Reactive Infiltration: Effects of Different Parameters.

Currently, the production of complex SiC and SiC/SiC parts through reactive infiltration is one of the most widely used technologies, due to its versatility and cost-effectiveness compared to more conventional technologies such as Hot Isostatic Pressing (HIP). This technology, while widely adopted, still faces some debate regarding the mechanisms of infiltration. Questions persist about what determines how infiltration occurs and whether the process is governed by physics (flow dynamics) or chemistry (reactions at the triple line (LT: (contact line between the solid, liquid and gas phases)). The present work provides new strong/consistent proof that reactive infiltration is mainly controlled by chemical reaction.

Uncovering the neural control of laryngeal activity and subglottic pressure in anaesthetized rats: insights from mesencephalic regions.

To assess the possible interactions between the dorsolateral periaqueductal gray matter (dlPAG) and the different domains of the nucleus ambiguus (nA), we have examined the pattern of double-staining c-Fos/FoxP2 protein immunoreactivity (c-Fos-ir/FoxP2-ir) and tyrosine hydroxylase (TH) throughout the rostrocaudal extent of nA in spontaneously breathing anaesthetised male Sprague-Dawley rats during dlPAG electrical stimulation. Activation of the dlPAG elicited a selective increase in c-Fos-ir with an ipsilateral predominance in the somatas of the loose (p < 0.05) and compact formation (p < 0.01) within the nA and confirmed the expression of FoxP2 bilaterally in all the domains within the nA. A second group of experiments was made to examine the importance of the dlPAG in modulating the laryngeal response evoked after electrical or chemical (glutamate) dlPAG stimulations. Both electrical and chemical stimulations evoked a significant decrease in laryngeal resistance (subglottal pressure) (p < 0.001) accompanied with an increase in respiratory rate together with a pressor and tachycardic response. The results of our study contribute to new data on the role of the mesencephalic neuronal circuits in the control mechanisms of subglottic pressure and laryngeal activity.

Cultural Competence Interventions in European Healthcare: A Scoping Review.

Europe is undergoing rapid social change and is distinguished by its cultural superdiversity. Healthcare is facing an increasing need for professionals to adapt to this environment. Thus, the promotion of cultural competence in healthcare has become a priority. However, the training being developed and their suitability for the European context are not well known. The aim of this qualitative study has been to map the scientific literature in order to comprehend the current state of research on this topic. For this purpose, we conducted a systematic scoping review of the empirical publications focused on cultural competence interventions for healthcare professionals in European countries. The search was conducted in eight thematic (PsycINFO, MedLine, and PubPsych) and multidisciplinary databases (Academic Search Ultimate, E-Journals, Scopus, ProQuest, and Web of Science) to identify relevant publications up to 2023. Results were presented qualitatively. Out of the initial 6506 records screened, a total of 63 publications were included. Although the interventions were implemented in 23 different European countries, cultural competence interventions have not been widely adopted in Europe. Significant heterogeneity was observed in the conception and operacionalización of cultural competence models and in the implementation of the interventions. The interventions have mostly aimed at improving healthcare for minority population groups and have focused on the racial and ethnic dimensions of the individual. Future research is needed to contribute to the conceptual development of cultural competence to design programs tailored to European superdiversity. This scoping review has been registered in OSF and is available for consultation.

Leisure Attitude, Self-Rated Health, and Psychological Well-Being in Older Adults: A Moderated Mediation Model.

Purpose: A positive leisure attitude among older adults may have a beneficial effect on psychological well-being, both directly and indirectly by fostering a more positive perception of one's health. This paper presents a correlational design that explores associations among leisure attitude, self-rated health, and psychological well-being, and analyzes the potential moderating role of gender in these relationships. Patients and Methods: The sample was selected using simple random probability sampling (N= 409; 61.9% female; Mean age = 72.9; SD = 8.43¸ Range of age 53 to 93 years). Diverse sociodemographic information was collected, and leisure attitudes, self-perceived health, and psychological well-being (positive affect and emotional ties) were assessed. Results: The results revealed a positive effect of leisure attitude on self-rated health and psychological well-being, with self-rated health fully mediating the association between the behavioral component of leisure attitude and psychological well-being. Furthermore, the moderating effect of gender on the relationship between self-rated health and psychological well-being was stronger among men. Conclusion: Positive cognitive and emotional perceptions of leisure among older adults seem to benefit psychological well-being and improve self-rated health, thereby contributing to healthy ageing.

