Hypertension and nephrology

[Role of ketoanalogue amino acids and diet in the treatment of patients with chronic kidney disease]

KISS István, HARIS Ágnes, DEÁK György

SEPTEMBER 14, 2018

Hypertension and nephrology - 2018;22(03 klsz)

[Low protein diet is an important component of the non-pharmacological treatment of patients with chronic kidney disease (CKD). Along with the diet it is important to maintain appropriate energy intake to avoid malnutrition. It is recommended to supplement low protein diet (0.6-0.7 g protein/kg body weight/day) with essential amino acids and their ketoanalogues (ketoacids) in a dose of 1 tablet/8-10 kg body weight if there is a threat of protein malnutrition (eg. vegan diet). Very low protein diet (0.3-0.4 g protein/kg body weight/day) should be supplemented with ketoacids in a dose of 1 tablet/5 kg body weight. Low protein diet is recommended for patients with CKD stage 3 and progressively declining renal function, or nephrotic syndrome; in diabetic nephropathy; in CKD stage 4 and non-dialyzed CKD stage 5. Nephroprotective effect of very low protein diet is primarily expected is patients with an eGFR below 20-25 ml/min/1.73 m2 and good compliance. Dietary protein restriction may diminish acidosis and proteinuria, slow the progression of CKD and delay initiation of dialysis. Diets reduced in protein supplemented with appropriate energy intake and ketoacids are nutritionally safe. Dietary education and guidance of patients by qualified dietitians are of great importance in nephrology clinics. We illustrate the main points of our review with case reports.]



Further articles in this publication

Hypertension and nephrology

[Letter to our Readers]

JÁRAI Zoltán, REUSZ György

Hypertension and nephrology

[Telemedicine care for high-risk hypertensive patients with antihypertensive for reaching better blood pressure target ratio and smaller blood pressure variability]

KISS István, ÁDÁM Ágnes, HERCZEG Béla, MATOLTSY András, POÓR Ferenc, SZEGEDI János, VÁRALLYAY Zoltán, PAKSY András, KÉKES Ede

[Telehealth care of high-risk hypertensive patients for a better target blood pressure and smaller size blood pressure fluctuation. Authors conducted a one-year, multicentre, prospective, observational study with no intervention. Their aim was to achieve better targeting and smaller blood pressure fluctuation in patients with high risk hypertensive patients with the new type of doctorpatient co-operation and telemedicinal care than the conventional control method. In the active group, 50 patients, in the non-active group 47 treated hypertensive patients were analysed. During the observation period (1 year) the mean (± SD) of the systolic blood pressure decreased from 143.3 (15.1) mmHg to 134.5 (9.2) mmHg in the active group, but in the non-active group there was no significant decrease. The target blood pressure (< 140/90 mmHg) could be increased from 46% to 62%. The two characteristics of interpersonal visit-to-visit variability index. The standard deviation (SD) and variation coefficient (VC) showed a significant decrease in the active group. There was no change in the inactive group. A method supported by telemedicine-assisted and better patientphysician- assistant co-operation is suitable for increasing target blood pressure rates and reducing blood pressure fluctuation.]

Hypertension and nephrology

[Recent Updates on Renal Impairments Caused by Hypertension]

NAGY Judit, KÉKES Ede, KISS István, KOVÁCS Tibor, SZEGEDI János

Hypertension and nephrology

[Results of the comprehensive health screening of Hungary (MÁESZ) in 2017 and comparative results of 2010-2017 specially to hypertension]

BARNA István, KÉKES Ede, DAIKI Tenno, DANKOVICS Gergely, KISS István, A MÁESZ Programbizottsága nevében

[The year 2017 saw the continuation of Hungary’s greatest and to date most comprehensive health screening program started in 2010. The examinations - among them coronary examinations - covered the fields of cardiology and hypertension, they took place in a specially furnished lorry. In the program we measured blood pressure, pulse rate, calculated cardiovascular risk, plasma cholesterol, glucose and uric acid levels. Whole body analysis started with measuring height, weight, abdominal circumference and waist/hip ratio defining target body weight. Following the measurement of body fat and muscle content we decided the surface volume of the abdominal fat and calculated body mass index. Participants and results of the examinations of the people who have presented themselves for the test since 2017 have been evaluated. In the Program a total (52.2%) women and (47.8%) men were tested at 204 locations. Upon data processing with the help of a query 21.9% of the participants reported suffering from hypertension. The screening truck has been to 1505 places is Hungary, and travelled 183,335 km, 135,879 people have participated in comprehensive screening. The average systolic blood pressure among women was in the normal range up to the age of 55 years. The diastolic blood pressure levels were in the normal range for both sexes (with the exception of the age group 46-55 of men where it exceeded the upper limit of the normal range by a minimal extent). Among men stage 1 hypertension was the most frequent status for all age groups; blood pressures above 140/90 were measured for 39% of subjects from age 18 onwards. Conclusions: Thanks to the vast information obtained through the program a comprehensive picture has been drawn about Hungary’s present health status not only on a regional or cross sectional level but as it was described in the program, too.]

