bluuebunny/crossref_metadata_2025 huggingface dataset:
Teen Dating Violence Prevention Based on an Education for Intercultural and Critical Citizenship
Authors: Soriano Ayala Encarnación , Cala Verónica C. , Dalouh Rachida
Published: June 2021

Teen dating violence (TDV) is one of the problems that, both for its severity as for its prevalence, requires a greater educational effort aimed at its primary prevention on all the young people that make up our societies. However, both social studies and preventive strategies and public policies maintain a monocultural and homogenizing relational approach, which makes invisible the relationships that exist between non-European and non-heterosexual people. This chapter proposes an approach to dating violence based on a critical and intercultural citizenship education, which addresses existing biases. This approach aims, on the one hand, to understand relational diversity in democratic societies and, in turn, orient its action around three axes: socio-emotional education, education in values, and virtual education.
A Global Competence Approach to Teaching Development for Intercultural Education
Authors: Barreto Isabel María Gómez , Fernández Raquel Segura , Sánchez-Santamaría José , Fernández Carlos Montoya
Published: June 2021

The aim of this chapter is to show a training framework for intercultural education from the perspective of global competence for educational professionals in formal and non-formal settings. The theoretical background is education for critical intercultural citizenship in the framework of global competence and connectivism. The training framework is conceived through a community of professional practice models of intercultural education through web environments, social networks, and face-to-face workshops. The focus is on the critical and reflective practice and the perspective taking to explore beliefs about global and intercultural education, to become aware of the quality of interactions in educational contexts in cultural diversity, and to adopt didactic strategies for the implementation of a curriculum aimed at contributing to a global education that meets the needs and characteristics of the 21st century.
Blockchanging Money
Authors: Rodrigues Dario de Oliveira
Published: June 2021

Blockchain technology is changing the world incentive system, making programmable money. This kind of money is only fruitful and democratically livable in a transparent political environment. Otherwise, instead of unleashing innovation and collective action with the market's visible hand of qualified money, the new internet of value will deliver a digital money with the same algorithmic fate that social media met on the previous internet. The latter allows digitizing users' data and has been used to manipulate consumers and public opinion (possibly in the last two U.S. Presidential elections). Similarly, the former will let states and corporatocracy cross-reference social media and digital money's data, hurting privacy even more. As blockchains disseminate, having the crucial economic advantage of reducing transaction costs, only free-market competition between private and public blockchains guarantee transparency and democracy. Blockchain technology is the real McCoy, and decentralizing digital money is the free world's best shot, especially in the new normal triggered by COVID-19.
Blockchanging Politics
Authors: Rodrigues Dario de Oliveira , Lopes Pedro Santana
Published: June 2021

There has been a fundamental change in the genesis of political-economic trust, with the arrival of a decentralized but structured way to reach consensuses and automatically implementing decisions through self-executable contracts. Blockchain technology (BT) is a distributed, consensus-based, and secure way for individuals to make enforceable censorship-resistant quantifiable agreements. Every vote is a transaction, and BT is paving the way for decentralizing politics, defending privacy, and streamlining voting procedures. It has the potential to provide much more granular governance that hopefully will preserve freedom and defend democracy. However, especially in an embarrassing post-COVID-19 world, BT's centralization can, instead, pave the way for citizens' control, turning cryptographic protocols into an authoritarian digital corset tightened by some to menace the privacy and freedom of many.
COVIDiots and Cogency
Authors: Schwartzman Roy , Simon Jenni M.
Published: June 2021

The COVID-19 pandemic in the United States spawns a perplexing polemic. Intransigent coronavirus skeptics who defy public health recommendations often get cast as ideological zealots or as perniciously ignorant. Both characterizations overlook a more fundamental epistemic opposition. The authors recast the conflict between COVID-19 skeptics and public health advocates as the rhetorical incompatibility between the deliberative, scientifically grounded public health experts and the intuitive, emotion-driven mental heuristics of the non-compliant. This study examines the discourse of COVID-19 misinformation purveyors on broadcast media and online. Their main contentions rely on heuristics and biases that collectively not only undermine trust in particular medical experts, but also undercut trust in the institutions and reasoning processes of science itself. The findings suggest ways that public health campaigns can become more effective by leveraging some of the intuitive drivers of attitudes and behaviors that scientists and argumentation theorists routinely dismiss as fallacious.
Exploring Metacognitive Discourse Within Social Intuition Theory
Authors: Thompson Robert Bruce , Bernacchio Charles
Published: June 2021

Research from psycholinguistics, developmental social-cognition, and neuroscience, together with key insights from clinical psychology, are used to frame the discussion of metacognitive language as an intra- and interpersonal form of self-regulation, social discourse, and behavior. The relevance of metacognition for social intuition theory (SIT) is profound because features of social intuition reflect metacognitive resilience and deep vulnerabilities that are part of our evolution and natural history. Language as discourse and as internal self-regulation are analysed within SIT to describe processes behind how we communicate with one another, and ourselves, both fast and slow.
How Imagined Interaction Conflict-Linkage Theory Complements Social Intuitionist Theory in Terms of Moral Judgments
Authors: Honeycutt James M.
Published: June 2021

