scholarly journals Evaluation of the corrective effect of therapeutic plasmapheresis on the state of renal function in patients after surgical treatment of localized kidney cancer

2021 ◽  
Vol 2 (2) ◽  
pp. 6-14
Author(s):  
S. N. Dimitriadi ◽  
N. D. Ushakova ◽  
A. V. Velichko ◽  
E. M. Frantsiyants
Keyword(s):  
Renal Function ◽  
Clinical Stage ◽  
The State ◽  
Infusion Therapy ◽  
Corrective Effect ◽  
Group I ◽  
Group Ii ◽  
To Receive ◽  
Kidney Resection ◽  
Renal Function Disorders

Purpose of the study. To assess the state of renal function in the application of therapeutic plasmapheresis in order to correct the disorders accompanying the development of preclinical stage of AKI in patients after partial nephrectomy under conditions of warm ischemia.Patients and methods. We examined 119 patients (average aged 57.6±7.8 years) from 2018 to 2019, who underwent open or laparoscopic kidney resection for cancer according to elective indications and with the usage of standard WIT technique within 15-21 minutes. Patients with a high risk of developing a clinical stage of AKI (n=21) were divided into 2 groups: in group I (n=10), patients continued to receive standard nephroprotective therapy, in group II (n=11), 24 hours after surgery, therapeutic plasmapheresis was performed according to the TPE (Therapeutic plasma exchange) protocol. During 7 days after the surgery patients in both groups were monitored daily for the rate of hourly diuresis, serum creatinine, and creatinine GFR. The presence of significant differences in the groups was evaluated using the STATISTICA 12.6 software package and the differences between the samples were considered significant at p<0.05.Results. The development of the clinical stage of AKI in group I was detected in 80.0 % of cases, in group II in 9.0 % of patients (p=0.0019). The rate of diuresis in group II was significantly higher: by more than 2 times by day 3, by 90.0 % on day 4, by 81.4 % on day 5, by 36.8 % on day 6, and by 25.4 % on day 7 (p<0.05). The average increase in creatinine in group I was significantly higher: more than 5 times on day 5 and more than 4 times on day 6 and 7 of the study (p<0.05). GFR in group II was significantly higher on day 3 (65.3 %), day 5 (54 %), day 6 (39.2 %) and day 7 (50 %) (p<0.05).Conclusion. Therapeutic plasmapheresis is highly effective in the correction of renal function disorders after kidney resection under WIT conditions and demonstrates an advantage in reducing the risk of developing a clinical stage of AKI in comparison with preventive measures that include standard nephroprotective infusion therapy.

scholarly journals Caudal tramadol bupivacaine combination for postoperative pain releif in subumbilical paediatric surgery

2014 ◽  
Vol 23 (2) ◽  
pp. 42-46
Author(s):  
Md Shafiqul Islam ◽  
Md Tajul Islam ◽  
Dilip Kumar Bhowmick ◽  
Moinul Hossain ◽  
AKM Akhtaruzzaman ◽  
...  
Keyword(s):  
Postoperative Nausea And Vomiting ◽  
Paediatric Population ◽  
Paediatric Surgery ◽  
Physical Status ◽  
Anaesthetic Agents ◽  
Group I ◽  
Caudal Analgesia ◽  
Group Ii ◽  
To Receive ◽  
Control Study

