Infrared thermal imaging camera to measure low temperature thermal fields.

To measure low-temperature thermal fields, we have developed a single-element cooled thermal imaging camera for a spectral range of 8-14 µm with an internal shutter for radiometric calibration. To improve the accuracy of measuring the temperature of cold objects, we used a shutter with a combined emissivity as an internal reference source of radiation at the input of the device optical unit. With this aim a small mirror was fixed in the center on its surface covered black, thereby ensuring an efficient reflection of radiation in a wide spectral range of wavelengths. When processing the signal for each pixel of the thermal image, the differential value of the detector response to the shutter blackened and mirror areas was used as a reference. A relative measurement error of 3% was obtained for the studied objects with a temperature of -150 °C. The device was successfully used for remote study of thermal field dynamics during freeze-thawing of biological tissues in vivo.

[The possibility of correcting oxidative stress in patients with inflammatory type of chronic abacterial prostatitis (chronic pelvic pain syndrome category IIIa)].

INTRODUCTION: The term "chronic prostatitis" includes many different symptomatic patterns, many aspects of which still remain a mystery. The role of oxidative stress in the pathophysiology of many diseases, including prostatitis, is undisputable. AIM: To evaluate the capabilities of a mineral-vitamin antioxidant complex for the treatment of patients with chronic abacterial prostatitis/chronic pelvic pain syndrome (CP/CPPS). MATERIAL AND METHODS: A total of 47 patients with inflammatory type of chronic abacterial prostatitis/chronic pelvic pain syndrome (CPPS) were included in the study. The examination, along with standard tests, included evaluation of the antioxidant status. Patients were randomized into the main group (n=26), and the control group (n=21). All men received standard therapy. However, in the main group, Selzinc-plus was additionally prescribed, 2 tablets per day for 2 months. The results were assessed after 2 months of therapy. RESULTS: Standard therapy had a significant effect in patients of both groups, which lasted for two months. However, additional antioxidant therapy practically doubled this effect on the symptom scale, although it had no influence on the number of leukocytes in the expressed prostate secretions. At baseline, all patients in both groups had a decrease in antioxidant protection. Two months of taking Selzinc-plus led to normalization of the overall antioxidant status. In the control group, there was also a positive trend in antioxidant status, but significant differences were obtained only in the activity of erythrocyte superoxide dismutase. CONCLUSION: CP/CPPS is accompanied by oxidative stress. Taking Selzinc-plus for two months allows to restore the activity of the antioxidant system.

[Impact of the SARS-CV-2 virus on the urinary bladder].

INTRODUCTION: There are publications about the impact of a new coronavirus infection (COVID) on the lower urinary tract, including the development of overactive bladder (OAB) or COVID-associated cystitis. The cause of dysuria in patients with COVID is not fully understood. MATERIAL AND METHODS: A total of 14 consecutive patients after COVID with complaints of frequent urination with urgency were included in the study. The main inclusion criterion was the development or worsening of OAB symptoms after resolution of COVID, confirmed by the eradication of SARS-CoV-2 by a polymerase chain reaction. The severity of OAB was assessed using the International Scale of Symptoms (Overactive Bladder Symptom Score, OABSS). RESULTS: Three (21.4%) out of fourteen patients had OAB symptoms prior to COVID, while in 11 (78.6%) patients OAB symptoms developed in post-COVID period. In 4 patients (28.6% of the entire cohort and 36.4% of patients in de novo group) urge urinary incontinence and urgency developed. The average score on the OABSS scale in patients with baseline OAB was 6.7+/-0.8, which corresponded to the moderate severity. In this group, one patient developed urge urinary incontinence and urgency, which were not present prior to COVID. In a retrospective evaluation of symptoms before the COVID, their average score on the OABSS scale was 5.2 +/- 0.7, i.e., past COVID led to an increase in OAB symptoms by 1.5 points. In patients with OAB de novo, the symptoms were less pronounced, with a score of 5.1+/-0.6 points, that is between mild and moderate OAB. At the same time, urinalysis in 9 patients did not have signs of inflammation: in 5 cases, 5-7 white blood cells per field of view was seen only once. A follow-up urine test was normal, suggesting contamination. None of the cases revealed bacteriuria over 102 CFU/ml. All patients were prescribed trospium chloride at a dose of 30 mg per day. The choice of the drug was due to the absence of a negative effect on the central nervous system, which is very important both during COVID and in post-COVID period, since the neurotoxicity of SARS-CoV-2 has been proven. CONCLUSION: A past history of COVID led to an increase in OAB symptoms by 1.5 points in patients who had OAB prior to infection. In 11 patients, after the treatment of COVID, the moderate symptoms of OAB developed de novo. Our small study showed the importance of focusing the attention of internists and infectious disease doctors on urination disorders in patients with COVID and timely referral to a urologist. For the treatment of post-COVID OAB, trospium chloride is the drug of choice, as it does not aggravate the potential neurotoxicity of SARS-CoV-2.

