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No 6 (2014)

Articles

Contribution of Franz Volhard in the doctrine of nephrogenic arterial hypertension

Glybochko P.V., Muhin N.A., Svistunov A.A., Fomin V.V.

Abstract

Role of Franz Volhard in development of renal arterial hypertension theory is discussed. Results of Volhard clinical and pathological investigations, that lead him to definition of variants of arterial hypertension, which differ according to risk and severity of target organ damage, are analyzed. Main Volhard publications are reviewed.
Clinical nephrology. 2014;(6):3-6
pages 3-6 views

Cognitive impairment in patients on hemodialysis

Smirnov A.V., Vasilieva I.A., Golubev R.V.

Abstract

Purpose. To clarify the nature and severity of cognitive impairment (Cl) in patients receiving hemodialysis (HD), data on the frequency of the occurrence of Cl and to analyze whether the use of succinate-containing bicarbonate dialysis fluid (SCBDF) improves the cognitive functions (CF) in patients? Material and methods. The study included 99 patients who were treated with HD. Benton visual retention test, CF scale of the Kidney Disease Quality of Life Short Form (KDQOL-SF) questionnaire, and the "Repetition of digits", "WAIS test" and "Reading counts" methods were used for the assessment. Results. Score below 7 on the "Repetition of digits" test indicating the presence of ci was observed in 10% of patients. There were no patients who were unable to replicate the preorder number of four digits (which may indicate the presence of dementia). Only 13% of patients had more than three errors in the "Reading Counts" test. Only 4% of patients had less than 6 correctly reproduced cards in the Benton test. Comparison of this indicator with the estimates for general intelligence according to the WAIS test and Stanford-Binet test has shown that mean value of 7.3 ± 1.5 in the present study occupies an intermediate position between the middle level of intelligence and lower limit of normal. Thus, the results of study indicate the presence of moderate Cl with mild decrease in attention, memory, and reaction rate in 10 to 20% of patients on HD. Data scattering is associated with application of multiple cognitive tests in the study. As a result of treatment with the use of SCBDF, the number of errors in reproducing of cards with geometrical figures is reduced (before treatment - 2.1 ± 1.4, 6 months after treatment - 1.7 ± 1.4, P = 0.04), and number of patients with points below 60 according to the CA scale of the KDQOL-SF questionnaire is decreased (before treatment - 14%, 6 months after treatment - 5%, P = 0.04). Conclusion. 10 to 20% of patients on HD have moderate ci. The positive dynamics of CF indicators during the treatment with the SCBDF is observed.
Clinical nephrology. 2014;(6):7-11
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Significance of acyl-ghrelin in the development of nutritional deficiency in patients with end-stage renal failure treated with programmed hemodialysis

Yakovenko A.A., Rumyantsev A.S., Kucher A.G., Asanina Y.Y.

Abstract

Aim. Identification of relationship between serum concentration of acyl-ghrelin and main indicators of nutritional deficiency in patients on chronic HD. Materials and methods. a total of 102 patients with end-stage renal failure treated by chronic hemodialysis, including 52 men and 50 women aged 49±7.7 years, were evaluated. All patients underwent fibrogastroduodenoscopy with biopsy of antrum and body of the stomach and the definition of Helicobacter pylori infection. Nutritional status and component composition of the patient’s body were assessed by a comprehensive nutritional assessment, kaliperometry, and bioimpedancemetry. Evaluation of serum acyl-ghrelin was carried out by the method of enzyme-linked immunosorbent assay (Elisa) using commercially available kits (Spi-bio, Montignyle Bretonneux, France). Results. The study has demonstrated a significant decrease in the serum acyl-ghrelin level with an increase in the severity of atrophic changes in the mucous membranes of different parts of the stomach, as well as the dissemination of gastric mucosa by Helicobacter pylori. There was a significant positive relationship between the serum acyl-ghrelin level and main indicators of nutritional status of patients. Conclusion. Reduction of serum acyl-ghrelin level may be considered as one of the factors contributing to the development of nutritional deficiency in patients treated by chronic hemodialysis.
Clinical nephrology. 2014;(6):12-16
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Measurement of advanced glycation end products in the skin using autofluorescence spectroscopy in patients with chronic kidney disease

Papayan G.V., Esayan A.M., Kayukov I.G., Petrischev N.N., Yampolsky M.A.

