Hypertension and nephrology

[Isolated systolic hypertension in children and young adults I.]


MAY 20, 2017

Hypertension and nephrology - 2017;21(03)

[Prevalence of the isolated increase in systolic blood pressure ≥140 mmHg with normal or low diastolic blood pressure ≤80 mmHg, is defined as isolated systolic hypertension. Its prevalence increases with age up to >90% in patients aged >90 years. Isolated systolic hypertension is also found in the young and the clinical significance of it is still debated. For the therapy, those drugs should be used which have a license for use in children: angiotensin converting enzyme inhibitors, angiotensin AT-1 receptor antagonists, calcium channel blockers beta-blockers and diuretics and their combinations. The young adults with isolated systolic hypertension had a much higher risk of dying from coronary heart disease or cardiovascular disease, then the normotensive individuals, and should be treated to normalise their blood pressure. In the elderly and very elderly (>80 yrs), a wealth of data from large clinical trials are available, showing the necessity of treatment mostly with drug combinations - fix-combinations are preferred for increasing the adherence / persistence to therapy. Using diuretics, ACE-inhibitors / ARBs with calcium antagonists, and when needed diuretics and beta-blockers are suggested by recent European guidelines. The target is <140 mmHg, but in octogenarians <150 mmHg. Some studies are pressing for even lower SBP (to around 120 mm Hg), but it seems to be wise to balance advantages / disadvantages, so the optimal SBP may be around 130 mmHg.]



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[Systemic ANCA-associated vasculitis. Induction immunosuppression therapy, complications and outcome. Part 1]

HARIS Ágnes, POLNER Kálmán

[The present review is compiled of two parts, the first part aims to summarize the induction immunosuppressive therapy, the second part delineates the outcome and complications of ANCA-associated vasculitis. ANCA-associated vasculitis is a systemic disease, accompanied with rapidly progressive glomerulonephritis and severe, often life-threatening extrarenal complications. By early diagnosis and immediate initiation of immunosuppressive therapy, both patient and renal outcome have been substantially improved. The major aims of modern therapeutic protocols are, besides improving survival, to decrease immunosuppressive drug toxicity and avoid infections. Immunosuppression is based on the combination of large dose of corticosteroid and cyclophosphamide, which is advisable to supplement by plasma exchange. The B-cell depleting anti-CD20 monoclonal antibody rituximab, which has already been available in Hungary, has been proved to be similarly effective in newly diagnosed ANCA-vasculitis, and even more effective in a relapsing disease, compared to cyclophosphamide. Amongst rituximab’s further indications in this disease is the preservation of young women’s fertility, and it also has priority in some other special cases. Early diagnosis and prompt immunosuppressive treatment have resulted that ANCAvasculitis became a treatable disease with reasonably good clinical outcome, yet both the disease and the immunosuppressive medications frequently cause complications, which necessitate continuous alertness of the attending nephrologists.]

Hypertension and nephrology

[Prevalence of isolated systolic hypertension in our country]

KÉKES Ede, BARNA István, DAIKI Tenno, DANKOVICS Gergely, KISS István

[Prevalence of hypertension over the age of 56 is increasing in size and a significant proportion (60-80%) of isolated systolic hypertension. Within the population screening in the older age groups - in the light of economic development - 25-40% of the prevalence. We have an opportunity to analyse the prevalence and specificity of isolated systolic hypertension from age 36 to age 10 years on the base of 7 years data of the MÁESZ (Comprehensive Health Protection Screening Program of Hungary 2010- 2020) survey. Between 56-65 years 23.27-24.23% (male/female) 66-75 years 34,89-33,15% and over 76 years 44.04-41.5% occurrence was found. Divergence of systolic and diastolic pressure has begun since 36 years. Pulse pressure was used to separate individuals with varying degree of vascular disorders.]

Hypertension and nephrology

[Prognostic significance of stiffness index determined by digital volume pulse method in polycystic kidney disease]

SÁGI Balázs, KÉSŐI Bence, KÉSŐI István, VAS Tibor, CSIKY Botond, NAGY Judit, KOVÁCS Tibor

[Introduction: It is known from previous studies, that in chronic renal failure cardiovascular mortality and morbidity are more frequent than in the general population. The prognostic significance of arterial stiffness on cardiovascular outcomes trials was first demonstrated in end-stage renal disease patients by epidemiological longitudinal studies. Our aim was to assess the prognostic significance of arterial stiffness in polycystic kidney disease. Methods: 55 patients with polycystic kidney disease (PKD) were examined and followed in our clinic. Pulse wave velocity was determined by digital volume pulse (DVP) method, and a so-called stiffness index (SI DVP) was calculated. MDRD formula was used for estimating the glomerular filtration rate (eGFR, mL/min/1.73 m2) to determine renal function. Patients were observed regularly, in every 3-6 months, and we checked lab tests, which assessed the patient’s renal function and cardiovascular events occurred in patients were collected in our outpatient department. Results: Our study involved 55 patients, 21 were male, the mean age was 45±12 years. The average follow-up was 63±32 months. The average value of the stiffness index was 11.11±2.22 m/s. We divided the patients by 11 m/s as cut off point of SI values into two groups and analysed their outcome. In the increased arterial stiffness group (SI >11 m / s) the probability of the combined endpoint occurrence was signi - fi cantly higher than in the group with flexible arteries (χ-square: 4.571; p=0.033). Between the two groups we did not found significant difference in cardiovascular endpoint, but we found a statistically significant difference between the two groups in renal outcomes (χ-square: 5.591; p=0.018). Conclusion: In polycystic kidney disease the increased arterial stiffness may predict the onset of end-stage renal failure. Digital Pulse volume as determined by Pulse Trace system appears an appropriate method for making prognosis in chronic kidney disease.]

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