bluuebunny/crossref_metadata_2025 huggingface dataset:
Modelling and forecasting stock volatility and return: a new approach based on quantile Rogers–Satchell volatility measure with asymmetric bilinear CARR model
Authors: Tan Shay Kee , Chan Jennifer So Kuen , Ng Kok Haur
Published: June 2021

This paper proposes quantile Rogers–Satchell (QRS) measure to ensure robustness to intraday extreme prices. We add an efficient term to correct the downward bias of Rogers–Satchell (RS) measure and provide scaling factors for different interquantile range levels to ensure unbiasedness of QRS. Simulation studies confirm the efficiency of QRS measure relative to the intraday squared returns and RS measures in the presence of extreme prices. To smooth out noises, QRS measures are fitted to the CARR model with different asymmetric mean functions and error distributions. By comparing to two realised volatility measures as proxies for the unobserved true volatility, results from Standard and Poor 500 and Dow Jones Industrial Average indices show that QRS estimates using asymmetric bilinear mean function provide the best in-sample model fit based on two robust loss functions with heavier penalty for under-prediction. These fitted volatilities are then incorporated into return models to capture the heteroskedasticity of returns. Model with a constant mean, Student-t errors and QRS estimates gives the best in-sample fit. Different value-at-risk (VaR) and conditional VaR forecasts are provided based on this best return model. Performance measures including Kupiec test for VaRs are evaluated to confirm the accuracy of the VaR forecasts.
Religiöse Musikalität in der Moderne – Max Weber
Authors: Bormuth Matthias
Published: June 2021

Max Webers Rede, er sei „religiös unmusikalisch“, ist umstritten. Sie steht methodisch im Horizont seines Konzepts einer „wertfreien“ Wissenschaft, die auf der Annahme subjektiver Werte beruht, ohne welche keine Wissenschaft auskomme. Wertkonflikte und -diskussionen sind deshalb in der pluralisierten Moderne notwendig. Seine besondere, von Ambivalenzen geprägte Affinität zur Religion ist familiär und biografisch bedingt. In der späten Religionssoziologie betont Weber den Konflikt zwischen der erotischen und religiösen Sphäre, beeinflusst – wie sein ediertes Briefwerk zeigt – von lebensgeschichtlichen Erfahrungen.
Gustav Mannerheim in the XXI Century Studies (on a New Book by Henrik Meinander)
Authors:   Institute of Europe, Russian Academy of Sciences, Plevako Natalia
Published: June 2021

The article-review is an analysis of the book by a major Finnish researcher H. Meinander about the life and work of the most prominent military and political figure of Finland, Gustav Mannerheim. Following the author, the reviewer goes through the milestones of Mannerheim's life, analyzing both the convincing and the controversial statements of the historian. The book is written on the basis of various sources and contains polemics with other authors who were engaged in the same subject. The author strove for objectivity, neither embellishing the thoughts and actions of his hero, nor detracting from their meaning and significance, and in many ways achieved his goal. The monograph is divided into chapters that characterize particular periods in Mannerheim's life and consist of separate thematic sections-essays. The result is a dynamically developing picture of the formation of the hero's personality against the background of the most important events in the history of the world, Finland and Russia. The author traces how one of the most important European politicians, who has learned the contradictory experience of the history of the twentieth century, grows out of an aristocrat and a dandy officer. Central to the narrative is the theme "Mannerheim and Russia". Conscientious military service in the Russian Empire, the struggle with Soviet Russia, and, finally, the realization of the need to look for ways to form peaceful relations with a powerful neighbor - this is the evolution of Mannerheim's attitude to our country. A lot of space is also devoted to the problem of Finland's relations with other countries – Sweden, Germany and the United Kingdom. "The lessons of Mannerheim", as they are presented in the book, will be useful for the current and future generations of Finnish and Russian political scientists and political practitioners.
Europe ‒ Latin America: Migratory Space Development
Authors:   Institute of Latin American Studies, Russian Academy of Sciences, Kudeyarova Nadezhda
Published: June 2021

The migration ties between Latin America and Europe at the beginning of the XXI century were manifested in a massive migration flow, resulting in the dramatic growth of the number of South American natives in Europe. The Migratory Space concept is applied to the current stage of transatlantic mobility, which makes it possible to determine the territorial limits of the involved states, to distinguish the transatlantic space from the general panorama of the Latin America migration movement as well as from the European migration context. At the present stage, the South American states are mainly the migration donors, while the European states are recipients. The historical ties between continents, their linguistic commonality and the social networks between migrants contributed to the transatlantic mobility. The majority of the Latin American migrants is localized in Spain and Italy. The high degree of integration into the host communities contributed to generally favorable public opinion about the migrants in the recipient countries. A large-scale migration presence also became an important factor in strengthening economic and political ties in the Iberoamerican Community of Nations.
Risk analysis, practice, and considerations in capital budgeting: Evidence from the field for the bio-based industry
Authors: Abbati de Assis Camilla , Suarez Antonio , Prestemon Jeffrey P. , Stonebraker Jeffrey , Carrillo Carlos , Dasmohapatra Sudipta , Jameel Hasan , Gonzalez Ronalds
Published: June 2021

