bluuebunny/crossref_metadata_2025 huggingface dataset:
Manejo de la nutrición de café. Consideraciones para Norte de Santander
Authors: Sadeghian Siavosh
Published: October 2022

Plantaciones de café bien nutridas producen más y su calidad es superior frente a aquellas con una nutrición deficiente. En esta presentación se responden a las siguientes preguntas: ¿Cuáles órganos de la planta son necesarios para producir café? ¿Cuáles órganos de la planta requieren nutrientes para su crecimiento? ¿Qué cantidad de nutrientes extrae del suelo un cultivo de café? ¿Cuánto tiempo se requiere para obtener una cosecha? ¿Cuál es la época de mayor demanda de nutrientes por los frutos? ¿Qué se persigue con la fertilización? ¿En cuánto disminuye la producción si no se fertiliza? ¿Cuál puede ser un plan de nutrición de café en la etapa de levante? ¿Cuál puede ser un plan de nutrición de café en la etapa de producción? ¿Cuáles fertilizantes son adecuados para el café? ¿Cuáles son los aspectos económicos a tener en cuenta en el momento de comprar los fertilizantes? ¿Cuánto fertilizante se necesita para suministrar 300 kg ha-año-1 de nitrógeno y cuánto cuesta? ¿Cuáles son los primeros indicadores para definir las épocas de la fertilización? ¿Dónde y cómo se deben aplicar los fertilizantes? Por último, y con base en los resultados de 1.500 análisis de suelos, se hace un diagnóstico de la fertilidad de los suelos de la zona cafetera de Norte de Santander y se comenta que en el 70% de los casos se presentan condiciones de acidez para café, en el 50% altos contenidos de aluminio, en el 80% bajos niveles de materia orgánica y de nitrógeno, en el 50% bajos contenidos de fósforo, en el 35% deficiente en calcio y en el 45% bajos niveles de magnesio.
The Evolution of the Optical Spectrum of V455 Andromedae throughout the 2007 Superoutburst
Authors: Tovmassian Gagik , Gänsicke Boris T. , Echevarria Juan , Zharikov Sergey , Ramirez Abdiel
Published: October 2022

V455 And is a dwarf nova with a short orbital period, close to the orbital period minimum. The object underwent its first detected outburst in 2007, brightening from around V = 16.5 all the way to magnitude 8. Outbursts of such amplitude occur exclusively in dwarf novae with short periods (typically P
orb ≲ 90 minutes) and are called superoutbursts. The recurrence time of superoutbursts is long (decades), hence only very few have been studied in detail. We succeeded in observing the entire superoutburst of V455 And spectroscopically from the rise to the decline with unprecedented detail. While the light curve of the object throughout the outburst does not seem to differ much from other dwarf novae, its spectroscopic behavior is strikingly different during the transition stage from the absorption-dominated lines to the strong emission one during the rise. We interpret the emergence of the strong emission lines with little radial velocity variations during the superoutburst as evidence of wind from the evaporating disk in this high-inclination system. The evolution of the line profiles from wide to narrow peak separation during the rise, and back at the decline, matches models showing that the peak separation is a function of optical depth in the lines.
Most Planets Might Have More than 5 Myr of Time to Form
Authors: Pfalzner Susanne , Dehghani Shahrzad , Michel Arnaud
Published: October 2022

The lifetime of protoplanetary disks is a crucial parameter for planet formation research. Observations of disk fractions in star clusters imply median disk lifetimes of 1–3 Myr. This very short disk lifetime calls for planet formation to occur extremely rapidly. We show that young, distant clusters (≤5 Myr, >200 pc) often dominate these types of studies. Such clusters frequently suffer from limiting magnitudes leading to an over-representation of high-mass stars. As high-mass stars disperse their disks earlier, the derived disk lifetimes apply best to high-mass stars rather than low-mass stars. Including only nearby clusters (<200 pc) minimizes the effect of limiting magnitude. In this case, the median disk lifetime of low-mass stars is with 5–10 Myr, thus much longer than often claimed. The longer timescales provide planets ample time to form. How high-mass stars form planets so much faster than low-mass stars is the next grand challenge.
Possible Atmospheric Water Vapor Contribution from Martian Swiss Cheese Terrain
Authors: Innanen Alex C. , Landis Margaret E. , Hayne Paul O. , Moores John E.
Published: October 2022

Mars’s south polar residual cap (SPRC) is a several-meters-thick CO2 ice cap with a variety of features, including quasi-circular depressions known as “Swiss cheese” that may expose underlying water ice. Swiss cheese pits have been suggested as a source for the observation of unusually high water vapor during the southern summer of Mars Year (MY) 8 (1969). To evaluate this hypothesis, we map the current extent of Swiss cheese pits to estimate the contribution to atmospheric water vapor from sublimation from the pits. We use data from the Mars Reconnaissance Orbiter Context Camera to map individual features and use the Mars Climate Sounder to obtain surface temperatures to estimate areas of exposed water ice to infer the amount of water vapor sublimated under typical south polar summer atmospheric conditions. We find that there is a negligible impact on atmospheric water vapor from sublimation with the current coverage and temperatures of Swiss cheese terrain (0.2% of the SPRC at an average of ∼161 K). At current typical temperatures, complete removal of residual CO2 from 99% of the SPRC would be required to sublimate enough water vapor to reproduce the MY 8 observation. However, a modest increase in temperature (∼20 K) could lead to a dramatic increase in sublimation rate, such that only water ice over 2.6% of the SPRC area would recreate the MY 8 observation. >180 K surface water ice has been observed on Mars, but such temperatures are likely transient at the south pole over the past ∼30 Mars years.
Impatiens yunlingensis (Balsaminaceae), a new species from Yunnan, China
Authors: Yu Jiang-Hong , Zhang Wen-Di , Qin Fei , Xia Chang-Ying , Qin Ying , An Ming-Tai , Gadagkar Sudhindra R. , Yu Sheng-Xiang
Published: October 2022