Majorana's approach to nonadiabatic transitions validates the adiabatic-impulse approximation.

The approach by Ettore Majorana for non-adiabatic transitions between two quasi-crossing levels is revisited and significantly extended. We rederive the transition probability, known as the Landau-Zener-Stückelberg-Majorana formula, and introduce Majorana's approach to modern readers. This result, typically referred as the Landau-Zener formula, was published by Majorana before Landau, Zener and Stückelberg. Moreover, we go well beyond previous results and we now obtain the full wave function, including its phase, which is important nowadays for quantum control and quantum information. The asymptotic wave function correctly describes the dynamics away from the avoided-level crossing, while it has limited accuracy in that region.

DESCRIPTION OF PROVING INTENTIONAL HOMICIDES INVOLVING POISONOUS SUBSTANCES: THE RELATIONSHIP OF MEDICAL AND PROCEDURAL CONTEXTS.

The purpose of the study is to provide the description of proving intentional homicides involving poisonous substances based on the structural analysis of the medical and criminal procedure criteria of the relevant process. The practical basis for the research is the statistical and analytical materials of the Ministry of Internal Affairs of Ukraine and the National Police of Ukraine, the Prosecutor's General Office, the State Judicial Administration of Ukraine for 2016-2021; summarized data from the study of 20 materials of criminal proceedings (primarily resolutions on the appointment of forensic and other examinations), materials of mass media. As a result of the research, it was established that the medical description of the concept of poison and possible variants of its use are urgently needed, including during the implementation of the versioning procedure in the pre-trial investigation, as well as establishing the identity of the perpetrator or the list of other similar offenses (committed in a similar way). The views of scientists on the understanding of the concept of poison, including lethal agents are characterized; a number of explanations regarding the use of special knowledge in the pre-trial investigation of intentional homicides involving poisonous substances are also provided.

Search for New Target Genes of MicroRNA for Differential Diagnosis of Benign and Malignant Neoplasms of the Thyroid Gland by In Silico Methods.

Differential diagnosis of thyroid gland neoplasms is an urgent problem in modern oncothyroidology. This is especially true for the diagnosis of follicular thyroid cancer and follicular thyroid adenoma at the preoperative stage. In this study, in silico methods were used to search for potential markers that are microRNA target genes. A list of 19 microRNAs was compiled, the expression of which varies depending on the type of thyroid neoplasms. For these microRNAs, the target genes were selected considering tissue specificity and association with thyroid diseases. We selected 9 target genes (MCM2, RASSF2, SPAG9, SSTR2, TP53BP1, INPP4B, CCDC80, GNAS, and PLK1), which can be considered as promising markers according to published data. Also, 6 new potential markers (CDK4, FGFR1, ERBB3, EGR1, MYLK, and SRC) were found, which make it possible to distinguish between follicular thyroid cancer and follicular thyroid adenoma. The proposed algorithm using various bioinformatics tools allows us to identify potential markers for the differential diagnosis of thyroid neoplasms.