Impact of a peer-to-peer escape room activity in the learning of Human Physiology of medical students from the university of Málaga.

Escape room's popularity has raised over the past years among young adults. It creates a distended competitive environment, where participants collaborate to achieve a common objective through teamwork. We decided to apply this format as a teaching method for medical students at the University of Malaga, Spain. A peer-to-peer physiological cardiorespiratory escape room was designed by intern undergraduate students, collaborating within the Department of Human Physiology. This activity integrated the contents of the Human Physiology syllabus, which were organized into four stages that culminated in a final medical case. Intern students oversaw the design, promotion, preparation and execution of the activity, and were in charge of conducting the evaluation and follow up. The escape room was done in mid-December, after all theoretical and practical contents had been delivered, for four consecutive years, improving from each year's experience. The target group for this activity were second year medical students, who were asked to team up freely in groups of four to six students before the start of the activity. The students in each group cooperated with each other while trying to solve the different puzzles and questions in each stage of the escape room. After the activity, the results of the final evaluation exam of these participants were compared against non-participants, who served as a control group. Qualitative feedback was also received from the participants via a special survey that was designed for this task. Results between 2020 and 2023 (three last activities) show that the final mark of the participants was significantly higher than in non-participants (6.39 ± 0.14 vs. 5.04 ± 0.2; p < 0.0007). The global exam mark also increased in the participants (5.43 ± 0.10 vs. 4.44 ± 0.15; p < 0.0007). A significant difference was observed in the performance in cardiovascular (p < 0.0007) and respiratory-related questions (p < 0.0007), which was substantial in the participants. The qualitative feedback received from the participants was mainly positive, indicating an overall acceptance of the format by the students. We conclude that escape room format with a peer-to-peer structure is an efficient teaching tool for medical students performed by medical students in the field of Human Physiology.

Characteristics of RCTs focusing on health promotion in community samples: a scoping review protocol based on the d-CoSPICO framework.

INTRODUCTION: Developing the capabilities of individuals, groups and communities to enhance their health has received a great deal of attention in the literature. One essential source of results is evidence-based intervention programmes, which often involve a number of different variables. This paper describes a methodology for carrying out a scoping review that maps available evidence on randomised controlled trials focusing on health promotion intervention programmes. METHODS AND ANALYSIS: The scoping review protocol follows the general Preferred Reporting Items for Systematic Reviews and Meta-Analyses and Joanna Briggs Institute guidelines. It also incorporates some modifications to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Review flowchart and complements its methodological framework. This new format, called documents, Concept, Studies, Participants, Interventions, Comparator, and Outcomes (d-CoSPICO), guides the review sequence, which is represented in a flowchart. The search will focus on different sources of information using formal (searches in thematic -PubPsych, ERIC, MedLine, PsychINFO- and multidisciplinary databases -Academic Search Ultimate, Core Collection Web of Science, Scopus and ProQuest-, repositories and other websites), informal (contact with researchers), and retrospective (previous reviews on this topic) strategies to identify relevant publications until 2021, including grey literature. Coding, identification, selection, and data extraction will be carried out following the generation of a database in which each retrieved record's content (abstract and/or full text) can be analysed. The review is expected to be completed in 2023. ETHICS AND DISSEMINATION: Ethical approval is not required for this review. The d-CoSPICO framework and the results will be disseminated through (a) peer-reviewed publications; (b) presentations at scientific dissemination events and (c) training activities for applying this protocol.

Academic Procrastination in Children and Adolescents: A Scoping Review.

Academic procrastination is a persistent behavior in students' academic development consisting of postponing or delaying the completion of necessary tasks and having a deadline for completion, which is associated with detriment in performance, school dropout, and loss of student well-being. The largest body of existing knowledge on this behavior comes from studies conducted with university students, although it is necessary to deepen the findings obtained at lower educational levels. The aim of this work has been to carry out a scoping review of the empirical publications focused on academic procrastination in children and adolescents. The inclusion and exclusion criteria are detailed following the general guidelines of the Joanna Briggs Institute. However, some modifications are incorporated in the flowchart to guide the review sequence. The search was conducted in eleven thematic (ERIC, MedLine, Psychology and Behavioral Sciences Collection, PsycINFO, PubPsych, and Teacher Reference Center) and multidisciplinary databases (Academic Search Ultimate, E-Journals, ProQuest, Scopus, and Web of Science) to identify relevant publications up to 2022, including grey literature. Out of the initial 1185 records screened, a total of 79 records were selected. The search results included a total of 79 records. The most used assessment instruments, the most studied variables, and the type of design and sources of information used in the selected studies are detailed. Cultural aspects that open new lines of future research are identified.

