THE STATE OF THE NITRIC OXIDE SYNTHESIS SYSTEM IN THE COMORBID COURSE OF BRONCHIAL ASTHMA AND HYPERTENSION

2021 ◽  
pp. 86-94
Author(s):  
Stafeev A.N. ◽  
Logvinenko N.I. ◽  
Tereshkov P.P. ◽  
Markovsky A.V.
Keyword(s):  
Nitric Oxide ◽  
Glomerular Filtration Rate ◽  
Essential Hypertension ◽  
Linear Regression ◽  
Arterial Hypertension ◽  
Multiple Linear Regression ◽  
Glomerular Filtration ◽  
Bronchial Asthma ◽  
Filtration Rate ◽  
Nitric Oxide Synthesis

Comorbidity is a common condition in medical practice. The presence of comorbid conditions in a patient makes a great contribution to the course and prognosis of the underlying disease, as well as the development of complications [12]. At the same time, diseases occurring with broncho-obstructive syndrome and arterial hypertension syndrome are widespread throughout the world [13, 14]. The aim of this study was to assess the degree of endothelial dysfunction associated with impaired nitric oxide synthesis, based on the state of the NO/NOS/ADMA system and genetic polymorphisms of the nitric oxide synthetase gene in patients with bronchial asthma combined with essential hypertension. Materials and methods Three groups of patients, 96 people each, were formed, corresponding in age and gender structure with a diagnosis of bronchial asthma (BA group), essential hypertension (EH group) and their joint course (BA+EH group). Serum concentrations of asymmetric dimethylarginine, symmetric dimethylarginine, genetic polymorphisms of nitric oxide synthase (synthases NOS3 786T/C and NOS3 894G/T) were determined. To determine the role of other factors in increasing the concentration of ADMA and SDMA, multiple linear regression analysis was performed. Results: according to the results of the study, for a group of patients with a combination of bronchial asthma and hypertension, there are increased levels of ADMA and SDMA, the T allele NOS3 786C/T is more common in hypertension, in multiple linear regression significant factors in increasing ADMA are the presence of hypertension, bronchial asthma, body mass index and glomerular filtration rate, for SDMA - the presence of hypertension, asthma and glomerular filtration rate. Conclusions: The comorbidity of bronchial asthma and arterial hypertension is associated with an increased serum concentration of ADMA and SDMA. The presence of the TT genotype of the NOS3 786C/T polymorphism is associated with an increased incidence of arterial hypertension in patients with asthma.

Interaction between angiotensin II and nitric oxide in control of renal hemodynamics in conscious dogs

1994 ◽  
Vol 267 (6) ◽  
pp. R1472-R1478 ◽  
Author(s):  
A. M. Alberola ◽  
F. J. Salazar ◽  
T. Nakamura ◽  
J. P. Granger
Keyword(s):  
Nitric Oxide ◽  
Glomerular Filtration Rate ◽  
Angiotensin Ii ◽  
Glomerular Filtration ◽  
Plasma Flow ◽  
Filtration Rate ◽  
Renal Plasma Flow ◽  
Nitric Oxide Synthesis ◽  
Afferent Arterioles ◽  
Renal Vascular

Recent in vitro studies have provided evidence that the vasoconstrictor actions of angiotensin II on afferent arterioles are enhanced by nitric oxide synthesis inhibition. Although these studies suggest that nitric oxide may play a role in protecting the afferent arterioles from angiotensin II-induced vasoconstriction, the importance of this interaction in the regulation of glomerular filtration rate and renal blood flow in the intact, conscious animal is not known. The objective of the present study was to determine the role of nitric oxide in modulating the renal hemodynamic and excretory effects of angiotensin II. Angiotensin II was infused at rates of 0.5, 1.0, and 2.0 micrograms.kg-1.min-1 intrarenally in conscious, chronically instrumented dogs in both the presence and absence of nitric oxide synthesis inhibition by continuous intrarenal infusion of NG-nitro-L-arginine methyl ester (3 micrograms.kg-1.min-1). At a dose of 0.5 micrograms.kg-1.min-1, angiotensin II decreased renal plasma flow by 19%, while having no effect on glomerular filtration rate in control dogs. In contrast, angiotensin II decreased renal plasma flow by 54%, glomerular filtration rate by 40%, and increased renal vascular resistance by 125% in the presence of intrarenal nitric oxide synthesis blockade. At doses of 1.0 and 2.0 micrograms.kg-1.min-1, angiotensin II reduced renal plasma flow by 36 and 45%, glomerular filtration rate by 17 and 23%, and increased renal vascular resistance by 80 and 120%, respectively, in control dogs.(ABSTRACT TRUNCATED AT 250 WORDS)

Evolution of glomerular filtration rate in patients with essential hypertension: impact of type 2 diabetes

2014 ◽  
Vol 8 (4) ◽  
pp. e101
Author(s):  
Julian Segura ◽  
Cesar Cerezo ◽  
Enrique Morales ◽  
Luisa Fernandez ◽  
Lucia Guerrero ◽  
...  
Keyword(s):  
Type 2 Diabetes ◽  
Glomerular Filtration Rate ◽  
Essential Hypertension ◽  
Glomerular Filtration ◽  
Filtration Rate

scholarly journals Arterial hypertension as a trigger for the development of cardiorenal failure in patients of different genders

