Lege Artis Medicinae

[In the Shadows of Great People An Interview with Árpád Szállási by Elemér Nemesánszky]

GYIMESI Andrea

OCTOBER 21, 2007

Lege Artis Medicinae - 2007;17(10)

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Lege Artis Medicinae

[MOLECULAR DIAGNOSTICS OF EPIDERMAL GROWTH FACTOR RECEPTOR IN NON-SMALL CELL LUNG CANCER]

TÍMÁR József, OSTOROS Gyula

[One of the most useful markers of non-small cell lung cancer is epidermal growth factor receptor (EGFR) protein expression. Recently it was found that the EGFR gene may be amplified or mutated in non-small cell lung cancer rendering this gene product an ideal target for therapy. The introduction of molecularly targeted therapy into the clinical practice represents a milestone in the management of non-small cell lung cancer. However, our knowledge on the prognostic and predictive factors that will define the efficiency of anti-EGFR therapy is limited. In clinical practice, some common patient and disease features (e. g., smoking habit, gender, histological type) are still more dependable predictors than the fine molecular properties that may directly affect therapeutic response. The indication of anti-EGFR therapy in Hungary is based on the immunohistochemical detection of the EGFR protein, therefore, it is important that these tests are performed as reliably as possible. On the other hand, mutations in the EGFR gene may render the tumour resistant or, in contrary, especially sensitive to EGFR inhibitor therapy. The sequence of the diagnostic steps to define the genotype and phenotype of non-small cell lung cancer has a great importance in terms of cost-efficiency of the therapy.]

Lege Artis Medicinae

[Secondary prevention of patients with ischaemic heart disease - The reduction of LDL cholesterol level and the regression of atherosclerosis]

BÁRCZI György, MERKELY Béla

[The authors review the options of secondary medical prevention in patients with ischaemic heart disease, stressing the need and safety of using statins. The beneficial effect of statin therapy on cardiovascular morbidity and mortality and the clinical benefit of the greatest possible reduction in LDL cholesterol level are presented. The atherosclerotic plaque regression achieved by a high-intensity statin therapy in the ASTEROID trial is also briefly reviewed.]

Lege Artis Medicinae

[RENAL ANAEMIA AND CURRENT ISSUES ON ERYTHROPOIETIN THERAPY]

ZAKAR Gábor

[Recombinant human erythropoietin has been used for more than 20 years for the treatment of renal anaemia, with epoetin-alfa and -beta representing the common traditional preparations. By the modification of the molecule’s carbohydrate moiety or structure a longer duration of erythropoietin receptor stimulation was achieved. The administration of these new molecules (darbepoetin, C.E.R.A.) once or twice a month is also sufficient to achieve serum haemoglobin target levels, making the treatment safer and more comfortable both for the patients and the personnel. These recently developed synthetic erythropoietin receptor stimulating molecules, along with recombinant human erythropoietin, are together called “Erythropoiesis Stimulating Agents”. In haemodialysed patients the intravenous route is preferred, but the subcutaneous administration can substantially reduce dose requirements. In praedialysed, transplanted or peritoneally dialysed patients, erythropoiesis stimulating agents should preferably be given subcutaneously both for economic and practical reasons. There are ongoing clinical trials with erythropoiesis stimulating molecules that can be administered by inhalation or per os. Current evidence suggests that the serum haemoglobin level should preferably not exceed 12 g/dl with the use of erythropoiesis stimulating agents. No cardiovascular protective effect of higher serum haemoglobin levels was demonstrated in two large clinical trials. Further well-designed studies are necessary to set evidence-based haemoglobin targets for erythropoiesis stimulating treatment. Arguments for a more widespread use of agents with extended duration include medical, financial and patient satisfaction reasons. The release of new erythropoiesis stimulating agents may further simplify the treatment of renal anaemia.]

Lege Artis Medicinae

[NEW WAYS IN THE MANAGEMENT OF RHEUMATOID ARTHRITIS IN HUNGARY]

GERGELY Péter, POÓR Gyula

[Rheumatoid arthritis is an autoimmune rheumatic condition of unknown origin. Due to its high prevalence, incompletely solved therapy, significant impact on mortality and morbidity, and the psychological and economic burden it puts on the patient, family and society, rheumatoid arthritis has a major public health significance. Although its importance is still underestimated both by the public and the medical community, today an improving tendency can be observed. The past decade has seen important breakthroughs in terms of increased recognition of the significance of the disease, as well as in its pathogenesis, diagnosis and therapy. The introduction of new diagnostic and prognostic markers and early aggressive treatment, the establishment of early arthritis clinics, and, most importantly, the successful use of biological therapy have revolutionized the management of rheumatoid arthritis. The paper reviews the modern therapy of the disease, touching on the options available in Hungary.]