This study aims to examine how organizations in the bio-based industry perceive risks and perform risk analysis within the capital investment decision-making process. More specifically, this study aims to assess sources of uncertainty commonly considered, identify tools and methods used for risk assessment, and understand how risk analysis is considered in capital budgeting. Eighty-six respondents were electronically surveyed on practices for capital investment risk analysis, including C-suite and upper management from different organization sizes and segments in the bio-based industry. It was found that some forms of risk analysis are utilized either in project assessment and/or for decision making by most respondents; however, qualitative and deterministic assessment practices dominate over probabilistic methods. In addition, risk assessment is most commonly performed in the later stages of a project, with less than 50% of adoption at the earlier stages. Overall, the main sources of uncertainties considered when performing risk assessment are financial, market and sales, and technology, with competition being considered mostly by upper management levels. Additionally, consistent with previous studies in other industry sectors, Internal Rate of Return, Return on Investment, and Net Present Value are the preferred financial indicators used to evaluate capital investments.
Changes in hardwood sawtimber growth, mortality, and removals in the eastern United States
Authors: Luppold William G. , Bumgardner Matthew S.
Published: June 2021

An examination of changes in growth, mortality, and removals of hardwood sawtimber in the eastern United States within the first two decades of the 21st century found large variations among regions and species groups. Changes in growth ranged from a 17% increase in the Lake States region to a statistically insignificant 1% in the Southern region. Most regions had relatively large increases in mortality. High levels of ash (Fraxinus spp.) mortality in the Northeast, Lake States, and Central regions likely were a result of the emerald ash borer (Agrilus planipennis). Hardwood sawtimber removals declined in all regions except the Lake States and Central regions, with the largest relative declines occurring in the Southern and Mid-Atlantic regions. With the exception of ash, there were no indications of immediate declines in eastern sawtimber volume. However, continual increases in mortality, a resurgence of removals, and reduced growth could cause sawtimber volume to plateau in the coming decades. The findings from this study indicated that there likely would be variations in these plateaus among the species groups and regions.
Multifunctional rubber seed biomass usage in polymer technology and engineering: A short review
Authors: Shafiq Mohamad Danial , Ismail Hanafi
Published: June 2021

Hevea brasiliensis is the most relevant source of natural rubber-based products in the world, and it is mostly found in Southeast Asia. This species is highly functional because its seeds can be utilized as a starting material for many essential applications related to polymer engineering and technology. The main practical compositions are its shell and kernel. The importance of each composition is varied based on the content of each structure. The kernel is predominantly composed of oil, where the oil can be utilized for the production of biofuel and to impart flexibility in many polymer-based composites. Furthermore, the carbon and lignocellulosic contents are heavily represented in the shell of the rubber seed, making the shell useful as a natural resource for carbon-derived applications.
Records of chromatic disorder in Molossus molossus and Sturnira bakeri (Chiroptera) from western Ecuador
Authors: Salas Jaime A. , Torres Lissette , Marcillo Karina , Méndez Marcia
Published: June 2021

Herein we report cases of leucism in Molossus molossus and Sturnira bakeri from three locations of lowlands of western Ecuador, which include three gravid females, five juvenile, four subadult, and six adults. The M. molossus specimens showed white spots on several parts in the soft part of body (ears, tragus, propatagium, uropatagium), and fur (throat, abdomen), while individual of S. bakeri presented a whitish-yellowish patch on its dorsal region, very contrast in yellow-shoulder bats. Although South America has a significant information gap about chromatic disorders in bats, been necessary to continue reporting cases of chromatic disorders to try to determine their causes.
First record of the Clam Shrimp Leptestheria venezuelica Daday, 1923 (Crustacea: Brachiopoda: Spinicaudata) from the North of Colombia
Authors: Oliveros-Villanueva Jorge , Fuentes-Reines Juan , Tamaris-Turizo Cesar E. , Serna-Macias Daniel , Eslava-Eljaiek Pedro
Published: June 2021

Large branchiopods has been distributed in temporary waters around the world, but the knowledge about these organisms in Colombia is poorly known, especially leptesteriids, we report a new record of the Clam Shrimp Leptestheria venezuelica Daday, 1923 from the north of Colombia.
Avispas parasitoides Ophioninae (Hymenoptera: Ichneumonidae) del departamento de Arequipa, Perú
Authors: Suarez Rodrigo , Cerdeña Jose , Zumarán Guido , Alvarado Mabel
Published: June 2021

Se determinó la riqueza y composición de especies de avispas parasitoides nocturnas de la subfamilia Ophioninae en el departamento de Arequipa. Se evaluaron 16 localidades, a lo largo de un gradiente altitudinal que va desde el nivel del mar hasta los 4300 m; en cada localidad se realizaron colectas en los meses de marzo y mayo del 2018. Para la evaluación se emplearon trampas de luz. Se registraron 8 especies y 15 morfoespecies correspondientes a los géneros: Alophophion, Enicospilus, Eremotylus y Ophion. La mayor riqueza de Ophioninae se encontró a 3300 m (S = 8). Los géneros Alophophion y Ophion fueron más abundantes en las localidades sobre los 2000 m, Enicospilus fue más abundante en las localidades que se encontraban por debajo de los 1000 m, y Eremotylus solo se registró en una localidad a los 2300 m.
Nós temos livre-arbítrio?
Authors: Da Silva Ângelo Roberto Ilha , Dias Daison Nelson Ferreira
Published: June 2021