Impatiens yunlingensis S.X. Yu, Chang Y. Xia & J.H. Yu (Balsaminaceae), a species new to science discovered in Yunnan, China, is described and illustrated here, along with its phylogenetic position among other Impatiens species. Morphological, micro-morphological and molecular evidence is presented as an attestation of its novelty. Impatiens yunlingensis is similar to I. delavayi in having coarsely crenate leave margins, bracts in the upper part, ca. 4/5 length of the pedicels, saccate lower sepal with shallowly bifid spur, linear capsules, and elliptic-oblong, tuberculate seeds, but differs from I. delavayi with lateral sepals 4 (vs. 2), lateral united petal basal lobes subtriangular (vs. dolabriform), and seeds’ surface equipped with tubercular ornamentation mostly covered with grain shaped appendages (vs. glabrous and without grain shaped appendages on the top).
Proposal for detecting coconut rhinoceros beetle breeding sites using harmonic radar
Authors: Moore Aubrey , Siderhurst Matthew
Published: October 2022

Coconut rhinoceros beetle (CRB), a major pest of coconut and oil palms, is causing severe economic and environmental damage following recent invasions of several Pacific islands. Population suppression and eradication of this pest requires location and destruction of active and potential breeding sites where all life stages aggregate. Three search tactics for discovering breeding sites have been used with limited success: visual search by humans, search with assistance from detector dogs and search by tracking CRB adults fitted with radio transmitters.

Here, we suggest a fourth search tactic: releasing CRB adults fitted with harmonic radar tags to locate breeding sites. Our idea is to find static end points for tags which accumulate at breeding sites, rather than active tracking of individual beetles. We plan to use commercially available hand-held harmonic radar devices. If we are successful, this technique may be useful for locating other insects which aggregate, such as hornets and other social insects.
Pure players et médias alternatifs : une approche diachronique des représentations de l’indépendance et du pluralisme de l’information
Authors: Joux Alexandre
Published: October 2022

L’émergence de médias pure players dans les années 2000, celle de titres alternatifs financés par le don ou par l’abonnement dans les années 2010 indique un possible renouvellement des enjeux du pluralisme de l’information. A partir d’une enquête auprès des journalistes de ces médias, l’article analyse les repositionnements à l’œuvre dans une approche diachronique sur deux points, les modes de financement garants de l’indépendance des médias, le rapport à l’actionnariat. Il révèle également un rapport renouvelé au don à travers le bénévolat ou la précarité consentie des journalistes, et une forte sensibilité aux enjeux économiques de la production de l’information qui pousse les journalistes à devenir des entrepreneurs militants.
Douze ans de lives au Monde : la progressive stabilisation d’un format emblématique du journalisme numérique
Authors: Pignard-Cheynel Nathalie , Sebbah Brigitte
Published: October 2022

Cet article étudie le format du live-blogging, pour la couverture en direct de l’actualité, et la manière dont il s’est développé pendant une douzaine d’années au sein du média Le Monde . Via une série d’entretiens semi-directifs menés avec des personnes impliquées dans la réalisation, la gestion ou la supervision des lives, entre 2009 et 2021, l’article définit cette pratique à travers plusieurs caractéristiques emblématiques du journalisme numérique et retrace comment ce format complexe a progressivement acquis une place centrale dans l’offre éditoriale du site d’information et dans l’organisation de la rédaction, permettant notamment des collaborations accrues entre rédactions web et print.
Emploi versus retraite
Authors: de Jouvenel Hugues
Published: October 2022

La rubrique Repères de ce numéro propose un éclairage sur divers indicateurs à prendre en compte lorsqu’on s’intéresse aux questions d’emploi, chômage et retraite, parmi lesquels le taux d’emploi (c’est-à-dire la part des personnes d’âge actif occupant effectivement un emploi), qui varie considérablement d’un pays à l’autre, et selon les groupes d’âge.  S.D.
Coupler les transitions verte et numérique dans l’Union européenne
Authors: Collectif
Published: October 2022

En raison de ses conséquences sur les approvisionnements énergétiques, le conflit russo-ukrainien a accéléré les actions en faveur du développement des énergies renouvelables en Europe, contribuant ainsi indirectement à la transition écologique de l’Union européenne. Mais pour garantir la mise en œuvre de cette transition, dans ce nouveau contexte, et la combiner à la transition numérique, deuxième axe majeur de la politique européenne, il importe de développer une stratégie solide et de long terme. C’est ce que préconise le rapport de prospective stratégique 2022 de la Commission européenne, dont nous reprenons ici la présentation officielle. S.D.
Analyse comparative des lois-cadres sur l’économie sociale et solidaire : les cas de la France, de la Grèce, du Portugal et de l’Espagne
Authors: Adam Sofia , Douvitsa Ifigenia
Published: October 2022

