Lege Artis Medicinae

[ENDOTHELIUM PROTECTION IN HYPERTENSIVE PATIENTS]

KÉKES Ede

JULY 20, 2004

Lege Artis Medicinae - 2004;14(07)

[The author presents a review about the fundamental principles of normal endothelial function and the main causes for the development of endothelial dysfunction. First of all, endothelial dysfunction results in structural alterations in the wall of the vessel - the „vascular remodelling” in hypertension - and that is the base of hypertensive microangiopathy and target organ damage. In patients with high blood pressure the reactivity of vessels is impaired by the endothelial dysfunction. The members of the main drug groups can influence the vasoactive factors produced in endothelium differently. This different effects of drugs create different clinical benefits. Especially, the ACE inhibitors, the calcium antagonists (mostly the new generation of dihydropyridines) have endothelial protective effects, but some β-blockers, α-1 adrenergic blockers and - in a totally different way of action - the statins are capable of influencing the endothelial dysfunction.]

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Lege Artis Medicinae

[THE GENETICS OF DIABETES MELLITUS]

KORÁNYI LÁSZLÓ, PÁNCZÉL Pál

[The number of diabetic patients will be doubled in the coming decades reaching 300 million for year 2025. The number of type 1 diabetics will also be increased but the majority of it will result from the increased number of type 2 diabetics. All types of diabetes are the consequence of a combination of genetic susceptibility and environmental factors, meaning that the prevention of diabetes epidemic cannot be done without the clarification of the genetic background. Significant progression has happened in the discovery of the genetic background of type 1 diabetes mellitus. It was helped by the etiologic classification of the disease: with the new classification the patient groups became more homogeneous. The HLA system is responsible for about 50-70% of the genetic risk while the effects of other genetic factors contribute 1-2% of the genetic susceptibility, respectively. Presently 25 gene regions are known as the different genetic factors of type 1 diabetes mellitus. Regarding the HLA system, the genes and pathomechanism causing the disease are not known. The classification of diabetes mellitus can be based on the HLA type while the predictability of type 1 diabetes mellitus is helped by the HLA type and the INS-VNTR. Much less is known about the genetic background of the polygenic type 2 diabetes mellitus. Its manifestation is now happening at younger age before. The best-fit genetic model consists of only a few genes with moderate effect superimposed on a polygenic background. Several „candidate” genes participating in the impaired insulin secretion and insulin action have already been investigated as the genes responsible for type 2 diabetes. These data showed the specificity in the population and most showed mild or modest association with the disease. Genomewide scans have resulted a number of significant diabetes susceptibility genes specific for a variety of populations, but these investigations have only resulted in the isolation of one gene (calpain 10) that is thought to contribute to type 2 diabetes. Most recent genomewide scans found loci on chromosome 20 in two different populations with significant segregation of type 2 diabetes. These loci are near to the region harboring the transcription factor hepatocyte nuclear factor genes. The transcription regulator HNF family is responsible for the regulation of the expression of several genes participating in the function of liver and pancreatic islet becoming a strong candidate for being a diabetes gene.]

Lege Artis Medicinae

[FIRST EXPERIENCES WITH INFLIXIMAB THERAPY IN CROHN’S DISEASE - RESULTS OF A HUNGARIAN MULTICENTRE STUDY]