Adotei uma abordagem experimental para essa questão. Atos de vontade livre são precedidos por uma mudança elétrica específica no cérebro (readiness potential, RP)3, que inicia 550 milissegundos antes do ato. As pessoas tomaram consciência da intenção de agir 350-400 milissegundos depois do início do RP e 200 milissegundos antes do ato motor. O processo volitivo é, portanto, iniciado inconscientemente. Mas a função consciente ainda poderia controlar o resultado; pode vetar o ato. O livre-arbítrio não é, portanto, excluído. Essas descobertas impõem restrições às visões de como o livre-arbítrio pode operar; não faria iniciar um ato voluntário, mas poderia controlar a realização. As descobertas também afetam perspectivas de culpa e responsabilidade.
Spinoza dans la modernité
Authors:  Ramond Charles
Published: June 2021

Spinoza na modernidade: do reino da quantidade à refundação imanente da democracia
Neste artigo, faz-se um panorama da recepção francesa de Spinoza, de modo a desvelar a dimensão conservadora da filosofia política do autor, na medida em que o determinismo, que geralmente reina sobre o sistema metafísico spinozano, se presta a um compatibilismo com ideias de obediência e liberdade. Nesse sentido, a obediência cética às leis democráticas, ou seja, a obediência à lei da contagem (quantidade) nos liberta e nos emancipa, na medida em que nos liberta de toda transcendência. Parece, portanto, que as democracias contemporâneas, tão atraídas pelos valores republicanos e a dimensão transcendente, ainda têm um longo caminho a percorrer antes de chegar à democracia imanente e formal, que Spinoza chamou de regime absoluto (imperium absolutum).
Dental Caries in 12-Year-Old Schoolchildren who Participate in a Preventive and Restorative Dentistry Program
Authors: Ramírez Karol , Gómez-Fernández Adrián
Published: June 2021

Since 2013, the Faculty of Dentistry of the University of Costa Rica has provided a preventive and restorative oral health program at Carmen Lyra Public School. The first generation of students that received dental care from this project were examined in 2019 for caries status.  A total of 62 twelve-year-old schoolchildren were examined (31 boys and 31 girls). First, all teeth surfaces were cleaned with a brush and then rinsed. Subsequently, examination was performed in each person by a calibrated examiner using the International Caries Detection and Assessment System (ICDAS). Prevalence of dental caries was 59.7%. ICDAS code 2 was the most prevalent (68.8%), followed by 1 (19.3%), 5 (4.5%), 3 (3.5%), 6 (2.5%), and 4 (1.4%). Regarding number of carious surfaces, the highest prevalence was observed in the occlusal surfaces (77.3%), followed by the vestibular (13.9%), mesial (4.2%), palatal/lingual (4,1%) and distal (0.5%). Of these carious surfaces, 7% were caries associated with restorations and were present only on the occlusal surfaces. Boys had more cavities than girls (54.1% compared to 45.9%), however, this difference was not significant. Regarding the condition of restorations in teeth, 92 dental restorations (resin or amalgam) were found in the population studied and were well adjusted. Most of these restorations were found on the occlusal surfaces (82.6%), followed by vestibular surfaces (8.7%,) palatal/lingual (5.4%) surfaces, mesial surfaces (3.3%), and no restorations were detected on the distal surfaces. Sealants were identified in 11.3% schoolchildren; 98% were identified on the occlusal surfaces and the other 2% were found on the palatal/lingual surfaces. DMFT Index was 1.6±0.71. The prevalence of dental caries in this sample was low compared to other studies in twelve-year-old schoolchildren in Costa Rica. This may suggest that the oral health program had a positive impact in the studied population.
Fathers’ and mothers’ enjoyment of childcare: the role of multitasking
Authors: Zannella Marina , De Rose Alessandra
Published: June 2021

Using data from the latest edition of the Italian Time Use Survey (ITUS, 2013–2014), we analyse 31,309 childcare episodes to investigate the relationship betweenmultitasking (i.e., the combination of childcare with housework tasks) and parents’enjoyment of the time they spent on childcare, with a gender perspective. To this end,we rely on information from the episode enjoyment scores the respondents used toevaluate the degree of (un)pleasantness associated with the different activities theyrecorded in a daily diary. These episode enjoyment scores are a novelty in the ITUS,and provide a unique measure of the respondents’ momentary assessments of theirsubjective well-being. Our results highlight the existence of a negative relationshipbetween multitasking and parental well-being when spending time on childcare forboth mothers and fathers, regardless of the nature of the childcare activity theywere performing (i.e., routine or recreational childcare). Our findings add to priorresearch by shedding new light on the role of multitasking as a relevant contextualcharacteristic of care that affects the well-being of fathers, as well as of mothers.
Phytochemical profiling of spiny coriander (Eryngium foetidum L.) – A potential perennial spicing-culinary herb of eastern India
Authors: Acharya Gobinda Chandra , Ponnam Naresh , Kumari Meenu , Roy Tapas Kumar , Shivashankara Kodthalu Seetharamaiah , Sahoo Manas Ranjan
Published: June 2021

Spiny coriander (Eryngium foetidum L.) is a perennial medicinal herb grown in the tropical regions worldwide. In India, it is used as a potential spice for garnishing and flavoring the dishes and treating several ailments. Eryngium spp. found in coastal Odisha, India has a strong aroma similar to the seasonal Coriandrum. The volatile flavor constituents of the unique plants were analyzed through headspace solid-phase microextraction (HS-SPME) using capillary gas chromatography (GC) and gas chromatography-tandem mass spectrometry (GC–MS/MS). The volatile compounds exhibited high chemodiversity, with 10-undecenal as the major component in leaves (44.98%) and branches (57.43%). Fourier-transform infrared (FTIR) spectroscopy identified eight major peaks grouped into six main regions. Chemo profiles of these two corianders were overlapped and showed similar area differences in the spectral peak. The lesser-known perennial Eryngium with high chemodiversity would be a better alternative to the seasonal coriander for aromatic, pharmaceutical, and industrial uses.
SCREENING AND PRILIMINARY STUDY ON MICROBIAL STRAINS WITH INHIBITORY ACTIVITY AGAINST ENZYMES RELATING TO DIABETES IN VIETNAM
Authors: Hoang Chi Kim , Tran Ha Thi Hong , Le Cuong Huu , Tran Quang Ho , Le Huong Mai , Tran Hang Thi Nhu
Published: June 2021