Traditionally, research on moral reasoning has been based on the idea that moral judgments are based on reasoning and cognitive development. For example, Kohlberg's classic model of moral reasoning argues that morality develops with aging and experience in terms of preconventional, conventional, and postconventional beliefs. Conversely, Haidt's social intuitionist model offers a view in which moral judgments can be impetuous and driven primarily by intuition, not reason. This idea reflects the concept of moral dumbfounding, in which people maintain a moral judgment based on conditioning. A cognitive theory that explains the conditioning for moral dumbfounding is imagined interaction conflict-linkage theory. This theory explains how arguments are ruminated in the mind. People often remember episodes of disagreement, arguing, or fighting and dwell on them. This chapter will review research in these areas. Additionally, a few examples pertaining to personality and ideological beliefs in terms of COVID-19 pandemic compliance and rule violations are discussed.
Why Is Change Hard?
Authors: Ni Chung-Fan , Gong Xiaopeng
Published: June 2021

This book chapter will first introduce theories in social and cognitive psychology to describe the process of change. The social intuitionist model (Haidt, 2001) is applied to illustrate how communication operates in human function. When confronted by the need to change, individuals respond first from intuition, and only after our response do, we acquire rational justification. Additionally, this chapter provides explanations of traumatic brain functions from the neuroscience perspective. Practitioners have to recognize both the intuitive and deliberative process when working with individuals who experience trauma with physiological reactivity. This chapter also discusses strategies to reduce traumatic stress and restore the proper balance between the rational and emotional brain.
Holistic Literature Education as an Effective Tool for Social-Emotional Learning
Authors: Aerila Juli-Anna , Lähteelä Johanna , Kauppinen Merja Anitta , Siipola Mari
Published: June 2021

This chapter concerns a model of holistic, structured literature education, which has pedagogical value for social-emotional learning. Fiction supports children's personal growth in many ways. The special emphasis lies on the reading process, which aims at empathizing reading and sharing of text-based emotions and experiences. Further individual and common arts-based meaning-making is an intrinsic part of the reading process. The empathized reading process as well as supportive reading environment need to raise educators' consciousness. Creative, arts-based activities offer channels to make children's interpretations of fictional texts visible. There are several presented examples of arts-based methods for literature education and the family literacy practices that have an impact on social-emotional learning. The methods are individual story ending (ISE), kamishibai theater, silent books, and structured reading moments.
The Emotional Affordances of Visual Literacy Pedagogy
Authors: DeHart Jason D.
Published: June 2021

This chapter focuses on the experience of three educators in the context of the COVID-19 pandemic. As much as possible, the researcher has worked to maintain the voices of the teachers and highlights concepts of self-expression, editing, and processing of emotions and trauma through traditional and multimodal texts. Findings from the study have implications for the ways that teachers experience traumatic events, the ways that writing can be used for classroom instruction across a variety of modes, and the ways that major political and social events are processed by educators.
Fostering Self-Direction in Foresight and Skills Anticipation of Undergraduate Students Through University-Industry Engagement
Authors: Charungkaittikul Suwithida , Areesophonpichet Sornnate , Malaiwong Watcharapol
Published: June 2021

University-industry engagement is an essential factor for students' learning outcomes in higher education. This study aims to describe the unique educational process using foresight and skills anticipation through the university-industry engagement of future signs for the Thailand project as a good practice to foster self-direction of undergraduate students and proposes strategies to enhance collaboration among different key stakeholders. The “Kizashi Project” was organized during December 2, 2019-March 27, 2020, through the collaboration between Hitachi Asia (Thailand) Company Limited and Chulalongkorn University to create the research and development localization activities for identifying future social trends and anticipating new business opportunities in Thailand. The project applied “Kizashi,” the design thinking field, to describe Thailand's future to illustrate an ideal society with a human-centered perspective. This included Target year, 2030, which might be a milestone year before completing Thailand 4.0.
A WBAN-Based Framework for Health Condition Monitoring and Faulty Sensor Node Detection Applying ANN
Authors: Karmakar Koushik , Saif Sohail , Biswas Suparna , Neogy Sarmistha
Published: June 2021

Remote health monitoring framework using wireless body area network with ubiquitous support is gaining popularity. However, faulty sensor data may prove to be critical. Hence, faulty sensor detection is necessary in sensor-based health monitoring. In this paper, an artificial neural network (ANN)-based framework for learning about health condition of patients as well as fault detection in the sensors is proposed. This experiment is done based on human cardiac condition monitoring setup. Related physiological parameters have been collected using wearable sensors from different people. These data are then analyzed using ANN for health condition identification and faulty node detection. Libelium MySignals HW (eHealth Medical Development Shield for Arduino) v2 sensors such as ECG sensor, pulse oximeter sensor, and body temperature sensor have been used for data collection and ARDINO UNO R3 as microcontroller device. ANN method detects faulty sensor data with classification accuracy of 98%. Experimental results and analyses are given to prove the claim.
Retail Workforce Sizing Strategy for Enhancing Service Delivery and Store Performance
Authors: Madhani Pankaj M.
Published: June 2021