Prognostic of Yield of Potatoes of Promising Domestic Varieties under the Impact of Stress Abiotic Factors.

Twenty-four potato (Solanum tuberosum L.) varieties differing in ripening groups (early, middle-early, and mid-season-ripening) were studied. Potatoes were grown under the conditions of the Middle Volga region of Russia in 2019-2021. It was found statistically that the yield (t/ha) of the early and mid-season-ripening varieties was negatively correlated with the increase in average temperatures during the growing season from May to August (R = -0.97, p = 0.04). Soil moisture content at a depth of 20 cm was positively correlated with the yield of middle-early varieties (R = 0.97, p = 0.04). The average tuber weight in the early varieties was sensitive to the increase in average temperatures (R = -0.95, p = 0.04). An increase in soil moisture content was beneficial to the average tuber weight (R = 0.98, p = 0.04), though only in the middle-early and mid-season-ripening groups. However, the soil moisture content and the tuber numbers in the mid-season-ripening varieties were negatively correlated (R = -0.96, p = 0.05).

[Tuberculosis of the male genital organs].

INTRODUCTION: Tuberculosis of the genitourinary system is still of importance. The observed decrease in the incidence of urogenital tuberculosis is largely due to the inaccuracies of registering this disease. MATERIALS AND METHODS: A retrospective cohort comparative non-interventional study of the structure of urogenital tuberculosis in the Siberian and Far Eastern federal districts was carried out. We analyzed statistical reports from 2003 to 2015, which included data for a total of 456 patients, as well as extended questionnaires compiled specifically for this study. In addition, outpatient records of 95 patients with urogenital tuberculosis who were registered at the Novosibirsk Regional Tuberculosis Dispensary by 01/01/2022 were evaluated. RESULTS: An analysis of the structure of urogenital tuberculosis from 2003 to 2015 showed that urinary system was affected in the most of cases (n=314, 68.8%). Tuberculosis of male and female genital organs took the second place (n=101, 22.2%) patients. Generalized urogenital tuberculosis was diagnosed in 41 (9%) patients. From 2003 to 2008, the proportion of renal tuberculosis increased by 12.6%, but then a significant decrease in its proportion was found (82.2% in 2008 vs. 48.6% in 2015 [2 =12.71; =0.0004]). On the contrary, in 2003 the proportion of genital tuberculosis was 18% (n=18) compared to 29.1% (n=3) in 2015 (2 =3.46; p=0.06). In 2015, generalized forms of urogenital tuberculosis were diagnosed in 23 (22.3%) patients, which is approximately 2.5 times more than in 2003 (n=9; 9%) and 2008 (n=7; 6.6%) (2> 6.46; p<0.01). The proportion of prostate tuberculosis ranged from 0 in 2003 and 7.1% in 2008 to 54.2% in 2013. In 2003, tuberculosis of the scrotum was diagnosed in 100% of men with genital tuberculosis, while in 2013 and 2015 its proportion was 25%. In total, scrotal tuberculosis during whole follow-up was diagnosed in 26 patients, which accounted for 41.9% of all male genital tuberculosis. The combination of tuberculosis of the scrotum and prostate also varied significantly from 17.3 to 35.7%. Generalized urogenital tuberculosis was diagnosed with a minimum proportion (1.4%) in 2008, then there was an upward trend with a maximum rate in 2015 (22.3%, 2 =29.38; <0.0001). Among 95 patients with tuberculosis of the urinary and male reproductive system, who were followed by the phthisiourologist of Novosibirsk Regional Tuberculosis Dispensary, 34 (35.8%) had a diagnosis of kidney tuberculosis, 42 (44.2%) had isolated tuberculosis of the male genital organs, and the remaining 19 (20.0%) men had generalized urogenital tuberculosis. In total, HIV infection was detected in 23 (24.2%) patients with urogenital tuberculosis, and among patients with kidney tuberculosis, it was diagnosed in 7 (20.6%) cases compared to 9 (21.4%) cases in those with male sexual tuberculosis. In patients with generalized urogenital tuberculosis, HIV infection was detected almost 2 times more often, namely in 7 (36.8%) cases. CONCLUSION: Patients with urogenital tuberculosis are under follow-up of urologists for a long time with erroneous diagnoses, and only when the disease becomes irreversible and requires surgical intervention, the pathomorphological study of the surgical material will allow to make a proper diagnosis.