Hypertension and nephrology

[International guidelines for blood pressure measurements, requirements]


[The author presents the classification of current blood pressure measuring devices, the validation procedure, then lists the values of the measuring devices that have passed the international protocol validation procedure.]

All articles in the issue

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Clinical Neuroscience

Risk factors for ischemic stroke and stroke subtypes in patients with chronic kidney disease

GÜLER Siber, NAKUS Engin, UTKU Ufuk

Background - The aim of this study was to compare ischemic stroke subtypes with the effects of risk factors, the relationship between grades of kidney disease and the severity of stroke subtypes. Methods - The current study was designed retrospectively and performed with data of patients who were hospitalised due to ischemic stroke. We included 198 subjects who were diagnosed with ischemic stroke of Grade 3 and above with chronic kidney disease. Results - In our study were reported advanced age, coronary artery disease, moderate kidney disease as the most frequent risk factors for cardioembolic etiology. Hypertension, hyperlipidemia, smoking and alcohol consumption were the most frequent risk factors for large-artery disease. Female sex and anaemia were the most frequent risk factors for small-vessel disease. Dialysis and severe kidney disease were the most frequent risk factors in unknown etiologies, while male sex, diabetes mellitus, prior stroke and mild kidney disease were the most frequent risk factors for other etiologies. National Institute of Health Stroke Scale (NIHSS) scores were lower for small-vessel disease compared with other etiologies. This relation was statistically significant (p=0.002). Conclusion - In order to improve the prognosis in ischemic stroke with chronic kidney disease, the risk factors have to be recognised and the treatment options must be modified according to those risk factors.

Hypertension and nephrology

[Kidney diet and the patient compliance issue ]

LADÁNYI Erzsébet

[There have been significant developments in the field of nephrology and dialysis as for the science and technology are concerned in the past decades. However, CKD patients still show high mortality and morbidity. From among the several factors determining the long-term outcome of CKD patients metabolic disorder and malnutrition play an important role. Malnutrition is often not diagnosed or is not paid enough attention to in the complex treatment of CKD patients. It is important to make both the patients and clinical staff more aware of proper nutrition and importance of prevention and treatment of malnutrition, respectively. The early diagnosis and treatment of malnutrition is of utmost importance in CKD patients. The long term renal failure and the accompanying malnutrition have a negative impact on their long term outcome and quality of life. Since the malnutrition causes a lot of complications, it is indispensable for dietitians and nephrologists to work closely together. Patient compliance is a determining factor in the successful implementation of renal diet.]

Hypertension and nephrology

[New agents in the therapy of hyperkalaemia]

PATÓ Éva, DEÁK György

[Serum potassium level higher than 5,5 mmol/l denotes hyperkalemia that becomes severe above 7,5 mmol/l being a potentially life threatening condition due to ventricular arrythmias. It may develop as a consequence of high potassium intake, decreased renal excretion, and extracellular potassium shift. Its treatment is a challenge even nowadays especially in the setting of chronic kidney disease, diabetes mellitus, and heart failure where RAAS inhibion is an essential component of the therapy. Sodium polystyrene sulfonate, an ion exchange resin is applied for more than fifty years. Recently new angents, patiromer and sodium zirconium cyclosylicate (ZS-9) were introduced and available results show a safer, more tolerable and predicatble effect. Efficiency of patiromer to reduce hyperkalemia is verified in clinical trials in patients with chronic kidney disease, or diabetes mellitus, or hypertension or heart failure on RAAS inhibitor therapy.]

Hypertension and nephrology

[Fructose-induced hyperuricaemia]

NAGY Judit, KISS István, WITTMANN István, KOVÁCS Tibor

[The consumption of fructose and fructose-based sweeteners has dramatically increased in the last hundred years and correlates epidemiologically with the rising prevalence of obesity, hypertension and metabolic syndrome worldwide. The administration of fructose to animals and humans increases uric acid generation independently from excessive caloric intake. Fructose ingestion may also be a risk factor of chronic kidney disease, that includes glomerular hypertension, vascular alterations (arteriolosclerosis) and albuminuria. The discovery that fructose-mediated generation of uric acid may have a casual role in metabolic syndrome and kidney disease provides new insight into pathogenesis and therapies for these important diseases.]

Hypertension and nephrology

[Role of ramipril/amlodipine fixed combination in treatment hypertension of patients with chronic kidney disease]


[Hypertension is an important risk factor of chronic kidney disease (CKD) however CKD can cause hypertension. Untreated CKD may result in renal failure. Hypertension and CKD are important cardiovascular risk factors. Several mechanisms play role in the worsening of renal function. The main pathogenetic factor is the increased activity of the renin-angiotensin-aldosteron system (RAAS) that can result in glomerulosclerosis, destroy of nephrons and proteinuria. In the treatment of hypertension in CKD patients inhibiting RAAS is very important because ACE-inhibitors and angiotensin-receptor blockers provide efficient control not only of blood pressure, but also of proteinuria, an effect associated with improved long-term nephroprotection. Between ACE-inhibitors ramipril has proved nephro- and cardiovascular protection effect. Fix combination therapy of ramipril with amlodipine has a very pronounced blood pressure lowering effect and can improve patient compliance too.]