La décennie de la crise a vu se multiplier des lois-cadres sur l’économie sociale et/ou solidaire (ES/ESS) dans de nombreux pays européens. Les autrices de cet article analysent les lois-cadres en France, en Grèce, en Espagne et au Portugal en fonction de leur orientation européenne, de la proximité des traditions juridiques et de l’accessibilité linguistique des textes originaux. Cette approche permet d’explorer les débats critiques liés à la conception et à la mise en œuvre de politiques publiques efficaces pour le développement de l’ES/ESS.
Le langage graphique des prisonniers sur les murs face au dedans et au dehors, à la fin du Moyen Âge
Authors: Ségard Audrey
Published: October 2022

À la fin du Moyen Âge, certains prisonniers ont fait entrer l’image, en plus de l’écrit, dans leur espace d’enfermement, tel le château de Selles à Cambrai. Ils ont orné les murs de leurs cellules en gravant ou traçant des thèmes divers. Çà et là, des scènes religieuses voisinent avec des personnages, le monde animal, domestique ou héraldique, tout en côtoyant des marques écrites. Cette conquête des espaces carcéraux par la pratique graphique relève d’une stratégie de communication de la part des prisonniers. Les graffiti répondent à un besoin de s’exprimer face au dedans et au dehors. Ces signes, qui revêtent une dimension identitaire, individuelle et collective, décors d’un entre-soi social, manifestent un souci de résister au monde extérieur. Ces images inédites nous donnent également accès au rêve d’évasion de ces hommes isolés vers le dehors, un monde humain familier et divin eschatologique. Elles participent aussi à des enjeux mémoriels en se laissant approcher par divers lecteurs.
Et quidem alia causa est episcoporum, alia monachorum : une brève étude comparative sur les usages des tombeaux chez les prélats séculiers et réguliers ( xiii e – xiv e siècle)
Authors: Marcoux Robert
Published: October 2022

Bien que relative dans les faits, la différence du rapport au temporel entre les clergés séculier et régulier est constitutive de l’identité sociale de chacun. À travers l’analyse statistique de 225 tombeaux d’abbés et d’évêques français des xiii e et xiv e  siècles, cette brève enquête comparative propose de le démontrer en identifiant entre les deux catégories cléricales des tendances divergentes relatives à l’emplacement, au type, aux matériaux et à l’iconographie des monuments.
Nonlinear programming for fleet deployment, voyage planning and speed optimization in sustainable liner shipping
Authors: Wu Yiwei , Huang Yadan , Wang H , Zhen Lu
Published: October 2022

Limiting carbon dioxide emissions is one of the main concerns of green shipping. As an important carbon intensity indicator, the Energy Efficiency Operational Index (EEOI) represents the energy efficiency level of each ship and can be used to guide the operations of ship fleets for liner companies. Few studies have investigated an integrated optimization problem of fleet deployment, voyage planning and speed optimization with consideration of the influences of sailing speed, displacement and voyage option on fuel consumption. To fill this research gap, this study formulates a nonlinear mixed-integer programming model capturing all these elements and subsequently proposes a tailored exact algorithm for this problem. Extensive numerical experiments are conducted to show the efficiency of the proposed algorithm. The largest numerical experiment, with 7 ship routes and 32 legs, can be solved to optimality in four minutes. Moreover, managerial insights are obtained according to sensitivity analyses with crucial parameters, including the weighting factor, unit price of fuel, Suez Canal toll fee per ship, weekly fixed operating cost and cargo load in each leg.
The Unique ergodic stationary distribution of two stochastic SEIVS epidemic models with higher order perturbation
Authors: Xie Yan , Liu Zhijun
Published: October 2022

Two types of susceptible, exposed, infectious, vaccinated/recovered, susceptible (SEIVS) epidemic models with saturation incidence and temporary immunity, driven by higher order white noise and telegraph noise, are investigated. The key aim of this work is to explore and obtain the existence of the unique ergodic stationary distribution for the above two models, which reveals whether the disease will be prevalent and persistent under some noise intensity assumptions. We also use meticulous numerical examples to validate the feasibility of the analytical findings. Finally, a brief biological discussion shows that the intensities of noises play a significant role in the stationary distributions of the two models.
Le complot des Empoisonneurs de juin 1908
Authors: Grémont Johann
Published: October 2022

Le complot des Empoisonneurs de juin 1908 fut une tentative d’assassinat des militaires de la garnison de Hanoi en empoisonnant leur repas. Il aurait dû constituer le premier acte d’un soulèvement général du Tonkin pour chasser le colonisateur français. Cette conspiration fut le fruit d’une organisation s’appuyant sur de nombreuses complicités et son impact sur la société coloniale fut important. Ce complot mit en exergue la fragilité de la position d’une administration coloniale qui mena une répression d’exception contre leurs auteurs et influença considérablement l’évolution de l’exercice de l’ordre colonial en Indochine notamment pour ce qui concerna le contrôle de la population.
Tous complices ?
Authors: Mahieddin Émir , Soldani Jérôme
Published: October 2022

Les figures de la complicité occupent une bonne part de nos imaginaires politiques et moraux contemporains. Mais que signifie exactement être « complice » ? Derrière son caractère intuitif apparent, la complicité s’avère être une notion complexe, engageant des théories de l’esprit et de l’action, des conceptions de la responsabilité, de la personne et de l’intention. Dans le domaine du droit comme dans les opérations de jugement moral, la complicité prend différentes formes en fonction des contextes et des situations, posant des questions anthropologiques fondamentales dont cette introduction entend offrir un panorama.
Refuser d’être complice
Authors: Al-Kallas Waed , Aubin-Boltanski Emma
Published: October 2022