Análisis del sistema XIDE en la gestión de la sobredemanda asistencial / Analysis of the XIDE system in the management of overdemand for care

Objetivo Valorar el impacto y la idoneidad del sistema de citación XIDE en la gestión de la sobredemanda asistencial del centro de salud de Monforte de Lemos (Lugo). Material y métodos Estudio descriptivo, transversal, observacional y analítico. La población de estudio estuvo formada por los pacientes añadidos a la agenda ordinaria como «forzado» o «forzado urgente». La muestra poblacional se obtuvo durante el periodo del 15 de julio al 15 de agosto de 2022. El análisis comparativo se realizó con periodos previos a la implantación del XIDE y la concordancia XIDE/observadores se estimó mediante el cálculo del índice κ de Cohen. Resultados Observamos un aumento de la presión asistencial, tanto en número de consultas/día como en la proporción de consultas forzadas, que han aumentado en un 30-34%. El grupo mayor de 85 años y las mujeres son los mayoritarios en la sobredemanda. El 83,04% de las consultas urgentes fueron citadas mediante el sistema XIDE. El motivo de consulta más frecuente fue el de sospecha de COVID (24,64%), con una concordancia del 51,4% en este grupo y del 65,5% de forma global. Apreciamos un elevado sobretriaje en los tiempos de atención asignados, incluso cuando coincide el motivo de consulta, con una pobre concordancia estadística con los observadores. Destaca la elevada proporción en la sobredemanda de pacientes pertenecientes a otros cupos del centro de salud, por lo que una adecuada gestión de los recursos humanos con una cobertura adecuada de las ausencias lograría reducirla en un 48,5%, mientras que el sistema XIDE (en el supuesto ideal de una concordancia absoluta) solo lograría reducirla en un 43%. Conclusiones La escasa fiabilidad del XIDE se debe fundamentalmente al triaje inadecuado, más que al fracaso en el objetivo de disminuir la sobredemanda, por lo que no puede sustituir a un sistema de triaje realizado por personal sanitario (AU)

Objective To assess the impact and suitability of the XIDE citation system in the management of over-demand for care at the Monforte de Lemos Health Center (Lugo, Spain). Material and methods Descriptive, cross-sectional, observational and analytical study. The study population was the patients with appointments to the elderly in the ordinary agenda as «forced» or «urgent forced». The population sample was obtained during the period from July 15 to August 15, 2022. The comparative analysis was performed with periods prior to the implementation of XIDE and the XIDE/observer concordance was estimated by calculating Cohen's kappa index. Results We observed an increase in care pressure, both in the number of consultations/day and in the proportion of forced consultations, which have increased by 30-34%. The group over 85 years of age and women are the majority in excess demand. The 83.04% of urgent consultations were cited through the XIDE system, the most frequent reason for consultation being «suspected COVID» (24.64%), with a concordance of 51.4% in this group and 65.5% globally. We appreciate a high overtriage in the assigned attention times, even when the reason for consultation coincides, with a poor statistical concordance with the observers. The high proportion in the overdemand of patients belonging to other places in the health center stands out, so that adequate management of human resources with adequate coverage of absences would reduce it by 48.5%, while the XIDE system (in the ideal assumption of absolute concordance) would only manage to reduce it by 43%. Conclusions The low reliability of the XIDE is mainly due to inadequate triage, rather than the failure to reduce overdemand, so it cannot replace a triage system performed by health personnel (AU)

[Analysis of the XIDE system in the management of overdemand for care]. / Análisis del sistema XIDE en la gestión de la sobredemanda asistencial.

OBJECTIVE: To assess the impact and suitability of the XIDE citation system in the management of over-demand for care at the Monforte de Lemos Health Center (Lugo, Spain). MATERIAL AND METHODS: Descriptive, cross-sectional, observational and analytical study. The study population was the patients with appointments to the elderly in the ordinary agenda as «forced¼ or «urgent forced¼. The population sample was obtained during the period from July 15 to August 15, 2022. The comparative analysis was performed with periods prior to the implementation of XIDE and the XIDE/observer concordance was estimated by calculating Cohen's kappa index. RESULTS: We observed an increase in care pressure, both in the number of consultations/day and in the proportion of forced consultations, which have increased by 30-34%. The group over 85 years of age and women are the majority in excess demand. The 83.04% of urgent consultations were cited through the XIDE system, the most frequent reason for consultation being «suspected COVID¼ (24.64%), with a concordance of 51.4% in this group and 65.5% globally. We appreciate a high overtriage in the assigned attention times, even when the reason for consultation coincides, with a poor statistical concordance with the observers. The high proportion in the overdemand of patients belonging to other places in the health center stands out, so that adequate management of human resources with adequate coverage of absences would reduce it by 48.5%, while the XIDE system (in the ideal assumption of absolute concordance) would only manage to reduce it by 43%. CONCLUSIONS: The low reliability of the XIDE is mainly due to inadequate triage, rather than the failure to reduce overdemand, so it cannot replace a triage system performed by health personnel.