The retail workforce is a strategic lever of the retailer for improving sales growth, market share, and profitability. With optimal retail workforce sizing and structure, customers would get prompt sales assistance and service, shelves should be replenished in a timely manner, store employees should be neither idle nor overstretched, and compensation costs should be managed effectively. Undersizing may hurt retailers in the long run as it affects merchandising capability and customer services, which ultimately hurt store sales and profits. Retail workforce optimization keeps store employees happy, improves customer service, and reduces opportunity costs of lost sales. The research provides various frameworks that outline the impact of undersizing in retail stores on sales and profitability and provides a methodology to determine the optimal workforce size. The research also provides an illustration with various scenarios to investigate whether a retail store is understaffed and calculates the financial impact of undersizing on revenue and profitability.
Preliminary Screening of COVID-19 Infection Employing Machine Learning Techniques From Simple Blood Profile
Authors: Cingireddy Anirudh Reddy , Ghosh Robin , Kar Supratik , Melapu Venkata , Joginipeli Sravanthi , Leszczynski Jerzy
Published: June 2021

Frequent testing of the entire population would help to identify individuals with active COVID-19 and allow us to identify concealed carriers. Molecular tests, antigen tests, and antibody tests are being widely used to confirm COVID-19 in the population. Molecular tests such as the real-time reverse transcription-polymerase chain reaction (rRT-PCR) test will take a minimum of 3 hours to a maximum of 4 days for the results. The authors suggest using machine learning and data mining tools to filter large populations at a preliminary level to overcome this issue. The ML tools could reduce the testing population size by 20 to 30%. In this study, they have used a subset of features from full blood profile which are drawn from patients at Israelita Albert Einstein hospital located in Brazil. They used classification models, namely KNN, logistic regression, XGBooting, naive Bayes, decision tree, random forest, support vector machine, and multilayer perceptron with k-fold cross-validation, to validate the models. Naïve bayes, KNN, and random forest stand out as the most predictive ones with 88% accuracy each.
Impact of Supply Chain Human Capability, Responsive Design, and Collaboration on Supply Chain Resilience
Authors: Goenka Rajeev , Vijayaraghavan T. A. S. , Israel D.
Published: June 2021

This paper adopts supply chain perspective to examine the impact of human capability in supply chain (SC) on SC resilience and business performance. Based on literature review, this paper expands understanding of factors, which contribute to SC resilience and competitive performance. The authors have operationalized elements of human capability in supply chain, SC collaboration, and SC responsive design to achieve this. Questionnaire was developed and was circulated to more than 600 organizations out of which 158 organizations responded and were useful. Hypotheses were formulated on studying the impact of these aspects on SC resilience and were tested using structural equation modelling. The study and the analysis support the hypothesis on the positive impact of supply chain human capability on SC collaboration and SC responsive design. Similarly, the hypothesis on SC collaboration and responsive design have tested positive impact on supply chain resilience which in turn has positive influence on organizations' performance that gives competitive edge.
Wireless Interference Analysis for Home IoT Security Vulnerability Detection
Authors: McDaid Alexander , Furey Eoghan , Curran Kevin
Published: June 2021

The integrity of wireless networks that make up the clear majority of IoT networks lack the inherent security of their wired counterparts. With the growth of the internet of things (IoT) and its pervasive nature in the modern home environment, it has caused a spike in security concerns over how the network infrastructure handles, transmits, and stores data. New wireless attacks such as KeySniffer and other attacks of this type cannot be tracked by traditional solutions. Therefore, this study investigates if wireless spectrum frequency monitoring using interference analysis tools can aid in the monitoring of device signals within a home IoT network. This could be used enhance the security compliance guidelines set forth by OWASP and NIST for these network types and the devices associated. Active and passive network scanning tools are used to provide analysis of device vulnerability and as comparison for device discovery purposes. The work shows the advantages and disadvantages of this signal pattern testing technique compared to traditional network scanning methods. The authors demonstrate how RF spectrum analysis is an effective way of monitoring network traffic over the air waves but also possesses limitations in that knowledge is needed to decipher these patterns. This article demonstrates alternative methods of interference analysis detection.
Chronic carbon monoxide poisoning. A report of two cases
Authors: Riccardi Alessandro , Bientinesi Paolo , Monteverdi Marta , Lerza Roberto
Published: June 2021

If acute carbon monoxide poisoning is a well-known emergency situation, this is not the case for chronic poisoning. The missed diagnosis of acute CO poisoning is a well-known problem but the identification of a chronic poisoning is very challenging. Knowledge and awareness of chronic poisoning is less defined and probably there is a great number of patients with undiagnosed chronic CO poisoning. It is possible that in case of missed diagnosis because of non-specific symptoms, chronic CO poisoning could be responsible for significant morbidity. We describe the case of a married couple who were rescued almost simultaneously, to show this clinical condition.
Impact of COVID-19 pandemic and lockdown on emergency room access in Northern and Central Italy
Authors: Giostra Fabrizio , Mirarchi Maria Grazia , Farina Gabriele , Paolillo Ciro , Sepe Catello , Benedusi Francesca , Bellone Andrea , Ghiadoni Lorenzo , Barbieri Greta , Santini Massimo , Guiddo Grazia , Riccardi Alessandro , Lerza Roberto , Coen Daniele
Published: June 2021