Le qualificatif « gris » (ramâdî) est apparu au début du soulèvement syrien pour désigner une personne qui refuse de s’engager dans la révolte. Pour les révolutionnaires, il est synonyme de « lâche » et de « trouillard », pour les partisans du régime assadien il a un sens semblable à « traître » ou « infiltré ». Pourtant, malgré ses connotations péjoratives, des Syriens revendiquent ouvertement cette étiquette. Ce focus s’attache à analyser l’usage de l’expression en la replaçant dans le cadre du nouveau répertoire verbal qui se développe depuis le déclenchement de la guerre en 2011. Il s’agira de démontrer qu’elle change de sens en fonction des locuteurs, de leurs appartenances et de leur positionnement politique, mais aussi en fonction des moments et des lieux.
Sustainable Smart Homes and Community Happiness in the Malaysian Context
Authors: Malik Hajra , Au Yong Hui Nee , Mohamad Zam Zuriyati , Charles Ramendran S. P. R.  , Yip Chee Yin , Fong Chee Yang , Rehman Mobashar , Zailani Suhaiza
Published: October 2022

Sustainable smart houses are one of the methods through which all these factors can be touched upon because such houses provide social well-being and cause less damage to the environment. Therefore, this study analysed the predictors of purchase behaviour of sustainable smart houses and their impact on community happiness. Among the predictors which are part of this study include attitude, subjective norms, perceived behavioural control, cost, intention, and social media networks. Data were collected through a questionnaire survey from 187 Malaysian respondents, and SmartPLS was used for data analysis. Results revealed that purchase of sustainable smart houses does have an impact on community happiness. It establishes the extent to which community well-being has been prioritised by local property developers. In addition, it suggests strategies to help these developers to materialise the goals of smart and sustainable property development focusing on community well-being.
30-Days Same-Cause Congestive Heart Failure Readmission Rate at JHAH
Authors: AlBeesh Fatimah , Al Alwan Jalal
Published: October 2022

Congestive heart failure attracts quality initiatives to address its high prevalence and massive impacts. It is a major global public health problem and burden on healthcare systems, especially in developing countries, and the most common cause of hospitalization and readmission among older patients, especially 30-day readmission. This article will share achievement in reducing CHF readmission rate and address and discuss interventions to improve patient quality of life and reduce re-hospitalization.
Quais saberes compõem a formação docente nos cursos de pós-graduação stricto sensu em contabilidade no Brasil?
Authors: Rosa Tempesta Verônica , Rocha Neto Isolfi Vieira , Leal Edvalda Araújo , Miranda Gilberto José
Published: October 2022

objetivo da presente pesquisa é apresentar os saberes que compõem a formação docente ofertada nos cursos de pós-graduação stricto sensu em Contabilidade no Brasil. Trata-se de uma pesquisa de caráter descritivo com abordagem qualitativa. Os achados são apresentados abordando os saberes didático-pedagógico, técnicos-científicos, humanos e práticos. Verificou-se que 59% dos programas de pós-graduação investigados ofertam regularmente disciplinas que versam sobre formação “didático-pedagógica”; 81% dos professores que lecionam disciplinas relacionadas ao ensino têm alguma formação docente, mas todos eles têm produção científica na área didático-pedagógica. Foi identificada percepção positiva dos alunos quanto aos saberes humanos dos docentes que ministram as disciplinas didático-pedagógicas (notas entre 8 e 10 pontos). Os saberes práticos aparecem por meio da oferta de estágio docência, em 72% dos programas, sendo obrigatório, quase exclusivamente, para bolsistas.
Relação entre custos e variáveis de ensino, pesquisa e extensão na Universidade Federal de Santa Catarina
Authors: Trento Dayana , Borgert Altair , Engelage Emanuele
Published: October 2022

Este estudo analisa a relação entre custos e variáveis de ensino, pesquisa e extensão na Universidade Federal de Santa Catarina, no período de 1999 a 2018. Os dados foram coletados em relatórios, sites oficiais ou solicitados diretamente aos setores responsáveis, e analisados por meio de técnicas de estatística descritiva, verificação de frequências e correlação de Pearson. Os resultados indicam que a maioria das variáveis se correlaciona positivamente com o total do orçamento executado. A análise segregada aponta comportamento similar para os valores com pessoal, encargos e benefícios sociais e de custeio, visto que representam, conjuntamente, 97,3% do total. Assim, enquanto houve crescimento progressivo desses custos ao longo dos 20 anos, as variáveis que caracterizam atividades de ensino, pesquisa e extensão também se elevaram. As exceções são números de alunos de educação básica, de cursos de especialização e de atendimentos no Hospital Universitário, cuja correlação negativa e análise gráfica indicam atividades decrescentes e custos crescentes, enquanto que para as variáveis produção científica, orientação e internação no Hospital Universitário a correlação não apresentou significância estatística com nenhum tipo de gasto. Além dessas, para as despesas de capital existem outras variáveis não significativas, o que pode decorrer da sua essência em termos de valores atribuídos (estrutura e custos fixos). Por fim, o estudo expande o entendimento quanto às atividades universitárias e os gastos necessários para a sua realização, bem como fornece insights para a tomada de decisão com informações monetárias sobre sua evolução temporal e comportamento diante de diferentes situações, o que coíbe considerações simplistas do tema.
“Nada é tão ruim que não possa piorar”: efeitos da reconfiguração dos passivos contingentes no desempenho econômico-financeiro dos clubes de futebol brasileiros
Authors: Cristiane de Oliveira Monique , Minatto Fábio , Borba José Alonso
Published: October 2022

