bluuebunny/crossref_metadata_2025 huggingface dataset:
Des ingénieries à l’ ingenium de formation
Authors: Verquin Savarieau Béatrice , Papadopoulou Melpomeni
Published: June 2023

Cet article questionne les effets du rapprochement du travail et de la formation. Il réinterroge également les pratiques d’ingénierie en formation comme étant l’un des moyens d’accompagner les évolutions du travail. Si cette question n’est pas nouvelle, la centration sociale sur le travail, son utilité et son efficacité, ont pour conséquence de se répercuter également sur les conceptions et les pratiques de formation. Jadis pensée, conçue et animée en dehors de l’activité professionnelle, la formation doit aujourd’hui démontrer son efficacité en intégrant les situations de travail comme l’une de ses principales préoccupations, témoignant ainsi de nouveaux rapports aux savoirs, notamment aux savoirs d’action.
Intervenir en milieu de travail, entre recherche et formation
Authors: Labbé Sabrina , Rougerie Corinne
Published: June 2023

L’article met en dialogue recherche et formation en milieu de travail en interrogeant les collaborations entre apprenants, praticiens et chercheurs. Le titre interroge le sens donné à l’intervention en milieu professionnel. S’agit-il d’intervenir ou d’intervenir ? D’intervenir ou d’interagir ? D’accompagner, de conseiller, collaborer, coopérer… ? À quelles postures ces différents termes renvoient-ils ? Au-delà des termes, quels croisements des savoirs imaginer ? Où se tissent donc les espaces de réflexivité pour une hybridation féconde entre recherche, formation et pratiques professionnelles ? Existe-t-il des pratiques émergentes, invisibles voire clandestines, dans ce domaine ? Quid de l’investigation sur des données auxquelles on ne s’attend pas (littérature grise, enregistrement de réunions, artefacts de l’activité…) ou avec des outils collaboratifs devenus des outils de recherche. C’est bien au cœur de la sémantique de l’« entre » que s’invite le débat afin de mettre en évidence les dimensions médiatrices, voire traductrices, à l’œuvre.
Les relations travail-formation au Brésil
Authors: Lima Araújo Ronaldo M. , Moreira Cunha Daisy , Renier Samuel
Published: June 2023

L’article part d’une lecture du contexte brésilien pour montrer quelles sont les dimensions permettant de comprendre et de caractériser la nature des relations entre travail et formation. À travers une étude des dimensions historiques, épistémologiques, politiques et géographiques, il s’agit d’identifier ce qui constitue la singularité de cette question au Brésil, et de poser les prémisses d’une théorie située des relations entre travail et formation, appelant à un décentrement du regard afin de réévaluer l’importance de ces dimensions dans l’appréhension de contextes autres et d’en souligner le caractère éminemment problématique et politique.
Quand le travail s’invite, qu’en est-il des visées émancipatrices de la formation ?
Authors: Ulmann Anne-Lise , Fristalon Isabelle
Published: June 2023

Depuis longtemps, la formation des adultes est suspectée de négliger les visées sociales qui étaient les siennes : former des citoyens. Cette suspicion est d’autant plus actuelle que la loi de 2018 assigne à la formation un objectif explicitement professionnel. On peut comprendre les craintes des partenaires sociaux à l’égard de ce « tournant utilitariste » dès lors que le travail s’invite dans la formation. L’article s’attache pourtant à faire l’hypothèse inverse : faire usage des situations de travail comme ressources pour la formation peut constituer un levier et permettre aux professionnels de tenir un point de vue sur leur activité, de s’émanciper d’un prescrit intenable et de réinstaurer des dialogues professionnels contribuant à plus de démocratie au sein des organisations.
Comment ré-inventer un patrimoine de goût dans un contexte de crise ? Le cas du champagne des vignerons
Authors: Ndione Louis César
Published: June 2023

Les maisons de champagne ont pu, à force de communication, construire un champagne de haute couture et de luxe. Cette recherche se concentre sur les vignerons (récoltants-manipulants et récoltants-coopérants) fortement ancrés dans des valeurs de terroir et d’authenticité. Confrontés à la baisse de la demande et d’une offre concurrentielle forte, nous nous interrogeons sur comment ré-inventer le patrimoine du champagne pour mieux valoriser et différencier ce produit. À partir d’une approche qualitative, nous mettons en avant l’intérêt de développer une nouvelle stratégie patrimoniale, de promouvoir une valorisation économique de l’offre et de renforcer le marketing expérientiel existant. Cette recherche se conclut par des contributions managériales et opérationnelles utiles portant sur la stratégie de mise en patrimoine à envisager dans ce secteur en crise.
Mécanismes de gouvernance et financement par Equity lines
Authors: Annaoui Ilias , Barneto Pascal
Published: June 2023

Un financement par Equity lines permet à un dirigeant de recourir par tirages successifs à des augmentations de capital quand il le souhaite sur une période convenue en vue de renforcer ses capitaux propres. Il s’agit de savoir si les variables de gouvernance (conseil d’administration, structure de l’actionnariat et catégorie de dirigeants), peuvent expliquer le recours à un tel financement. Notre étude est menée auprès de 374 firmes de 15 pays sur 15 ans. Les entreprises avec un actionnariat institutionnel et des dirigeants P-DG, masculins, plutôt âgés et moins diplômés, sont celles qui émettent le plus de financement par Equity lines .
Supermatrix analyses reveal the importance of outgroup, gene and taxon sampling in Onosma (Boraginaceae) phylogenetics
Authors: Aygören Uluer Deniz
Published: June 2023

