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Concordance among pulse wave velocity assessment methods: A network meta-analysis

中华医学杂志(英文版) 2024年第17期137卷 2137-2139页

作者： cavero-redondo iván Sequí-Domínguez Irene Saz-Lara Alicia Garcia-Klepzig Jose Luis Lucerón-Lucas-Torres Maribel Martínez-García Irene álvarez-Bueno Celia Martínez-Vizcaíno Vicente CarVasCare Research Group Facultad de Enfermería de Cuenca Universidad de Castilla-La Mancha Cuenca Spain Facultad de Ciencias de la Salud Universidad Autónoma de Chile Talca Chile Health and Social Research Center Universidad de Castilla-La Mancha Cuenca Spain Internal Medicine Department San Carlos University Hospital Madrid Spain Universidad Politécnica y Artística del Paraguay Asunción Paraguay

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Influence of biomass burning on ozone levels in the Megalopolis of Central Mexico during the COVID-19 lockdown

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Journal of Environmental Sciences 2024年第9期143卷 99-115页

作者： Victor Almanza Luis Gerardo Ruiz-Suárez Ricardo Torres-Jardón Agustín García-Reynoso iván Y.Hernández-Paniagua Institute for Atmospheric Sciences and Climate Change National Autonomous University of MexicoCoyoacan 04510Mexico CityMexico

The massive reductions in anthropogenic emissions resulting from the COVID-19 lockdown provided a unique opportunity to evaluate the effect of mitigation measures aiming to abate air *** Mexico,the total lockdown period took place during the dry-hot season when biomass burning activity is ***,we investigate the role of biomass burning emissions on regional ozone levels in the Megalopolis of Central *** studied period covers the lockdown phases 2 and 3,and the first month of the new *** applied a factor separation technique and process analysis to estimate the pure and synergistic contributions of emission reductions under lockdown and that from biomass burning to daily ozone maximum concentrations in 7 metropolitan areas of different states in the *** results revealed that biomass burning plumes likely masked the effect of massive reductions from mobile emissions,impacted the PBL development during phase 3 and favored transition and mixed nO_(x)-limited and VOC-limited regional *** contributed to increased ozone production in the middle to lower PBL by changing the regional background levels which potentially could bias high ozone production efficiency *** the Megalopolis contribution to economic and societal development at national scale,our study suggests that ozone mitigation measures during the dry-hot season targeting mainly mobile emissions will likely be offset by biomass burning plumes.A regional and synergic policy aiming to control biomass burning would help to reduce the occurrence of high ozone levels in Central Mexico with the co-benefit of tackling short-lived climate pollutants.

关键词： COVID-19 Mexico Megalopolis Ozone Factor Separation Process Analysis

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Technical efficiency of cocoa farms at varying elevation levels in Davao City, Philippines: implications to sustainable upland farming systems

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Journal of Mountain Science 2024年第1期21卷 33-48页

作者： Francis Levi A.DURAnO Jon Marx SARMIEnTO Larry n.DIGAL Pedro A.ALVIOLA iv School of Management University of the Philippines MindanaoDavao City 8000Philippines

Elevation is one of many components that influence agriculture, and this in turn affects the level of both inputs and outputs of farmers. This article focuses on the productivity and technical efficiency of 100 cocoa farms using cross-sectional data from areas ranging from 190 to 1021 m above sea level which were classified as low, medium, and high elevation in Davao City, considered as the chocolate capital of the Philippines. Using stochastic frontier analysis, the results showed that the cost of inputs per ha and the number of cocoa trees per ha significantly increase yield. Farms at high elevations were less technically efficient, as this entails lower temperatures and increased rainfall, and cocoa farming in those areas and conditions can be more challenging, especially with changes in farming practices, terrain, and distance to markets. Other significant variables were age of cocoa farms, married farmers, and age of the farmers. Older farms may be more developed, farmers who are married benefit from their spouses being able to readily contribute as farm labor, and lastly, older farmers' inefficiency may likely stem from nonadaptation of newer farming practices. With an average technical efficiency of 0.61, 0.63, and 0.26 in low, medium, and high elevation areas, respectively, farmers therefore have an incentive to improve farm practices and consider topographical variations found in high elevation areas. Recommendations for the improvement of technical efficiency of cocoa farms are better connectivity to markets, enhancing farm practices, and continuation and improvement of government programs on cocoa with an added emphasis on research. For farmers in high elevation areas, mitigating solutions such as sustainable agriculture practices and ecolabelling are key to improving efficiency and minimizing the potential negative impact on upland farming systems. Moreover, such adaptation measures may also contribute to sustainability of cocoa farming in high elevation