Este estudo teve como objetivo verificar os efeitos da reclassificação de passivos contingentes no desempenho econômico-financeiro dos clubes de futebol brasileiros. A partir de um estudo de levantamento com uma amostra de 18 clubes e usando dados de 2011 a 2018, sustentando-se na pesquisa de Carmo, Ribeiro e Mesquita (2018), os efeitos da reclassificação dos passivos contingentes nos indicadores de endividamento, liquidez, lucratividade e rentabilidade foram analisados por meio da estatística G de Hedge. Os resultados demonstram crescimento no número de clubes que divulgam passivos contingentes no período (de 6 para 17), bem como expressivo aumento no valor destes (cerca de 1200%). Em quantidade, as contingências trabalhistas foram as mais citadas pelos clubes (54 vezes), todavia, em termos monetários, destacam-se as cíveis (R$ 2,20 bilhões) e aquelas sem natureza discriminada (R$ 2,65 bilhões). Ademais, passivos contingentes, se realizados, afetam significativamente a lucratividade e a rentabilidade das equipes, reforçando sua importância para a análise econômico-financeira em clubes de futebol, pois, apesar de não constarem no Balanço Patrimonial, sua possível realização pode impactar a gestão de administrações futuras e como consequência afetar a continuidade da organização.
Foster Kennedy syndrome
Authors: Maththias A. T. , Roshan A. L. L. , Gunatilake S. B.
Published: October 2022

No abstract available
Post-varicella intra cranial haemorrhage presenting as young stroke
Authors: Makarim M. F. M. , Kannangara L. , Roshan A. L. L. , Gunatilake S. B.
Published: October 2022

No abstract available
The randomized prospective study of non-surgical management of patients with mild to moderate carpel tunnel syndrome
Authors: Wijegunasinghe D. D. , Jayatunge S. T. K. , Kumarasinghe P. M. , Gunathilake A. W. P. I. , Sriyani W. N. A.
Published: October 2022

Objective: To evaluate effectiveness of used oral medications such as diuretics, steroids and local steroid injections in the treatment of mild to moderate CTS. Methods: Prospective randomized study of patients with clinical symptoms and signs of CTS, confirmed by standard electrodiagnosis. Baseline assessments included a standardized Boston questionnaire to assess symptom severity score, functional severity score, total score, relevant clinical examination and necessary nerve conduction studies (NCS). After the baseline assessment, patients were randomized to following treatment arms:1. Steroid local injection (n = 64)2. Oral steroid for 28 days (n = 64)3. Oral steroid + diuretics for 28 days (n = 69) Boston questionnaire symptom severity score, functional severity score, total score and the NCS results were analyzed after 28 days of treatment. Results: Boston questionnaire scores (symptom severity score, functional severity score and total score) were significantly improved with all three treatment modalities after 4 weeks of treatment p <0.05 the values of each indicator was more or less similar in each group at the baseline. The percentage of improvement is highest with steroid injection and lowest with oral steroids and steroids + diuretic group falling in between. Sensory nerve conduction studies showed an improvement in all three treatment modalities. But a statistically significant improvement was seen in steroid injection and oral steroid + diuretic groups only p <0.05. Conclusion: All three treatment modalities i.e. steroid injections, oral steroids, and oral steroid and diuretics are effective in treating mild to moderate CTS. The improvement seen with steroid injection is more than that is seen in the other two interventions.
Isolated sphenoidal fungal sinusitis in a patient with ulcerative colitis on steroids
Authors: Abeyaratne D. D. K. , Bandara K. A. S. , Liyanapathirana C. , Marasinghe M. G. C. P. , Gunatilake S. B.
Published: October 2022

No abstract available
Motor neurone disease
Authors: Rafiq Muhammad K.
Published: October 2022

No abstract available
Intra venous immunoglobulin responsive relapsing Hashimoto’s encephalopathy
Authors: Lasika R. A. D. R. , Senanayake S. , Amarawardena W. K. M. G.
Published: October 2022

No abstract available
Answers to picture quiz
Authors: Gunatilake Saman B.
Published: October 2022

No abstract available
Perioperative risks in neuromuscular diseases: An update
Authors: Arasalingam A.
Published: October 2022

Patients with neuromuscular diseases are at a high risk of peri-operative complications. Recent advances in the management of these disorders have increased the survival rates and the need for surgical procedures related or non-related to the primary disorder. Cardiac and respiratory failure are by far the commonest complications in addition to rhabdomyolysis, malignant hyperthermia, myotonic contractures and peri-operative drug induced complications. Meticulous preoperative assessment, optimization and a high index of suspicion for complications reduce the risks. Regional anesthesia is generally safer. If general anesthesia is required special precautions should be taken. These may vary form disease to disease and thus a multi-disciplinary approach involving the parent surgical team, neurology team, medical team, intensivist and anesthetist is of paramount importance. In this brief update the perioperative assessment and management of the common complications have been discussed along with a brief insight into the anesthetic drugs that may potentiate complications. A very brief description of the common neuromuscular disorders and respective anesthetic considerations has also been mentioned.
Anti-MOG antibody associated recurrent optic neuritis
Authors: Hapugoda Githmi , Weerathunga Praveen , Chang Thashi
Published: October 2022