Lege Artis Medicinae

[Soul Medicine and Ethics József Kovács: Bioethical Issues in Psychiatry and Psychotherapy]

BÁNFALVI Attila

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Related contents

Clinical Neuroscience

[What happens to vertiginous population after emission from the Emergency Department?]

MAIHOUB Stefani, MOLNÁR András, CSIKÓS András, KANIZSAI Péter, TAMÁS László, SZIRMAI Ágnes

[Background – Dizziness is one of the most frequent complaints when a patient is searching for medical care and resolution. This can be a problematic presentation in the emergency department, both from a diagnostic and a management standpoint. Purpose – The aim of our study is to clarify what happens to patients after leaving the emergency department. Methods – 879 patients were examined at the Semmel­weis University Emergency Department with vertigo and dizziness. We sent a questionnaire to these patients and we had 308 completed papers back (110 male, 198 female patients, mean age 61.8 ± 12.31 SD), which we further analyzed. Results – Based on the emergency department diagnosis we had the following results: central vestibular lesion (n = 71), dizziness or giddiness (n = 64) and BPPV (n = 51) were among the most frequent diagnosis. Clarification of the final post-examination diagnosis took several days (28.8%), and weeks (24.2%). It was also noticed that 24.02% of this population never received a proper diagnosis. Among the population only 80 patients (25.8%) got proper diagnosis of their complaints, which was supported by qualitative statistical analysis (Cohen Kappa test) result (κ = 0.560). Discussion – The correlation between our emergency department diagnosis and final diagnosis given to patients is low, a phenomenon that is also observable in other countries. Therefore, patient follow-up is an important issue, including the importance of neurotology and possibly neurological examination. Conclusion – Emergency diagnosis of vertigo is a great challenge, but despite of difficulties the targeted and quick case history and exact examination can evaluate the central or peripheral cause of the balance disorder. Therefore, to prevent declination of the quality of life the importance of further investigation is high.]

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.]

Lege Artis Medicinae

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

CZIGLÉNYI Boglárka

Clinical Neuroscience

The prevalence of sarcopenia and dynapenia according to stage among Alzheimer-type dementia patients

YAZAR Tamer, YAZAR Olgun Hülya

Aim - In this study, the aim was to identify the prevalence of sarcopenia and dynapenia according to disease stage among Alzheimer-type dementia (AD) patients and collect data to suggest precautions related to reducing the disease load. Method - The study was completed with 127 patients separated into stages according to Clinical Dementia Rating Scale (CDR) criteria and 279 healthy volunteers aged 18-39 years and 70-80 years abiding by the exclusion criteria who agreed to participate in the research. Our prospective and cross-sectional study applied the CDR and mini mental test (MMSE) to patients with disorder in more than one cognitive area and possible AD diagnosis according to NINCDS-ADRDA (National Institute of Neurological and Communicative Disorders and Stroke-Alzheimer’s Disease and Related Disorders Association) diagnostic criteria. The patient and control groups had skeletal muscle mass index (SMMI), muscle strength and physical performance assessed with sarcopenia diagnosis according to European Working Group on Sarcopenia in Older People (EWGSOP) diagnostic criteria. Results - In our study, in parallel with the increase in disease stage of AD patients, the prevalence of sarcopenia (led by severe sarcopenia) and dynapenia was higher compared to a control group of similar age. Conclusion - In chronic, progressive diseases, like AD, identification of changes in parameters, like muscle mass and strength and reductions in physical performance in the early period, is important for identification and to take precautions in the initial stages considering the limitations of the preventive effects of treatment applied after diagnosis of AD.

Clinical Neuroscience

[Decisional collisions between evidence and experience based medicine in care of people with epilepsy]

RAJNA Péter

[Background – Based on the literature and his long-term clinical practice the author stresses the main collisions of evidence and experience based medicine in the care of people with epilepsy. Purpose – To see, what are the professional decisions of high responsibility in the epilepsy-care, in whose the relevant clinical research is still lacking or does not give a satisfactory basis. Methods – Following the structure of the Hungarian Guideline the author points the critical situations and decisions. He explains also the causes of the dilemmas: the lack or uncertainty of evidences or the difficulty of scientific investigation of the situation. Results – There are some priorities of experience based medicine in the following areas: definition of epilepsy, classification of seizures, etiology – including genetic background –, role of precipitating and provoking factors. These are able to influence the complex diagnosis. In the pharmacotherapy the choice of the first drug and the optimal algorithm as well as the tasks during the care are also depends on personal experiences sometimes contradictory to the official recommendations. Same can occur in the choice of the non-pharmacological treatments and rehabilitation. Discussion and conclusion – Personal professional experiences (and interests of patients) must be obligatory accessories of evidence based attitude, but for achieving the optimal results, in some situations they replace the official recommendations. Therefore it is very important that the problematic patients do meet experts having necessary experiences and also professional responsibility to help in these decisions. ]