In Northern Italy the coronavirus infection has spread since February 2020: the increase in admissions of COVID-19 patients corresponded to a drastic decrease in admissions of regular patients to the Emergency Room (ER). This retrospective study was conducted by Academy of Emergency Medicine and Care (AcEMC). During the lockdown period the accesses were reduced by more than 50%, and in the following months of May and June 2020, there was a recovery clearly below (70%) previous year’s numbers. We have observed a drastic reduction in white and green codes, a fair reduction in yellow codes, while red codes remained stable. The decrease in access to the ER mainly concerned patients with low priority color codes, but also the reduction in the number of accesses of yellow and red codes, insignificant at a superficial glance, is notable. If we consider that yellow and red codes during the months of the lockdown included many patients with COVIDrelated respiratory insufficiency, it is evident that there was a clear reduction in the number of serious illnesses not COVID-related. This is certainly another serious consequence of the COVID-19 pandemic.
A perfect refractory electrical storm by acute toxicity of accidental aconitine intake
Authors: Menichetti Francesca , Bartolucci Paola , Matteucci Maria Luisa , Gori Luigi , Ieri Alessandra , Gambassi Francesco , Baronti Roberto , Vanni Simone , Mannaioni Guido , Del Rosso Attilio
Published: June 2021

A 51-years-old male presented with drooling, hematemesis and diarrhea in emergency department after accidental ingestion of homemade aconitine tincture. Examination revealed shock and initial ECG showed atrial fibrillation. The patient suddenly developed a pulseless wide QRS complex tachycardia requiring resuscitation maneuvers. The rhythm varied from monomorphic ventricular tachycardia to torsade de point to ventricular fibrillation. Repeated direct-current cardioversions were unsuccessful. After intravenous electrolyte correction and anti-arrhythmic drugs administration, a last direct-current shock was finally successful. Bradycardia and ventricular excitability persisted over 12 hours with gradual normalization. Patient was discharged in normal sinus rhythm without any medication and on follow-up he was totally asymptomatic.

With the increasing popularity of traditional medicine, clinicians should be alerted to the risk of herbal substances with low margins of safety like Aconitum in order to allow correct diagnosis and treatment. The general public should be educated that herbal medicine is not always safe.
Assessment of an expanded-polypropylene isothermal box to improve logistic sustainability of catering services
Authors: Casson Andrea , Giovenzana Valentina , Tugnolo Alessio , Pampuri Alessia , Fiorindo Ilaria , Beghi Roberto , Guidetti Riccardo
Published: June 2021

The European catering sector is hugely expanding and serves over 6 billion meals every year, which translate in 65 million meals per day. The aim of our study was to investigate the environmental performance of the expanded-polypropylene (EPP) box production process to improve sustainability in catering services. Moreover, a quantification of the environmental benefit in using the EPP box instead of the conventional packaging was performed. The life cycle assessment was conducted following the ISO 14044:2006 standard. The EPP box for food delivery makes it possible to design a catering service characterised by –37% of overall impacts compared to the use of the common box. EPP represents a useful solution for environmentally sustainable catering services due to its mechanical response and the insulating properties of the polymer foam. The environmental impact of the EPP box life cycle can be further reduced (–29%) by changing the energy country mix and applying a circular economy model, thus recycling the 100% of the EPP box. In conclusion, the EPP box represents a useful solution for an environmentally sustainable catering service.
A RETROSPECTIVE LONG-TERM STUDY ON AGE AT MENARCHE AND MENSTRUAL CHARACTERISTICS IN 85 YOUNG WOMEN WITH TRANSFUSION-DEPENDENT Β-THALASSEMIA (TDT) BORN BETWEEN 1965 AND 1995
Authors: De Sanctis Vincenzo , Di Maio Salvatore
Published: June 2021

Summary. Background: Menarche is an important milestone in the reproductive life of a woman, and regular menstrual cycles reflect normal functioning of the hypothalamic-pituitary-ovarian axis, a vital sign of women’s general health. Aim of the study:We explored the age at menarche and the following menstrual cycles characteristics among 85 unmarried Transfusion-Dependent β-Thalassemia (TDT) women,borned between 1965 and 1995, in relation to iron chelation therapy (ICT) with desferrioxamine (DFO) and nutritional status, assessed by body mass index (BMI). Results: 53 adolescents who had begun ICT before the age of 10 years experienced menarche at 13,7 ± 1,6 years (mean ± DS), whereas 32 who begun treatment after 10 years experienced menarche at the significantly later age (15.5 ± 1.9 yrs; p: 0.001). At the age of menarche: BMI-Z score (n= 67, - 0,09 ±1) was inversely correlated with both age at starting ICT (r = - 0,39; p = 0001) and age at menarche ( - 0,45, p = 0,0001). Serum ferritin levels (SF) were significantly correlated with the age at starting chelation therapy (n = 79; r = 0,34; p = 0,022). In 56 TDT adolescents who developed secondary amenorrhea (SA), the SF levels were significantly higher (4,098 ± 1,907 ng/mL) compared to 23 TDT adolescents with regular menstrual cycles (2,913±782 ng/mL; p = 0,005). A nutritional status of "thinness" at menarche was associated to a lower prevalence of subsequent regular menstrual cycles and to a higher prevalence of early SA. Conclusion: An early ICT in TDT patients was associated to a normal "tempo" of pubertal onset and to a higher frequency of subsequent regular menstrual cycles. In TDT patients, who developed SA, a diagnosis of acquired central hypogonadism was made, mainly due to the chronic exposure to iron overload, however other potential causes linked to nutritional status, deficient levels of circulating nutrientsand the chronic disease itself cannot be excluded.
Treatment of relapsed/refractory CLL with Venetoclax-Rituximab during the COVID-19 pandemic: A daily-life experience in southern Italy.
Authors: Molica Stefano , Sportoletti Paolo , Di Renzo Nicola , Musto Pellegrino , Pane Fabrizio , Di Raimondo Francesco
Published: June 2021

