV infected children. Symptom-free patients have to face psychosocial problems too, which cause much more damage in their mental progress than HIV itself.]