Tribe Lithospermeae (Boraginaceae) consists of ca. 26 genera and 470 species, in which Onosma constitutes approximately one third of the species (~150). Although the tribe is strongly supported as monophyletic, both generic and species boundaries remain ambiguous. Among them, not only the phylogenetic position of Eastern Asian Onosma species, but also the taxonomic limits of the genus remain unclear. Whether Eastern Asian Onosma is monophyletic, or the genus should be widened to include Maharanga, and maybe Cystostemon, are still open questions. For these reasons, I performed 16 phylogenetic analyses with different taxon coverages, alignments, gene regions and outgroups, with up to 746 taxa of tribe Lithospermeae and with five DNA regions, using data from GenBank. The results, with the widest taxon coverage to date, show that while genus Onosma is not monophyletic in any of the analyses, the phylogenetic relationships among Onosma s.s., Eastern Asian Onosma, Maharanga and Cystostemon differ among analyses. However, the approximately unbiased (AU) test showed that the topology (((Eastern Asian Onosma+Maharanga) Cystostemon) Onosma s.s.) is overwhelmingly supported. Therefore, the current study highlights the importance of taxon, gene and outgroup sampling in Onosma phylogenetics.
A Review of Primary. Secondary, and Tertiary Prevention Strategies for Alzheimer’s Disease
Authors: O'Donnell Heather
Published: June 2023

This paper explores the non-modifiable and modifiable risk factors for Alzheimer’s, as well as the Alzheimer’s primary prevention, secondary prevention, and tertiary prevention strategies that can be implemented. Alzheimer's is the sixth leading cause of death in the United States and the most expensive chronic disease (Alzheimer’s Association, 2020). It has a detrimental physical, psychological, and financial impact on patients and caregivers (Alzheimer’s Association, 2020). People can reduce their risk of developing Alzheimer’s by eating a healthy diet, using hearing aids for hearing loss, engaging in regular physical activity, spending time with other people, doing mentally stimulating activities, reducing alcohol consumption, and avoiding tobacco (Livingston et al., 2020). Early screening and diagnostic tools are important because they allow people living with Alzheimer’s to establish an effective care plan and to take advantage of treatments, which are most effective in the early stages of the disease (Guzman-Martinez et al., 2021). Some screening and diagnostic tools include biomarkers, scalable screening technologies, and cognitive assessments (Guzman-Martinez et al.,18 2021). Primary and secondary prevention strategies must address the needs of minority populations, who have a higher risk of developing Alzheimer’s compared to the general population (Livingston et al., 2020). Federal public health initiatives, such as the National Alzheimer’s Project Act, the Dementia Prevention Action Plan, and the Behavioral Risk Surveillance System, play an important role in Alzheimer’s public health research, surveillance, and prevention strategies (Chong et al., 2021; Kelley et al., 2018).
Dans les cours européennes du xviie siècle, la mode de la peinture sur émail
Authors: Cardinal Catherine
Published: June 2023

À partir des années 1630, la peinture sur émail remporte un succès considérable dans les cours d’Europe. Ses qualités – précision du dessin, variété des nuances colorées, inaltérabilité des couleurs, résistance à la lumière et à l’humidité – séduisent. Elle renouvelle la décoration des petits objets de luxe, comme les boîtes à portrait, miroirs, montres, bijoux, servant à des présents sentimentaux ou à des cadeaux officiels. Portraits, décors de fleurs, scènes historiques composent le répertoire apprécié par la clientèle. Les archives et les pièces conservées laissent entrevoir la diffusion de cette mode au sein de l’aristocratie européenne et l’activité de peintres émailleurs à Blois, Paris, Londres, Genève.
China’s Paths to Modern Technology: From Institutional Innovations to Confucian Scholarly Learning of Arts, 1860-1885
Authors: Chen Hailian
Published: June 2023

Driven by Western imperialism, the late Qing reformers embarked on a new path towards institutionalizing technology-related matters for attaining China’s technological independence. Hitherto, overwhelming attention has been given to the training and translation programs in the Fuzhou Navy Yard and the Jiangnan Arsenal, but the influence of both institutional models in Chinese intellectual history has been overlooked. This article recasts our understanding of the origin of both models (jiqiju for industrial manufacturing and yiju for education) in the context of borrowing and imitating Western methods, and demonstrates how the two models stimulated the Confucian scholarly learning of arts. It argues that these pre-1885 efforts and debates on rewarding talent changed the trajectory of the Chinese intellectual pursuit of technology and paved the way to reforming the entire educational system after 1895.
Un événement revisité : la première projection du cinématographe Lumière et la Société d’encouragement pour l’industrie nationale (1895-2015)
Authors: Blouin Daniel , Emptoz Gérard
Published: June 2023

La première projection du cinématographe Lumière, le 22 mars 1895, dans l’hôtel parisien de la Société d’encouragement pour l’industrie nationale, à l’occasion d’une conférence que cette dernière avait organisée, aurait pu être, par la suite, chargée d’un crédit symbolique fort dans sa construction mémorielle. L’institution était en effet prompte à mettre en exergue ce qu’elle considérait comme des mises en avant d’innovations décisives, ayant permis le développement de nouveaux domaines productifs. La séance du 22 mars est pourtant restée, durant plusieurs décennies, dans l’ombre de la mémoire de la Société. Elle n’a été que très progressivement valorisée, au fil d’évocations et de commémorations. Cet article voudrait montrer, en s’appuyant sur les fonds patrimoniaux de l’institution ainsi que sur la connaissance que nous avons aujourd’hui de l’évolution de sa démarche d’encouragement à l’invention, les raisons de cette occultation et la manière dont l’événement a été revisité, au fur et à mesure d’une recomposition de son histoire.
Das Residuale und die gegenwärtige deutschsprachige Science-Fiction
Authors: Siddharth Anupam
Published: June 2023