Background Regional anaesthesia in children provides the advantage of reduced requirements of other anaesthetic agents and of excellent analgesia introduction. Rational use of adjuvant with local anaesthetic in caudal route for prolonged optimal analgesia in paediatric population. Objectives To evaluate the quality and duration of postoperative analgesia in children undergoing subumbilical surgeries with caudally administered mixture of tramadol and bupivacaine. Methods Sixty children of ASA physical status I & II scheduled for elective subumbilical surgery were included in this prospective case-control study. Children were randomly assigned to receive caudal analgesia with plain bupivacaine (Group-I) and a mixture of tramadol-bupivacaine (Group-II) respectively. Blood pressure, heart rate, oxygen saturation and duration of analgesia were recorded postoperatively. Results Study revealed that mean duration of caudal analgesia in Group-I and Group-II were 245.67 ± 6.94 and 612.05 ± 16.49 minutes respectively which was significantly longer (P<0.001) in Group-II. Mean number of postoperative analgesics were 2.97±0.50 and 1.78±0.50 in Group-I and Group-II which was statistically highly significant (P=0.000). Postoperative nausea and vomiting was significantly high in Group-II (P=0.019). Conclusion Combination of tramadol with bupivacaine results in prolonged analgesia when administered in caudal route. In addition, tramadol is more useful in young children considering less respiratory depression than other opioids. DOI: http://dx.doi.org/10.3329/jbsa.v23i2.18172 Journal of BSA, 2009; 23(2): 42-46

scholarly journals Neurotropic Effects of Hepatoprotectors During Alcohol Poisoning

2019 ◽  
Vol 15 (4) ◽  
pp. 4-10
Author(s):  
R. N. Akalaev ◽  
V. Kh. Sharipova ◽  
A. A. Stopnitsky ◽  
K. Sh. Khodzhiev
Keyword(s):  
Blood Lactate ◽  
Cognitive Deficit ◽  
Toxic Hepatitis ◽  
Early Stage ◽  
Alcohol Poisoning ◽  
Group Iii ◽  
Group I ◽  
Group Ii ◽  
Neurotropic Effects ◽  
To Receive

Purpose. To compare the efficacy of metabolic hepatoprotectors at an early stage of acute alcohol poisoning complicated by toxic hepatitis.Material and methods. 80 patients with acute alcohol poisoning complicated by toxic hepatitis who received medical treatment in the toxicology unit of the Republican Research Center of Emergency Medicine during 2015–2017 were examined. The patients were split into 3 groups. At the background of backbone therapy, patients of group I (n=30) received a hepatoprotectors on the basis of inosine, meglumine, methionine, nicotinamide, and succinic acid; patients of group II (n=20) were prescribed to receive drugs based on betaine glucuronate (glucomethamine), diethanol amine (glucodiamine), and nicotinamide ascorbate. Patients of group III (n=30) received the backbone therapy. In all patients, the concentrations of liver enzymes, bilirubin, free ammonia, blood lactate, the condition of vegetative nervous status were analyzed. Psychoastenics was examined using the MMSE score, FAB score and Reitan test.Results. After 48 hours, in group I patients, the concentration of blood lactate became almost normal, in group II patients it decreased to 2.6Ѓ}0.9 mmol/l, and in group III patients it was equal to 2.7Ѓ}0.9 mmol/l. On day 5, in patients of groups I and II the cognitive deficit was almost absent, in patients of group III the MMSE scores were 1.3-fold and 1.4-fold lower than in patients of groups I and II, respectively.Conclusion. The drug used in group I possessed increased antihypoxant properties but smaller hepatoprotective properties than the drug used in group II. When signs of toxic hepatitis are predominant it would be more preferable to use the drug applied in group II and when the signs of tissue hypoxia are predominant the drug applied in group I should be used.

scholarly journals Autoantibody as markers of the heart state in patients with vibration disease burdened diabetes mellitus

2020 ◽  
Vol 22 (2) ◽  
pp. 311-318
Author(s):  
L. B. Masnavieva ◽  
I. V. Kudaeva ◽  
Yu. A. Kuznetsova
Keyword(s):  
Diabetes Mellitus ◽  
Type 2 Diabetes ◽  
Thrombus Formation ◽  
The State ◽  
Myocardial Cells ◽  
Diabetes Group ◽  
Vibration Disease ◽  
Group I ◽  
Group Ii

