Fluorine distribution during thermal treatment of sulfuric acid leaching products of complex beryllium raw materials at JSC UMP

X-ray diffraction, infrared spectroscopy, thermogravimetry and mass spectrometry were employed to study the behavior and distribution of fluorine in sulfuric acid treatment of the melt of beryl-bertrandite-phenakite-fluorite concentrates with alkali fluxes. It was established that fluorine in a solid phase is predominantly present in the form of sodium and calcium fluorosilicates and in a gaseous phase it is evolved in the form of silicon tetrafluoride and fluorosulfonic acid

Красноярская ярмарка книжной культуры - 2012

On the 6th Krasnoyarsk Book Culture Fair, held on October 31 - November 2, 2012, the key theme of which was “The cultural development of the North”. The Participation of the Russian state library in the largest forum of publishers and book distributors is shown in the article.О VI Красноярской ярмарке книжной культуры, состоявшейся 31 октября - 2 ноября 2012 г., темой которой стало «Культурное освоение Севера». Участие Российской государственной библиотеки в крупнейшем форуме издателей и книгораспространителей

Качество жизни взрослых больных муковисцидозом: факты и гипотезы

With spectacular progress of cystic fibrosis (CF) treatment, a majority of patients come of age and reach adulthood, so the problem has arisen of their social and psychological adaptation to adult community life.The present study monitors the quality of life (QL) of adult CF patients, compares the obtained results with respective indices of a control group and bronchial asthma (BA) patients, and evaluates the correlation between CF patients' QL and other clinical indices.Involved in the study were 16 CF patients, five of which were receiving intravenous antibacterial treatment on an outpatient arrangement; 31 BA patients and 31 respondents of the control group. QL was evaluated on a Russian-language version of the questionnaire SF36.The study revealed a significant QL reduction in the CF group on the following entries: physical activity (PA) (p<0.05), general health (GH) (p<0.001), vitality (V) (p<0.05), and mental health (p<0.001). Female patients’ QL was graphically below male in V (p<0.05). Social activity (SA) and mental health were notably higher (p<0.05) with CF outpatients receiving intravenous antibacterial therapy. The intellectual QL of CF patients’ labour was directly related to SA (r=0.56, p<0.05). A similar direct correlation was observed between GH and FEV1(% predicted) (r=0.51, p < 0.05). QL proved to have no correlation to the length of disease and body mass index. All QL indices except pain and PA were notably higher in CF than BA. The results show an adverse impact of CF on adult patients' QL, more pronounced in women than men. Home antibacterial therapy has beneficial social and mental effects. CF has a smaller impact on QL than BA.Значительные успехи в лечении муковисцидоза (MB) привели к тому, что в течение последних лет большинство больных MB достигают совершеннолетия, переходят ко взрослой жизни. В связи с этим возникает вопрос о степени их психосоциальной адаптации к условиям взрослого общества.Целью данного исследования было определение качества жизни (КЖ) взрослых больных MB, сравнение полученных результатов с аналогичными показателями в контрольной группе и у больных бронхиальной астмой (БА), а также оценка взаимосвязи показателей КЖ с другими клиническими показателями при MB.В исследовании приняли участие 16 больных MB, 5 из которых получали внутривенную антибактериальную терапию в домашних условиях, 31 больной БА и 31 респондент, составившие контрольную группу. Для оценки КЖ применялась русскоязычная версия общего опросника SF36.Проведенное исследование выявило достоверное снижение качества жизни в группе больных МВ по критериям “физическая активность" (ФА) (р<0,05), "общее здоровье” (03) (р<0,001), “жизнеспособность” (ЖС) (р<0,05) и “психическое здоровье” (ПЗ) (р<0,001). Женщины, больные МВ, имели достоверно большее снижение уровня ЖС, чем мужчины (р<0,05). Обнаружены достоверно более высокие (р<0,05) уровни социальной активности (СА) и ПЗ у больных МВ, проводящих домашнюю внутривенную антибактериальную терапию. Степень интеллектуальности труда больных МВ имеет прямую корреляцию с их СА (г=0,56, р<0,05), также прямая корреляционная связь обнаружена между уровнем 03 и ОФВ1 в процентах от должного (р=0,51, р<0,05). Длительность заболевания и индекс массы тела больных МВ не имели корреляционной зависимости с уровнем КЖ. Установлен достоверно более высокий уровень всех показателей КЖ (кроме боли и ФА) больных МВ по сравнению с БА.Полученные результаты свидетельствуют о том, что МВ оказывает отрицательное влияние на КЖ взрослых больных, при этом КЖ женщин подвержено большему влиянию болезни, чем КЖ мужчин; организация домашних курсов антибактериальной терапии благоприятно влияет на социальную и ментальную сферы больных МВ. Отрицательное воздействие МВ на КЖ меньше, чем таковое при БА