SALAMON Ágnes, SIMON László, NEMESÁNSZKY Elemér

[INTRODUCTION - In recent years a number of clinical trials have been proved that infliximab, a monoclonal chimeric antibody against tumour necrosis factor (one of the proinflammatory cytokines) is an effective induction and maintenance therapy in severe and fistulizing Crohn’s disease. The authors summarize the results of the first Hungarian, open, multicenter clinical trial with biological treatment of Crohn’s disease. PATIENTS AND METHODS - Overall 74 patients in 9 study-centers were enrolled and allocated into the following two groups: 29 patients (31%) with severe, active, therapy-resistent clinical picture of Crohn’s disease and 45 individuals (61%) showing fistulizing forms of the disease. Infliximab was administered iv. in a dose of 5 mg/kg body mass one single occasion in patients formed the first group and altogether three times in cases suffering of fistulizing form of the disease. RESULTS - In active Crohn cases infliximab exerted its beneficial effect within 4 weeks (58% of patients improved) which was most pronounced at week 8th (79% of the patients was in better condition). However, in cases of fistulizing form longer period is neccessary for developing the effect. In 76% of treated patients proved to be efficacious within 14 weeks but later on flare-ups were observed. Concomittantly administered immunsuppressive agents did not altered the beneficial effect of infliximab. CONCLUSIONS - The results are proving the benefit of infliximab induction therapy both in cases of severe, active or in fistulizing forms of the disease. The article reviews the indication of infliximab treatment and provides a „user’s guide” for practizing clinicians.]

Lege Artis Medicinae

[LATE COMPLICATION OF EXTRANODAL LYMPHOMA FOLLOWING DERMATOMYOSITIS]

VÁNCSA Andrea, PONYI Andrea, CONSTANTIN Tamás, GERGELY Lajos, DANKÓ Katalin

[INTRODUCTION - Intramuscular follicular Bcell lymphoma is a rare entity of malignant lymphomas complicating the disease course of dermato/polymyositis. CASE REPORT - The authors report a female patient who was diagnosed with dermatomyositis in 1963 (age of 36). She was given steroid and hydroxychloroquine therapy. In 1973 she was treated with steroid for Boeck sarcoidosis. In 1999, she was treated for steroid therapy again for reoccurence of dermatomyositis. In 2000, a histological diagnosis of primary intramuscular follicular lymphoma was established from the right thigh region. She was given several courses of polychemotherapy and radiation therapy, but the lymphoma was difficult to control, and she died of progressive disease in 2003. CONCLUSION - It is an interesting case as 37 years elapsed since the diagnosis of dermatomyositis before the lymphoma has started. We could not state a definite relation between the myositis and the lymphoma but the increased frequency of autoimmune diseases is probably due to immune regulatory problems, that have eventually led to the appearance of the rapidly growing indolent lymphoma.]

Lege Artis Medicinae

[Report on the 1st Debrecen Medical Days]

BRÚGÓS Boglárka, JUHÁSZ Mária

Lege Artis Medicinae

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MATOS Lajos

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[Association between cyclothymic affective temperament and hypertension]

NEMCSIK János, BATTA Dóra, KŐRÖSI Beáta, RIHMER Zoltán

[Affective temperaments (cyclothymic, hypertymic, depressive, anxious, irritable) are stable parts of personality and after adolescent only their minor changes are detectable. Their connections with psychopathology is well-described; depressive temperament plays role in major depression, cyclothymic temperament in bipolar II disorder, while hyperthymic temperament in bipolar I disorder. Moreover, scientific data of the last decade suggest, that affective temperaments are also associated with somatic diseases. Cyclothymic temperament is supposed to have the closest connection with hypertension. The prevalence of hypertension is higher parallel with the presence of dominant cyclothymic affective temperament and in this condition the frequency of cardiovascular complications in hypertensive patients was also described to be higher. In chronic hypertensive patients cyclothymic temperament score is positively associated with systolic blood pressure and in women with the earlier development of hypertension. The background of these associations is probably based on the more prevalent presence of common risk factors (smoking, obesity, alcoholism) with more pronounced cyclothymic temperament. The scientific importance of the research of the associations of personality traits including affective temperaments with somatic disorders can help in the identification of higher risk patient subgroups.]

Lege Artis Medicinae

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

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[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.]