Physical and chemical factors, obesity, lipid metabolism disorder, diabetes affect the state of the vascular endothelium, the processes of thrombus formation, fibrinolysis and increase the risk of developing cardiovascular diseases. It can be assumed that the development and course of pathological processes in the cardiovascular system, caused by vibration disease with the onset of diabetes, will undergo changes. The purpose of the study was to assess the state of heart condition according to the level of specific autoantibodies with the combined effect of vibration disease and type 2 diabetes mellitus. Patients with vibration disease (group I), patients with type 2 diabetes (group II) and persons with vibration disease in combination with type 2 diabetes (group III) were examined. Individuals do not have a history of coronary heart disease, stroke, and myocardial infarction have been included in obsledrovanie. Serum levels of specific autoantibodies characterizing the state of the heart have been studied. It was revealed that the content of autoantibodies to 1-adrenoreceptors in patients of group I was higher than in individuals of group II. The relative content of autoantibodies to the components of the membrane and cytoplasm of myocardial cells in patients of groups I-III did not differ. It was found that elevated levels of autoantibodies to components of the membrane and cytoplasm of myocardial cells, cardiomyosin, 1-adrenoreceptors were observed more often in patients with vibration disease combined with diabetes and in persons with vibration disease than in people with diabetes. Persons with a reduced content of autoantibodies to 1-adrenergic receptors were not detected among patients of groups I and III. Changes in the levels of specific autoantibodies in persons with vibration disease may indicate the development of functional metabolic and structural changes in the heart, disorders of its electrical activity that have not yet been manifested in the form of a pathological process. Lower levels of 1-adrenoceptor autoantibodies in patients with type 2 diabetes without vibration disease can be caused by increased levels of catecholamines, which is characteristic of diabetics. Further research, including clinical data and indicators of functional diagnostics is necessary to confirm our assumptions.

scholarly journals Results of observation of the postoperative period in patients with surgical aortic pathology after surgical intervention using cardiopulmonary bypass

2019 ◽  
Vol 23 (2) ◽  
pp. 267-276
Author(s):  
K. A. Khyzhniak ◽  
Y. V. Volkova ◽  
K. Y. Sharlai ◽  
M. V. Khartanovych
Keyword(s):  
Cardiopulmonary Bypass ◽  
Hospital Stay ◽  
Postoperative Period ◽  
Surgical Intervention ◽  
Infusion Therapy ◽  
The Third ◽  
Group I ◽  
Aortic Pathology ◽  
Number Of Patients ◽  
Group Ii

The aim of the work was to analyze the results of the observation of the postoperative period in patients with surgical aortic pathology after surgical intervention using cardiopulmonary bypass. 118 patients with surgical aortic pathology (SAP) were examined. Patients were divided into 2 groups. Group I included 46 patients who were additionally prescribed a solution of meglumin sodium succinate (reamberin), group II included 46 patients who were additionally assigned a solution of D-fructose-1,6-diphosphate sodium hydrate salt (esophosphine). The control group (K) consisted of 26 patients who had surgical pathology of the aorta, all the criteria coincided with patients of groups I and II, but did not have additional substances as part of intensive care (IT) in order to prevent postoperative cognitive dysfunction (PСD). Analyzed the patient's condition on a scale of postoperative mortality prediction EuroSCORE II, the depth of anesthesia with a BIS monitor, the qualitative composition of the leukocyte formula, nasal and rectal temperature, blood gas composition, electrolyte level, glucose, lactate, coagulogram indices, hemolysis and phosphates; levels of autoantibodies to brain antigens (MBP, calcium binding protein S-100, NSE and GBA) were determined in the serum by ELISA a day before the operation and on the first, third, seventh and fourteenth day after surgery. The morphometric and functional properties of erythrocytes were investigated the day before the operation (starting level), 12:00 after the operation, and on the third day of hospital stay. The initial assessment of the cognitive abilities of the patients was made the day before the operation, on the third, seventh and fourteenth day of hospital stay. Used to determine the magnitude of the coefficient of linear Pearson correlation. In the analysis, no significant differences were found between the preliminary data on the phosphorus content in the patients' blood, however, the recovery dynamics of its numbers differed in the K, I and II patients. So, in group K and in group I, after 12:00 after surgery, the level of phosphatemia was 0.86 ± 0.21 mmol/l and 0.85 ± 0.18 mmol / l, on the 3rd day of hospital stay — 0,94 ± 0.08 mmol/l and 0.97 ± 0.04 mmol/l, on the 7th day — 1.04 ± 0.16 mmol/l and 1.07 ± 0.21 mmol/l and on The 14th day — 1.08 ± 0.12 mmol/l and 1.1 ± 0.14 mmol/l. It can be noted that the dynamics of blood phosphatemia in patients of groups K and I was identical, its figures almost coincided in terms of the level of phosphorus in the blood and the corresponding number of patients in the variation rows of patients in both groups. It may be noted that there is an unconditional positive effect on the course of the perioperative period of the option of infusion therapy in the IT complex in patients of group II.  