No abstract available
Varicella vasculopathy as a cause for stroke in a patient with diabetes – an uncommon cause for a common disorder
Authors: Thambirajah Narmathey , Shameer Nijam , Vithanawasam Dhanushka , Liyanage Damith Sanjaya , Gooneratne Inuka Kishara , Senanayake Sunethra
Published: October 2022

No abstract available
Measles immunization in Sri Lanka; should it be changed for the prevention of neurological complications?
Authors: Vijayabala Jeevagan
Published: October 2022

No abstract available
Neurology quiz
Authors: Caldera Manjula
Published: October 2022

No abstract available
Nonketotic hyperglycemic hemichorea – a diagnostic challenge for the treating physician
Authors: Gunathilake K. U. I. S. , Jayarathne S. R. , Sivasadana V. , Rifath M. I. M. , Weerasinghe S. C.
Published: October 2022

Non-ketotic hyperglycemic hemichorea (NHH) is a rare phenomenon occurring in patients with type II diabetes mellitus. The exact mechanisms for NHH is unclear. There are several proposed mechanisms involving GABA pathways. We report a case of a 63-year-old female who presented with Choreiform movements with characteristic CT changes of NHH, whose abnormal movements rapidly resolved with good glycaemic control.
Neurology quiz
Authors: Gunatilake Saman B.
Published: October 2022

No abstract available
Aeroacoustic and Aerodynamic Investigation of a Wingtip-Mounted Tractor Propeller
Authors: Jayasundara Dilhara , Jung Yong Su , Baeder James
Published: October 2022

The wingtip-mounted propeller configuration is widely used in many aircraft, particularly owing to the emergence of urban air mobility. This paper focuses on analyzing the aeroacoustic properties of a wingtip-mounted tractor propeller by understanding the aerodynamic interaction between
the two geometric components. Computational fluid dynamics based on Reynolds-averaged Navier–Stokes equations were used to calculate the flow field and aerodynamic loads on a wingtip-mounted propeller model, and the results were compared with experimental data for validation. The resulting
surface pressure was fed as input data for the acoustic analysis performed using a Ffowcs Williams–Hawkings equationbased acoustic solver at multiple angles of attack. The presence of the wing significantly increased the propeller noise along the rotational axis. With increasing angle
of attack, the propeller noise increased further. By contrast, the wing noise decreased with the angle of attack due to propeller wake dissipation, leading to only a small increase in the maximum total noise.
Human monkeypox coinfection with syphilis in an immunocompromised patient
Authors: Ordoñez-González Irvin , López-Zamora Berenice , Medina Gabriela , Reyes-Navarro Geraldine Vanessa , Ordinola Navarro Alberto , Cruz-Domínguez María Pilar , Vera-Lastra Olga , Saavedra Miguel Ángel
Published: October 2022

Monkeypox is a viral zoonoses from the Poxviridae family that spreads at an unprecedented rate. It is transmitted through contact with skin lesions, respiratory droplets, body fluids, and sexual contact. The diverse presentation of disease leads to misdiagnosis. Thus, clinicians should have a high index of suspicion, mainly with diseases with skin lesions. The most vulnerable group to developing this disease are individuals with risky sexual relationships, sexually transmitted infections or human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS). To date, only one case of coinfection with monkeypox virus, syphilis, and HIV has been reported; however, no cases have been revealed in the Mexican territory. Herein we describe an unusual case of Syphilis-Monkeypox coinfection in an immunocompromised patient; despite his coinfections, he had a favorable prognosis. Furthermore, we attach allusive pictures of the natural evolution of dermatological lesions.
Dermoscopic features of Monkeypox virus skin infection
Authors: Biondo Giovanni , Massone Cesare
Published: October 2022

Not available.
Are COVID-19’s restrictive measures associated with people’s quality of life and the prevalence of anxiety and depression in Kinshasa in the Democratic Republic of Congo?
Authors: Ngamaba Kayonda Hubert , Lombo Laddy Sedzo , Makopa Israël Kenda , PanzaEkofo Joyce
Published: October 2022

Background. The spread of COVID-19 and the economic repercussions of several restrictive measures have worsened the lives of the Congolese and caused panic, fear, and anxiety. No study has yet examined the effect COVID-19’s restrictive measures had on the quality of life in the Congo.Aims. The purpose of this study is to determine if the restrictive measures of COVID-19 are associated with the quality of life and the prevalence of anxiety and depression in Kinshasa.Methods. A cross-sectional survey was conducted in seventeen Kinshasa municipalities. N=100 adults over the age of 18 were recruited (41 females, 58 males and 1 prefer not). Social Contacts Assessment (SCA), Time Use Survey (TUS), Manchester Short Assessment of quality of life (MANSA), Health status EQ-5D-3L, UCLA Loneliness Scale; Patient Health Questionnaire (PHQ-9); General Anxiety Disorder (GAD-7) and COVID-19 related questions were utilized. We conducted descriptive statistics and multiple regression analyses.Results suggest that depression and anxiety are more prevalent (PHQ-9 and GAD-7 scores were 9.1 (SD=6.8) and 8.5 (SD=6.1) respectively). Negative associations were found between the quality of life and living alone (B=-0.35, p=0.05) and mental health decline due to COVID- 19 (B=-0.30, p=0.04). Those who described themselves as less lonely reported a higher quality of life (B=0.34, p=0.03).Conclusions. Living alone is associated with a lower quality of life. This study fills a gap in the literature on public health in the DRC and low- and middle-income countries.
Nywerheidsfinansiering met "Duur" Geld
Authors: Hoogendyk P. K.
Published: October 2022