Abstract

Purpose. Determination of the diagnostic capabilities of use of the device «Skin-AGE» in patients with kidney disease. Material and methods. Three groups of patients were evaluated: Group 1 (control group) consisted of practically healthy persons (47; F/M: 32/15, AGE: 16-78 years), Group 2 - renal transplant recipients (RTR; 24 persons; F/M: 13/11, AGE: 15-62 years), Group 3 - patients with end-stage renal failure (esrf) on the permanent hemodialysis(79; F/M: 35/44, AGE: 22-82 years). Level of tissue accumulation of advanced glycation end products (agep) in theskin was estimated according to the intensity of autofluorescence (AF) using the device «Skin-AGE», developed in FSPb SMU n.a. Acad. I.P. Pavlov. Results. Comparison of the data obtained using the device «Skin-AGE», with the results from healthy individuals using the known device «age reader» (diagnoptics, netherlands), has showed that in both cases were similar age trends. The coefficient of correlation with age obtained using the device «AGE-reader» was 0.32 (p <0.05), and using our divice «skin-age» - 0.74 (p <0.001). in group 2 and group 3, increase of the average values of af was observed compared to the normal parameters by 1.75 ± 0.16 and 1.42 ± 0.16 times, respectively. in patients with esrf, marked significant direct correlations of af with the duration of dialysis (R = 0.36; P <0.0005), hemoglobin levels in peripheral blood (0.20; p <0.05) and calcium-phosphorus product (r = 0.24; p <0.025) were revealed. In RTR, a significant inverse relationship between AF and the duration of previous dialysis (r = -0.43; p <0.025), as well as direct correlation of AF with of total cholesterol levels (r = 0.36; p <0.05), low density lipoprotein cholesterol levels (R = 0,40; P <0.025) were revealed. Conclusion. Measurements of tissue accumulation of AGEP according to AF levels using the device «Skin-AGE» can be used in the evaluation of patients with chronic kidney disease.
Clinical nephrology. 2014;(6):17-22
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The prevalence of renal disease in patients with decompensation of chronic heart failure

Arutyunov G.P., Dragunov D.O., Sokolova A.V., Arutyunov A.G.

Abstract

Purpose. The evaluation of the prevalence of renal disease in patients with CD in the Russian population according to the two registers, ORACLE-RF and Pavlovsk register. Material and methods. Pavlovsk register was formed in 2ОО9. The register includes 1ОО1 patients with decompensated heart failure. The follow-up period for the included patients was 30, 90, 180, and З60 days after discharge. ORACLE-RF register was formed in 41 centers of the 20 cities of the Russian Federation (2010-2011). Data for 2404 patients were available for final analysis. 94 patients were lost to follow-up in the post-hospital period . Statistical analysis was performed using Statistica 6.1 and 10 software. Results. Analysis of ORACLE-RF register showed that only 16% of patients had a GFR> 90 mL/min/1.73 m 2, and 28 and 33% could be classified as 1st and 2nd stage CKD, respectively. In the group of stage 1 CKD, albuminuria A1 level was 9%, albuminuria A2 level - 2. In the group of stage 2 CKD, albuminuria A1 level was 11%, A2 - 6%, A3 - 4%. Analysis of Pavlovsk register showed that 47% of the included patients had GFR> 60 mL/min/1.73 m 2, of which only 6% had albuminuria levels A1 and 14% - albuminuria A2 level; contracted kidney confirmed by ultrasound was revealed in 12%. 52% of patients had GFR <60 ml/ min/ 1.73 m 2, with GFR <30 ml/ min /1.73 m 2 in 14% of patients included in the register, and only 1% of patients had GFR <15 ml / min / 1.73 m 2. Arteriosclerotic contracted kidney was diagnosed in patients with GFR> 60 ml / min / 1.73 m 2 in 20% of cases, and in patients with GFR <30 ml / min / 1.73 m 2 - in 13% of cases. When comparing the registers, one of the most significant differences was mortality rate among patients with GFR <60 ml / min / 1.73 m 2. In the Pavlovsk register, GFR has a significant impact on the mortality of patients, whereas in the ORACLE-RF register GFR has no effect on mortality. In ORACLE-RF register, increased creatinine or urea levels had no direct significant effect on mortality, despite the fact that the presence of CKD significantly increased mortality, OR was 3.82 (95% Cl, 3.37-4.33). Conclusions. As a result of the comparative analysis of the two Russian registers on decompensation of heart failure, it was found that the prevalence of CKD is large enough, and Pavlovsk register contains the largest number of patients with CHF and CKD.
Clinical nephrology. 2014;(6):23-27
pages 23-27 views