scholarly journals THE STATE OF CHILDREN MASTICATORY MUSCLES WITH DENTITION DEFECTS IN THE FRONTAL AREA AND NARROWING OF DENTAL ARCHES IN THE TRANSVERSE PLANE

10.23856/4336 ◽  
2021 ◽  
Vol 43 (6) ◽  
pp. 279-286
Author(s):  
Svitlana Savonik
Keyword(s):  
Orthodontic Treatment ◽  
Masticatory Muscles ◽  
The State ◽  
Frontal Area ◽  
Orthodontic Appliance ◽  
Dynamic Changes ◽  
Group I ◽  
Group Ii ◽  
Removable Appliances ◽  
Better Than

Orthopedic and orthodontic treatment of 49 patients aged 6 to 17 years with dentition defects in the frontal area was examined and performed to conduct and determine the state of the masticatory muscles in children with dentition defects. Patients were divided into two groups depending on the period of formation of the dento-maxillaire system and each of the groups was divided into two subgroups depending on the method of treatment and the mechanism of fixation of the orthodontic appliance in the oral cavity. When comparing the indicators between groups I A and I B, we can state that there were more qualitative and dynamic changes in electromyographic indicators in children of group I B than group I A. When comparing the data received after orthopedic and orthodontic treatment of children in group II, we can state that quantitative and qualitative indicators of electromyography for group II B were better than those of children in group II A. In children who were treated with removable appliances, these indicators improved, but remained at a worse level than in those treated with non-removable appliances.

scholarly journals Use of Noninvasive Cerclage in Combination of Micronized Progesterone in Miscarriage Of Multifetal Pregnancy

2017 ◽  
Vol 24 (4) ◽  
Author(s):  
Iryna Nikitina ◽  
Alla Boychuk ◽  
Valentina Kondratiuk ◽  
Tatyana Babar
Keyword(s):  
High Risk ◽  
Pregnant Women ◽  
The State ◽  
Control Group ◽  
Group I ◽  
Prophylactic Measures ◽  
Neonatal Adaptation ◽  
Group Ii ◽  
Multifetal Pregnancy ◽  
Micronized Progesterone

