Lege Artis Medicinae

[“Overall, I Feel Best while at the Operating Theater” A Discussion with Gusztáv Gulyás MD]

FERENCZI Andrea

JULY 14, 2007

Lege Artis Medicinae - 2007;17(06-07)

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Lege Artis Medicinae

[NON-PHARMACOLOGICAL TREATMENT OF CHRONIC HEART FAILURE]

MERKELY Béla, RÓKA Attila

[Heart failure has a poor prognosis despite the advances in pharmacological treatment. The utilization of non-pharmacological treatment with appropriate indications significantly improves the quality of life and life expectancy of these patients. Cardiac resynchronization therapy with biventricular pacemaker has a clinically proven efficacy in the treatment of heart failure associated with intraventricular dyssynchrony. Implantable cardioverter- defibrillators decrease the mortality from sudden cardiac death. Heart transplantation is needed in cases refractory to therapy. There are several other non-pharmacological treatment approaches, including mechanical circulatory assist devices, total artificial heart and ultrafiltration, whose routine application is not recommended due to limited clinical experience, but the initial results are promising.]

Lege Artis Medicinae

[Lorenzo da Ponte The Librettist of Mozart]

dr. KÖVES Péter

Lege Artis Medicinae

[Coalition pathology]

FRENKL Róbert

Lege Artis Medicinae

[THE USE OF DIURETICS AND ALDOSTERONE RECEPTOR ANTAGONISTS IN CHRONIC HEART FAILURE]

NYOLCZAS Noémi

[Diuretics are an integral part of the management of chronic heart failure. Although there are no large, randomized, placebo-controlled, multicentric studies available to show that loop- and thiazid diuretics improve survival, the efficacy of these drugs in relieving heart failure symptoms and fluid retention is indisputable. The third class of diuretics used in heart failure is aldosterone antagonists, whose beneficial effects on mortality and morbidity were demonstrated in the RALES and EPHESUS trials. In this paper, the effects and side effects of the various diuretics, as well as the indications and recommendations on their use are reviewed. New options in diuretic treatment, including adenosine receptor blockers, vasopressin antagonists, atrial natriuretic peptide analogues and ultrafiltration are also presented.]

Lege Artis Medicinae

[THE USE OF BETA RECEPTOR BLOCKERS IN CHRONIC HEART FAILURE]

CZURIGA István

[The beneficial effects of treatment with betablockers in patients with chronic heart failure have been demonstrated in several large, prospective, randomised, placebo-controlled clinical trials. In large trials with mortality as the endpoint, the long-term use of bisoprolol, carvedilol, nevibolol and metoprolol succinate have been associated with a reduction in total mortality, cardiovascular mortality, sudden cardiac death and death due to progression of heart failure in patients of functional classes II-IV. These favorable clinical experiences warrant a recommendation that beta-blockers should be used in all haemodynamically stable heart failure patients with reduced left ventricular systolic function who are on standard treatment, unless contraindicated. In this review, the most important data of clinical trials and practical considerations of therapy with beta-blockers in heart failure are summarized.]

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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.]

Clinical Neuroscience

[Clinical neurophysiological methods in diagnosis and treatment of cerebrovascular diseases]

NAGY Ildikó, FABÓ Dániel

[Neurophysiological methods are gaining ground in the diagnosis and therapy of cerebrovascular disease. While the role of the EEG (electroencephalography) in the diagnosis of post-stroke epilepsy is constant, quantitative EEG para-meters, as new indicators of early efficiency after thrombolysis or in prognosis of patient’s condition have proved their effectiveness in several clinical studies. In intensive care units, continuous EEG monitoring of critically ill patients became part of neurointenzive care protocols. SSEP (somatosesnsory evoked potencial) and EEG performed during carotid endarterectomy, are early indicative intraoperativ neuromonitoring methods of poor outcome. Neurorehabilitation is a newly discovered area of neurophysiology. Clinical studies have demonstrated the effectiveness of repetitive transcranial magnetic stimulation (rTMS) in the rehabilitation of stroke patients. Brain computer interface mark the onset of modern rehabi-litation, where the function deficit is replaced by robotic tehnology. ]

Clinical Neuroscience

Isolated hypoglossal nerve palsy due to a jugular foramen schwannoma

ÖZTOP-CAKMAK Özgür, VANLI-YAVUZ Ebru, AYGÜN Serhat, BASTAN Birgül, EGEMEN Emrah, SOLAROGLU Ihsan, GURSOY-OZDEMIR Yesemin