With more than 3 million proven infections and 100.000 associated deaths in Italy, the COVID-19 pandemic poses extraordinary challenges to health-care professionals and especially to those caring for patients with haematologic malignancies  (1-2). Given the multiple   immune  defects characterizing chronic lymphocytic leukaemia (CLL), it is considered that patients with this form of leukemia have a high-risk of suffering severe forms of COVID-19 (3-4).
THE PROTHROMBOTIC STATE ASSOCIATED WITH SARS-COV-2 INFECTION: PATHOPHYSIOLOGICAL ASPECTS
Authors: Semeraro Nicola , Colucci Mario
Published: June 2021

Severe coronavirus disease-2019 (COVID-19) is frequently associated with microvascular thrombosis, especially in the lung, or macrovascular thrombosis, mainly venous thromboembolism, that significantly contribute to the mortality burden of the disease. COVID-19 patients also exhibit distinctive laboratory abnormalities that are compatible with a prothrombotic state. The key event underlying COVID-19-associated thrombotic complications is an excessive host inflammatory response to severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) infection generating multiple inflammatory mediators, mainly cytokines and complement activation products. The latter, along with the virus itself, the increased levels of angiotensin II and hypoxia, drive the major cellular changes promoting thrombosis, which include: (1) aberrant expression of tissue factor by activated alveolar epithelial cells, monocytes-macrophages and neutrophils, and production of other prothrombotic factors by activated endothelial cells (ECs) and platelets; (2) reduced expression of physiological anticoagulants by dysfunctional ECs, and (3) suppression of fibrinolysis by the endothelial overproduction of plasminogen activator inhibitor-1 and, likely, by heightened thrombin-mediated activation of thrombin-activatable fibrinolysis inhibitor. Moreover, neutrophils and other cells, upon activation or death, release nuclear materials which are endowed with potent prothrombotic properties. The ensuing thrombosis significantly contributes to lung injury and, in most severe COVID-19 patients, to multiple organ dysfunction. Insights into the pathogenesis of COVID-19-associated thrombosis may have implications for the development of new diagnostic and therapeutic tools.
Immune thrombocytopenic purpura cases following COVID-19 vaccination.
Authors: Condorelli Annalisa , Markovic Uros , Sciortino Roberta , Di Giorgio Mary Ann , Nicolosi Daniela , Giuffrida Gaetano
Published: June 2021

Not requested.
La dendroisotopie
Authors: Savard M M , Bégin C
Published: June 2021

A tree is as a natural archive of valuable environmental information that allows going back in time if its growth rings are precisely dated, and the indirect indicators or proxies they contain are well understood. Dendroisotopy, a clever combination of
dendrochronology and isotope geochemistry, is part of this process because it can provide a very informative look at the biogeochemical conditions of the past, and eventually help reconstructing climate. This possibility exists because the mechanisms that govern the distribution of isotopes in trees
are increasingly better known. This section briefly summarizes how dendroisotopy of carbon and oxygen may reflect environmental changes such as the impact of atmospheric pollution, ecological changes, and particularly climatic conditions.
L'analyse des sédiments lacustres
Authors: Francus P , Fortin D
Published: June 2021

Lacustrine sedimentary sequences represent, in addition to tree rings, another indirect source of information on past hydro-climatic conditions. The laminated sequences of sediments stands as 'varves' when being established to be annual. They are lithogenic or
clastic when they originate from the accumulation of terrigenous sediments related to seasonal variations of hydrologic run-off. The ARCHIVES experts has adopted a procedure for prospecting lakes likely to have varved sediment sequences, for sampling, collecting, conserving and processing sediments
samples, and for the construction of 'composite' sedimentological series. The measured characteristics of the latter (thickness of the varves) are compared with the hydroclimatic data registers and also with the other reconstructions established by dendrochronology.
Le climat et les très grands feux à la Baie de James
Authors: Arseneault D , Erni S , Héon J , Bégin Y
Published: June 2021