Der Beitrag untersucht die erhöhte Beschäftigung mit dem Residualen in der gegenwärtigen deutschsprachigen Science-Fiction. Dabei wird das Residuale in zwei Kategorien aufgeteilt, erstens als das Abwesende und zweitens als das Übriggebliebene. Diese zwei Kategorien dienen einerseits zum Weltentwurf in den Werken, andererseits stiften sie eine Dialektik zwischen Kontinuität und Abbruch. An dieser Stelle wird ein Vergleich mit Suvins und Jamesons Modell der Gattung unternommen, wobei die dialektische Basis bei den beiden Theoretikern mit Blick auf Fukuyamas Behauptung vom „Ende der Geschichte“ und dessen Wirkung auf Science-Fiction und ihre Aufgabe (nämlich die Vorstellung einer Totalität) untersucht wird. Schließlich erläutert der Beitrag am Beispiel von drei Werken (Elmigers Einladung an die Waghalsigen, Nawrats Unternehmer und Rieksʼ Serverland), wie das Residuale in unserem Zustand der verwirklichten Geschichte wieder eine historische Achse stiften kann und dabei eine ebenfalls auf das Residuale fundierte Totalität ermöglicht.
Le futur : une vieille histoire ? Quelques approches vidéoludiques allemandes récentes de la science-fiction, entre thèmes établis, renouveau et spécificités du média
Authors: Hagemann Simon
Published: June 2023

L’article étudie cinq jeux vidéo allemands de science-fiction sortis au cours des cinq dernières années, en vue d’identifier les tendances en matière de contenu et d’approches spécifiques du média vidéoludique. L’analyse se concentre sur quelques-uns des principaux thèmes établis de la science-fiction. La transformation du monde par les nouvelles technologies, la conquête de l’espace et la question de la place de l’homme dans le cosmos sont toujours des thèmes centraux, mais on note des évolutions de ces thèmes quand on entre dans les détails. L’article montre comment, d’une part, les approches traditionnelles de la science-fiction sont poursuivies et comment, d’autre part, de nouvelles perspectives sont développées et de nouveaux thèmes abordés, en particulier le changement climatique et les évolutions sociales induites par une intrusion toujours plus forte de l’intelligence artificielle. De plus, l’article aborde certaines particularités de la forme médiatique du jeu vidéo en rapport avec la thématique de la science-fiction.
Intelligent Librarians in the Metaverse
Authors: Daradkeh Mohammad
Published: June 2023

The field of library intelligence has seen significant attention in academic circles, with various perspectives offered on its future trajectory. However, there remains a dearth of research on the crucial role of intelligent librarians as a defining component of library intelligence, which is emerging as a novel profession. The advent of metaverse technology has not only sparked new opportunities for library intelligence, but also amplified the demands for the professional capabilities of intelligent librarians. This chapter endeavors to provide a comprehensive examination of the evolution, applications, and benefits of metaverse technology within the library context and delves into the concept of intelligent librarians in relation to metaverse, as well as identifying the necessary skills and training pathways for this emerging profession. Furthermore, this chapter highlights the importance of collaboration between library professionals, technology experts, and other stakeholders in the development and implementation of library intelligence and metaverse technology.
An Efficient Approach for Sending Identification Bit With the Help of Blowfish-RC6
Authors: Patidar Kailash , Tiwari Damodar Prasad , Sharma Priyanka , Pandagre Karuna Nidhi , Shukla Amit Kumar
Published: June 2023

This chapter used an efficient mechanism based on blowfish and the RC6 (BRC6) algorithm for better security against cross-site scripting (XSS) attacks. The data types covered in this are text, images, web files (scripts and web pages), Word documents, and PDFs. In this process, data is requested from the server, and the server prepares the file so that only legitimate users can access the data by using BRC-6 with the send identification bit (SIB) mechanism. Various comparisons were made based on statics. Results are also compared based on the number of messages (NOM) and number of random numbers (NRN), which includes seven traditional and proposed methods. Then a comparison based on the number of data encryption (NDE), number of data decryption (NDD), and key length (KL) is done. The overall comparison results clearly show that BRC6 outperforms all other methods, and the approach outperforms traditional methods in all criteria.
ChatGPT 3.5 and 4
Authors: Holland Barbara Jane
Published: June 2023

November 2022, ChatGPT, a powerful chat-like AI tool, was created by a company named Open AI. ChatGPT is a large language model (LLM) and a subset of machine learning that can identify, condense, translate, predict, and produce text. The large language model (LLM), sometimes called “autocomplete on steroids,” has drawn attention for its ability to present human-like answers to queries. Its work has received passing grades on university law and business exams and has been used in a Colombian court to help decide a legal ruling. Academia has expressed concern as to AI's potential to undermine the education system or contribute to academic dishonesty if students use the technology in place of their thoughts, opinions, and research. Moreover, journal editors, researchers, and publishers are now debating the place of such AI tools in the published literature and whether it's appropriate to cite the bot as an author. This chapter explores ChatGPT and its impact on librarianship, academia, scholarly research, the workplace, and other entities.
Clinico-Etiological Spectrum and Functional Outcomes of Children with Pre-Status Dystonicus and Status Dystonicus (SD): A Descriptive Study
Authors: Joshi Shridhar P. , Thomas Maya , Yoganathan Sangeetha , Danda Sumita , Chandran Mahalakshmi , Jasper Anitha
Published: June 2023

Background:

Status dystonicus (SD) is a life-threatening movement disorder emergency characterized by increasingly frequent and severe episodes of generalized dystonia, requiring urgent hospital admission. The diverse clinico-etiological spectrum, high risk of recurrence, and residual disabilities complicate functional outcomes.