[Surgical treatment of patients with renal tuberculosis, complicated by ureteral tuberculosis].

INTRODUCTION: Late diagnosis of renal tuberculosis leads to complications that cannot be eliminated by treatment. CLINICAL CASE: A clinical observation of patient Ch., born in 1976, who was admitted to TB Research Institute of Ministry of Health of Russia on 17.02.2020. A diagnosis was cavernous renal tuberculosis. Tuberculosis of the ureter. MBT (-). Right ureteral stricture (obliteration), complicated by ipsilateral hydronephrosis. Right nephrostomy tube (2018). Clinical cure of disseminated pulmonary tuberculosis. He underwent planned laparoscopic bowel substitution of the right ureter on 10.03.2020. In the postoperative period, pyelonephritis developed, which was resolved by drug therapy. CONCLUSION: In this case, there is the correct tactics of outpatient urologists. When hydronephrosis was diagnosed, a nephrostomy tube was put, which allowed to preserve the kidney, Then the patient was immediately referred to a phthisiatrician to exclude urogenital tuberculosis. In the local TB dispensary, the patient did not have the opportunity to receive necessary treatment, and he was transferred to the TB Research Institute of Ministry of Health of Russia, where a reconstructive laparoscopic procedure was performed.

Productivity and Dynamics of Morphological, Physiological, and Biochemical Parameters of Potatoes in Arid Climate.

Interrelation between the morphology, physiology, biochemistry, and productivity of potato plants was shown for the first time using the example of a mid-season-ripening variety (v.) Siversky and a mid-early Tretyakovka v. The yield of Siversky v. turned out to be 1.6 times higher than the yield of Tretyakovka. Aboveground biomass of Siversky v. was distinguished by an increased content of photosynthetic pigments, a greater variability of the protein and lipid metabolism indicators, and more intense oxidation processes and antioxidant protection, which can be the key to its greater productivity. Multivariate statistical analysis showed that the greatest relationship in the climatic conditions of central Russia in 2020 was found for productivity and such indicators as the stomata number per unit leaf area, the number of stems, and the content of pigments, phospholipids, neutral lipids, and water-soluble part of the protein. Thus, both morphological and physiological-biochemical properties can influence the course and direction of the production process, and, hence, the yield of a certain variety.

[Surgical treatment of patients with renal tuberculosis, complicated by ureteral tuberculosis].

Late diagnosis of renal tuberculosis leads to complications that cannot be eliminated by treatment. A clinical observation of renal tuberculosis, complicated by total ureteral obliteration, in a comorbid patient is presented. He underwent planned bowel substitution of the right ureter. In the postoperative period, pyelonephritis developed, which was resolved by drug therapy. In this case, there is the correct tactics of outpatient urologists. When hydronephrosis was diagnosed, a nephrostomy tube was put, which allowed to preserve the kidney, Then the patient was immediately referred to a phthisiatrician to exclude urogenital tuberculosis. In the local TB dispensary, the patient did not have the opportunity to receive necessary treatment, and he was transferred to the TB Research Institute of Ministry of Health of Russia, where a reconstructive laparoscopic procedure was performed.

[The features of the recurrence of urogenital tuberculosis].