Introduction – Although the involvement of the hypoglossal nerve together with other cranial nerves is common in several pathological conditions of the brain, particularly the brainstem, isolated hypoglossal nerve palsy is a rare condition and a diagnostic challenge. Case presentation – The presented patient arrived to the hospital with a history of slurred speech and an uncomfortable sensation on his tongue. Neurological examination showed left-sided hemiatrophy of the tongue with fasciculations and deviation towards the left side during protrusion. Based on the clinical and MRI findings, a diagnosis of hypoglossal nerve schwannoma was made. Discussion – Hypoglossal nerve palsy may arise from multiple causes such as trauma, infections, neoplasms, and endocrine, autoimmune and vascular pathologies. In our case, the isolated involvement of the hypoglossal nerve was at the skull base segment, where the damage to the hypoglossal nerve may occur mostly due to metastasis, nasopharyngeal carcinomas, nerve sheath tumors and glomus tumors. Conclusion – Because of the complexity of the region’s anatomy, the patient diagnosed with hypoglossal nerve schwannoma was referred for gamma knife radiosurgery.

Hypertension and nephrology

[Is there a connection between neuropathy and hypertension?]

ISTENES Ildikó, KERESZTES Katalin, KEMPLER Péter

[Neuropathy is usually not an independent entity, its symptoms usually occur as part of other underlying diseases. Diabetes, chronic alcoholism, chronic liver diseases and chronic kidney diseases belong to the most important pathogenetic factors of neuropathy. It is less well known that neural damage may occur among patients with hypertension as well. Autonomic and sensory nerve dysfunction are considered as progressive forms of neuropathy. Both of them are associated with poor prognosis while quality of life is also significantly impaired among these patients. Key clinical characteristics of sensory and autonomic neuropathy are reviewed. There is a relationship between autonomic neuropathy and hypertension in patients with diabetes. Parasympathetic neuropathy and as a consequence relative sympathetic overactivity seems to have a pathogenetic role in this respect. The prevalence of previously unknown hypertension is doubled in diabetic patients with autonomic neuropathy - ambulatory blood pressure monitoring is suggested to be performed among these patients. The authors provided evidence that autonomic and sensory nerve dysfunctions are frequent complications of essential hypertension as well, which are closely related to traditional cardiovascular risk factors. Their observations may confirm the role of vascular factors in the pathogenesis of neuropathy.]

Lege Artis Medicinae

[THE SAFETY OF TREATMENT WITH PEGYLATED INTERFERON-ALPHA-2A AND RIBAVIRIN IN PATIENTS WITH CHRONIC HEPATITIS C INFECTION, BASED ON HUNGARIAN EXPERIENCE]

WERLING Klára, DALMI Lajos, GERVAIN Judit, HORVÁTH Gábor, NAGY István, NEMESÁNSZKY Elemér, RIBICZEY Pál, TELEGDY László, VARGA Márta, TORNAI István, TULASSAY Zsolt

[INTRODUCTION - Adverse effects of treatment for chronic C virus hepatitis present an important problem both for the patient and the clinician. The reduction of drug doses or the suspension of therapy lessen the likelihood of recovery. PATIENTS, METHODS - Between 2001 and 2004, 66 patients with chronic hepatitis C received 180 μg pegylated interferon-alpha-2a per week and 800-1200 mg ribavirin per day, 6 of whom for 24 weeks and 60 patients for 48 weeks. During treatment, patients were closely followed in order to recognize any adverse effects early. RESULTS - Of the patients treated for 48 weeks, 48.3% developed adverse effects, with changes in the differential in 41.7%, and anaemia, low platelet count, neutropenia in similar rates. Further side effects included cardiac complications, skin symptoms, persisting high fever, autoimmune thyroiditis and liver failure, altogether in 9 cases. Dose reduction or temporary suspension of pegylated interferon-alpha-2a was necessary in 21 cases (31.7%), while complete cessation of this treatment was decided in 7 cases, most of them because of blood count changes. The 1000 to 1200 mg per day ribavirin had to be reduced in 30.8% of patients, while treatment was stopped in 3 cases. Long-term virological remission occurred in 48% of patients who received treatment for 48 weeks, whereas no such result was observed among any of those treated for 24 weeks. CONCLUSION - Adverse effects of variable severity developed in nearly half of the patients with chronic hepatitis C infection who received antiviral treatment for 48 weeks, but treatment had to be stopped in only a small proportion of this group. Early treatment of adverse effects can prevent the need to cease therapy and may improve its efficiency.]