Diagnosis of chronic kidney disease in patients with risk factors for cardiovascular complications observed in outpatient settings

Alekseeva L.A., Kravcova N.N., Shashina N.B., Babanin V.S., Volkova N.A., Myhin N.A.

Abstract

Aim. Study of prevalence of chronic kidney diseas (CKD) in ambulatory patients with cardio-vascular risk factors and assessment of diagnostic accuracy of calculation of glomerular filtration rate (GFR) by special formulas. Methods. 157 patients with cardio-vascular risk factors (99 male, 58 female; mean age 61,2±h,8 years) were included into the study, in 148 of them microalbuminuria was determined, CFR was calculation by Cockroft-Gault, MDRD and CKD-ЕРі formulas. Results. In 22% microalbuminuria was found, 11,5% had GFR <60 ml/min/1,73 m 2. GFR <60 ml/min/1,73 m 2 was found significantly oftener in patients with coronary heart disease. Cockroft-Gault, MDRD and CKD-ЕРі formulas were valuable in estimation of GFR in patients with cardio-vascular risk factors, particularly CKD-ЕРі formula. Conclusion. Chronic kidney disease is widespread in ambulatory patients with cardio-vascular risk factors, for glomerular filtration rate estimation in the Cockroft-Gault, MDRD and CKD-ЕРI formulas can be used.
Clinical nephrology. 2014;(6):28-31
pages 28-31 views

Pharmacoeconomic aspects of the treatment of anemia in russian patients with chronic kidney disease

Ryazhenov V.V., Gorokhova S.G.

Abstract

A clinical and economic evaluation of the effectiveness of drugs stimulating erythropoiesis in patients with anemia and chronic kidney disease was performed. Pharmacoeconomic benefits of III generation drug stimulating erythropoiesis, С.E.R.A., the use of which allows to reduce the financial costs of the health system associated with pharmacotherapy of nephrogenic anemia, are explained.
Clinical nephrology. 2014;(6):32-35
pages 32-35 views

Melatonin levels and markers of acute kidney injury in acute coronary syndrome

Mikhailova Z.D., Shalenkova M.A., Klimkin P.F.

Abstract

Purpose. To identify features of melatonin (MT) levels and its relationship with serum creatinine and neutrophil gelatinase associated lipocalin (NGAL) levels in patients with acute coronary syndrome (Acs). Materials and methods. In 146 patients with ACS and in 26 patients with stable angina (SA) of II-III clinical functional class, urine was collected on 1-3 days of hospitalization from 2,300 to 800 and from 800 to 2,300, and the content of MT metabolite (ng/ml) was determined using high performance liquid chromatography. In all patients fasting venous blood was sampled with the definition of creatinine (sCr1) (mmol/l) on 1-3 day of hospitalization using colorimetric method, with redetermination of sCr2 levels in patients with ACS at 24-72 h. In 78 patients with ACS and in 9 patients with SA, NGAL levels (ng / ml) in the blood (s-NGAL) and urine (u-NGAL) were determined on 1-3 day hospitalization using ELISA. Results. Daily rhythm of MT secretion was preserved in patients with SA (0.31 and 0.26); in contrast, in patients with ACS it was disturbed (0.26 and 0.42). Acute kidney injury (AKI) according to the creatinine levels was diagnosed in 35 patients with ACS. s-NGAL levels more than 177 ng/ml were diagnosed in 48 patients with ACS, u-NGAL levels more than 72 ng/ml - in 7 patients with ACS. Cardiovascular complications were diagnosed in 52% of patients with early (predicted) AKI and in 80% of patients with late (dynamic) AKI. Conclusion. MT, creatinine and NGAL levels can be used as an additional diagnostic criteria for predicting the course of hospital stage of ACS.
Clinical nephrology. 2014;(6):36-40
pages 36-40 views