The James Bay area in northern Québec is characterised by frequent and large wildfires and is one of the most fire-prone regions of the entire North American boreal zone. This region also comprises several anthropogenic infrastructures, mostly related to the
La Grande Hydroelectric Complex. Within the frame of the ARCHIVES project, we have developed a new approach in order to simultaneously reconstruct fire size and fire-free intervals of the last 200 years. Our objectives where: 1- to reconstruct fire size and identify large fire and severe drought
years; 2- to verify whether or not the risk of burning and infrastructure vulnerability increase with fuel recovery and time since last fire. Our results reveal a fire regime shift at the beginning of the 20th century, from the absence of large fire year (1850-1915), to the regular recurrence of
very large fire years (1915-2013). Following this shift, the probability of burning has increased with time since last fire, such that the risk of burning and infrastructure vulnerability would be quantifiable from maps of forest age.
Analyse des relations entre le climat et les séries temporelles de densité de cerne
Authors: Nicault A , Cournoyer L , Labarre T , Bégin Y
Published: June 2021

In the framework of the ARCHIVES project, we produced several chronologies of tree-ring density, in addition to the tree-ring widths, tree-ring isotopes and varved sediments temporal series. In the literature tree-ring maximum density is indeed considered as a
very good indicator of temperature. The paleoclimatic potential of 38 tree-ring minimal density chronologies and 38 tree-ring maximum density chronologies was analyzed. While the potential of minimum density is fairly low in terms of climate reconstructions, the potential of maximum density is very
good in terms of summer temperature reconstruction. However, several chronologies have revealed a decrease in the density to climate relationship since the late 60s. This decrease is interpreted as a climate divergence phenomenon, as previously suggested in the literature. Thus, the use of tree-ring
maximum density chronologies in climate reconstructions must take into account this phenomenon.
Influence des variations interannuelles du climat sur la croissance radiale des épinettes noires
Authors: Nicault A , Boucher É , Tapsoba D , Bégin Y
Published: June 2021

This study aims at analyzing the relationships between the black spruce (Picea mariana Mill. BSP) radial growth response to climate over a wide territory on the northern Quebec-Labrador peninsula's boreal forest. Firstly, a hierarchical cluster analysis was
conducted to detect the affinities among 93 black spruce tree-ring width series. Secondly, linear multiple regression analysis, associated with a bootstrap technique, was used to calculate response functions of the tree-ring series. As a result, spatial affinities among tree-ring series highlight a
geographical pattern that can be related to the spatial variability of the tree-ring - climate relationships. Inter-annual growth variations are governed mainly by temperature variables of the preceding growing season: November temperatures have a negative influence, while April has a positive one
for among the westernmost trees, as do December-January for the southernmost trees. Growing season temperatures (mainly July temperatures) influence only the northernmost and easternmost populations. The response was spatially interpolated using a kriging technique with an external
drift.
Des arbres virtuels pour reconstituer les variations climatiques : une approche basée sur les processus écophysiologiques
Authors: Boucher É , Guiot J , Berninger F , Gennaretti F
Published: June 2021

Tree-ring science is experiencing an important paradigm shift. Historically defined as an empirical science based on the study of statistical relationships between climate and growth, studies now choose to focus on the mechanistic / deterministic modelling of
such relationships. This new approach consists in developing and improving ecophysiological models (also referred to as 'virtual trees'). Such virtual trees form an ensemble of rules and equations that allow for the dynamical simulation of tree response to hydro-climate variations. This new approach
offers several advantages for future tree ring research: it should improve our capacity to predict tree response in the face of climate change and should also help producing reconstructions that are in line with processes controlling growth. This chapter aims at demonstrating that this paradigm
change can be beneficial to tree ring studies conducted in the Quebec-Labrador region.
Contexte paléoenvironnemental d'un lac à troncs subfossiles
Authors: Rodrigue G , Francus P , Fortin D
Published: June 2021

This research specifies the palaeoenvironmental context (mainly the occurrence of fires and the rate of sedimentation) of a lake containing an important deposit of subfossil trunks used to develop a millennial dendroclimatic reconstruction within the framework of
the ARCHIVES project (Chapter 18). Charred ericaceous macroremains in the soils of the riparian forest at site L18 have been dated with radiocarbon and corroborate the fire history reconstructed from the recruitment sequences of subfossils in the lacustrine littoral zone over the past millennium.
Geochemical analyzes show that sediment inputs to the lake and limnological conditions have not changed significantly during this period. Consequently, although the fires influenced the regularity of the supply of subfossil trunks, they did not influence their conditions of conservation in
water.
Longues séries dendrochronologiques établies à partir de troncs subfossiles
Authors: Gennaretti F , Autin J , Bouthillier Y , Arseneault D
Published: June 2021

