bluuebunny/crossref_metadata_2025_split huggingface dataset:
ERCP for bile duct stones across a national service, demonstrating a high requirement for repeat procedures
Authors: Martin Harry , Sturgess Richard , Mason Neil , Ceney Adam , Carter Jodi , Barca Lilith , Holland James , Swift Simon , Webster George J. 
Published: September 2022

Abstract
Background and study aims Bile duct stones (BDS) represent approximately 50 % of the requirement for endoscopic retrograde cholangiopancreatography (ERCP) within most services. Significant variation in outcome rates for BDS clearance at ERCP has been reported, and endoscopy societies have set standards for expected clearance rates. The aim of this study was to analyze procedure outcomes across a national service.
Patients and methods Using verified hospital episode statistics (HES) data for the National Health Service (NHS) in England, we analyzed all patients having first ERCPs for BDS from 2015 to 2017, and followed these patients for at least 2 years.
Results In total 37,468 patients underwent a first ERCP for BDS, with 69.8 % undergoing only one procedure. This figure of less than 70 % of BDS cleared at first ERCP is below the Key Performance Indicators as set by the British Society of Gastroenterology (> 75 %) and the European Society of Gastrointestinal Endoscopy (> 90 %). Of 55,556 ERCPs done for BDS, 52.9 % were repeat procedures, with 11,322 patients needing multiple procedures. For hospitals performing significant numbers of ERCPs (more than 600 for BDS during the study period) patients undergoing repeat ERCPs for BDS ranged from 9 % to 50 %.
Conclusions In this nationwide study, the performance at clearing BDS at first ERCP was suboptimal, with high numbers of repeat procedures required. This may have a negative impact on both patient outcomes and experience, and increase pressure on endoscopy services. Apparent variation of outcome between acute hospital care providers requires further analysis.
Spinal Cord Paracoccidioidomycosis: Case Report
Authors: Hack Ivan , Brandalise Alcides , Furlanetto Luciano Marques , Lipp Fernando Bergel , Furian Roque , Nácul Cyrio Luiz , Rota Eduardo Werlang , Muller Rodrigo 
Published: September 2022

AbstractParacoccidioidomycosis (PCM) is a systemic mycosis caused by fungi Paracoccidioides brasiliensis and Paracoccidiodes Lutzii. Its distribution is limited to subtropical regions of Central and South America, where it is endemic, and Brazil accounts for ∼ 80% of the reported cases. Even in endemic zones, its incidence is low, ranging from 3 to 4 new cases per million to 1 to 3 new cases per 100 thousand inhabitants per year. Granulomas in the spinal cord are rare, and they account for 0,6% of all cases of systemic PCM. The authors report a case of a woman with crural paraparesis caused by dorsal spinal cord PCM granulomasin T7-T8 and T8-T9, with no evidence of systemic disease. The patient was submitted to microsurgery, with total excision of the lesions, and is experiencing positive neurological recovery. Though rare, PCM intramedullary granulomas must be considered in differential diagnosis of the tumoral expansive process of the spinal cord, especially in patients coming from endemic rural zones.
A Long-Term Follow-up Study for the Treatment of Snoring after Using Patterned Non-Ablative Erbium: YAG 2,940 nm Laser
Authors: Kassab Ahmed N. , Kharbotly Ahmed El , Elsamie Ahmed Abd , Ahmed Mohamed Rifaat 
Published: September 2022