INTRODUCTION: Tuberculosis is an infectious disease, which can result in self-cure, chronic process or relapse course. AIM: To analyze the incidence of recurrence of urogenital tuberculosis and to identify the features of patients with recurrent disease. MATERIALS AND METHODS: Specially developed questionnaires on the structure of the incidence of extrapulmonary tuberculosis in the Siberian Federal District and the Far Eastern Federal District were analyzed. We also studied 140 outpatient medical records of patients with tuberculosis of the urinary tract and male reproductive system, who was followed at the Novosibirsk Regional TB Outpatient Department. The medical records of patients with recurrent disease were analyzed in detail. RESULTS: In 2019, 563 patients with isolated extrapulmonary tuberculosis in the Siberian Federal District and the Far Eastern Federal District were identified, and 14.4% of them had urogenital tuberculosis. In 99 (17.6%) patients, the present state was a relapse, while urogenital tuberculosis occupied 8.1%, and all patients were HIV-negative. In the Novosibirsk Region, 127 out of 140 patients were diagnosed with urogenital tuberculosis for the first time, and in 13 (9.3%) had recurrent disease. Among patients with relapse, male predominated (61.5%). The primary focus of tuberculosis was located in the genitourinary system in 53.9% of patients, which supports the theory of reactivation of dormant foci. In addition, 38.5% of patients with primary episode of tuberculosis were smear-positive. The average relapse time after successful cure of tuberculosis was 9.1 years. Among patients with recurrent urogenital tuberculosis, mycobacteriuria was recorded in 23.1% of cases, and in one case drug resistance of the pathogen to streptomycin and isoniazid was seen. In general, the kidneys were the most susceptible to relapses and were involved in 69.2% of cases. CONCLUSIONS: Nearly 8.1-9.3% of patients with genitourinary tuberculosis had previously tuberculosis and were successfully cured. When urogenital tuberculosis recurs, the kidneys are affected in 69.2% of cases. The overwhelming majority (61.5%) of patients with recurrent genitourinary tuberculosis are men, therefore gender can be considered a predictor of recurrence. HIV infection was found in isolated cases in patients with both newly diagnosed and recurrent urogenital tuberculosis.

Analog of a Quantum Heat Engine Using a Single-Spin Qubit.

A quantum two-level system with periodically modulated energy splitting could provide a minimal universal quantum heat machine. We present the experimental realization and the theoretical description of such a two-level system as an impurity electron spin in a silicon tunnel field-effect transistor. In the incoherent regime, the system can behave analogously to either an Otto heat engine or a refrigerator. The coherent regime could be described as a superposition of those two regimes, producing specific interference fringes in the observed source-drain current.

[Method for evaluating the efficiency of treatment of urogenital tuberculosis].

INTRODUCTION: Methods for evaluating the efficiency of treatment which were developed for pulmonary tuberculosis (absence of bacterial transmission and closure of cavities) are not suitable for urogenital tuberculosis. AIM: To evaluate the use of scoring system for assessing the efficiency of treatment of urogenital tuberculosis. MATERIALS AND METHODS: A pilot simple open-label prospective noncomparative cohort study was carried out, which included 15 patients with urogenital tuberculosis. All patients completed the urogenital tuberculosis score upon admission and after 1 month, along with standard clinical, laboratory and X-ray examinations. We developed this score to objectify evaluate the efficiency of antituberculosis therapy and it includes clinical and laboratory manifestations of urogenital tuberculosis. RESULTS: Eleven (73.3%) patients responded well to standard therapy, and 4 (26.7%) required therapy correction. Considering that the correction of therapy was carried out in a timely manner, the final result of the treatment was satisfactory. The efficiency of the proposed score has been demonstrated by clinical results. CONCLUSION: Using the urogenital tuberculosis score for assessing the results of treatment of urogenital tuberculosis allows timely correction of therapy according to objective criteria.

[New opportunities of using gialuronidase in chronic prostatitis].