ABSTRACT – HCTN7Microorganisms are considered a rich and potential source for the bioactive guided exploitation of natural products. Commonly used enzyme inhibitors for diabetes treatment hitherto such as α-amylase and α-glucosidase inhibitors are mostly microbial sources derived. The present study was carried out with the aim of screening and questing microbial inhibitors against the most popular diabetes-related enzymes (α-amylase, α-glucosidase and PTP1B) in Vietnam. The investigation results revealed 19 of all 100 tested microbial crude extracts exhibiting inhibitory activity against at least one enzyme. Basing on morphological, physiological, biochemical, and rRNA 16/18S gene sequencing, the phylogeny of the most potent microbial strains was indentfied. The research results contributed confirming the potential of the research for natural compounds from microorganisms, and supported new materials for further studies to exploit medicinal active ingredients from microbial sources.
ON THE CONTRIBUTION FACTORS OF ENHANCED PHOTOCATALYTIC ACTIVITY OF DOPED SEMICONDUCTORS: STRUCTURAL AND OPTICAL INTVESTIGATION OF CU2+ DOPED ZnO NANOPARTICLE
Authors: Nguyen Sang Xuan , Quynh Ta Duy , Anh Luu Thi Lan
Published: June 2021

As a traditional direct bandgap oxide semiconductor, ZnO, showed as a promising photocatalytic candidate. Researchers worldwide reported many possibilities to improve its photocatalytic activity such as doped with metal, non-metal ions. As a result of heterojunction formation between ZnO and its intentional impurity, previous reports showed beneficial characteristics for enhancing photocatalytic activity in these ZnO-based materials, i.e. bandgap narrowing, recombination rate of photoelectron-hole prolonging, visible light absorption improving. This work will present the photocatalytic acitivity improvement of ZnO when doping with ion Cu2+ and try to illustrate the crucial photocatalytic enhancement factors.
OPTIMIZATION OF CULTURE CONDITION FOR IAA RODUCTION BY BACILLUS SP. ISOLATED FROM CASSAVA FIELD OF VIETNAM
Authors: Viet Cuong Pham , Hoa Nguyen Phuong
Published: June 2021

Abstract. The bacteria capable producing IAA were isolated from roots of cassava growing in Tay Ninh region (Southern of Vietnam). The isolate producing highest amount of IAA was chosen for identification and optimization of culture conditions for IAA production. By analyzing 16S rRNA sequence, the selected isolate was identified as Bacillus sp. DTAN-M5. The influence of different parameters on IAA production of this strains was evaluated by “one factor at a time” method and the obtained results showed that the best conditions for IAA production of DTAN-M5 were medium with following components: 1% peptone; 0.5% sucrose , 0.6% yeast extract, 0.5% NaCl, pH 7.1, supplemented with 2mg/L L-tryptophan, incubation in a shaker 150 rpm at 30o C for 84 hours. The maximum amount of IAA was 84,13 µg/mL
EFFECT OF ZNO NANOPARTICLES ON PROPERTIES OF NANOCOMPOSITE COATING BASED ON ACRYLIC POLYMER EMULSION AND GRAPHENE OXIDE
Authors: Dao Phi Hung , Thanh Trinh Van , Hiep Nguyen Anh , Vuong Nguyen Thien , Phuc Mac Van , My Linh Dang Thi
Published: June 2021

Effect of ZnO nanoparticles on nanocomposite coatings based on R4152 and graphene oxide (GO) was studied.In presence of 2%wt. ZnO nanoparticle, abrasion resistance of coating increased by nearly 25% (from 75 to 92.9 L/mil) and temperature decomposition raised by 18oC. SEM images showed that nano ZnO can disperse homogenously in polymer matrix in presence of GO. Hence, photocatalytic activity of R4152/GO/ZnO nanocomposite coating was higher than that of R4152/ZnO nanocomposite coating. After 14 hours UV exposure, R4152/GO/ZnO nanocomposite coating can degrade over 80% methylene blue coated on its surface while 60% methylene blue was degraded by R4152/ZnO coatings.
A NOVEL OF COMPARISON BETWEEN 3D HIGH DEFINITION MAPS CREATED BY PHOTOGRAMMETRY AND LASER SCANNING APPLIED FOR AN AUTONOMOUS VEHICLE
Authors: Ho Nang Xuan
Published: June 2021

In this paper, based on the selected mathematical algorithm, the performing of two methods for building high-resolution 3D maps that are Photographmetry and Laser scanning was analyzed to find out the advantages and disadvantages of each one. The results showed that the high-resolution map constructed by using lidar was more accurate and detailed, whereas the map constructed by using images with coordinates was more intuitive. A mapping method using lidar-camera fusion was proposed in which the detailed roads are created by Lidar and the rest area built by optical imaging method.
Usefulness of a new semiological classification for characterizing psychogenic nonepileptic seizures
Authors: ROSSO Bárbara Ingrid , AVALOS Juan Carlos , BESOCKE Ana Gabriela , GARCÍA Maria del Carmen
Published: June 2021