Abstract
Introduction Laser uvulopalatoplasty is an established operation for the treatment of snoring with good results on a short-term basis, while long-term follow-up studies, in addition to their scarcity, had conflicting results regarding recurrence, the change of snoring quality, and complications.
Objective To assess the long-term follow-up results of using nonablative 2,940 nm Erbium: YAG for the treatment of snoring regarding outcomes and recurrence.
Methods This 2-year follow-up study was conducted on 76 patients operated upon by non-ablative 2940 nm Erbium: yttrium-aluminum-garnet (YAG) using a PS01 patterned headpiece. Subjective evaluation of the treatment was performed relying on a smartphone application to record snoring in addition to a questionnaire specially designed to report recurrence and change in the quality of snoring reported by a patient's spouse. The objective evaluation was done by computed tomography (CT) imaging of the soft palate. The patients were evaluated preoperatively, 6 weeks postoperatively and after a 2-year follow-up period.
Results Six week after the procedure, there was a significant improvement in 52 patients (68.4%). Out of the 52 patients, only 43 completed the 2-year follow-up; however, 15 of them complained of recurrence. Nevertheless, the patients who suffered from recurrence showed subjective improvement in snoring quality.
Conclusions The nonablative mode of Erbium: YAG 2,940 nm laser proved to be efficient in soft palate tightening for the management of snoring. However, there was recurrence in 34.8% of the patients who presented objective and subjective improvement of the complaints, 6 weeks postoperatively and after a 2-year follow-up period.
Preoperative Assessment and Prediction of Consistency of Intracranial Meningioma Utilizing the Apparent Diffusion Coefficient Values
Authors: Pothula Venkatesh , Kumar Ajay , Vyas Sameer , Bhatia Vikas , Radotra Bishan Das , Gupta S K. 
Published: September 2022

Abstract
Objectives Consistency of meningioma is important for preoperative planning, surgical resection, and predicting surgical outcomes. We prospectively evaluated the utility of the apparent diffusion coefficient (ADC) values to assess the consistency of meningioma.
Methods Preoperative magnetic resonance imaging (MRI) was performed on 23 patients with meningioma before undergoing surgical resection and the average/mean of ADC minimum (ADCmin), maximum (ADCmax), and mean (ADCmean) values were calculated. Intraoperatively, the meningiomas were characterized as firm or soft and correlated with ADC values.
Results ADCmin, ADCmax, and ADCmean values of soft and firm meningiomas were significantly different with a p-value of < 0.05. ADCmin value of < 691.3 × 10−6 mm2/s had 80% sensitivity and 84.6% specificity for identifying firm from the soft tumors with the area under the curve (AUC) = 0.862, p-value of 0.004, positive predictive value (PPV) 80, and negative predictive value (NPV) 84.6. ADCmax value of < 933.6 × 10−6 mm2/s had 70% sensitivity and 84.6% specificity for identifying firm from the soft tumors with AUC = 0.823, p-value of 0.009, PPV 77.8, and NPV 78.6. ADCmean value of < 840.8 × 10−6 mm2/s had 90% sensitivity and 76.9% specificity for identifying firm from the soft tumors with AUC = 0.900, p-value of 0.001, PPV 75, and NPV 90.9.
Conclusion Diffusion-weighted MRI using ADC minimum, ADC maximum, and ADC mean values can be used to differentiate firm from soft meningiomas. Meningiomas with hard consistency showed relatively low ADC values.
Microbiological Surveillance of Heater-Cooler Units Used in Cardiothoracic Surgery for Detection of Mycobacterium chimaera
Authors: Schlotthauer Uwe , Hennemann Kai , Gärtner Barbara C. , Schäfers Hans-Joachim , Becker Sören L. 
Published: September 2022

Abstract
Mycobacterium chimaera is a nontuberculous mycobacterium that was identified as causative agent in a global outbreak of severe infections following open-chest cardiothoracic surgery. Heater-cooler units (HCUs), which were contaminated during the manufacturing process, were elucidated as the origin of this outbreak. Regular surveillance of water-containing HCUs used for cardiac surgery was recommended as one preventive measure. We present data on the occurrence of M. chimaera and other mycobacterial pathogens in different HCUs from one surgical center in Germany over a 42-month period. Water samples and swabs from seven different HCUs were taken between 2015 and 2018, and mycobacteria were detected in 50.6% (78/154) of water samples and 21.1% (4/19) of swabs. M. chimaera accounted for the majority of detected pathogens (77/83 isolates in water samples), but other species such as Mycobacterium gordonae were also found. Despite strict adherence to an intensified, regular disinfection procedure, the majority of HCUs remained positive for mycobacteria until the end of the study. In conclusion, additional measures are needed to reduce the risk of intraoperative transmission of M. chimaera, and our observations underscore the inherent infections risks associated with water-containing medical devices.
Do differences in brute luck influence preferences for redistribution in favour of the environment and health?
Authors: Chanel Olivier , Paul Pavitra 
Published: September 2022