We represent the results of the combined method of treatment and prevention of miscarriage in women with a multiple pregnancy and a high risk of the threat of termination the pregnancy because of using the obstetric unloading pessaries, combined with micronized progesterone. The efficiency of this method of treatment is evidenced by the rapid elimination of clinical symptoms of threatened abortion, accelerating the regression of ultrasound markers, reducing the number of complications in of pregnant women and reducing the time of their stay in hospital.Goal: To evaluate the effectiveness of the handling the obstetric pessary in combination with micronized progesterone at women with multifetal pregnancy and a high risk of miscarriage.Materials and methods. We analyzed 120 cases of multifetal pregnancies with signs of miscarriage within the terms from 16 to 28 weeks. The first group of the examined women was: 40 pregnant women with twins and signs of miscarriage, who in the scheme of treatment and prophylactic measures were offered to use the unloading obstetric pessaries in combination with continuous therapy by natural micronized progesterone until 36 weeks of pregnancy. The second group included 40 pregnant women with twins, who were laid seam on the cervix because of istmicocervical insufficiency and were applied short-term courses of therapy by gestagens. The control group comprised 40 pregnant women with twins at the age of 16-28 weeks of pregnancy who were conducted the therapy about the threat of miscarriage according to the current clinical protocols (Order of the Ministry of Health of Ukraine No. 624). It was carried out the analysis of the course of pregnancy, childbirth, the postpartum period and the state of neonatal adaptation in the surveyed groups.Results of the research and their discussion. In the first group, urgent childbirth occurred in 34 (85%) cases, in group II in 29 (72.5%) cases, in control group – in 25 (62.5%) cases. Cesarean delivery was performed in 7 (17.5%) patients of group I pregnant women, in 9 (22.5%) of group II patients and in 11 (27.5%) in the pregnant group. When studying the state of neonatal adaptation of newborns in the examined groups, the following results were obtained. The average weight of the newborns in group I was 3245 ±280 g, in group II 2865 ±365 g, in the control group - 2975 ±325 g (p>0.05). The evaluation of the state of newborns on the Apgar scale, respectively at the 1st and 5th minutes, was respectively: in newborns of the I group, 7.5 ± 1.4 and 8.4 ± 1.3 points, in group II - 7.3 ± 1.6 and 8.2 ± 1.1 points, in the control group – 7.2 ± 1.6 and 8.6 ± 1.2 (р 1-р 2> 0.05).Conclusions. Comprehensive prophylaxis of non-pregnancy in multiple pregnancies, combining the use of a traumatic cardiac cervix with the help of unloading obstetric pussies with progesterone preparations, allows prolonging pregnancy, preventing the development of prematurity, contributes to the improvement of perinatal indicators.

scholarly journals Comparative analysis of using balanced and normal saline solutions as an intraoperative therapy in newborns

2019 ◽  
Vol 9 (2) ◽  
pp. 41-49 ◽  
Author(s):  
Marianna M. Nasser ◽  
Yurii I. Kucherov ◽  
Yuliya V. Zhirkova
Keyword(s):  
Normal Saline ◽  
Saline Solution ◽  
Infusion Therapy ◽  
Hemodynamic Parameters ◽  
Acid Base Balance ◽  
Metabolic Disturbances ◽  
Acid Base ◽  
Group I ◽  
Base Balance ◽  
Group Ii

The purpose of the study was to compare the values of acid base balance, electrolytic and hemodynamic parameters in newborns depending on the composition of intraoperative infusion therapy. The study was done in 60 newborns who were given Staerofundin ISO basic infusion (10 ml/kg/hour) in group I (n=31) and normal saline solution in group II (n=29) during a surgery.Results: following the surgery, no differences in pH values were observed between the groups, moderate metabolic disturbances were found. In Group II, levels of bicarbonates decreased from 22.2 to 20.5 (р=0.047). By the end of the surgery, normal electrolyte composition was found more frequently in group I (29%) as compared to group II (20%). Hypopotassemia (34.5% and 22.6%), hyperpotassemia (44.8% and 25.8%) and hyperchloremia (63% and 51.7%) were found more frequently in group II as compared to group I, respectively. To achieve the target level of blood pressure, the bolus was injected to 29% (n=9) of children from group I and 17.2% (n=5) of children from group II. Adrenergic agonists were used in 42% of children from group I and 27.6% of children from group II (р=0,038). There were no differences between the cumulative doses.Conclusion. Sterofundin and normal saline solution demonstrated equivalent values of effectiveness and produced similar effect on the values of acid base balance, electrolytic and hemodynamic parameters during the intraoperative period in newborns.

