Lege Artis Medicinae

[International trials of immunogenicity of H1N1 vaccines]

CSÁSZÁR Albert

OCTOBER 20, 2010

Lege Artis Medicinae - 2010;20(10)

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Further articles in this publication

Lege Artis Medicinae

[Disorders of despair]

BÁNFALVI Attila

Lege Artis Medicinae

[Connection between fetal development and adult diseases - Long acting effects of stress affecting the mother and the fetus]

MOLNÁR Ildikó

[The stress responses affecting the mother and the fetus have a life-long consequence in the manifestation of adult metabolic disorders. The perinatal stress inducing fetal adaptation contributes to alterations in tissue structures and hormone regulations as well as could lead to intrauterine growth retardation. The newborns with low birth weight are associated with the glucocorticoid, adrenaline and insulin resistance making them postnatal susceptible to obesity, diabetes type 2 and hypertonia. The number of newborns with low birth weight increase, therefore the prevention of adult diseases originating from perinatal misprogramming represents a frequent challenge for health services and society.]

Lege Artis Medicinae

[Successful localization of an insulinoma with angiography]

BAKÓ Barnabás, LÁZÁR István, TARKÓ Erzsébet, OROSZ Péter

Lege Artis Medicinae

[Carvedilol and its antioxidant effect]

KOVÁCS Imre

[Carvedilol, the typical basic variant of the third generation beta blocker drugs is a complex adrenergic blocker that also has Ca channel blocking effects. It has no effect of the metabolism and has a pregnant antioxidant effect that is significant for cardiac and hypertension target organ protection. Its beneficial effect on cardiac decompensation, on target organ protection in patients with hypertension and on primary and secondary prevention of ischemic heart disease is proven by clinical studies. The effect of free radicals trapping - not shown by the majority of beta blockers - plays a major role in these beneficial effects. Inflammatory factors and free radicals (ROS) play a central role in cardiovascular diseases and can be regarded as prognostic markers of vascular damage. Elevated levels of glucose, lipids, or elevated intraluminal pressure triggers the production of various free radicals. The anti-inflammatory effect of carvedilol results out of its antioxidant (scavenger) and ROS suppressive effects. Besides its complex adrenergic blocking effect, this ability of carvedilol gives a molecular explanation for its efficiency proven by clinical trials.]

Lege Artis Medicinae

[A new DPP-IV inhibitor: saxagliptin]

KIS János Tibor, MÉSZÁROS Gabriella

[Saxagliptin is a selective, potent inhibitor of dipeptidyl peptidase-IV (DPP-IV). By inhibiting DPP-IV, saxagliptin reduces the degradation of endogenous incretin hormones, resulting in increased glucose-dependent insulin and decreased glucagon secretion from the pancreas islets. Clinical trials of saxagliptin as monotherapy and as combination therapy with other oral antidiabetic medications including metformin, glibenclamide, glipizide, pioglitazone and rosiglitazone have demonstrated clinical benefits in different glycaemic endpoints. Due to its glucose- dependent mechanism of action, saxagliptin as monotherapy or in combination with metformin results in a very low risk for hypoglycemia. It has also been shown to be generally well-tolerated, with not having any relevant effect on weight. The authors summarize the most important saxagliptin trials.]

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[Thiazide- or thiazide-like diuretics should be used in the treatment of patients with hypertension? Particularities of the situation in Hungary]

VÁLYI Péter

[Diuretics have remained the cornerstone of the antihypertensive treatment since their widespreading in the 1960s. According to the 2018 ESC/ESH Guidelines for the management of arterial hypertension, in the absence of evidence from direct comparator trials and recognizing that many of the approved single-pill combinations are based on hydrochlorothiazide, this drug and thiazide-like indapamide can be considered suitable antihypertensive agents. In the 2018 Hungarian guidelines indapamide is named as the most efficacious diuretic in the treatment of patients with hypertension. The aim of the publication is redefining thiazide- and thiazide-like diuretic use in the treatment of hypertensive patients, with particular attention to presently available hydrochlorothia­zide and indapamide, and their combination drugs in Hungary.]

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[Focus on Lege Artis Medicinae (LAM)]

VASAS Lívia, GEGES József

[Three decades ago, LAM was launched with the goal of providing scientific information about medicine and its frontiers. From the very beginning, LAM has also concerned a special subject area while connecting medicine with the world of art. In the palette of medical articles, it remained a special feature to this day. The analysis of the history of LAM to date was performed using internationally accepted publication guidelines and scientific databases as a pledge of objectivity. We examined the practice of LAM if it meets the main criteria, the professional expectations of our days, when publishing contents of the traditional printed edition and its electronic version. We explored the visibility of articles in the largest bibliographic and scientific metric databases, and reviewed the LAM's place among the Hun­ga­rian professional journals. Our results show that in recent years LAM has gained international reputation des­pite publishing in Hungarian spoken by a few people. This is due to articles with foreign co-authors as well as references to LAM in articles written exclusively by foreign researchers. The journal is of course full readable in the Hungarian bibliographic databases, and its popularity is among the leading ones. The great virtue of the journal is the wide spectrum of the authors' affiliation, with which they cover almost completely the Hungarian health care institutional sys­tem. The special feature of its columns is enhanced by the publication of writings on art, which may increase Hungarian and foreign interest like that of medical articles.]