Aim:

We aim to describe the clinico-etiological spectrum, radiology, therapeutic options, and follow-up of patients with pre-status dystonicus (pre-SD) and SD.

Methodology:

A cross-sectional retrospective study was carried out in a tertiary care referral center. The clinical, laboratory, and radiology data of all patients aged less than 18 years with pre-SD and SD from January 2010 to December 2020 were collected. The Dystonia Severity Assessment Plan (DSAP) scale for grading severity and the modified Rankin Scale (mRS) for assessing outcome were used at the last follow-up visit.

Results:

Twenty-eight patients (male:female: 2.1:1) experiencing 33 episodes of acute dystonia exacerbation were identified. The median age at the onset of dystonia and SD presentation was 8.71 (range: 0.25–15.75) and 9.12 (range: 1–16.75) years, respectively. Four patients experienced more than one episode of SD. The etiological spectrum of SD includes metabolic (Wilson’s disease—13, L-aromatic amino acid decarboxylase deficiency—one, and Gaucher’s disease—one), genetic (neurodegeneration with brain iron accumulation—three and KMT2B and THAP 1 gene-related—one each), structural—three, post-encephalitic sequelae (PES)—four, and immune-mediated (anti-NMDA receptor encephalitis—one). Five patients had pre-SD (DSAP grade 3), and 23 patients had established SD (DSAP grade 4—17 and DSAP grade 5—six). The Rapid escalation of chelation therapy precipitated SD in 11 patients with Wilson’s disease. Febrile illness or pneumonia precipitated SD in nine patients. Twenty-three episodes of SD required midazolam infusion in addition to anti-dystonic medications. The median duration of hospital stay was 10 days (range: 3–29). Twenty-three patients had resolution of SD but residual dystonia persisted, while two patients had no residual dystonia at follow-up. Three patients succumbed owing to refractory SD and its complications.

Conclusion:

Early identification of triggers, etiology, and appropriate management are essential to calm the dystonic storm.
L-Limonene Reduces Aortic Artery Atherosclerosis by Inhibiting Oxidative Stress/Inflammatory Responses in Diabetic Rats Fed High-Fat Diet
Authors: Han Xia , Qi Huaxin , Niu Jiamin
Published: June 2023

Atherosclerosis, a leading cause of mortality worldwide, is driven by multiple risk factors such as diabetes. Oxidative stress and inflammation assist interrelated roles in diabetes-accelerated atherosclerosis. Thereby, treatment of diabetic atherosclerosis from an oxidative stress/inflammatory perspective seems to be a more effective modality to prevent and delay plaque formation and progression. This study aimed to evaluate the effects of l-limonene (LMN) on oxidative stress/inflammatory responses in the aortic artery of diabetic atherosclerosis-modeled rats. Male Wistar rats (n = 30, 250–280 g, 12 weeks old) were used to establish a diabetic atherosclerosis model (8 weeks) using high-fat diet/low-dose streptozotocin. LMN (200 mg/kg/day) was administered orally, starting on day 30th before tissue sampling. Plasma lipid profiles, aortic histopathological changes, atherogenic index, aortic artery levels of oxidative stress markers (manganese superoxide dismutase, glutathione, and 8-isoprostane), inflammatory markers (tumor necrosis factor-alpha, interleukin (IL)-6, and IL-10), and expression of phosphorylated adenosine monophosphate-activated protein kinase (p-AMPK)/AMPK, Sirtuin 1 (SIRT1), and p-p65/p65 proteins were evaluated. The administration of LMN to diabetic rats improved lipid profiles, aortic histopathological morphology, and atherogenic index (P < 0.05 to P < 0.001). It also increased enzymatic antioxidant activities, decreased 8-isoprostane level, suppressed inflammatory response, upregulated p-AMPK and SIRT1 proteins, and downregulated p-p65 protein (P < 0.05 to P < 0.01). Inhibiting the AMPK through the administration of compound C significantly abolished or reversed the positive effects of LMN in diabetic rats (P < 0.05 to P < 0.01). LMN treatment had dual anti-oxidative and anti-inflammatory actions against atherosclerosis in the aortic artery of diabetic rats. Atheroprotection by LMN was mediated partly through modulation of AMPK/SIRT1/p65 nuclear factor kappa B signaling pathway. LMN appears to be a promising anti-atherosclerotic modality to improve the quality of life in diabetic patients.
The use of retrograde intramedullary femoral nail for tibiotalocalcaneal fusion in charcot ankle & foot joints
Authors: Abdelmoneim Mohamed , Radwan Yasser Abdel Fatah , Elghonaimy Basem Adel , Abo-Elsoud Mohamed
Published: June 2023

Introduction

Charcot arthropathy is a destructive inflammation, which may affect any joint, especially joints of the ankle and foot. Bony fragmentation, fracture, and dislocation will progress to deformity, bony prominence, and instability. This often causes ulceration and deep infection that may necessitate amputation. The objective of the study is to assess the results of treating Charcot ankle with fusion by retrograde intramedullary femoral nail.

Patients and methods

Twenty patients were prospectively studied, all of them were clinically diagnosed to have Charcot ankle arthropathy. Preoperative Assessment of all patients by the American Orthopedic Foot and Ankle Scale (AOFAS) was done. In postoperative follow up, the modified AOFAS score was used with a maximum score of 86, as hind foot motion and ankle motion were blocked by arthrodesis.