LAM Extra for General Practicioners

[HYPERTENSION IN THE ELDERLY - CRITICAL REVIEW OF DIAGNOSTICTHERAPEUTIC GUIDELINES AND THEIR BACKGROUND]

SZÉKÁCS Béla

[In the majority of old and very old hypertensive patients, the reduction of abnormally high blood pressure has been proved to provide a strategic defense of target organs. In patients younger than 80 years, both initial and target blood pressure (BP) values are similar to those of younger age groups. In those older than 80 years, a a systolic blood pressure level >160 mmHg is the threshold of indication for antihypertensive treatment and the therapeutic target value is<150 mmHg. Both values are evidence- based (HYVET). The latest ACCF/AHA guidelines (USA 2011) advise to achieve a BP below 140 mmHg if the use of one or two antihypertensive agents result in sufficient BP reduction. However, this strategy is not yet supported by unequivocal evidence regarding complications in target organs. It is not recommended to aim for target levels lower than the above values (especially the value defined by the ESH guidelines) even in elderly hypertensive patients at high cardiovascular risk, as the results of several studies suggest a J-curve effect. In multimorbid elderly patients it is highly important to adapt antihypertensive treatment to individual needs, rather than to use schematic approaches. The number and progression of comorbid diseases can greatly influence, in certain cases attenuate the aimed BP reduction. A similar medical decision should be made if the target BP level could only be achieved by the combination of multiple antihypertensive medications, which can remarkably impair quality of life in elderly patients. Among non-comorbid elderly patients with hypertension, there seems to be no convincing difference in the efficiency of target organ protection between antihypertensive treatments that have different target sites but can achieve similar target levels. However, the majority of elderly hypertensive patients have comorbidities with variable rates of progression. In those at even low cardiometabolic risk the use of beta-receptor blockers (BRB) and especially a combination of BRB+diuretic (DIU) is not recommended. The adequate therapeutic tactic includes the use of only moderate drug-doses and their early combination. This approach has been convincingly proved mainly with early combinations of RAS inhibitors+CCB-s and RAS inhibitors+small doses of DIU-s. It is very important to monitor the treated patients, as the BP and circulatory response to the same antihypertensive treatment can markedly change in elderly patients when either the enviromental conditions change or a new pathologic process develops and/or is treated. Strict control is also necessary because it occurs quite often that the earlier optimal compliance of elderly patients in taking antihypertensive medicines rapidly deteriorates. The efficiency of statins and acetylsalicylic acid decreases over 80 years of age, but this does not indicate that the previously efficient approach should be suspended.]

Lege Artis Medicinae

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[International and Hungarian guidelines emphasize the need of the combinations in the therapy of hypertension. Single pill combinations (SPC) are preferred. The importance of the treatment reducing cardiovascular risk is underlined by the fact that in most hypertensive patients other cardiovascular risk factors, among them most frequently dyslipidemia is present. In addition to antihypertensive drugs these patients should be treated also with those decreasing plasma lipids. Adherence / persistence to therapy of patients is greatly improved by the use of single pill combinations. Today we also have SPCs decreasing both, blood pressure and plasma lipids. Among them there is the combination containing amlodipine and atorvastatin. Several international and Hungarian clinical studies have been conducted. Results of these investigations have been described in several publications. In this paper I summarise the most important results of some of these studies. ]

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[Prevalence of overweight and obesity in hypertensive patients]

KISS István, PAKSY András, KÉKES Ede

[Authors had performed an anthropometric analysis using a database of 2011-2013 of Hungarian Hypertension Register. They analyzed overweight and obesity in relation of age. The results were compared with similar analysis conducted in the total population 2015. They analyzed the prevalence of visceral obesity as well using the waist circumference measurement categories and these were also compared with screening data of total population. The prevalence of overweight and obesity was very high in both genders, co-occurrences exceeded 70% between 45-70 years. The prevalence was significantly higher in hypertensives, than in the total population. The prevalence of visceral obesity measured by waist circumference was also high, especially in women whose reached 50% of cases. They observed a significant difference between hypertensive and total populations In category „danger” of visceral obesity]