Clinical Neuroscience

[Family planning in multiple sclerosis: conception, pregnancy, breastfeeding]

RÓZSA Csilla

[Family planning is an exceptionally important question in multiple sclerosis, as women of childbearing age are the ones most often affected. Although it is proven that pregnancy does not worsen the long-term prognosis of relapsing-remitting multiple sclerosis, many patients are still doubtful about having children. This question is further complicated by the fact that patients – and often even doctors – are not sufficiently informed about how the ever-increasing number of available disease-modifying treatments affect pregnancies. Breastfeeding is an even less clear topic. Patients usually look to their neurologists first for answers concerning these matters. It falls to the neurologist to rationally evaluate the risks and benefits of contraception, pregnancy, assisted reproduction, childbirth, breastfeeding and disease modifying treatments, to inform patients about these, and then together come to a decision about the best possible therapeutic approach, taking the patients’ individual family plans into consideration. Here we present a review of relevant literature adhering to international guidelines on the topics of conception, pregnancy and breastfeeding, with a special focus on the applicability of approved disease modifying treatments during pregnancy and breastfeeding. The goal of this article is to provide clinicians involved in the care of MS patients with up-to-date information that they can utilize in their day-to-day clinical practice. ]

Clinical Neuroscience

[MR imaging of acute disseminated encephalomyelitis and multiple sclerosis in children. A review (in English language)]

PATAY Zoltán

[Inflammatory diseases of the central nervous system (CNS) are relatively rare in children, but their relevance to public health is considerable due to frequent and significant long term morbidity and even mortality. As in adults, acute disseminated encephalomyelitis (ADEM) and multiple sclerosis (MS) and their variants are the most common entities in this group of pathologies in the pediatric patient population. Recent efforts have focused on establishing standardized diagnostic criteria schemes to facilitate the diagnosis and differential diagnosis of these diseases, however especially with multiple sclerosis those have not been fully validated yet for disease occurring in children. In recent decades the role of MRI has been constantly increasing in the diagnostic work-up of suspected inflammatory diseases of the CNS as well as in the follow-up of patients with confirmed disease. Currently, MRI is the first-line diagnostic imaging modality in ADEM and MS and is fully integrated in the most widely used diagnostic criteria schemes, but it has a key role in clinical therapeutic research trials as well. This paper provides an update on the current concepts and strategies of MRI in inflammatory diseases of the CNS, as well as a review of the imaging semiology of the various disease entities and variants with emphasis on clinical and imaging particularities relevant to the pediatric patient population.]

Clinical Neuroscience

[Zonisamide: one of the first-line antiepileptic drugs in focal epilepsy ]

JANSZKY József, HORVÁTH Réka, KOMOLY Sámuel

[Chronic administration of antiepileptic drugs without history of unprovoked epileptic seizures are not recommended for epilepsy prophylaxis. Conversely, if the patient suffered the first unprovoked seizure, then the presence of epileptiform discharges on the EEG, focal neurological signs, and the presence of epileptogenic lesion on the MRI are risk factors for a second seizure (such as for the development of epilepsy). Without these risk factors, the chance of a second seizure is about 25-30%, while the presence of these risk factors (for example signs of previous stroke, neurotrauma, or encephalitis on the MRI) can predict >70% seizure recurrence. Thus the International League Against Epilepsy (ILAE) re-defined the term ’epilepsy’ which can be diagnosed even after the first seizure, if the risk of seizure recurrence is high. According to this definition, we can start antiepileptic drug therapy after a single unprovoked seizure. There are four antiepileptic drugs which has the highest evidence (level „A”) as first-line initial monotherapy for treating newly diagnosed epilepsy. These are: carbamazepine, phenytoin, levetiracetam, and zonisamide (ZNS). The present review focuses on the ZNS. Beacuse ZNS can be administrated once a day, it is an optimal drug for maintaining patient’s compliance and for those patients who have a high risk for developing a non-compliance (for example teenagers and young adults). Due to the low interaction potential, ZNS treatment is safe and effective in treating epilepsy of elderly people. ZNS is an ideal drug in epilepsy accompanied by obesity, because ZNS has a weight loss effect, especially in obese patients.]