No abstract available.
Doel en Gebruik van Operasionele Navorsing (O.N.)
Authors: Engelbrecht J. C.
Published: October 2022

Operational Research is defined as a scientific method to provide managers with a quantitative basis for taking decisions regarding the activities under their control. This article indicates to managers how this technique may be used by them to solve a wide variety of problems e.g. in the field of inventories, problems of congestion and queueing, allocation problems, replacement of equipment, sampling and other mathematical and statistical problems aimed at improving the efficiency of the activities of the industrial concern.
Die Rol van Dataverwerkingspersoneel in Bestuurswese: 'n Toekomsblik
Authors: De Lange P. W.
Published: October 2022

The author describes a few interesting uses of computers in Italy, France and the U.K. and then discusses the situation in South Africa. Data processing managers are becoming more involved with, and part of, top management. The author attempts to show that if data processing personnel want to have an important role in the future, they will have to take definite action.
The process control computer
Authors: Basson A. K.
Published: October 2022

No abstract available.
ZNF561 Antisense RNA 1 Contributes to Angiogenesis in Hepatocellular Carcinoma through Upregulation of Platelet-Derived Growth Factor-D
Authors: Zheng Jihu , Guo Zijian , Wen Zhanchao , Chen Huikang
Published: October 2022

Hepatocellular carcinoma is a common malignant tumor with high recurrence rate. Long non-coding RNA (lncRNA) ZNF561 antisense RNA 1 (ZNF561-AS1) functions as an oncogenic lncRNA to promote the tumorigenesis of colorectal cancer. The role of ZNF561-AS1 in hepatocellular carcinoma remains unknown. ZNF561-AS1 was elevated in hepatocellular carcinoma tissues and cells. Silence of ZNF561-AS1 reduced cell viability and inhibited the proliferation of hepatocellular carcinoma. The angiogenesis of hepatocellular carcinoma was also suppressed by loss of ZNF561-AS1 with a decrease of angiopoietin 2, fibroblast growth factor 1, and vascular endothelial growth factor. ZNF561-AS1 bind to miR-302a-3p, and decreased expression of miR-302a-3p in hepatocellular carcinoma. Moreover, miR-302a-3p reduced platelet-derived growth factor-D (PDGFD) in hepatocellular carcinoma, and inhibition of miR-302a-3p attenuated ZNF561-AS1 silence-induced decrease of PDGFD. In conclusion, silence of ZNF561-AS1 might inhibit cell proliferation and angiogenesis of hepatocellular carcinoma through downregulation of miR-302a-3p-mediated PDGFD.
Study on the Role of Naringin in Attenuating Trimethylamine-N-Oxide-Induced Human Umbilical Vein Endothelial Cell Inflammation, Oxidative Stress, and Endothelial Dysfunction
Authors: Zhao Hui , Zhao Jianping
Published: October 2022

Trimethylamine-N-oxide (TMAO), a phospholipid metabolite, can modulate cholesterol synthesis and promote vascular inflammation and endothelial dysfunction, thereby increasing the risk of atherosclerosis (AS). Previously, it was found that naringin reduced damage to human umbilical vein endothelial cells (HUVECs) triggered by oxidized low-density lipoprotein. This article continues to explore the role and mechanism of naringin in protecting HUVECs from TMAO-induced damage. After the construction of TMAO-induced AS model in HUVECs, inflammation, oxidative stress, and endothelial function were examined by real-time quantitative polymerase chain reaction, Western blotting, nitric oxide (NO), reactive oxygen species (ROS), superoxide dismutase, and malondialdehyde (MDA) kits. Results showed that naringin pretreatment inhibited endothelial inflammation and oxidative stress, promoted NO release, and inhibited the degradation of Zona occludens-2, occludin, and vascular endothelial-cadherin, thereby restoring the functional and structural integrity of the endothelium. Furthermore, the addition of mitogen-activated protein kinase (MAPK) agonist demonstrated that the therapeutic effect of naringin was achieved through inactivating TMAO-stimulated MAPK signaling in HUVECs.
Pigmented Epithelioid Melanocytoma
Authors: Shah Pooja Dilip , Chaudhary Raju G. , Jagati Ashish , Baxi Kalgi D.
Published: October 2022

Blue nevi are a group of congenital or acquired benign dermal melanocytic tumors. Various clinical and histological variants have been described. Epithelioid blue nevus (EBN), an uncommon variant may present as blue gray nodule over trunk, extremities which might occur either sporadically or in association with Carney complex. Due to clinical and histological overlap with other pigmented melanocytic lesions clinicopathological correlation is essential. We report a case of epithelioid blue nevus on dorsum of right foot in a 22-year-old man.
A Clinico-Mycological Study of Dermatophytoses and Their In-Vitro Sensitivity to Antifungal Drugs
Authors: Kadnur Manjunath , Jartarkar Shishira R. , Narayanaswamy Girish , Manoj Kumar Ashwath S. , Arora Sheena , Balakrishnan Thushara
Published: October 2022

Background:

There is an increase in the frequency of resistant and recurrent dermatophyte infections in India. We undertook a study to isolate the organisms in different clinical presentations and to study their sensitivity to clotrimazole, miconazole, fluconazole, and griseofulvin.

Aims:

The aim of this article was to study the clinico-mycological pattern of dermatophytes and their in-vitro sensitivity to commonly used antifungals.