ABSTRACT Background: Nonepileptic events misdiagnosed as epilepsy lead to a risk of iatrogenic morbidity, which increases health costs. Among the patients affected by nonepileptic events, 11-46% are psychogenic nonepileptic seizures (PNESs). Objective: To investigate the usefulness of the semiological classification of PNESs among patients diagnosed by means of video electroencephalograms (vEEGs). Methods: This was a retrospective review of the medical records of patients admitted to the adult vEEG unit between April 2007 and December 2016, who were diagnosed with PNES that was confirmed through vEEG. Analysis on demographic and clinical data and classification of PNESs according to the Magaudda classification were performed. Results: We identified 143 patients, among whom 31.5% had also epilepsy. According to the Magaudda classification, the events were: hypermotor (58%); subjective symptoms (21.7%); akinetic (14.7%) and focal motor (5.6%). Hypermotor predominated in both genders, followed by subjective symptoms in women (23.9%) and akinetic in men (19.2%). The mean number of antiepileptic drugs (AEDs) prescribed per patient was 2.3. Thirty-two patients (22.4%) required at least one hospitalization for PNESs. 48.3% of the patients had psychiatric comorbidities. Conclusion: The proposed semiological classification of PNESs is a relevant tool that general neurologists can use to characterize these events in their daily practice. Correct use of this classification, together with vEEG and appropriate clinical suspicion, makes it possible to reach an accurate early diagnosis, thus reducing morbidity and, possibly, the high costs associated with PNESs
Arteriopathy in pediatric stroke: an underestimated clinical entity
Authors: PIZZATTO Ronaldo , RESENDE Lucas Lopes , LOBO Carlos Felipe Teixeira , NEVES Yuri Costa Sarno , PAZ José Albino da , ALVES César Augusto Pinheiro Ferreira , LEITE Claudia da Costa , LUCATO Leandro Tavares
Published: June 2021

ABSTRACT Background: Pediatric arterial ischemic stroke (AIS), which was thought to be a rare disorder, is being increasingly recognized as an important cause of neurological morbidity, thanks to new advances in neuroimaging. Objective: The aim of this study was to review the main etiologies of stroke due to arteriopathy in children. Methods: Using a series of cases from our institution, we addressed its epidemiological aspects, physiopathology, imaging findings from CT, MR angiography, MR conventional sequences and MR DWI, and nuclear medicine findings. Results: Through discussion of the most recent classification for childhood AIS (Childhood AIS Standardized Classification and Diagnostic Evaluation, CASCADE), we propose a modified classification based on the anatomical site of disease, which includes vasculitis, varicella, arterial dissection, moyamoya, fibromuscular dysplasia, Takayasu's arteritis and genetic causes (such as ACTA-2 mutation, PHACE syndrome and ADA-2 deficiency). We have detailed each of these separately. Conclusions: Prompt recognition of AIS and thorough investigation for potential risk factors are crucial for a better outcome. In this scenario, neurovascular imaging plays an important role in diagnosing AIS and identifying children at high risk of recurrent stroke.
Telemedicine as support for primary care referrals to neurologists: decision-making between different specialists when guiding the case over the phone
Authors: MANTESE Carlos Eduardo , AQUINO Emanuelle Roberta da Silva , FIGUEIRA Mariana Duque , RODRIGUES Livia , BASSO Josue , RAUPP DA ROSA Priscila
Published: June 2021

ABSTRACT Background: Brazil’s public health system, the largest in the world, faces great challenges in establishing access to specialized care for all Brazilians. “Regula Mais Brasil” is a structuring project from the Ministry of Health that aims to optimize the referral process for specialized care throughout Brazil and uses telemedicine to support primary care physicians. The high demand for support and referrals in the neurology specialty raises questions about what the difficulties and doubts in managing these patients are and whether the training of the coordinating physician influences the orientation and outcome of referral. Methods: In a retrospective analysis on a database, all teleconsultations in the neurology specialty were evaluated. The diagnoses were categorized using the ICD-10 and according to the specialty of the coordinating teleconsultant for multiple comparisons. Results: In total, 1687 teleconsultations were conducted between January 10 and December 2, 2019, in the cities of Belo Horizonte and Porto Alegre and in the Federal District. The most frequent area of doubt for doctors was about epilepsy. After discussion via telemedicine, 25% of the referrals were avoided and the specialty of the teleconsultant physician did not impact the decision made: 72.3, 72.6 and 66.5%, in relation to approval by neurologists, family doctors and other experts, respectively. Conclusion: Increasing access to specialists, not only for patients but also for doctors, helps in achieving early resolution of issues of greater difficulty for primary healthcare doctors, thus resulting in lower numbers of referrals.
Anosognosia in dementia with Lewy bodies: a systematic review
Authors: CALIL Victor , SUDO Felipe Kenji , SANTIAGO-BRAVO Gustavo , LIMA Marco Antonio , MATTOS Paulo
Published: June 2021