Impact of the glutamatergic neurotransmission within the A5 region on the cardiorespiratory response evoked from the midbrain dlPAG.

Stimulation of the dorsolateral periaqueductal grey matter (dlPAG) in rats evokes an active defensive behaviour together with a cardiorespiratory response characterised by tachypnoea, tachycardia and hypertension. The dlPAG neurons involved in these responses are excitatory, presumably glutamatergic, due to the presence of vesicular glutamate transporter VGLUT2 within their axon terminals. Previously, our group described a functional interaction between dlPAG and the pontine A5 region. Accordingly, in the present work, in order to characterize the role of glutamate within this interaction, experiments were carried out in spontaneously breathing anaesthetized rats (sodium pentobarbitone 60 mg/kg i.p., suplemented with 20 mg/kg i.p.). The cardiorespiratory response evoked by electrical stimulation of the dlPAG (1 ms pulses, 20-50 µA, given at 100 Hz, during 5 s) was analysed before and after the microinjection, within the A5 region, of either kynurenic acid (non-specific glutamate receptor antagonist; 5-10 nmol), DAP-5 (NMDA antagonist; 1 pmol), CNQX (non-NMDA antagonist; 1 pmol) or MCPG (metabotropic antagonist; 0,1 nmol). Kynurenic acid decreased the intensity of both the tachypnoea (p < 0,001) and tachycardia (p < 0,001) induced by dl-PAG stimulation. Blockade of no-NMDA receptors reduced the increase of respiratory frequency, heart rate and pressor response to dl-PAG stimulation (p < 0,01, p < 0,001, p < 0,05 respectively). Blockade of either NMDA or metabotropic receptors reduced the dlPAG-evoked tachycardia and pressor response (p < 0,01; p < 0,05 respectively). These results suggest a neuromodulatory role for A5 region via glutamate neurotransmission of the dlPAG-evoked cardiorespiratory response, confirming the role of the ventrolateral pons in the neuronal circuits involved in respiratory and heart rate control.

Minimally invasive cerebral revascularization in moyamoya disease in adult patients.

BACKGROUND: Moyamoya disease (MMD) affects young patients, is generally progressive, and results in strokes or cerebral hemorrhages for which medical management is not effective. OBJECTIVE: To determine the effectiveness of surgical management with minimally invasive cerebral revascularization in MMD. MATERIAL AND METHODS: We conducted a retrospective cohort study of patients undergoing extracranial-intracranial microsurgical revascularization surgery with mini-craniotomy, analyzing the epidemiological, clinical, neuroimaging, postoperative evolution, and complications. We describe the technique in detail. Key outcomes included graft patency, complications, and recurrence of ischemic or hemorrhagic stroke. RESULTS: From September 2017 to December 2020, 12 brain revascularization procedures for MMD were performed in eight patients (four bilateral), and all 12 grafts were classified as patent. The main complication was contralateral cerebral infarction identified by postoperative neuroimaging in a patient without clinical symptomatology. There was no case of scalp ischemia or necrosis when performing the minimally invasive approach with linear incision. CONCLUSIONS: The results of this study suggest that the minimally invasive extracranial-intracranial cerebral revascularization procedure for MMD in adults is effective, with graft patency in all cases and minimal morbidity.

¿Asesoramos los neonatólogos en España a los padres durante el embarazo? Encuesta nacional / Do neonatologists in Spain offer an interview with parents during pregnancy? National survey

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Simplified approach to estimation of organ absorbed doses for patients undergoing abdomen and pelvis CT examination.

