Hypertension and nephrology

[Treatment of high blood pressure in praxis and beyond. Hypertension praxis model]

ÁDÁM Ágnes

SEPTEMBER 20, 2014

Hypertension and nephrology - 2014;18(03-04)

[Author presents a hypertension care model in the general praxis. Hypertensive patients and those with diabetes, hyperlipidemia and obesity, OSAS and the therapeutic results with these care model system for three years was analysed. The target blood pressure was achieved in a great rate in all patient’s groups. the elements of therapeutic success was analysed.]



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Hypertension and nephrology

[Visualization of glomerular filtration in animals in vivo - significant filtration in afferent arteriola. Regulation of endothelial permeability]


[Recently we have in vivo visualized glomerular filtration and fluid flow from the JGA portion of afferent arteriole into JGA using intravital multiphoton microscopy. Fluorescence of the extracellular fluid marker lucifer yellow appeared in the interstitium around the distal portion of afferent arteriole before the filtration into Bowman's capsule. In isolated microperfused JGA we demonstrated fluid movement from the glomerulus into the MD tubule. All these prove that there is a significant and dynamic fluid flow exists in the JGA. Angiotensin II similar to VEGF plays a role in regulation of permeability/fenestration formation. Angiotensin II acts through AT1 receptor and PV-1 protein synthesis.]

Hypertension and nephrology

[Signaling pathways in renal fibrosis]


[Myofibroblasts are the main effector cells of tissue fibrosis in chronic kidney disease. These cells are the main source of collagen rich extracellular matrix in the fibrous tissue. Recent hypotheses suggest that pericytes are the major progenitors of myofibroblasts. Platelet derived growth factor, transforming growth factor β and Wingless/Int signaling pathways play important role in pericyte activation. There are experimental evidences that blocking this pathways inhibits tissue fibrosis, therefore they might be targets for the development of antifibrotic drugs in the future.]

Hypertension and nephrology

[Local importance of Hantavirus infections in mirror of the latest virological, epidemiological and clinical results]

NÉMETH Viktória, OLDAL Miklós, SEBÕK Judit, WITTMANN István, JAKAB Ferenc

[Hantaviruses are widespread infectious agents carried by different rodent species. The majority of them belongs to viral zoonotic pathogens, sometimes causing severe human infections. Hantaviruses inflict hemorrhagic fever with renal syndrome in Eurasia and supposedly in Africa, and hantavirus cardio-pulmonary syndrome in the Americas. The relationship between the virus and its host species is a result of a several million year co-evolution. Although virus replication is most intense in the infected rodents' lungs, these animals do not develop disease, instead they carry and spread the pathogens throughout their lifetime by body fluids. In the majority of infections, the virus gets into the human body by vaporization of rodent body fluids or by direct contact. In Europe, Puumala (PUUV) and Dobrava-Belgrade (DOBV) hantaviruses are the most abundant hantaviral infectious agents. There are numerous studies described the presence of different genotipes of hantaviruses circulating in Hungary. Although the number of clinical and epidemiolgical studies are limited, the medical importance - especially in a high risk population - of these viruses are unqustionable. There are a variety of methods to identify hantaviral infections. Molecular biological methods (RT-PCR) - also enabling genotyping - and virus neutralization tests proved to be the most reliable tools. The latter technique requires virus culturing, which can only be carried out in high-containment laboratories.]

Hypertension and nephrology

[Importance of Reynolds-score system on cardiovascular risk assessment]


[The author summarizes knowledge about Reynolds risk assessment system based on data of references and own experiences. The first part of article is about how the results of study of pathogenesis of atherosclerosis were converted into new risk assessment systems. One result of this process is the Reynolds system wich is consisted of traditional riks factors, high sensitive C-reactive protein and the patients’ family medical history. He demonstrates essence of Reynolds system and process of it’s validity. The author deals with comparison of Reynolds system with other traditional risk assessment systems. The practical issues of application of Reynolds system are detailed in the conclusion of the article.]

Hypertension and nephrology

[Rudolf de Châtel MD has Passed Away]

MAGYAR Hypertonia Társaság

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Hypertension and nephrology

[Association between cyclothymic affective temperament and hypertension]


[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]


[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.]

Lege Artis Medicinae

[Notes on the management of hypertension in chronic kidney disease ]


[The prevalence of hypertension among pa­tients with chronic kidney disease is high, reaching more than 80%. Hypertension is both one of the main causes and also the most common consequence of chronic kidney disease. It is also a main factor responsible for the high cardiovascular morbidity and mortality in this patient population. Blood pressure control can improve patient outcomes, lower cardiovascular risk and slow down the progression of kidney dis­ease, irrespective of the underlying cause. The optimal therapy should therefore focus not only on blood pressure reduction but also on renoprotection. Basic understanding of the renal pathophysiology in hypertension and renal effects of various medications is of paramount importance. In this review, we summarized cornerstones of the antihypertensive therapy in patients with chronic kidney disease. The management of patients receiving kidney replacement therapies, such as hemodialysis, peritoneal dialysis or transplanta­tion requires special knowledge and expe­rience, therefore it is not discussed here. The aim of this review was to allow non-nephrologist physicians to take care of their kidney patients with more confidence and effectiveness.]

Hypertension and nephrology

[The importance of assessing subclinical organ damage in risk prediction of hypertensive patients]

GODINA Gabriella, JÁRAI Zoltán

[As the cardiovascular risk influences the quality and intensity of blood pressure lowering therapy, the goal blood pressure values and the frequency of medical control of hypertensive patients, as well as global risk assessment has an important role in the management of hypertension. In the last couple of years many data have been accumulated showing the poor prognostic value of traditional cardiovascular risk factors. This is the reason why recent Hungarian and international guidelines on the management of hypertension advise the screening for subclinical organ damage. Our goal was to summarize the importance of subclinical organ damage by discussing recently published literature on this topic. An overview has been made on the markers of vascular subclinical damage, like carotid atherosclerosis proved with carotid ultrasonography, peripheral arterial disease assessed with ankle-brachial pressure index measurements and vascular rigidity defined with pulse wave velocity measurements. The prognostic values of myocardial hypertrophy assessed with ECG and/or echocardiography and renal damage proved with decreased estimated glomerular filtration rate and proteinuria are also discussed. Summing up what has been said so far, the assessment of subclinical organ damage has a role in cardiovascular risk prediction, however more randomized and prospective studies have to be performed to define the most suitable (i.e. the most reliable and the most cost-effective) markers for this purpose.]

Lege Artis Medicinae

[The effects of angiotensin receptor blockers on the nervous system in hypertension and dementia]


[The renin-angiotensin system (RAS) is one of the most important mechanisms regarding the pathomechanism and treatment of hyprtension. The most of the elements of the RAS are found in the nervous system too. The effect of angiotensin converting enzyme inhibitors and angiotensin receptor blockers (ARBs) is based on the inhibition of the RAS. ARBs might have a special role in the central nervous system because they do not decrease the production of angiotensin but inhibit its harmful effects mediated through the AT1 receptor while allowing the stimulation of AT2 receptors with resulting pleiotrophic actions. Hypertension is the most important risk factor for stroke and has a negative effect on cognitive functions. Antihypertensive treatment has an effect on the nervous system; in addition to the consequences of the reduced blood pressure, ARBs might provide additional advantages in stroke and dementia prevention.]