Changes in neurophysiological parameters in patients with uremic polyneuropathy

Fedoseev A.N., Shestakov V.V., Vaylin I.N., Vaylina A.S., Smirnov V.V.

Abstract

Discusses the change in the functional activity of the peripheral nerves, as well as the characteristic features of uremic polyneuropathy in patients with end - stage renal disease. Studied 60 patients with end-stage chronic renal failure. Patients underwent clinical neurological and neuropsychological testing in the form of stimulus EMG. The regularities of the neurophysiological patterns of uremic polyneuropathy are the most frequent complications of the nervous system in patients on dialysis therapy, significantly impairing the quality of life of this group of patients. Revealed that the nature of demyelinating lesions of peripheral nerves of the lower extremities does not coincide with axonal and does not depend on it. Also shown are the characteristic features of the flow of uremic polyneuropathy. Despite the pronounced changes in innervations, significant decrease in the amplitude of M-response motor fibers, motor defect in the patients examined clinically was expressed moderately. At the same time, with a moderate reduction in sensory nerves of lower extremities in the patients examined widely represented sensitivity disorder, which is a typical feature of uremic polyneuropathy.
Clinical nephrology. 2014;(6):41-44
pages 41-44 views

Pathogenesis, complex diagnosis and pathogenetic therapy of nocturia

Tyuzikov I.A., Kalinchenko S.Y., Vorslov L.O., Tishova Y.A., Grekov E.A.

Abstract

In a review article the pathogenesis, clinical diagnostic and pharmacological aspects of the symptoms of night urination (nocturia), based on the results of modern research evidence and their own clinical and scientific data are discussed. Nocturia is a universal phenomenon of the age, gender devoid of color, and its frequency in both men and women has been steadily progressing with age. Given the lack of clinical interest in our country to nocturia, the authors propose a proprietary algorithm of integrated diagnostics the causes of nocturia, which maximizes early to identify the majority of its pathogenetic mechanisms in order to subsequently each was fully corrected the relevant pathogenetic pharmacotherapy. Common pathogenetic mechanisms of its development are 24-hour polyuria, nocturnal polyuria associated with deficiency of vasopressin, as well as reducing the reservoir capacity of the bladder and sleep disturbance, which should identify every patient with nocturia. However, the available literature data indicate that, in addition to the shortfall of vasopressin its corresponding synthetic analogues, effective pharmacotherapeutic options in relation to nocturia does not exist today. But, if we consider it from the standpoint of nocturia modern multifactor pathogenesis and, above all, due to biological aging, it is possible to discuss some of the promising anti-aging therapy therapeutic measures that, among other things, could have a positive impact on the clinical course of nocturia and reduce its negative implications for human aging. These forward-looking group of drugs (PDE-5 type inhibitors, insulin sensitisers, hormone D drugs, sex hormones) with potentially pathogenic effect in relation to nocturia are also described in the article for informational purposes, as their evidence base in relation to nocturia can not yet be regarded as sufficient.
Clinical nephrology. 2014;(6):45-57
pages 45-57 views

Successful treatment of segmental mesenteric thrombosis in renal transplant recipient

Yankovoy A.G., Zulkarnaev A.B., Sinyutin A.A., Stepanov V.A.

Abstract

The article presents the observation of successful treatment of segmental necrosis of the small bowel due to mesenteric thrombosis in patient with nephrotic syndrome after renal transplantation.
Clinical nephrology. 2014;(6):58-61
pages 58-61 views

A look at 175 years ago (B.Braun)

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Clinical nephrology. 2014;(6):62-63
pages 62-63 views

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