ABSTRACT Background: Anosognosia, i.e. lack of awareness of one’s own symptoms, is a very common finding in patients with dementia and is related to neuropsychiatric symptoms and worse prognosis. Although dementia with Lewy bodies (DLB) is the second most common form of degenerative dementia, literature on anosognosia in this disease is scarce. Objectives: This paper aimed to review the current evidence on anosognosia in patients with DLB, including its prevalence in comparison with other neurological conditions, its severity and anatomical correlations. Methods: Database searches were performed in PubMed, Web of Knowledge and PsycINFO for articles assessing anosognosia in DLB. A total of 243 studies were retrieved, but only six were included in the review. Results: Potential risk of selection, comparison or outcome biases were detected in relation to all the studies selected. Most of the studies used self-report memory questionnaires to assess cognitive complaints and compared their results to scores from informant-based instruments or to participants’ cognitive performance in neuropsychological tasks. Subjects with DLB had worse awareness regarding memory than healthy older controls, but the results concerning differences in anosognosia between DLB and Alzheimer’s disease (AD) patients were inconsistent across studies. Presence of AD pathology and neuroimaging biomarkers appeared to increase the prevalence of anosognosia in individuals with DLB. Conclusion: Anosognosia is a common manifestation of DLB, but it is not clear how its prevalence and severity compare with AD. Co-existence of AD pathology seems to play a role in memory deficit awareness in DLB.
Real-world experience of ocrelizumab in multiple sclerosis patients in Latin America
Authors: ROJAS Juan Ignacio , PATRUCCO Liliana , FRUNS Manuel , HORNUNG Giesela , FLORES José , CARNERO CONTENTTI Edgar , LOPEZ Pablo Adrian , PETTINICCHI Juan Pablo , CARIDE Alejandro , GALLEGUILLOS Lorna , BARAHONA Jorge , DIAZ Violeta , HERNÁNDEZ Marianella , ALONSO Ricardo , CRISTIANO Edgardo
Published: June 2021

ABSTRACT Background: Despite the abundance of information concerning ocrelizumab in phase III clinical trials, there is scarce evidence regarding real-world patient profiles. Objective: The aim of this study was to investigate patient profiles, effectiveness and persistence with treatment among patients who used ocrelizumab for treatment of multiple sclerosis in Latin America. Methods: This was a retrospective multicenter study in Argentina, Chile and Mexico. Medical record databases on patients who received ocrelizumab were analyzed. Demographic and clinical variables were described, along with effectiveness outcomes, which included the proportions of patients free from clinical relapses, from disability progression and from new or enlarging T2 or T1 gadolinium-enhancing lesions, on annual magnetic resonance imaging. Results: A total of 81 patients were included. The most frequent phenotype was relapsing-remitting MS, in 64.2% of the patients. The mean age at study entry was 41.3 ± 12.0 years and 51.8% were women. A total of 38% had had relapse activity during the 12 months before starting on ocrelizumab, with a mean relapse rate of 1.3 ± 0.6 during that period. 75% were free from clinical relapses and 91% were free from gadolinium-enhancing lesions in the relapsing-remitting course. Ocrelizumab discontinuation during the first 12 months was observed in three patients (3.7%). The mean persistence observed during the first-year follow-up was 338 ± 24 days. Conclusions: Our study is in line with previous randomized clinical trials and recent real-world studies describing patient profiles, effectiveness and persistence regarding ocrelizumab treatment in multiple sclerosis patients in Latin America.
Electroencephalographic findings among inpatients with COVID-19 in a tertiary hospital from a middle-income country
Authors: CORAZZA Luíza Alves , TATSCH João Fellipe Santos , BARROS Maraysa Pereira , QUEIROZ Apolônio Peixoto de , BATISTA Luana Lôbo Ribeiro , AIDAR Mariana Barbosa , BALDOCCHI Meire Argentoni , ROCHA Maria Sheila Guimarães , BRUCKI Sonia Maria Dozzi
Published: June 2021

ABSTRACT Background: In 2019, the world witnessed the emergence of a new type of coronavirus - the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The spectrum of coronavirus disease 2019 (COVID-19) is variable, and amongst its manifestations are neurological implications. Objective: This report aimed to describe electroencephalographic findings in COVID-19 patients from a general tertiary hospital in São Paulo, Brazil. Methods: It was a retrospective, observational, and non-interventional study. Data were collected anonymously, comprising inpatients from Mar 1 to Jun 30, 2020, either confirmed (positive RT-PCR) or probable cases (CO-RADS 4/5) who had performed EEG during hospitalization. Results: Twenty-eight patients were enrolled, 17 (60.7%) women and 11 men, with a median age of 58 (minimum and maximum: 18-86; IQR 23.5). COVID-19 diagnosis was confirmed in 22 (78.5%). Twenty-one patients (75%) had severe disease, requiring mechanical ventilation due to acute respiratory distress syndrome (ARDS); 16 (57.1%) patients developed adjunct sepsis throughout hospitalization. There was no specific pattern found for COVID-19 in EEG. No patients presented with status epilepticus or electrographic events; most patients developed an encephalopathic pattern, as seen in most studies, with a high prevalence of altered mental status as an indication for EEG. Adjunct sepsis was associated with higher mortality. Conclusions: EEG presents as a useful tool in the context of COVID-19, as in other conditions, to differentiate nonconvulsive status epilepticus (NCSE) from encephalopathy and other causes of mental status alterations. Further studies are required to analyze whether there might be a specific EEG pattern to the disease.
Theoretical nursing conceptions in hospitalized child care: scoping review
Authors: Loureiro Fernanda Manuela , Antunes Ana Vanessa dos Reis Ameixa , Charepe Zaida Borges
Published: June 2021