Ранняя эрадикация синегнойной инфекции при муковисцидозе

Severe pulmonary disease in patients with cystic fibrosis (CF) is defined by the airway Pseudomonas aeruginosa infection. P.aeruginosa has still being the leading pathogen which causes progressive respiratory disease and poor prognosis in CF. Adequate and timely treatment of the initial Pseudomonas acquisition could prevent transformation to the chronic infection. This review was aimed at descripting the current antibacterial regimens for early eradication in cases of the initial and recurrent P.aeruginosa acquisition and at discussing factors affecting the treatment efficacy. The early eradication of P.aeruginosa is necessary and extremely important in CF patients. The aggressive pharmacological therapy together with early detection and subsequent microbiological control plays the leading role for the early eradication. The first-line therapy after the initial pathogen acquisition is inhaled tobramycin.Известно, что тяжелое течение бронхолегочного процесса у больных муковисцидозом (МВ) определяется инфицированием дыхательных путей Pseudomonas aeruginosa, который в настоящее время остается ведущим патогеном, определяющим прогрессирующее поражение бронхолегочной системы и прогноз заболевания в целом. Показано, что адекватное и своевременное лечение первичного высева P. aeruginosa может препятствовать переходу инфекции в хроническую форму. Целью данной обзорной статьи явилась демонстрация современных схем антибактериальной терапии для ранней эрадикации первичного и повторного высева P. aeruginosa, а также факторов, влияющих на их эффективность. Показано, что при МВ ранняя эрадикация синегнойной инфекции при ее первичном высеве является необходимым и чрезвычайно важным мероприятием. Кроме организационной составляющей, которая должна включать раннее выявление и последующий микробиологический контроль P. aeruginosa, ведущая роль принадлежит медикаментозной агрессивной терапии. Установлено, что для эрадикации первичного высева P. aeruginosa препаратом первой линии является ингаляционный тобрамицин

Specific features of designing a database for neuro-oncological 3D MRI images to be used in training artificial intelligence

The research was aimed at analyzing current approaches to the organization and design methodology of visualization database built on the basis of computer vision. Such approaches are necessary for effective development of diagnostic systems using artificial intelligence (AI). A training data set of high quality is a mandatory prerequisite for that. Material and methods. The paper presents the technology for designing an annotated database (SBT Dataset) that contains about 1000 clinical cases based on the archived data acquired by the Federal Neurosurgical Center, Novosibirsk, Russia including data on patients with astrocytoma, glioblastoma, meningioma, neurinoma, and patients with metastases of somatic tumors. Each case is represented by a preoperative MRI. The Results and Discussion. The dataset was built (SBT Dataset) containing segmented 3D MRI images of 5 types of brain tumors with 991 verified observations. Each case is represented by four MRI sequences T1-WI, T1C (with Gd-contrast), T2-WI and T2-FLAIR with histological and histochemical postoperative confirmation. Tumors segmentation with verification of the tumor core elements boundaries and perifocal edema was approved by two certified experienced neuroradiologists. Conclusion. The database built during the research is comparable in its volume and quality (verification level) with the state-of-the-art databases. The methodological approaches proposed in this paper were focused on designing the high-quality medical computer vision systems. The database was used to create artificial intelligence systems with the “physician assistant” functions for preoperative MRI diagnostics in neurosurgery

Whole exome sequencing links dental tumor to an autosomal-dominant mutation in ANO5 gene associated with gnathodiaphyseal dysplasia and muscle dystrophies

Tumors of the jaws may represent different human disorders and frequently associate with pathologic bone fractures. In this report, we analyzed two affected siblings from a family of Russian origin, with a history of dental tumors of the jaws, in correspondence to original clinical diagnosis of cementoma consistent with gigantiform cementoma (GC, OMIM: 137575). Whole exome sequencing revealed the heterozygous missense mutation c.1067G \u3e A (p.Cys356Tyr) in ANO5 gene in these patients. To date, autosomal-dominant mutations have been described in the ANO5 gene for gnathodiaphyseal dysplasia (GDD, OMIM: 166260), and multiple recessive mutations have been described in the gene for muscle dystrophies (OMIM: 613319, 611307); the same amino acid (Cys) at the position 356 is mutated in GDD. These genetic data and similar clinical phenotypes demonstrate that the GC and GDD likely represent the same type of bone pathology. Our data illustrate the significance of mutations in single amino-acid position for particular bone tissue pathology. Modifying role of genetic variations in another gene on the severity of the monogenic trait pathology is also suggested. Finally, we propose the model explaining the tissue-specific manifestation of clinically distant bone and muscle diseases linked to mutations in one gene

High sleep reactivity: clinical, psychological and polysomnographic features

Background. The model of sleep reactivity to stress considers sleep reactivity to stress as a link in the pathogenesis of insomnia disorder – the degree to which stress disturbs sleep, which manifests as difficulty in initiating and maintaining sleep.The aim. To study clinical and psychological features as well as subjective and objective sleep indexes of subjects with high level of sleep reactivity to stress.Materials and methods. The psychological status, subjective indexes of sleep and sleep reactivity to stress according to Ford Insomnia Response to Stress Test were studied among 18–75 year-old subjects without significant sleep disturbances and patients with chronic insomnia. Polysomnography was performed for objective evaluation of sleep parameters.Results. It was found that individuals with high levels of sleep reactivity to stress were characterized by high levels of anxiety, restlessness, and neuroticism. According to results of Pittsburg questionnaire, a lower quality of sleep was revealed. These findings were correlated with objective indexes of sleep according to polysomnographic studies: less deep sleep and its lower efficiency due to sleep disturbances.Conclusions. Individuals with high sleep reactivity to stress are characterized by greater anxiety combined with subjective and objective sleep disturbance like insomnia type

Интенсивная терапия при муковисцидозе взрослых

.