Objectives:

The objectives were as follows: (1) to study the clinico-mycological patterns of dermatophytosis and (2) to study the in-vitro sensitivity patterns of culture isolates to clotrimazole, miconazole, fluconazole, and griseofulvin.

Materials and Methods:

A total number of 48 patients were included in the study. The study period was from August 2019 to February 2021. Skin scrapings and nail clippings were inoculated in Sabouraud dextrose agar. Isolates were identified based on gross colony characteristics and microscopic morphology of their micro- and macroconidia and accessory structures. The isolates were then transferred to sterile distilled water in vials and stored. The clinical isolates stored in the stock solution were subcultured on to Potato dextrose agar. Then, the antifungal disks and Griseofulvin E strip were applied on to the plates. The zones of inhibition around the disks were measured and recorded. In the case of E strip, the minimum inhibitory concentration value is read from the scale in terms of µg/mL, where the ellipse edge intersects the strip.

Results:

The total number of cases included were 48. Commonest clinical presentation was co-occurrence of Tinea cruris and corporis (33%). Trichophyton mentagrophytes was isolated in 56% of cases. Isolates showed highest sensitivity to clotrimazole (87.5%) followed by miconazole (60.4%). Only 8.3% were sensitive to fluconazole and 37.5% were sensitive to griseofulvin.

Conclusion:

T. mentagrophytes is the causative organism in significant numbers of dermatophytic infections. Though broth dilution is the standard method for sensitivity assay of dermatophytes, disk diffusion method could become a more simple alternative.
Clinico-dermatoscopic and Histopathological Evaluation of a Case of Generalized Lichen Nitidus
Authors: Mahajan Sunanda Arun , Singh Surender , Kabbannavar Yallappa Ramachandrappa , Kharkar Vidya D.
Published: October 2022

Lichen nitidus (LN) is a rare asymptomatic skin disease composed of numerous tiny, shiny, flat papules mainly over the chest, forehead, neck, forearm, and glans penis. They are of two types based on distribution, localized which is more common compared to generalized. Dermoscopy helps in differentiating LN from other similar dermatoses such as lichen planus, keratosis pilaris, follicular eczema, lichen spinulosus, which is non-invasive. We describe a 15-year-old female with generalized lichen nitidus with palms, soles, and nail involvement with dermoscopic features and histopathological correlation.
Age-wise cancer incidence in western Uttar Pradesh in India: An observational study
Authors: Akram Mohammad , Khazir Mahbooba , Khan Mohsin , Afrose Ruquiya
Published: October 2022

Context:

According to the World Health Organization report of 2011, the main cause of death was cancer rather than heart diseases. 14.1 million new cases and about 8.2 million deaths occur due to cancer according to the report given by GLOBOCAN 2012.

Aims:

This study was conducted to highlight the age-wise cancer incidence in western Uttar Pradesh.

Materials and Methods:

This was a cross-sectional study conducted in the department of radiotherapy from 2018-2020. Data were collected from the hospital records of histopathologically confirmed cases of malignancies from 2018 to 2020. Details regarding age, sex and site of the tumor were collected from the clinical records.

Statistical analysis used:

Descriptive statistics were used for data calculation as well as summarization, Mean ± SD, percentage, and proportions were calculated.

Results:

Age-wise cancer incidence in the head and neck region among both the genders shows that the highest percentage of mouth cancer of 23.19% (409) was found among males above 40 years of age as compared to females with 4.76% (84), the prevalence of breast cancer was increasing with increasing age reaching 42.79% (603) prevalence above the age of 40 years. The highest percentage of lung cancer was found above the age of 40 years 32.57% (459) in the case of males. Gallbladder carcinoma in females was 37.882% (161) and liver malignancies in males were found at 9.41% (40). In the case of the female reproductive system, highest percentage of cervical malignancies having 56.85% (485) next to the cervix it was the ovarian malignancy with a significant percentage of 19.22% (164).
Bone scan index on bone scintigraphy and radiation therapy for bone metastases from cancers other than prostate and breast cancers
Authors: Ishibashi Naoya , Maebayashi Toshiya , Kimura Yuki , Okada Masahiro
Published: October 2022

Objective:

In this study, we aimed to use new automatic analysis software (VSBONE bone scan index (BSI); Nihon Medi-Physics, Tokyo, Japan) to investigate whether the pre-radiation therapy (RT) BSI, derived from bone scintigraphy (BS) images, is a prognostic indicator in patients undergoing RT for bone metastases from cancers other than breast or prostate cancer.

Materials and Methods:

In this retrospective single-institution study, we analyzed data of 51 patients who had undergone whole-body scintigraphy before receiving RT for bone metastases from cancers other than breast and prostate cancer between 2013 and 2019. Their bone metastases preradiation BSI were automatically calculated using newly developed software (VSBONE BSI; Nihon Medi-Physics, Tokyo, Japan). Univariate and multivariate analyses were performed to identify associations between selected clinical variables and overall survival (OS).

Results:

We did not find a significant association between BSI and OS. However, we did find that younger patients had significantly better OS than older patients (P = 0.016 and P = 0.036, respectively). In addition, BSI were significantly lower in patient with solitary or osteolytic bone metastases than in those with osteoblastic or mixed bone metastases (P = 0.035 and P ≤ 0.001, respectively), and significantly higher in those with lung cancer than in those with other types of cancer (mean BSI 3.26% vs. 1.97%; P = 0.009).

Conclusion:

The only significant association with survival identified in this study was for age at the time of BS and at time of diagnosis of bone metastases.