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Abstract <p>The relevance of the study is determined by the high prevalence of symptoms of the lower urinary tract, as well as the search for new intersystem relationships in the implementation of the accumulative evacuation function of the bladder using modern diagnostic methods and highlighting criteria for early diagnosis of these disorders. Based on the results of current preventive examinations, including the recommendations of the American Continence Society (ACS), urination diaries for 3 days, a survey of lower urinary tract symptoms on the I-PSS scale, and quality of life assessments (QOL) were completed. Three groups of young males were created: normal (183 people, average age 27.3 ± 1.5 years), borderline (52 people, average age 26.8 ± 1.7&#xa0;years), and increased urination rhythm (total 53 people, average age 28.1 ± 1.8 years). Additionally, the individual volume of habitual physical activity (HPA) (mobile application on the Android and Apple platforms) was assessed. Combined positron emission and computed tomography (PET/CT) with a total mathematical calculation of the standardized capture level of maximum standardized uptake value (<i>SUV</i><sub>max</sub>), the maximum indicator of the degree of accumulation of radiopharmaceuticals in the selected area of interest by various brain zones <sup>18</sup>F-FDG, <sup>11</sup>C-methionine, and <sup>11</sup>C-choline was performed in different functional phases of bladder function (filling, urination, and after emptying) on a Biograph machine (Siemens, Germany). As a result of the studies, quantitative and qualitative characteristics were given to the energy metabolism of the brain in the process of implementing the storage and evacuation functions of the bladder in young people with normal, borderline, and frequent urination rhythms. The consistent functional activity of the most significant sections (anterior and posterior cingulate cortex, paracentral lobule, thalamus, insula) in different phases of urination has been established, and on this basis, a standard model of the central regulation of the storage-evacuation function of the bladder has been proposed.</p>

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Mechanisms of Urine Formation and Transport. Message 1. Features of the Functional Activity of the Brain during the Implementation of the Storage-Evacuation Function of the Bladder in Young People with Different Urination Rhythms

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • E. V. Sapozhenkova,
  • V. V. Kolpakov,
  • V. B. Berdichevsky,
  • E. A. Tomilova

摘要

Abstract

The relevance of the study is determined by the high prevalence of symptoms of the lower urinary tract, as well as the search for new intersystem relationships in the implementation of the accumulative evacuation function of the bladder using modern diagnostic methods and highlighting criteria for early diagnosis of these disorders. Based on the results of current preventive examinations, including the recommendations of the American Continence Society (ACS), urination diaries for 3 days, a survey of lower urinary tract symptoms on the I-PSS scale, and quality of life assessments (QOL) were completed. Three groups of young males were created: normal (183 people, average age 27.3 ± 1.5 years), borderline (52 people, average age 26.8 ± 1.7 years), and increased urination rhythm (total 53 people, average age 28.1 ± 1.8 years). Additionally, the individual volume of habitual physical activity (HPA) (mobile application on the Android and Apple platforms) was assessed. Combined positron emission and computed tomography (PET/CT) with a total mathematical calculation of the standardized capture level of maximum standardized uptake value (SUVmax), the maximum indicator of the degree of accumulation of radiopharmaceuticals in the selected area of interest by various brain zones 18F-FDG, 11C-methionine, and 11C-choline was performed in different functional phases of bladder function (filling, urination, and after emptying) on a Biograph machine (Siemens, Germany). As a result of the studies, quantitative and qualitative characteristics were given to the energy metabolism of the brain in the process of implementing the storage and evacuation functions of the bladder in young people with normal, borderline, and frequent urination rhythms. The consistent functional activity of the most significant sections (anterior and posterior cingulate cortex, paracentral lobule, thalamus, insula) in different phases of urination has been established, and on this basis, a standard model of the central regulation of the storage-evacuation function of the bladder has been proposed.