scholarly journals Renal function impairment in Hypothyroidism

2013 ◽  
Vol 6 (1) ◽  
pp. 19-25
Author(s):  
HS Chaudhury ◽  
KK Raihan ◽  
MN Uddin ◽  
SM Ansari ◽  
M Hasan ◽  
...  
Keyword(s):  
Renal Function ◽  
Serum Creatinine ◽  
Total Cholesterol ◽  
Impaired Renal Function ◽  
Ldl Cholesterol ◽  
Colorimetric Method ◽  
Group I ◽  
Increased Risk ◽  
The Mean ◽  
Group Ii

Background: Hypothyroidism is an important public health problem in Bangladesh. It is associated with increased risk for atherosclerosis and other complications. The frank development of hypothyroidism is associated with metabolic derangements including dyslipidemia- which is an etiopathologic factor for development of renal impairment. This study was to evaluate whether hypothyroidism is associated with impaired renal function. Methods: Using a cross sectional analytical study design, a total of 111 subjects attending Out Patient Department, Center for Nuclear Medicine and Ultrasound, Bogra Medical College during January 2007 to December 2007 were included purposively. Eighty newly diagnosed hypothyroid patients (Group I) and 31 healthy adults (Group II) were enrolled in this study. Serum thyroid stimulating hormone and serum free thyroxine were assayed by radioimmunoassay. Serum fasting lipid profile, serum creatinine and serum uric acid were estimated by enzymatic colorimetric method. Estimated GFR was calculated using MDRD equation. Results: The mean (±SD) age of in Group I and Group II were 35.59 (±6.91) and 37.35 (±2.78) years and were comparable. In Group I, there were 66 females and 14 males. In Group II, there were 16 females and 15 males. The mean BMI was 25.49 ±2.17 kg/m2 in Group I and 24.24 ±1.99 kg/m2 in Group II. The mean (±SD) Serum total-cholesterol, LDL- cholesterol and tryacylglycerol in Group I were significantly higher than that in Group II. Serum HDL cholesterol in Group I was significantly lower than that in Group II (p<0.001). The mean (±SD) serum creatinine was significantly higher in Group I than Group II (P<0.001). The estimated glomerular filtration rate (eGFR) was lower in Group I compared to Group II (p=0.011). In Group I (Hypothyroid), there were significant correlations of BMI, S Total-Cholesterol, S HDLCholesterol, S LDL-Cholesterol, S triglycerides and S creatinine with serum TSH level. In Group I (Hypothyroid), there were significant positive correlations of BMI and TSH with serum creatinine. Conclusions: Hypothyroidism is associated with dyslipidemia, hyperuricemia and impaired renal function. Therefore, patients presenting with these biochemical abnormalities are recommended to be investigated for hypothyroidism and vice versa. DOI: http://dx.doi.org/10.3329/bjmb.v6i1.13283 Bangladesh J Med Biochem 2013; 6(1): 19-25

scholarly journals Short-Time Intermittent Preexposure of Living Human Donors to Hyperoxia Improves Renal Function in Early Posttransplant Period: A Double-Blind Randomized Clinical Trial

2011 ◽  
Vol 2011 ◽  
pp. 1-8 ◽  
Author(s):  
Kamran Montazeri ◽  
Mohammadali Vakily ◽  
Azim Honarmand ◽  
Parviz Kashefi ◽  
Mohammadreza Safavi ◽  
...  
Keyword(s):  
Renal Function ◽  
Kidney Transplantation ◽  
Hospital Stay ◽  
Urine Output ◽  
Human Study ◽  
Kidney Donor ◽  
Living Kidney Donor ◽  
Duration Of Hospital Stay ◽  
Group I ◽  
Group Ii