INTRODUCTION: The use of hyaluronidase contributes to improvement in microcirculation, destruction of biofilms and reducing of congestion in patients with chronic prostatitis. Based on this mechanism, the use Longidaza for the diagnosis of latent bacterial prostatitis was suggested. AIM: To evaluate diagnostic and treatment capabilities of the long-acting enzyme preparation Longidaza (rectal suppositories with an activity of 3000 IU), prescribed to patients with chronic prostatitis in routine clinical practice. MATERIALS AND METHODS: A total of 39 men with chronic prostatitis of categories II and IIIa were included in open, prospective, non-interventional, comparative, single-center study. A microbiological study of expressed prostate secretion (EPS) was performed three times, at baseline, after using two suppositories Longidaza 3000 IU and after 7 weeks of therapy. From the 1st to the 10th suppository, Longidaza was used every 48 hours, then, from the 11th to the 20th suppository, it was prescribed every 72 hours. The isolation of the pathogen was an indication for the antibiotic therapy. The treatment outcome was evaluated by using NIH-CPSI scale and laboratory and microbiological analysis of EPS. RESULTS: Diagnostic stage. Initially, pathogens were isolated in 27 (69.2%) patients. The number of leukocytes in EPS averaged 25.9+/-2.3. The use of two suppositories Longidaza increased the number of patients with isolated pathogens to 33 (82%). In 7 out 12 patients with an initial diagnosis of abacterial prostatitis, the use of two suppositories of Longidaza contributed to isolation of the pathogen in EPS (58.3%). The number of leukocytes in the EPS after enzymatic provocation increased by 50.2%. Treatment stage. The number of patients with isolated pathogens decreased from 33 to 7 (17.9%). The pain intensity decreased on average to 2.2+/-0.4 points, and in 27 (69.2%) men dysuria resolved. The quality of life significantly improved up to 1.3+/-0.2 points. The total score on NIH-CPSI scale decreased on average from 17.3+/-1.9 to 3.9+/-0.3 (p<0.05). An increased number of white blood cells in EPS was seen only in 5 (12.8%) men. CONCLUSION: In many cases, bacterial prostatitis remains undiagnosed. Rectal suppositories Longidaza can be recommended for the diagnosis of the latent bacterial chronic prostatitis, since this drug contributes to detection of pathogen and inflammation.

[Adjunctive technologies in treatment of patients with urogenital tuberculosis].

INTRODUCTION: Currently, the limits of therapeutic efficiency in urogenital tuberculosis have been achieved. The etiological therapy should be supplement by pathogenetic drugs. AIM: to determine the efficiency of deoxyribonucleate sodium in the complex treatment of patients with urogenital tuberculosis. MATERIAL AND METHODS: Single-center open-label randomized comparative prospective study was carried out. A total of 62 patients with active urogenital tuberculosis were included. All patients received therapy in accordance with National clinical guidelines for urogenital tuberculosis. In the main group, patients additionally received pathogenetic therapy in form of deoxyribonucleate sodium via intramuscular injection of 75 mg every 48 hours. Whole one-month course consisted of 15 injections. Pathogenetic therapy was started immediately after the choosing of anti- tuberculosis drugs and confirmation of good tolerability. The efficiency of treatment was evaluated after one and three months. The assessed criteria included the intensity of pain and severity of dysuria, signs of inflammation, bacterial isolation and changes in the quality of life. CONCLUSION: The addition of deoxyribonucleate sodium in the form of intramuscular injections of 75 mg every 48 hours for 1 months resulted in a significant increase in the efficiency of treatment. Quality of life in patients receiving deoxyribonucleate sodium improved twice (from 11.1 to 21.5 points), while in the control group this value was twice as low (from 10.8 to 15.9 points).

Quantum Interferometry with a g-Factor-Tunable Spin Qubit.

We study quantum interference effects of a qubit whose energy levels are continuously modulated. The qubit is formed by an impurity electron spin in a silicon tunneling field-effect transistor, and it is read out by spin blockade in a double-dot configuration. The qubit energy levels are modulated via its gate-voltage-dependent g factors, with either rectangular, sinusoidal, or ramp radio frequency waves. The energy-modulated qubit is probed by the electron spin resonance. Our results demonstrate the potential of spin qubit interferometry implemented in a silicon device and operated at a relatively high temperature.