AbstractRedistributive justice is based on the premise that it is unfair for people to be better or worse off relative to others simply because of their fortune or misfortune. It assumes equal opportunities arising from four factors: social circumstances, effort, option luck and brute luck. This paper seeks to investigate how differences in perceived brute luck influence individual preferences for redistribution in favour of two public policies: “health intervention” and “environmental actions”. These policies are viewed somewhat differently: the environment is considered a pure “public good” and health, more as a “private good” with a strong public good element. Consequently, potential self-serving biases inherent in the preferences for redistributive policies are expected to differ, more likely favouring health than the environment. The perceived degree of brute luck may capture such a difference—those perceiving themselves as luckiest should be less amenable to redistribution in favour of health than the unluckiest. Data from the three waves (2000, 2006 and 2008) of a French population survey are used to examine this self-serving bias. A Generalised Ordered Logit (GOL) model is found to be statistically more relevant compared to other logistic regression models (multinomial and ordered). We find that a perceived low degree of brute luck is significantly associated with a decreased preference of redistributive environmental policies but the reverse is true for redistributive health policies, i.e., association with an increased preference. Assuming that all inequalities due to differing luck are unjust, this empirical validation gives redistributive justice grounds for equalisation policies regarding health.
Two-dimensional plasma density evolution local to the inversion layer during sawtooth crash events using beam emission spectroscopy
Authors: Bose Sayak , Fox William , Liu Dingyun , Yan Zheng , McKee George , Goodman Aaron , Ji Hantao 
Published: September 2022

We present methods for analyzing Beam Emission Spectroscopy (BES) data to obtain the plasma density evolution associated with rapid sawtooth crash events at the DIII-D tokamak. BES allows coverage over a 2D spatial plane, inherently local measurements, with fast time responses, and, therefore, provides a valuable new channel for data during sawtooth events. A method is developed to remove sawtooth-induced edge-light pulses contained in the BES data. The edge light pulses appear to be from the Dα emission produced by edge recycling during sawtooth events, and are large enough that traditional spectroscopic filtering and data analysis techniques are insufficient to deduce physically meaningful quantities. A cross-calibration of 64 BES channels is performed by using a novel method to ensure accurate measurements. For the large-amplitude density oscillations observed, we discuss and use the non-linear relationship between the BES signal δI/I0 and the plasma density variation δne/ne0. The 2D BES images cover an 8 × 20 cm2 region around the sawtooth inversion layer and show large-amplitude density oscillations, with additional significant spatial variations across the inversion layer that grows and peaks near the time of the temperature crash. The edge light removal technique and method of converting large-amplitude δI/I0 to δne/ne0 presented here may help analyze other impulsive MHD phenomena in tokamaks.
A piezoelectric rotatable magnetic force microscope system in a 10 T cryogen-free superconducting magnet
Authors: Xiang Kui , Hou Yubin , Wang Jihao , Zhang Jing , Feng Qiyuan , Wang Ze , Meng Wenjie , Lu Qingyou , Lu Yalin 
Published: September 2022