Results

Significant improvement in functional score for the series’ patients was encountered. There is increase in the mean score from 33.6 to 73.2 (P<0.001), which considered clinically and statistically significant.

Conclusion

Tibiotalocalcaneal arthrodesis with retrograde intramedullary nail is a successful method for ankle fusion with good clinical and functional scores.
Percutaneous fixation of unstable proximal humeral fractures augmented with external Ilizarov cubes: a new simple technique
Authors: Metwally Osam , Elbromboly Yehia
Published: June 2023

Purpose

To present the management of unstable proximal humeral fractures with percutaneous pinning augmented by an external Ilizarov cubes in elderly patients with poor general condition.

Patients and methods

Between October 2021 and December 2021, 7 patients (mean age: 56.7, range 53–62) with three-part proximal humeral fracture with 2 or more co-morbidities were surgically managed by percutaneous pinning augmented by an external cube. Functional results were evaluated through measuring shoulder range of motion. Radiological evaluation was done by antero-posterior and lateral radiograms of the treated humerus.

Results

The patients were followed up for an average period of 6 months. The external cube and the pins were removed at about the 6 weeks mark. The average range of motion at the final follow up was Abduction 110°, forward flexion 140°, internal rotation 60°, external rotation 58°.

All patients achieved full radiological union.

Conclusion

Percutaneous fixation of unstable humeral fractures is an effective method of treatment especially in elderly patients with multiple co-morbidities. Adding external Ilizarov cubes to the construct is an easy, affordable, and quick method of improving results and minimizing complications of early pin loosening that give the ability of early range of motion and rapid bone union.
Comparison of continuous transmuscular quadratus lumborum block and continuous psoas compartment block for posterior total hip arthroplasty: A randomised controlled trial
Authors: Balakrishnan Arjun , Chhabra Anjolie , Kumar Ajeet , Talawar Praveen , Bhoi Debesh , Garg Heena
Published: June 2023

Background and Aims:

Analgesia for hip surgery involves cutaneous anaesthesia at the site of the skin incision and the anterior hip capsule. This study aimed to compare continuous ultrasound (US)-guided transmuscular quadratus lumborum block (TQLB) with psoas compartment block (PCB) for analgesia in patients undergoing total hip arthroplasty (THA) under general anaesthesia (GA).

Methods:

This randomised, observer-blinded trial included 18–70-year-old American Society of Anesthesiologists physical status I–III patients undergoing THA under GA with either US-guided continuous TQLB or PCB. Primary objectives included a visual analogue scale (VAS; 0–100 mm) at rest and mobilisation at 6 h postoperatively (analysed by intention to treat and per protocol) using a non-inferiority margin of 20 mm. Secondary objectives included VAS at other time points, 24-h fentanyl consumption (analysed using the Wilcoxon rank-sum test), sensory dermatomes anaesthetised, motor weakness 30 min after block, and haemodynamic response to skin incision (analysed using the Chi-squared or Fisher’s exact test). APvalue less than 0.05 was considered statistically significant.

Results:

VAS (0-100 mm) score at 6 h on rest was 25.34 ± 14.25 and 27.3 ± 9.6, mean difference (MD) was 1.9 [−3.3, 7.1] and at movement was 35.1 ± 23.0 and 38.6 ± 17.0, MD was 3.5 [−5.2, 12.2], in the PCB (n= 29) and QLB (n= 30) groups, respectively (i.e. less than the non-inferiority margin). However, VAS (rest) at 1, 12, and 24 h postoperatively and median (IQR) 24-h fentanyl consumption was significantly higher in the QLB group (1212.5 [300–2345] μg] when compared to the PCB group (635 [100–1645] μg;P= 0.0004).

Conclusion:

Though statistically, continuous QLB was non-inferior to continuous PCB for pain at rest and mobilisation at 6-hours postoperatively, a higher 24-hour perioperative fentanyl consumption and VAS show that QLB was clinically inferior to PCB.
Progress of corneal morphological examination combined with biomechanical examination in preoperative screening for keratorefractive surgery
Authors: Gui Yujia , Wang Shurong , He Yuxi , Zhang Shuangqing , Zhang Yan
Published: June 2023

Although corneal refractive surgery has been proven to be excellent in terms of safety and effectiveness, the reduction of postoperative corneal ectasia remains one of the most concerned topics for surgeons. Forme fruste keratoconus (FFKC) is the most important factor that leads to postoperative corneal ectasia, and common preoperative screenings of the condition include corneal morphology examination and corneal biomechanical examination. However, there are limitations to the single morphological examination or biomechanical examination, and the advantages of the combination of the two have been gradually emerging. The combined examination is more accurate in the diagnosis of FFKC and can provide a basis for determining suspected keratoconus. It allows one to measure the true intraocular pressure (IOP) before and after surgery and is recommended for older patients and those with allergic conjunctivitis. This article aims to discuss the application, advantages, and disadvantages of single examination and combined examination in the preoperative screening of refractive surgery, so as to provide a certain reference value for choosing suitable patients for surgery, improving surgical safety, and reducing the risk of postoperative ectasia.
“To Fulfill two needs with one deed”: Iris fixation of intraocular lens using four-throw pupilloplasty
Authors: Saggam Navaneeth , Sarasawathy Bala , Narendran Kalpana
Published: June 2023

Background:

Pupil distortion and aphakia are common complications that follow blunt injury of the eye globe, surgical complications, and iris coloboma. Patients with these two complications complain of severe glare and photophobia even after successful intraocular lens (IOL) implantation like scleral fixation of intraocular lens (SFIOL) due to irregular pupil. To overcome this, we prefer to do pupilloplasty along with IOL implantation.

