Lege Artis Medicinae

[Multifocal nodular hepatic steatosis]

BAJOR Judit

JULY 14, 2008

Lege Artis Medicinae - 2008;18(06-07)

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Lege Artis Medicinae

[METEOR (Measuring Effects on intima-media Thickness: an Evaluation Of Rosuvastatin)]

MATOS Lajos

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[Knowledge Kept Up-to-Date]

dr. ECKHARDT Sándor

Lege Artis Medicinae

[LATE EFFECTS OF TREATMENT FOR DECREASING CARDIOVASCULAR RISK “CARDIOMETABOLIC THERAPEUTIC MEMORY” - A HYPOTHESIS]

JERMENDY György

[In several randomised, controlled clinical studies conducted to decrease cardiovascular morbidity and mortality, there was long-term observational follow-up after the termination of the double-blind phase. There is evidence that the beneficial effect of the therapeutic intervention in the active study phase was maintained in the follow-up period. This phenomenon was observed both for life-style modification and for pharmacological intervention, including the use of ACE-inhibitors, statins, fibrates and intensive insulin treatment. This fact suggests the possibility that even after several years, the body “remembers” the beneficial effects of the cardiovascular risk reduction achieved years earlier. The phenomenon may be called “cardiometabolic therapeutic memory”.]

Lege Artis Medicinae

[“I Want Magic!” A Discussion with Dóra Elek, Director of the Baltazár Theatrical Group]

GYIMESI Ágnes

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[Polycystic ovary syndrome – in 2008]

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[Magnetic resonance measuring and analitic methods in epilepsy]

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[Neuroradiology and magnetic resonance imaging (MRI) as its leading tool play a basic role in the diagnostics of epilepsy. The result of the MRI examination is of utmost importance in patients with therapy resistent focal epilepsy possibly requiring neurosurgical intervention. Based on the continuously developing MRI techniques, we can use an optimal imaging protocol. Cerebral structures can be evaluated on a microanatomical level on high-resolution images with thin slices. The three-dimensional (3D) sequence has high spatial resolution, properly distinguishes cerebral grey and white matter, provides the possibility of surface rendering and volumetry, as well as an anatomical basis for other methods like tractography, functional MRI and neuronavigation. Diffusion weighted and diffusion tensor imaging (DWI, DTI) and tractography has an important role in differential diagnostics and tractography visualizes the main white matter tracts and their relation with brain pathologies. MR perfusion (MRP) provides help in differential diagnostics and may have a future role in the determination of the epileptogenic focus in multifocal pathologies. MR spectroscopy (MRS) is important in differential diagnostics, lateralization of focal epilepsy and in the confirmation of hippocampal sclerosis. Several of these methods need special hardware, software and expertise, but the basic MRI protocol for epilepsy can be implemented in all modern MR scanners of middle or high field strength.]

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[Rifaximin-α: More than antibiotic ]

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Clinical Neuroscience

[THE USE OF INTRAVENOUS IMMUNGLOBULIN IN THE TREATMENT OF AUTOIMMUNE NEUROMUSCULAR DISEASES]

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[Intravenous immunglobulin given in autoimmune neuromuscular disorders modulates the immune system by complex actions, including, 1. the modification of the expression and function of Fc receptors, 2. interference with the activation of the complement and the cytokine network, 3. neutralisation of antiidiotypic antibodies, 4. effects on the activation, differentiation and effector functions of the T and B cells. Controlled trials have shown that intravenous immunglobulin is effective as first-line therapy in patients with Guillain-Barré syndrome and multifocal motor neuropathy. In case of steroid resistance or coexisting diabetes mellitus, intravenous immunglobulin can be the first line therapy in chronic inflammatory demyelinating polyneuropathy as well. As an alternative therapy it can be a second-line choice in dermatomyositis, myasthenia gravis, Lambert-Eaton myasthenic syndrome, and stiff person syndrome. While it has a remarkably good safety record for long term administration the following side effects have been observed: headache, skin rash, thromboembolic events and renal tubular necrosis. In some disorders, the appropriate dose and frequency of infusions that maintain a satisfactory therapeutic response is well defined on the basis of data of evidencebased medicine, whereas in others it still remains to be defined. For the analysis of pharmacoeconomical aspects and the mechanism(s) of response differences in the same disease categories, further studies are necessary.]

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[Epidemilogy of hepatitis C virus and possibilities of transmission]

HAGYMÁSI Krisztina, LENGYEL Gabriella

[The medical impact of hepatitis C (HCV) is significant worldwide. The main consequences are chronic hepatic injury, cirrhosis, and hepatocellular carcinoma formation. The estimated global prevalence is 3% with 180 million infected people worldwide. The prevalence <1% in Hungary. The prevalence increased between 1990 and 2005 in East Asia, Western Europe, and West sub-Saharan Africa. There is characteristic geographical distribution of the main HCV genotypes. The mode of transmission can not be identified of 40% of cases. The most frequent transmission is the intravénás drug injection in the developed countries, and unsafe health procedures in developing countries. The sensitive, nucleic acid amplification testing, identification of high-risk groups, development of vaccination would help the HCV prevalence in the future. ]

Ca&Bone

[Disturbance of bone development in experimental hepatic cirrhosis in growing rats]

FERENCZ Viktória és munkatársai

[INTRODUCTION -The pathomechanism of hepatic osteopathy is not fully understood.We investigated how bone parameters change in growing rats with experimentally induced fatty liver, liver cirrhosis and hepatocellular carcinoma. METHODS - Liver disease was induced by administration of CCl4 and phenobarbital (PB) following a single injection of diethylnitrosamine (DEN) in 55 Fischer 344 rats.Animals were sacrificed and their femur removed at week 8 or 16. Bone mineral content (BMC), femoral length, cortical index (ratio of cortical thickness and total diameter at the diaphysis) and ultimate bending load (Fmax) of femora were determined. Results of animals treated with DEN+PB+CCl4 (group DPC, n=21) were compared to untreated animals (n=14) and to a second control group treated only with DEN+PB (group DP, n=20). RESULTS - Fatty liver and cirrhosis developed in each animal in the DPC group (n=21) at week 8 and in a subgroup of these animals (n=11) hepatocellular carcinoma also appeared by week 16. No changes in bone parameters were observed in this group at week 8, but lower BMD, femoral length, cortical index and Fmax values were found at week 16 compared to the untreated controls or to the DP group (p<0.05 for both). In the DP group no fatty liver or cirrhosis was observed at any time. Femoral length and Fmax values were higher in the DP group at week 8 compared to the untreated controls (p<0.05 for both).At week 16, however, no difference could be detected. CONCLUSION - Experimentally induced liver cirrhosis and hepatocellular carcinoma are associated with growth inhibition and reduced bone mineral content, cortical index and mechanical resistance in growing rats.]