The purpose of this human study was to investigate the effect of oxygen pretreatment in living kidney donors on early renal function of transplanted kidney. Sixty living kidney donor individuals were assigned to receive either 8–10 L/min oxygen (Group I) by a non-rebreather mask with reservoir bag intermittently for one hour at four times (20, 16, 12, and 1 hours before transplantation) or air (Group II). After kidney transplantation, urine output, blood urea nitrogen (BUN), serum creatinine, need to additional diuretics (NTADs) in the first 24 hours after transplantation, delayed graft function (DGF), the creatinine clearance (CrCL) on 10th day, and duration of hospital stay from the first posttransplant day till normalization of renal function was recorded and compared in two groups. Mean CrCL in posttransplant day 10, NTAD after 24 hours of transplantation, and urine output during 6 hours after operation were significantly better in Group I compared with Group II (). Also, DGF during the first week after operation and duration of hospital stay was less in Group I compared with Group II. Intermittent exposure of human living kidney donor to hyperoxic environment may improve renal function following kidney transplantation.

scholarly journals COMPARATIVE EFFICACY OF EXTRACORPOREAL SHOCKWAVE LITHOTRIPSY AND RETROGRADE INTRARENAL SURGERY IN THE TREATMENT OF CALCIUM OXALATE NEPHROLITHIASIS

2021 ◽  
pp. 39-46
Author(s):  
V. L. Medvedev ◽  
A. A. Budanov ◽  
G. D. Dmitrenko ◽  
G. A. Palaguta ◽  
A. M. Rozenkranc
Keyword(s):  
Renal Function ◽  
Calcium Oxalate ◽  
Cystatin C ◽  
Extracorporeal Shockwave Lithotripsy ◽  
Shockwave Lithotripsy ◽  
Moderate Increase ◽  
Retrograde Intrarenal Surgery ◽  
Extracorporeal Shockwave ◽  
Group I ◽  
Group Ii

Objective To evaluate the results of extracorporeal shockwave lithotripsy (ESWL) versus retrograde intrarenal surgery (RIRS) for the treatment of calcium oxalate nephrolithiasis, as well as the damaging effects on renal function, taking into account the dynamics of blood cystatin C and urine beta2-microglobulin.Material and Methods Of 94 patients with calcium oxalate nephrolithiasis aged 23–78 included in the study,  42 patients were classified as having undergone ESWL (group I) and 52 patients as having undergone RIRS (group II). Group II patients were then stratified into subset 2A (n = 32) as having undergone RIRS through rigid ureteroscope and subset 2B (n = 20) as having undergone RIRS through flexible ureteroscope. We performed plain urography and nephrosonography at 24–48 hours postoperatively and unenhanced computed tomography 4–6 weeks after surgery. We measured concentrations of serum cystatin C and urinary beta2-microglobulin as a marker for kidney damage. In group I, samples of peripheral blood andurine were taken before and after the first, third sessions and 30 days after the last ESWL session. In group  II, samples were analyzed before surgery, on the first and 30th postoperative days.Results The average size of calculi in the group with RIRS was 16.91 ± 2.79 mm, in the group with ESWL  12.31 ± 2.27 mm. The need for reoperation after RIRS was 19.2%, which was lower than after ESWL. Stone-free effect (no stones, or residual stones less than 3 mm) was observed in 95% of cases in patients with RIRS, and in 78% with ESWL. Group I patients demonstrated an increase in the blood leukocytes total number more often than subsets 2A (rigid RIRS) and 2B (flexible RIRS) patients. Leukocyturia was also a more common complication in group I. In the RIRS group, there was no statistically significant change in the level of blood cystatin C and urine beta2-microglobulin, on the contrary, a moderate increase in the endogenous marker of cystatin C was noted after one ESWL session. The increase in urine beta2-microglobulin levels in patients after the first and third ESWL sessions was significantly higher than after RIRS.Conclusion Flexible RIRS may be suggested as the preferred procedure for patients requiring additional protection of renal function in the treatment of renal stones less than 20 mm. ESWL of stones less than 20 mm can be used as an alternative treatment, since it is characterized by a rather long period of stone eradication from the urinary tract, a high frequency of residual calculi after the procedure, and also has a damaging effect on the renal tissue.

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