Purpose:

In this video, we demonstrate iris fixation of IOL using four-throw pupilloplasty; thus with one surgical technique, both pupilloplasty and iris fixation are done.

Synopsis:

The technique of an IOL implantation without capsular support can be challenging. There are different techniques, such as iris claw, iris fixation, and scleral fixation. Permanent mydriasis or distorted pupil can be a disabling condition, even after successful vision gain, due to photophobia. So pupilloplasty is nowadays preferred along with IOL implantation. Usually after IOL implantation, iris cerclage or pupilloplasty is done. We combined both steps with one technique: iris fixation with four-throw pupilloplasty. This technique can be used for iris coloboma with weak zonules and surgical iridectomy with aphakia cases where the pupil is irregular.

Highlights:

The video highlights the steps of four-throw pupilloplasty technique which is also used for fixating the IOL to the iris (iris fixation). This can give an excellent outcome in aphakia with distorted pupil using a single technique approach.

Video Link:
https://youtu.be/TEa54A5kg2I

Key words: Aphakia, iris fixation IOL, mydriasis
A COVID-19 perspective of Vogt–Koyanagi–Harada disease
Authors: Dutta Majumder Parthopratim , Sadhu Soumen , González-López Julio J , Mochizuki Manabu
Published: June 2023

Vogt–Koyanagi–Harada (VKH) disease, a bilateral granulomatous panuveitis associated with multisystem involvement, is a T-cell-mediated autoimmune disorder in which cytotoxic T-cell target melanocytes in genetically susceptible individuals. Recently, there has been an increase in literature on the new onset of uveitis and reactivation of previously diagnosed cases of uveitis following Covid-19 vaccinations. It has been postulated that Covid-19 vaccines can lead to an immunomodulatory change resulting in an autoimmune phenomenon in the recipients. VKH following COVID-19 infection was reported in four patients and a total of 46 patients developing VKH or VKH-like disease following COVID-19 vaccinations. There are reports of four patients who had been recovering or recovered from VKH after receiving the first dosage of the vaccine and developed worsening of ocular inflammation after receiving the second dose of the vaccine.
Phenotypic heterogeneity in family members of patients with retinitis pigmentosa
Authors: Kuppuraj Rajasekar Loheshwari , Srividya Neriyanuri , Mathangi Sathyaprasath , Pandian Arunacahalam Jayamuruga , Adithya Verma , Rajiv Raman
Published: June 2023

Purpose:

To describe the phenotypic variations in family members of patients with retinitis pigmentosa (RP) with different modes of inheritance and to assess the ocular abnormalities in RP families.

Methods:

A descriptive analysis of three types of inheritance of RP was carried out, where 64 family members were examined at a tertiary eye care center, South India. They underwent comprehensive eye examination, fundus photography, fundus autofluorescence (FAF), full-field electroretinogram (FFERG), and spectral domain optical coherence tomography (SD-OCT). Analysis was performed between mild and severe forms of abnormalities to delineate retinal structural and functional defects in RP families.

Results:

The mean age was 38.55 ± 17.95 years. Males were 48.4%. In autosomal recessive and X-linked recessive groups, 74.2% and 77.3%, respectively, were asymptomatic, whereas in autosomal dominant group, 27.3% were asymptomatic. The proportion of the cases with abnormalities in all three groups was higher on ERG (59.6%), followed by OCT (57.5%), visual acuity (43.7%), peripheral FAF (23.5%), and macular FAF (11.8%). However, these abnormalities and the clinical pictures of the family members had no statistical difference across the three groups of inheritance.

Conclusion:

Structural and functional retinal alterations were noted in four out of five asymptomatic members, suggesting the need for careful screening of RP families and the pressing need for pre-test (genetic) counseling.
Acute Abdomen in Pregnancy
Authors: Aliyu Ibrahim , Bello Nafisa , Umar-Sulayman Hajaratu , Suleiman Dauda Eneyamire , Muhammad Halima Mono , Umar Hauwa Shuaib
Published: June 2023

Ovarian torsion is not uncommon in pregnancy and presents as one of the causes of acute abdomen in pregnancy. It is more common in the 1st and the early 2nd trimesters but uncommon in the late 2nd and 3rd trimesters. An hemorrhagic cyst has been described as a predisposing factor, and even an imitator of ovarian torsion with ultrasonography been the imaging modality of first choice in its evaluation. The index case is an unusual presentation at the late 2nd trimester gestation, for which ultrasonography revealed a hemorrhagic cyst with normal Doppler findings. However, intraoperative findings were that of an adnexal torsion with infarction warranting salpingo-oophorectomy. Therefore, ultrasonographic findings of hemorrhagic ovarian cyst and relatively normal adnexal Doppler in a pregnant patient with clinical presentation of acute abdomen could highly be suggestive of ovarian torsion, necessitating urgent surgical evaluation and intervention to prevent adnexal infarction.
Improving the Specificity of Uniparametric Low-Field Magnetic Resonance Imaging in Prostate Cancer Assessment in Resource-Limited Settings
Authors: Chibuzo I.N.C , Smart A. , Takure A. O. , Osobu B. E. , Rimande J. U. , Ogbole G. I.
Published: June 2023

Background:

Due to infrastructural and financial constraints, public institutions in low- and middle-income countries (LMICs) use low-field magnetic resonance imaging (LFMRI) systems, which limits the possibility for global guideline conformity. Nonetheless, existing systems are being used to broaden the scope of prostate cancer (PCa) imaging assessment and disease characterization. Because LMICs have a dearth of subspecialty radiologists, general radiologists would need more exposure to meet the growing needs of the subspecialties, conform to universal best practice, and improve clinical outcomes.