We constructed a piezoelectric rotatable magnetic force microscope (MFM) that works in a 10 T cryogen-free superconducting magnet. The piezoelectric tube is deformed tangentially and drives a bearing under the inertial drive principle so the MFM head can obtain rotary movement. Due to the novel piezoelectric design, the MFM can be hung underneath the heat sink via a soft spring, and it can be rotated in a cryogen-free superconducting magnet so that the direction of the magnetic field can be changed from 0° to 90° continuously. The system functions in magnetic fields of up to 10 T in any direction relative to the tip–sample geometry. This is the first piezoelectric rotatable MFM ever reported. Using this homemade rotatable MFM, we imaged the structure of magnetic tracks on a commercial videotape. When the magnetic field angle changes from 0° to 90°, the magnetic moments on the tape and probe tip also rotate. A magnetic field strength of 0.8 T parallel to the sample surface is required to fully rotate the magnetic moment of the tip we used, but 0.8 T is not enough to fully rotate the magnetic moment of the sample. The piezoelectric rotatable MFM is expected to be widely used to study the anisotropy of magnetic materials due to its superiority in obtaining the same high field in and out of plane (compared with a vector magnet) as well as in maintaining the same scan area precisely (compared with a mechanical rotatable MFM, especially for atomic-scale scan areas).
Plurilingual practice in language teacher education
Authors: Potts Diane , Cutrim Schmid Euline 
Published: September 2022

Abstract
Despite decades of research supporting the pedagogic value of learners’ plurilingual resources to their linguistic and academic development, pre-service teachers frequently arrive at university inculcated in ‘target language only’ practices underpinned by monoglossic ideologies. The challenge for teacher education is to productively disrupt quotidian beliefs about language beliefs and prompt reconsideration of future classroom practices. Drawing on the work of the Douglas Fir Group (2016), this paper explores the identities, beliefs and values of two student-teachers as they emerged over the length of an innovative English-German pedagogic project on plurilingualism. The project involved German student-teachers developing a language portrait project for Grade 6 students; student-teachers using project data for undergraduate assignments; and English MA students interviewing young learners about their language portraits via videoconference. The videoconference provided young learners further opportunities to use their plurilingual resources and MA students with data for assignments on identity and investment. Working with DFG’s framework (2016), we examine the interplay of the meso- and macro-dimensions of the larger project’s design and the sometimes contradictory indexing of values and identities within and across activities. Analysis reveals that design choices sometimes unintentionally reinforced linguistic ideologies inconsistent with the project’s objectives, though these conflicts also led student-teachers to unexpected insights. We close with personal reflections on the implications of the first iteration of this design-based research project for the advancement of plurilingual pedagogies in teacher education.
Plurilingual and pluricultural competence
Authors: Strasser Margareta , Reissner Christina 
Published: September 2022

Abstract
Since the late 1990s the notion of a plurilingual and pluricultural competence as elaborated by Coste, Moore and Zarate (1997) has had a strong impact on the didactics of languages. Several plural approaches have been developed which aim at developing competences in several languages and/or cultures (Melo-Pfeifer & Reimann, 2018; Reissner, 2010; Tost Planet, 2010), with intercomprehension didactics being one of them. However, existing frameworks (e.g. the Cadre de référence pour les approches plurielles des langues et des cultures (CARAP)/Framework of reference for pluralistic approaches to languages and cultures (FREPA) (Candelier et al., 2007, 2010), or the Companion volume of the Common European framework of reference for languages (Council of Europe, 2018)) do not adequately describe the specific competences that underly intercomprehensive activities. In our contribution, we will present the framework of reference for intercomprehension (= IC) developed within the European project EVAL-IC (Evaluation des compétences en intercompréhension, Erasmus+). The framework is based on a dynamic and complex competence model, comprising of six levels of competence which can be regrouped into three larger levels (basic, advanced, expert). It provides descriptors for the following intercomprehensive activities: written and oral receptive IC; written and oral interproduction; and written and oral interactive IC as well as a global description of each level. The work carried out might also help to apply or further develop plurilingual and pluricultural approaches in higher education.
Exploring bilingual teaching and learning in a Jewish-Palestinian language café
Authors: Haim Orly , Kedar Yarden 
Published: September 2022