2019 ◽  
Vol 34 (3) ◽  
pp. 114-121
Author(s):  
E. A. Lopina ◽  
N. P. Grishina ◽  
R. A. Libis
Keyword(s):  
Heart Failure ◽  
Glomerular Filtration Rate ◽  
Chronic Heart Failure ◽  
Ejection Fraction ◽  
Arterial Hypertension ◽  
Glomerular Filtration ◽  
Cystatin C ◽  
Filtration Rate ◽  
Left Ventricular ◽  
Left Ventricular Ejection

Aim. To study the peculiarities of changes in the functional state of the kidneys and heart muscle in patients with arterial hypertension.Materials and Methods. A total of 88 patients with arterial hypertension were included in the study. Chronic kidney disease was detected based on glomerular filtration rate, albuminuria, and cystatin levels in serum and urine. The stage of chronic heart failure was determined according to Strazhesko–Vasilenko classification with functional class according to NYHA; functional class of chronic heart failure was determined based on six-minute walking test. Patient inclusion criteria were the presence of essential hypertension of degree 1–3 and the age from 50 to 70 years. Patients underwent anthropometry, biochemical blood tests, six-minute walking test, and standard echocardiography.Results. Arterial hypertension of degree 1–2 was diagnosed in 50 patients including 33 women and 17 men. Grade 3 arterial hypertension was found in 38 patients (28 women and 10 men). Patients were divided into two groups according to gender. The groups with arterial hypertension degree 1–2 differed in their blood pressure levels. Echocardiography data showed the formation of heart failure with preserved ejection fraction. The groups differed in the values of left ventricular ejection fraction and end-systolic and end-diastolic sizes of the left ventricle. The levels of cystatin C in serum were elevated in both groups. The serum and urine creatinine levels and glomerular filtration rates differed between groups. Women had more significant decreases in the values of glomerular filtration rate, cystatin C, and urine creatinine. Correlation relationships were found between systolic blood pressure and glomerular filtration rate (r = 0.27, p < 0.05) and between systolic blood pressure and left ventricular back wall thickness (r = 0.41, p < 0.05). Inverse relationship was found between left ventricular ejection fraction and albuminuria (r = –0.31, p < 0.05). Cystatin C level had inverse relationship with glomerular filtration rate (r = –0.47, p < 0.05) and direct relationship with left ventricular myocardial mass index (r =  0.24, p  <  0.05).Discussion. Chronic kidney disease and chronic heart failure with preserved left ventricular ejection fraction were detected in patients at early stages. In the group of women, more pronounced changes in the renal and cardiac functions were found. Cystatin C is a marker of kidney function reduction and an alternative marker of chronic heart failure. The study showed that the level of cystatin C in blood serum of patients was increased, which correlated with the functional activities of the kidneys and the heart.Conclusion. In case of arterial hypertension in the presence of chronic kidney disease, the development of the left ventricular hypertrophy and heart failure with preserved ejection fraction was found. Women had more significant changes in the renal and cardiac functions compared with those in men. 

KIM-1 level in urine with initial reduction of glomerular filtration rate in patients with various bronchial asthma variants

2021 ◽  
Vol 25 (4) ◽  
pp. 64-70
Author(s):  
V. N. Mineev ◽  
T. S. Vasilieva ◽  
A. V. Smirnov ◽  
O. V. Galkina ◽  
V. I. Trofi mov
Keyword(s):  
Glomerular Filtration Rate ◽  
Glomerular Filtration ◽  
Enzyme Immunoassay ◽  
Bronchial Asthma ◽  
Filtration Rate ◽  
Kidney Injury ◽  
Renal Tubules ◽  
Disease Course ◽  
Kidney Injury Molecule 1 ◽  
Positive Factor

INTRODUCTION. Previously, we postulated the common pathogenetic mechanisms in bronchial asthma (BA) and chronic kidney disease (CKD). The kidney injury molecule-1 (KIM-1) is considered as an early biomarker of the proximal renal tubules damage. In the available literature, there is only one clinical study of KIM-1 in children BA.THE AIM of the study is to  assess KIM-1 levels in different variants of BA.PATIENTS AND METHODS. The 24 BA patients were examined. Glomerular filtration rate (eGFR) by CKD-EPI was calculated. The concentration of the kidney injury molecule -1 (KIM-1) in urine was determined by enzyme immunoassay. Urinary albumin was determined by the immunoturbidimetric method. VEGF-A in serum was determined by enzyme immunoassay (sandwich variant).RESULTS. In the urine of BA patients, KIM-1 was detected, and its level in patients with a non-allergic variant is significantly higher than in patients with an allergic variant of the disease. Factor analysis was carried out, the following was revealed: the KIM-1 component with a high positive factor load is associated with a key characteristic of BA such as the severity of the disease course, as well as with a high negative factor load – with a component of the glomerular filtration rate; the KIM-1 component with a high positive factor load is associated with the presence of drug intolerance in BA patients; the microalbuminuria component is negatively associated with the severity of BA disease course, as well as with the components KIM-1, VEGF-A, which seems to be associated with the use of systemic glucocorticoids in severe BA disease course; the KIM-1 component is positively associated with the VEGF-A component, which may indicate possible KIM-1 involvement in hypoxic kidney injury in BA. CONCLUSION. The obtained data suggest that in BA, first of all, in a non-allergic variant of the disease and in a severe course of BA, kidney injure is formed, detected using kidney injure molecule-1 KIM-1.

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