Purpose:

The purpose of this study was to evaluate MRI reports for PCa evaluation generated by general radiologists at a tertiary hospital on a LFMRI (<0.5T) system.

Methods:

An assessment tool (”LFMRI”) was developed, based on PIRADS criteria, to evaluate prostate MRI reports of images generated from a LFMRI. Two independent observers (urologist and radiologist) rated the reports. Another general radiologist used the tool to generate new reports from the same images. These reports were reassessed by the same raters. The average assigned scores were categorized as poor (0–4), fair (5–8), or good (9–12).

Results:

Six of seven (85.7%) reviewed reports were poor with only one (14.7%) providing useful information for clinical decision. Inter-rater reliability was moderate (48.3%). The revised reports revealed additional clinically useful information in all cases and a mean total score improvement of 7.3 (0.69). Inter-rater reliability improved to 78.7%95% confidence interval, CI (0.5, 1.0), P < 0.0001.

Conclusion:

The images generated from LFMRI in resource-constrained settings may provide requisite information for PCa evaluation. A simple tool (LFMRI) can guide general radiologists in making useful and enhanced clinical decisions based on LFMRI reports.
Schreier families and -(almost) greedy bases
Authors: Beanland Kevin , Chu Hùng Việt
Published: June 2023

Let$\mathcal {F}$be a hereditary collection of finite subsets of$\mathbb {N}$. In this paper, we introduce and characterize$\mathcal {F}$-(almost) greedy bases. Given such a family$\mathcal {F}$, a basis$(e_n)_n$for a Banach spaceXis called$\mathcal {F}$-greedy if there is a constant$C\geqslant 1$such that for each$x\in X$,$m \in \mathbb {N}$, and$G_m(x)$, we have$$ \begin{align*} \|x - G_m(x)\|\ \leqslant\ C \inf\left\{\left\|x-\sum_{n\in A}a_ne_n\right\|\,:\, |A|\leqslant m, A\in \mathcal{F}, (a_n)\subset \mathbb{K}\right\}. \end{align*} $$Here,$G_m(x)$is a greedy sum ofxof orderm, and$\mathbb {K}$is the scalar field. From the definition, any$\mathcal {F}$-greedy basis is quasi-greedy, and so the notion of being$\mathcal {F}$-greedy lies between being greedy and being quasi-greedy. We characterize$\mathcal {F}$-greedy bases as being$\mathcal {F}$-unconditional,$\mathcal {F}$-disjoint democratic, and quasi-greedy, thus generalizing the well-known characterization of greedy bases by Konyagin and Temlyakov. We also prove a similar characterization for$\mathcal {F}$-almost greedy bases.

Furthermore, we provide several examples of bases that are nontrivially$\mathcal {F}$-greedy. For a countable ordinal$\alpha $, we consider the case$\mathcal {F}=\mathcal {S}_{\alpha }$, where$\mathcal {S}_{\alpha }$is the Schreier family of order$\alpha $. We show that for each$\alpha $, there is a basis that is$\mathcal {S}_{\alpha }$-greedy but is not$\mathcal {S}_{\alpha +1}$-greedy. In other words, we prove that none of the following implications can be reversed: for two countable ordinals$\alpha < \beta $,$$ \begin{align*} \mbox{quasi-greedy}\ \Longleftarrow\ \mathcal{S}_{\alpha}\mbox{-greedy}\ \Longleftarrow\ \mathcal{S}_{\beta}\mbox{-greedy}\ \Longleftarrow\ \mbox{greedy}. \end{align*} $$
Estimation of non-uniqueness and short-time asymptotic expansions for Navier–Stokes flows
Authors: Bradshaw Zachary , Phelps Patrick
Published: June 2023

There is considerable evidence that solutions to the three-dimensional Navier–Stokes
equations in the natural energy space are not unique. Assuming this is the case, it becomes important
to quantify how non-uniqueness evolves. In this paper we provide an algebraic estimate for how
rapidly two possibly non-unique solutions can separate over a compact spatial region in which the
initial data has sub-critical regularity. Outside of this compact region, the data is only assumed to
be in the scaling critical weak Lebesgue space and can be large. To establish this upper bound on
the separation rate, we develop a new spatially local, short-time asymptotic expansion which is of
independent interest.
Infinite stable graphs with large chromatic number II
Authors: Halevi Yatir , Kaplan Itay , Shelah Saharon
Published: June 2023

We prove a version of the strong Taylor’s conjecture for stable graphs: if

G

is a stable graph whose chromatic number is strictly greater than

\beth_2(\aleph_0)

then

G

contains all finite subgraphs of

\textup{Sh}_n(\omega)

and thus has elementary extensions of unbounded chromatic number. This completes the picture from our previous work. The main new model-theoretic ingredient is a generalization of the classical construction of Ehrenfeucht–Mostowski models to an infinitary setting, giving a new characterization of stability.
The structure and number of Erdős covering systems
Authors: Balister Paul , Bollobás Béla , Morris Robert , Sahasrabudhe Julian , Tiba Marius
Published: June 2023

Introduced by Erdős in 1950, a
covering system
of the integers is a finite collection of arithmetic progressions whose union is the set

\mathbb{Z}

. Many beautiful questions and conjectures about covering systems have been posed over the past several decades, but until recently little was known about their properties. Most famously, the so-called minimum modulus problem of Erdős was resolved in 2015 by Hough, who proved that in every covering system with distinct moduli, the minimum modulus is at most

10^{16}

.