AbstractThe context of this exploratory study is aLanguage Café, a bottom-up initiative in which Jews and Palestinians, residing in the same multilingual neighborhood in Jerusalem, learn Hebrew and Arabic from each other. The study explores the features of the bilingual pedagogy which has evolved in theLanguage Caféand the participants’ perceived teaching and learning experiences. A qualitative research design was applied utilizing several data sources: (a) observations and field notes (b) language learning materials; (c) semi-structured interviews with the project leaders; (d) interviews with the Jewish and Palestinian participants and (e) photos posted on social media. Inductively oriented content analyses revealed a number of themes suggesting that the bilingual pedagogy applied in theLanguage Caféis based on principles ofequality, equity, andbidirectional respectwith regard to the participants’ plurilingual/pluricultural repertoires. The learning process is primarily learner-centered, with a continuousengagementof the participants in interactional activities. Yet, given the unique geopolitical situation, conflictual issues surface. The analyses further reveal that the language learning experience in this context is conducive to the participants’ language and cultural knowledge and to their engagement with the Other group. The participants’ accounts suggest that theLanguage Cafésessions have reduced prejudices and feelings of fear and tension between the two groups. Indeed, theLanguage Caféis perceived as part of the broader geopolitical endeavor to reconfigure the neighborhood within the local municipal binational context where language is used as a means to foster identity affirmation and sociocultural connectivity.
Influence of plasma density on the cross sections of radiative recombination to configuration-averaged excited nitrogen and oxygen atoms and ions
Authors: Ribière Maxime 
Published: September 2022

Abstract
Radiative recombination cross sections of all the charge states of nitrogen and oxygen ions are calculated in the central field and Hartree–Fock–Slater approximations. The recombining ions are considered on their ground states, to form recombined ions on different configuration-averaged excited states. The ion potential energies are calculated assuming electro-neutrality in a Wigner–Seitz cell containing bound and free electrons, and the effect of plasma density on the cross sections is investigated by varying the cell radius. When the plasma density increases up to 1020 cm−3, the bound and free wave functions are distorted which significantly impact the cross sections. These deviations from the free atom case are all the more significant as the ion charge state of the recombining ion is low and as the excitation energy of the recombined ion is high. Also, calculations of the radiative recombination rates allow for quantifying the impact of plasma density at different temperatures. It is shown, for temperatures greater than 1 (Ry), that the rates at low and high plasma densities are closed. Nevertheless, for temperatures lighter than 1 (Ry) the influence of plasma density on the rates is significant. In addition, transition probabilities between the bound levels of all the charge states of N and O are calculated, and the influence of plasma density on these probabilities is analyzed. These cross sections and rates may be used as entrance parameters in collisional-radiative models for fully ionized plasma simulations in the framework of studies concerning for example, switches in Marx generator and laser-induced plasmas in air.
Fault diagnosis of planetary gears based on intrinsic feature extraction and deep transfer learning
Authors: Li Huan , Lv Yong , Yuan Rui , Dang Zhang , Cai Zhixin , An Bingnan 
Published: September 2022

Abstract
The planetary gearbox is a key transmission apparatus used to change speed and torque. The planetary gear is one of the most failure-prone components in a planetary gearbox. Due to the complexity of working environments, collected vibration signals contain a lot of noise and interference; fault characteristic frequencies are usually submerged or even lost. Thus, feature extraction from the vibration signal is beneficial to subsequent fault diagnosis. As a fault identification approach that has been increasingly popular in the field of fault diagnosis, deep learning requires a large number of samples to train the model. Insufficient samples lead to low diagnostic accuracy for deep learning models. This paper proposes a novel fault diagnosis approach for planetary gears based on intrinsic feature extraction and deep transfer learning. The original vibration signals are decomposed into a series of band-limited intrinsic mode functions (BLIMFs) by variational mode decomposition. BLIMF with the most apparent fault characteristics is selected to generate two-dimensional time-frequency maps by continuous wavelet transform. The preprocessed time-frequency maps are adopted as the input of the pretrained VGG16 model. The bottom layers are frozen, and the top layers are fine-tuned to achieve fault diagnosis for planetary gears. Applications to planetary gear datasets verify the superiority of the proposed method.