Long tree-ring chronologies are often used in paleoecological and paleoclimatic reconstructions. However, in some regions of the World, such as Eastern North America, these chronologies are scarce. One objective of the ARCHIVES project was to develop a network of
long tree-ring chronologies using black spruce subfossil logs collected in six lakes of the Quebec boreal forest. A large number of the sampled logs (1832 specimens) were successfully crossdated, which allowed the development of six long tree-ring chronologies spanning at least 1238 years. At the
local scale, these chronologies show the influence of past wildfires on subfossil log recruitment in the lakes and on riparian forest growth. Furthermore, these chronologies are strongly correlated with observed July-August mean temperatures during the last century. These local chronologies were
thus used to reconstruct past summer temperatures in the region. A well-expressed Medieval Warm Period (around AD 910-1250), which was warmer than recent conditions, was followed by the Little Ice Age (around AD 1300-1900) and by recent warming. The coldest decades of the last millennium,
corresponding to the lowest riparian forest growth, were observed after the strong Kuwae and Tambora volcanic eruptions in AD 1452 and 1815, respectively.
Antithrombotic property of an aqueous extract from Pseudocedrela kotschyi and Adenia cissampeloides
Authors: Nyansah Wilson Bright , Koffuor George Asumeng , Ben Inemesit Okon , Gyanfosu Linda , Ehigiator Ben Enoluomen
Published: June 2021

Background and purpose:

An aqueous extract from the root bark of Pseudocedrela kotschyi and aerial parts of Adenia cissampeloides has been proven in previous research to elicit significant anticoagulant property in vitro. This, therefore, indicates the potential usefulness of this extract in managing thromboembolic disease, a major global health risk. The aim of the present work was to establish the antithrombotic effect of a product made from extracts of the root bark of P. kotschyi and the aerial parts of A. cissampeloides (PAE).

Experimental approach:

The effect of PAE at 500-2000 mg/kg in inhibiting tail infarction and inflammation, as well as its effect on the microthrombi count, hematological, and coagulation profiles in a carrageenan-induced thrombosis model in Sprague-Dawley rats, was studied.

Findings/Results:

PAE significantly (P ≤ 0.01-0.001) reduced length of tail infarction and inflammation (redness, swelling, pain, and temperature). Histopathological studies revealed a significant reduction (P ≤ 0.0001) in microthrombi count in the liver and the lungs with PAE treatment. PAE treatment caused a marginal (P ≤ 0.01) increase in prothrombin time but resulted in a significant (P ≤ 0.01-0.0001) dose-dependent increase in activated partial thromboplastin time, with the hematological profile being normal.

Conclusion and implications:

PAE showed anticoagulant and antithrombotic effects in vivo, indicative of its potential benefit as a natural product, and cost-effective therapeutic option, and hence could be helpful in thromboembolic therapies.
Acute Heart Failure Due to Invasive Pneumococcal Disease and Purulent Pericarditis
Authors: Tersalvi Gregorio , Averaimo Manuela , Winterton Dario , Scopigni Francesca
Published: June 2021

This report describes a 61-year-old female with no previous cardiovascular history presented with acute heart failure. Clinical, laboratory, and imaging findings suggested the diagnosis of pneumococcal invasive disease with concomitant purulent pericarditis. Prompt pharmacological and operatory treatment with both pericardiocentesis and further fenestration brought to a complete recovery.
Vanishing bone disease
Authors: Saify Fatema Yusuf , Gosavi Suchitra , Jain Shilpa , Sood Meenakshi
Published: June 2021

Vanishing bone disease is a rare clinical entity with unknown etiology. This disease affects individual irrespective of age or sex. Various names have been used in the literature to describe this condition such as Gorham's disease, phantom bone disease, massive osteolysis, disappearing bone disease and acute spontaneous absorption of bone. The pathogenesis is unknown and the treatment still remains controversial. Considering the rarity of the disease, we report here an interesting and unique case of massive osteolysis of the lower jaw that affected the mandibular basal and alveolar bone. The diagnoses lead on the association of clinical, radiological and histological features.
Parapharyngeal space pleomorphic adenoma with extensive lipometaplasia – A rare unique pathological entity
Authors: Mani Suresh , Anto Ronald , Michael Rajiv C , Ponmar Madhurima
Published: June 2021

Pleomorphic adenoma (PA) is the most common neoplasm of the salivary gland. Fat-containing tumors encountered in salivary glands are very rare. We had a case of PA of parapharyngeal space and surprisingly the final histopathology showed an unusual finding of lipometapasia. We believe that this is the first case from parapharyngeal space to be reported in the literature. The aim of this report is to discuss the behavior of lipometaplasia in PA with review of literature. Pathological characterization of this rare tumor might help in proper classification and enhance their recognition.
Ghost cell odontogenic carcinoma of anterior mandible
Authors: Vijayakumar Gopikrishnan , Kamboj Mala , Narwal Anjali , Devi Anju
Published: June 2021

A 24-year-old male reported to the outpatient department with a complaint of swelling of the anterior lower jaw region for 9 months with history of traumatic injury and extraction of teeth from the same region, a month before the onset of swelling. Swelling was obvious extra- and intraorally which on examination presented as a soft to firm non-tender and non-fluctuant mass with an approximate size of 4 cm × 3 cm, extending from 34 to 43 region with obliteration of labial vestibule. Panoramic radiograph and cone-beam computed tomography showed a well-defined radiolucency in the mandibular anterior region crossing the midline with erosion of labial bony plates and root of 42 along with a tooth-like radiopaque mass within the lesion. Provisional diagnoses of odontogenic keratocyst, ameloblastomas, central giant cell granuloma and calcifying epithelial odontogenic tumor were listed. The histopathological and immunohistochemical examination of lesion followed by the biopsy confirmed the diagnosis of Ghost cell odontogenic carcinoma.
Noncalcifying clear-cell variant of calcifying epithelial odontogenic tumor
Authors: Patankar Sangeeta , Choudhari Sheetal , Sharma Shubhra , Dhumal Snehal
Published: June 2021