The volumetric computed tomography (CT) dose index (CTDIvol) is the measure of output displayed on CT consoles relating to dose within a standard phantom. This gives a false impression of doses levels within the tissues of smaller patients in Southeast Asia. A size-specific dose estimate (SSDE) can be calculated from the CTDIvolto provide an assessment of doses at specific positions within a scan using size-specific conversion factors. SSDE is derived using the water equivalent diameter (Dw) of the patient, but calculation ofDwrequires sophisticated computer software. This study aimed to evaluate relationships betweenDWand effective diameter (DEff), which can be measured more readily, in order to estimate SSDE at various positions within a routine clinical abdomen and pelvis CT examination for Thai patients. An in-house ImageJ algorithm was developed to measureDw, effective diameter (DEff), and SSDE on CT slices located at the heart, liver, kidneys, colon, and bladder, on 181 CT examinations of abdomen and pelvis. Relationships betweenDEffandDwwere determined, and values of organ absorbed dose usingDEffwere estimated. This approach was validated using a second cohort of 54 patients scanned on a different CT scanner. The results revealed that ratios betweenDEffandDwat the heart level were 1.11-1.13 and those for the others were about 1.00. Additionally, the SSDE/CTDIvolratio was estimated for each organ in terms of exponential functions using the relationships betweenDwandDEfffor individual organs. In summary, this study proposed a simple method for estimation of organ absorbed doses for Southeast Asian patients undergoing abdomen and pelvis CT examinations where sophisticated computer software is not available.

Psychodrama Group Therapy for Social Issues: A Systematic Review of Controlled Clinical Trials.

The aim of this study was to carry out a systematic review of controlled clinical trials in order to identify both specific populations and social issues which may benefit from the effective use of psychodrama psychotherapy. A search was conducted in the WoS, SCOPUS, PsychINFO, Medline, Academic Search Ultimate, ProQuest, and PubPsych databases, complemented by a manual search on relevant websites and in the reference lists of the selected studies. Randomized controlled trials (RCTs) and quasi-RCTs of group-based psychodrama psychotherapy were included. The Effective Public Health Practice Project (EPHPP) tool was adopted to assess the methodological quality of the included studies. The search identified 14 RCTs and one quasi-RCT evaluating the effects of group-based psychodrama psychotherapy. The total number of participants in the studies was 642 people. Seven studies were conducted in Turkey, two in the USA, two in Finland, one in Canada, one in Brazil, one in Italy, and one in Iran. The heterogeneity of the issues analyzed indicates that psychodrama improves the symptoms associated with a wide range of problems. Despite psychodrama's long history, most clinical trials in this field have been published this century, which suggests not only that this psychotherapeutic practice remains relevant today but also that it continues to attract substantial interest among the scientific community. Nevertheless, further research efforts are required to understand its potential benefits for psychosocial well-being.

Phase Transformation Dynamics in Sulfate-Loaded Lanthanide Triphosphonates. Proton Conductivity and Application as Fillers in PEMFCs.

Phase transformation dynamics and proton conduction properties are reported for cationic layer-featured coordination polymers derived from the combination of lanthanide ions (Ln3+) with nitrilo-tris(methylenephosphonic acid) (H6NMP) in the presence of sulfate ions. Two families of materials are isolated and structurally characterized, i.e., [Ln2(H4NMP)2(H2O)4](HSO4)2·nH2O (Ln = Pr, Nd, Sm, Eu, Gd, Tb, Er, Yb; n = 4-5, Series I) and [Ln(H5NMP)]SO4·2H2O (Ln = Pr, Nd, Eu, Gd, Tb; Series II). Eu/Tb bimetallic solid solutions are also prepared for photoluminescence studies. Members of families I and II display high proton conductivity (10-3 and 10-2 S·cm-1 at 80 °C and 95% relative humidity) and are studied as fillers for Nafion-based composite membranes in PEMFCs, under operating conditions. Composite membranes exhibit higher power and current densities than the pristine Nafion membrane working in the range of 70-90 °C and 100% relative humidity and with similar proton conductivity.

A multiplanet system of super-Earths orbiting the brightest red dwarf star GJ 887.

The closet exoplanets to the Sun provide opportunities for detailed characterization of planets outside the Solar System. We report the discovery, using radial velocity measurements, of a compact multiplanet system of super-Earth exoplanets orbiting the nearby red dwarf star GJ 887. The two planets have orbital periods of 9.3 and 21.8 days. Assuming an Earth-like albedo, the equilibrium temperature of the 21.8-day planet is ~350 kelvin. The planets are interior to, but close to the inner edge of, the liquid-water habitable zone. We also detect an unconfirmed signal with a period of ~50 days, which could correspond to a third super-Earth in a more temperate orbit. Our observations show that GJ 887 has photometric variability below 500 parts per million, which is unusually quiet for a red dwarf.