ABSTRACT Objective: Identify the theoretical concepts that have been used in the context of nursing care for hospitalized children. Methods: Scoping review was carried out according to the PRISMA-ScR methodology. The research limitations included: primary studies dealing with the use of theoretical concepts of nursing in the provision of care to hospitalized children, access in full text, in Portuguese or English and published between 2000 and 2019. Research was carried out on grassroots platforms (EBSCOhost, PubMed, SciELO and Web of Science), gray literature and in the bibliography of selected articles. Results: 21 studies were found and 10 theoretical conceptions of nursing were identified, with family-centered care being the most used. Final considerations: The variability of the identified theoretical conceptions is emphasized, with no evidence to support the use of one in detriment of the other. A more integrative theoretical conception, which adds care centered both on the family and the child, emerges as a research trend.
Data collection instrument for hematological diseases in na outpatient setting: a validation study
Authors: Rodrigues Silvana Maria Nunes , Rodrigues Andrea Bezerra , Gurgel Luilma Albuquerque , Abreu Leidy Dayane Paiva de , Souza Gabriela Lacerda
Published: June 2021

ABSTRACT Objectives: to build and validate a data collection instrument for onco-hematological patients undergoing outpatient chemotherapy. Methods: methodological study that aimed to build a scientifically consistent data collection instrument to evaluate hematological patients. There were five stages: identification of empirical indicators, evaluation of empirical indicators by focus group, construction of the instrument, content validation by judges and clinical validation. Built based on the Theory of Basic Human Needs of Horta, adjusted by Garcias and Cubas. Results: the built instrument contains data on patient identification, perception and expectations related to the disease, assessment of psychobiological, psychosocial and psychospiritual needs. It reached 95% CVI, ensuring the instrument’s content validity and Cronbach’s alpha test with a reliability of 0.93. Conclusions: the instrument is a valid technology to assist nurses in data collection and may serve as a tool for onco-hematological nursing care, teaching and research.
Limb ischemia in patients with COVID-19
Authors: Oliveira Julio Cesar Peclat de , Araujo Walter Jr. Boim , Belczak Sergio Quilici , Erzinger Fabiano Luiz , Oliveira Lucas Maia Peclat de , Marques Marcos Arêas , Sarquis Lucas Mansano , Gutfilen Bianca
Published: June 2021

Abstract This narrative review covers the life-threatening thromboembolic events associated with SARS-CoV-2 infection/COVID-19. It addresses the physical changes that cause vascular and arterial damage to limbs, laboratory management of coagulation, and management of anticoagulation. COVID-19’s relationship with deep venous thrombosis and arterial thrombosis is also emphasized. The main thromboembolic events described in the literature are illustrated with examples from our experience with COVID-19 patients.
Prevalence and risk indicators of peri-implantitis after 8 to 10 years of function
Authors: MARCANTONIO Cláudio , NÍCOLI Lélis Gustavo , MALZONI Carolina Mendonça de Almeida , SUSIN Cristiano , MARCANTONIO JUNIOR Elcio , ZANDIM-BARCELOS Daniela Leal
Published: June 2021

Abstract Introduction The investigation of peri-implant diseases risk indicators helps to prevent and target treatment techniques. Objective The aim of this cross-sectional study was to determine the occurrence of peri-implantitis and its potential risk indicator factors, besides to assess the long-term success and survival rates of dental implants after 8 to 10 years of function. Material and method For this, fifty individuals who had received their implant-supported rehabilitation between 2003 and 2005 were included. Data regarding demographics, medical and dental history were collected and a complete clinical examination was performed. Multivariate analysis was used to identify potential risk indicator factors related to the occurrence of peri-implantitis. Overall, 211 implants had been placed; 197 were in function, 9 were still submerged, and 5 had been lost. Result Success and survival rates were 81.5% and 97.6%, respectively. Peri-implant mucositis affected 77.1% of subjects and 52.3% of implants. Peri-implantitis was diagnosed in 14 individuals (29.2%) and 25 implants (12.7%). Subjects with osteoporosis (OR = 2.84) and generalized bleeding on probing (OR = 8.03) were significantly associated with higher odds of peri-implantitis. At the implant level, visible plaque (OR = 4.45) and deep probing depths (OR = 4.47) were significantly associated with peri-implantitis. Conclusion Through these results, our study suggests that osteoporosis and generalized periodontal/peri-implant mucosa inflammation increase the likelihood of peri-implantitis.
Women's satisfaction with childbirth and postpartum care and associated variables
Authors: Navas Arrebola Rocío , Peteiro Mahía Laura , Blanco López Susana , López Castiñeira Noelia , Seoane Pillado Teresa , Pertega Díaz Sonia
Published: June 2021

ABSTRACT Objective: To determine the level of satisfaction with childbirth and the postpartum period. Method: This is a longitudinal, observational study. Clinical variables of the patients and delivery were collected, and a descriptive and inferential analysis was performed. The validated state-trait anxiety inventory (STAI) and the satisfaction survey Care in Obstetrics Measure For Testing Satisfaction Scale (COMFORTS) in Spanish were used. Results: A total of 381 women was included in the study and grouped into satisfied vs. dissatisfied (94.54% vs. 5.46%). Women having given birth by eutocic delivery (p = 0.005), as well as those who had skin-to-skin time with their newborn (p = 0.012) after delivery, report more satisfaction. Mothers who were separated from their babies reported being less satisfied (p = 0.004), as did those who did not meet the expectations raised in the birth plan (p = 0.013). All the women with minimal anxiety are satisfied (p = 0.004), the same happening for those showing postpartum anxiety (p <0.001). Conclusion: The percentage of satisfied women is high; it is necessary to monitor childbirth and postpartum care, promoting good practices in childbirth care, as well as in women's emotional well-being.
CHARLOTTE SMITH’S “BEACHY HEAD” AS A SPACE OF CONTRASTS
Authors: ALTUNSOY Şafak
Published: June 2021