DYNAMICS OF INDICES OF OXIDATIVE STRESS IN PATIENTS WITH THYROID GLAND SURGERY DEPENDING ON ITS FUNCTIONAL ACTIVITY.

Hormonal dysfunction of the thyroid gland causes disorder of all kinds of metabolism. Both hypothyroidism, and hyperthyroidism are the causes of imbalance in prooxidant-antioxidant system with the development of pathological process named "oxidative stress". Objective - study of oxidative stress in patients who underwent thyroid gland operation depending on its functional activity and the presence of autoimmune thyroiditis. The intensity of lipid peroxidation was examined by concentration of diene conjugates and malondialdehyde, and the activity of antioxidant system by the level of catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase of red blood cells. It was established that the activity level of the lipid peroxidation system and the activity of antioxidant defense enzymes have their specific characteristics depending on the various functional states of the thyroid gland, as well as on the presence or absence of autoimmune component in the structure of thyroid pathology. All changes occurring in patients with this pathology accompanied by hormonal imbalance and autoimmune thyroiditis, lead to development of chronic nonspecific metabolic endogenous intoxication.

Simulating quantum dynamical phenomena using classical oscillators: Landau-Zener-Stückelberg-Majorana interferometry, latching modulation, and motional averaging.

A quantum system can be driven by either sinusoidal, rectangular, or noisy signals. In the literature, these regimes are referred to as Landau-Zener-Stückelberg-Majorana (LZSM) interferometry, latching modulation, and motional averaging, respectively. We demonstrate that these pronounced and interesting effects are also inherent in the dynamics of classical two-state systems. We discuss how such classical systems are realized using either mechanical, electrical, or optical resonators. In addition to the fundamental interest of such dynamical phenomena linking classical and quantum physics, we believe that these are attractive for the classical analogue simulation of quantum systems.

[Patients with newly diagnosed benign prostatic hyperplasia].

The study aimed to characterize patients with newly diagnosed benign prostatic hyperplasia (BPH) and identify patterns that lead to late diagnosis of the disease. STUDY DESIGN: Simple open retrospective non-comparative study. MATERIAL AND METHODS: To determine the frequency of requests for medical care for BPH, the study analyzed medical records of 3544 patients who sought outpatient urological care at the municipal polyclinic # 26 in Novosibirsk in 2013. Outpatient medical cards of 165 patients with newly diagnosed BPH were analyzed. RESULTS: Among 3544 patients seen by the urologist of the polyclinic, 960 (27.1%) had BPH. Analysis of medical records of 165 men with newly diagnosed BPH showed that the disease was associated with age. The shortest duration of the disease (0.8+/-0.5 years) was noted in patients under 50 years old, the longest (4.7+/-2.1 years) in men over 70 years old. The smallest prostate volume was 32 ml, the largest 150 ml. The mean size of the gland naturally increased with age. The mean PSA level also naturally increased with age: from 1.1+/-0.8 ng/ml in individuals up to 50 years to 3.0+/-0.7 ng/ml in patients older than 70 years. The maximum IPSS was in the 61-70 year age group (16.7+/-5.9 points); the minimum IPSS was in the age group up to 50 years (9.5+/-3.6 points). The duration of the symptoms directly correlated with the prostate volume. At the prostate volume of 60 ml and more, symptom scores showed a 1.5 fold increase. In married patients, the mean IPSS was 13.8+/-5.4, while in single men it was 16.3+/-5.5 (p=0.008). CONCLUSION: Patients with BPH account for 27.1% of all patients seeking urological care at the polyclinic. In young men, symptom severity is lower than that in senior men. However, the elderly are more concerned about their symptoms, they have worse quality of life, and they seek medical attention earlier. Married patients are more likely to see a urologist with significantly less severe symptoms than single men.