Clear-cell tumors of the head and neck are biologically diverse consisting of benign, malignant and metastatic lesions. These tumors pose a diagnostic challenge. In the oral cavity, these may be derived from odontogenic/nonodontogenic epithelium or from mesenchyme or can be metastatic. Odontogenic tumors with clear-cell change are rare. Calcifying epithelial odontogenic tumor (CEOT) is a rare, benign, locally aggressive odontogenic epithelial tumor affecting the jaw. Here, we report a case of clear-cell variant of CEOT with its histopathological differential diagnosis. A 43-year-old male patient with swelling in his lower right back tooth region showed a well-defined radiolucent lesion with smooth corticated periphery on radiograph. On incisional biopsy, tumor showed small sheets, cords and islands of odontogenic epithelium with nests of clear cells with no evidence of calcification. A final diagnosis of CEOT was established by differentiating other odontogenic and nonodontogenic lesions on the basis of clinical, radiographic, histopathologic and special stain features.
Cheiloscopy and dermatoglyphics in normal and obese individuals
Authors: Shivakumar Hosmath G , Nandini D B , Mohan Kumar K P , Selvamani M , Priya N K , Madhushankari G S
Published: June 2021

Background:

The prevalence of obesity has been steadily increasing worldwide. Reliable and noninvasive tools that can be used to diagnose such conditions may help us in mass screening and prevention. Finger prints and lip prints have been used as the genetic markers in some diseases such as diabetes mellitus. Studies to correlate a possible association of such markers among obese individuals have not been reported in India to date. The present study was conducted to determine and compare the lip print and finger print patterns in normal and obese individuals and also to evaluate any possible correlation between the lip prints and finger prints in both the study groups.

Methodology:

Lip and finger print patterns of 100 obese and equal number of age- and sex-matched healthy individuals were analyzed. Right thumb, right index, left thumb and left index finger prints were evaluated. Gender-wise comparison was also made.

Results:

Lip prints revealed no significant difference between obese and nonobese individuals. Predominant Type I lip print was observed in both the study groups. Comparison of finger prints between obese and nonobese individuals revealed a highly significant results for all the fingers. Predominant finger print patterns in the right thumb, right index, left thumb and left index among obese individuals were whorl (51%), loop (83%), whorl (79%) and arch (74%), respectively. No correlation between the lip prints and finger prints was noted.

Conclusion:

Finger prints in the obese individuals showed significant differences when compared to the normal controls while lip prints failed to reveal any significant difference. Lip prints did not correlate with the finger prints. Right thumb revealed a significant gender difference among obese individuals.
“Gigantic aggressive angiomyxoma” of the jaws
Authors: Majumdar Swapan Kumar , Hussain Mohsina , Raha Anirban , Barman Sanjit
Published: June 2021

Angiomyxomas are a group of rare myxoid benign mesenchymal tumors prone to local recurrences. Two types of angiomyxomas are well recognized in the literature: superficial and aggressive angiomyxoma. Aggressive angiomyxomas are relatively uncommon, poorly circumscribed, locally infiltrative myofibroblastic tumors with a specific predilection for the perineal regions and exceedingly rare in the head and neck region. To the best of our knowledge, we report the first case of a gigantic aggressive angiomyxoma occurring in both the maxilla and mandible in a 30-year-old male patient. Clinicians should carefully evaluate the clinical, radiological and histological data to derive the correct diagnosis of this myxoid intraoral soft-tissue neoplasm.
Assessment of immunohistochemical expression of p16 in head and neck squamous cell carcinoma and their correlation with clinicopathological parameters
Authors: Pandey Pinki , Ralli Megha , Dixit Alok , Agarwal Savita , Chaturvedi Vineet , Sawhney Anshul , Agarwal Roopak
Published: June 2021

Introduction:

Oral squamous cell carcinoma is a major cause of death throughout the developed world. It is associated with tobacco chewing, paan chewing and alcohol consumption. Human papillomavirus (HPV) type 16 has also been suggested to play a role in the etiology of head-and-neck squamous cell carcinoma (HNSCC). p16 expression is now being used as a surrogate marker of HPV infection in squamous cell carcinoma.

Materials and Methods:

In this cross-sectional observational study, a total of 100 cases of HNSCC were taken. p16 expression was determined by immunohistochemical (IHC) staining and correlated with clinicopathological parameters. The obtained results were analyzed and evaluated using Chi-square test, value of P < 0.05 was taken significant.

Results:

P16 was positive in 60% of cases. A statistically significant direct association was observed between p16 with age, site of the tumor, abnormal sexual habits and lymph node involvement.

Conclusion:

IHC expression of p16 can be used as a surrogate marker of HPV. Study of p16 expression may provide clinicians with more exact information in order to evaluate tumor aggressiveness, treatment modalities and can provide support for vaccination program in a high-risk group.