This study concerns itself with the analysis of “Beachy Head” by Smith from the respect of prevalent contradicting forces such as Nature and culture or the historical time and the mythical past in the poem. The long narrative structure of the poem enables to present different voices reflecting the poet’s ideological stance towards the contemporary issues in her time and exemplifies the excluding attitude of the ones representing the Neoclassical values. The study, in this regard, tries to clarify the functionality of the contrasts in the poem and their influence on the possible meanings of the text. The tension and the Sublime in the poem appear in the way that the speaker observes Nature and her surroundings in order to grasp the circulations in the natural world and her private sphere. Accordingly, the concepts of time and place lead to alternative spatial and temporal experiences for the poetic persona. Then, the text also turns into a space in which the persona confronts not only the bloody history of humanity but also the consoling past experiences she has lost by integrating into the cultural world. The study concludes that “Beachy Head” goes beyond its geographical and natural qualities by offering both a corporeal journey and visionary progress for the poetic persona through certain dichotomies constructed and deconstructed throughout the text.
RADAR CHARACTERISTICS OF CLOUD SYSTEMS DURING HEAVY RAIN EVENTS
Authors:   Saint Petersburg State University, Kostarev Sergey V. , Vetrov Andrey L. ,   Perm State University, Sivkov Bogdan A. ,   Perm State University, Pomortseva Anna A. ,   Perm State University
Published: June 2021

The paper analyzes radar characteristics of mesoscale precipitation systems associated with heavy precipitation in Western Urals. The characteristics under study, obtained from the Doppler weather radar, include the maximum height of the radar echo of clouds and precipitation, meteorological phenomena, speed and direction of the radar echo movement. An attempt was made to classify mesoscale precipitation systems with respect to their horizontal scales and geometrical features as well as precipitation patterns. Statistical features of radar characteristics of cloud systems causing heavy rain were calculated taking into account their classification by horizontal scales. Radar meteorological characteristics were obtained from instruments in the Izhevsk city and Ufa city for the warm period of 2016–2017. The results can be used during nowcasting of heavy precipitation events.
NETWORK OF PROTECTED NATURAL AREAS IN THE PERM REGION
Authors:   Perm State University, Buzmakov Sergey A.
Published: June 2021

The paper considers the modern network of protected natural areas in the Perm region. The study determines the current status of the network and the priorities of its geographical formation; investigates representation of six natural areas in the network; identifies the role of protected areas in biodiversity conservation. Based on the regional method, the degree of the protected areas natural environment degradation has been established. The network of protected areas consists of 361 objects of federal, regional and local significance. The total area reaches 10.7% of the Perm region‘s territory. The main component of the network is represented by 257 protected areas of regional importance. In the region, 6 natural areas have been identified: middle taiga, southern taiga, mixed coniferous-deciduous forests, Kungur forest-steppe, Western Urals, Northern Urals. Theinternational level of the protected areas network development has only been achieved in the Northern Urals. The share of protected areas in the middle taiga is higher than the average Russian level; for mixed coniferous-deciduous forests, it is close to the average Russian level. The least protected are southern taiga (4.8%) and forest-steppe ecosystems (3.8%). The most disastrous is conservation of the natural environment of the Kungur forest-steppe. There is a very small number of forest-steppe areas suitable for creating full-fledged protected areas. 89 rare species of biota inhabit the protected areas. All mammals, reptiles, amphibians, fish and invertebrates that are rare for the Perm region are covered with complete protection. Outside the network of protected areas, there are habitats of 7 species of birds, 21 species of angiosperms, 1 species of the fern-like, lycopods and lichen. On this basis, it is possible to develop territorial protection measures. The average environmental degradation of regional protected areas in the Perm region as a whole is 1.45 points. The degradation of protected areas is increasing in the series: middle taiga – Northern Urals – southern taiga – Western Urals – mixed coniferous-deciduous forests – Kungur forest-steppe.
FIELD STUDIES OF THE OKA RIVER BANK EROSION IN 2014–2018 BY THE EROSIONAL PINS METHOD
Authors:   S.A. Yesenin Ryazan State University, Vorobyov Aleksey Yu. , Kadyrov Aleksandr S. ,   S.A. Yesenin Ryazan State University
Published: June 2021

In 2014–2018, within the middle part of the Oka River basin, on narrowed and widened sections of its floodplain, were conducted studies of the retreat rate of the channel steep banks. The method of erosional pins was used to determine the rate of changes in the floodplain edge contours on active bank slopes – sections of the relatively straight and meandering Oka channel. We established that in 2014–2017, with low floods, at the level of the lower and middle intervals of channel-forming discharges, lateral erosion was determined not so much by fluvial relief formation as by slope and anthropogenic processes. After the recession of the 2018 flood, which was close in its level and discharge to the average annual values, there was a significant intensification of the bank retreat under the direct influence of the flow and more frequent formation of hollows. The annual data and integrated research results over the five-year period indicate a significant predominance of longitudinal horizontal channel deformations and a slowdown in the rate of transverse deformations, especially in dry years. The significant role of the anthropogenic and slope components in lateral erosion of the Oka channel banks has been established.