In this paper we answer another question of Erdős, asked in 1952, on the
number
of minimal covering systems. More precisely, we show that the number of minimal covering systems with exactly

n

elements is

\exp \bigg( \bigg(\frac{4\sqrt{\tau}}{3} + o(1)\bigg) \frac{n^{3/2}}{(\log n)^{1/2}} \bigg) \quad \text{as $n \to \infty$, where} \quad \tau = \sum_{t = 1}^\infty \bigg( \log \frac{t+1}{t} \bigg)^2.

En route to this counting result, we obtain a structural description of all covering systems that are close to optimal in an appropriate sense.
Phase transitions for support recovery under local differential privacy
Authors: Butucea Cristina , Dubois Amandine , Saumard Adrien
Published: June 2023

We address the problem of variable selection in a high-dimensional but sparse mean model, under the additional constraint that only privatized data are available for inference. The original data are vectors with independent entries having a symmetric, strongly log-concave distribution on

\mathbb{R}

. For this purpose, we adopt a recent generalization of classical minimax theory to the framework of local

\alpha

-differential privacy. We provide lower and upper bounds on the rate of convergence for the expected Hamming loss over classes of at most

s

-sparse vectors whose non-zero coordinates are separated from

0

by a constant

a>0

. As corollaries, we derive necessary and sufficient conditions (up to log factors) for exact recovery and for almost full recovery. When we restrict our attention to non-interactive mechanisms that act independently on each coordinate our lower bound shows that, contrary to the non-private setting, both exact and almost full recovery are impossible whatever the value of

a

in the high-dimensional regime such that

n \alpha^2/ d^2\lesssim 1

. However, in the regime

n\alpha^2/d^2\gg \log(d)

we can exhibit a critical value

a^*

(up to a logarithmic factor) such that exact and almost full recovery are possible for all

a\gg a^*

and impossible for

a\leq a^*

. We show that these results can be improved when allowing for all non-interactive (that act globally on all coordinates) locally

\alpha

-differentially private mechanisms in the sense that phase transitions occur at lower levels.
Azimuthal Anisotropy of Receiver Functions in the Central South China Block and its Tectonic Implications
Authors: Shi Yutao , Gao Yuan , Zhang Ziqi , Zhang Yongqian , LI Guohui
Published: June 2023

By the H-к stacking of the receiver functions and the splitting of the Pms phases, using seismic data from the Regional Seismic Network and the Huanan Seismic Array, a high-resolution temporary seismic array deployed for 2 years in the study area. This study revealed the strong lateral heterogeneity in crustal structures in the central South China block. Crustal thickness reduces from northwest to southeast, with significant differences across the boundary of sub-blocks. The average crustal Vp/Vs ratio gradually increases from west to east, leading to high values in the coastal region, which suggests that the subduction of the Pacific plate has possibly caused the underplating of magma or the upwelling of upper mantle material. The crustal azimuthal anisotropy of the Dabie orogen and the Jiangnan orogen is generally consistent with the strike of the tectonic belt as well as with the orientation of the absolute plate movement. We suggest that the crustal azimuthal anisotropy of the orogen is related to the extension and deformation of the lithosphere. The anisotropy in the crust is close related to crustal deformation. The orientation in the crust and the upper mantle in the Cathaysia block are generally consistent with the orientation of the absolute plate motion, indicating that the azimuthal anisotropy of the Cathaysia block is related to lithospheric deformation and the under-invasion of upper mantle material.
A Relational DataBase based Enterprise Transformation Projects
Authors: Trad Antoine
Published: June 2023

Enterprise Transformation Projects (ETP) are important for ensuring long-term business sustainability and operational excellence, but these projects are complex to finalize and have a high failure rate. Transformation complexities are related to various concurrent factors like the use of sets of uncoherent commercial tools/products, simplistic gap estimations, status evaluations, needed cross-functional skills, and many others. Therefore, there is a need to implement an In-House Implemented (IHI) methodology and framework to support ETPs. But such IHI solutions take a long time to be implemented and to be tested; and this article tries to propose a realistic solution that is based on DataBase (DB) or more precisely Relational DBs (RDB). RDB-based IHI solutions and concepts can be gradually built on the usage of internal information systems without the need for continuous colossal investments in external products. The proposed RBD concept tries to show it can support an ETP because the RDB is a component that is used in all ETP operations and subsystems. RDBs contain all the needed information, structures, integrity check mechanisms, and applied mathematical constructs. The proposed RDB-based ETP (RDBbETP) concept adopts a Polymathic-holistic approach, which used iterative change and implementation phases. The RDBbETP uses the author’s Applied Holistic Mathematical Model (AHMM) to interface and manage the RDB (AHMM4RDB).
Comparison of cultural and political legitimation strategies in Germany and Ukraine
Authors: Zlenko Nataliia , Crückeberg Johannes
Published: June 2023

Along with the economic and defence sectors, the cultural and political sphere is an indicator of the state's authority on the world stage. A country's success in this area depends on the population's understanding of the government's appropriate actions. Therefore, a balanced strategy of cultural and political legitimization of the state not only justifies the government's activities for citizens, but also solves a number of socio-economic problems. The study identified the main existing approaches to the classification of state policy models in the cultural and political sphere, as well as countries that are typical representatives of each model. The concept of legitimization is defined and its constituent elements are determined. The subjects and objects of legitimization in the cultural and political sphere were clarified, and the author's definition of the concept of cultural and political legitimization strategy was proposed. The main characteristics of cultural and political legitimization strategies are described with a view to the historical aspects of development and the current state. The strategies of these countries and the main directions of further development of culture and politics were compared.