关键词： Cocoa farms Cobb-Douglas production function Elevation Philippines Stochastic frontier analysis Technical efficiency

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Mental health in organizations from a healthcare analytics framework:taxonomic model,trends,and impact of COVID-19

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Journal of Management Analytics 2024年第1期11卷 62-86页

作者： Jorge iván Pérez Rave Carlos Mario Zapata Jaramillo Gloria Patricia Jaramillo Álvarez IDInnOV research group IDINNOV S.A.SMedellínColombia Department of Computing and Decision Sciences Universidad Nacional de ColombiaMedellínColombia

Mental disorders negatively affect employee well-being and organizational *** face a challenge in terms of how to manage mental *** paper clarifies three issues(underlying patterns,trends,and impact of COVID-19)regarding the scientific study of mental health in organizations from a healthcare analytics *** framework comprises eight stages considering a text-driven approach with scientific corpora assisted by linguistic/computational and statistical *** study discovers a new taxonomic model comprising five patterns in the scientific discourse on the *** analyses reveal imbalances and concerns regarding the interests associated with the patterns,which is reinforced by examining patterns“before”and“during”*** paper complements psychological/epidemiological studies on mental health in organizations from a healthcare analytics perspective.

关键词： Healthcare analytics healthcare management analytics mental health scientific discourse text analytics taxonomy COVID-19 management analytics

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Comparative effects of different types of exercise on health-related quality of life during and after active cancer treatment:A systematic review and network meta-analysis

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Journal of Sport and Health Science 2023年第6期12卷 726-738页

作者： Vicente Martínez-Vizcaíno iván cavero-redondo Sara Reina-Gutiérrez Luis Gracia-Marco JoséJGil-Cosano Bruno Bizzozero-Peroni Fernando Rodriguez-Artalejo Esther Ubago-Guisado Universidad de Castilla-La Mancha Health and Social Research CenterCuenca 16071Spain Facultad de Ciencias de la Salud Universidad Autónoma de ChileTalca 3460000Chile PROFITH(PROmoting FITness and Health through physical activity)Research Group Department of Physical Education and SportsFaculty of Sport SciencesSport and Health University Research Institute(iMUDS)University of GranadaGranada 18012Spain Higher Institute for Physical Education Universidad de la RepúblicaRivera 40000Uruguay Department of Preventive Medicine and Public Health School of MedicineUniversidad Autónoma de MadridMadrid 28029Spain IdiPaz(Instituto de Investigación Sanitaria Hospital Universitario La Paz) Madrid 28029Spain g Epidemiology and Control of Chronic Diseases CIBER of Epidemiology and Public Health(CIBERESP)Madrid 28029Spain Cancer Registry of Granada Escuela Andaluza de Salud PúblicaGranada 18011Spain Cancer Epidemiology Group Instituto de Investigación BiosanitariaGranada 18012Spain

Background The positive influence of most types of exercise has been reported repeatedly,but what the most effective exercise approaches are for improving health-related quality of life(HRQoL)in people with cancer remains *** aim of this systematic review and network meta-analysis was to synthesize the evidence from intervention studies to assess the effects of different types of exercise on HRQoL during and after cancer *** MEDLInE,SPORTDiscus,the Cochrane Library,Web of Science,and Scopus were searched for randomized controlled trials aimed at testing the effects of exercise interventions meant to improve HRQoL in people with *** analyses were conducted for HRQoL as measured by general and cancer-specific *** also evaluated whether the effects of exercise were different during and after cancer treatment in both the physical and mental HRQoL *** In total,93 studies involving 7435 people with cancer were *** effect size estimates comparing exercise intervention *** care were significant for combined exercise(0.35,95%confidence interval(95%CI):0.14–0.56)for HRQoL as measured by general questionnaires,and for combined(0.31,95%CI:0.13–0.48),mind–body exercise(0.54,95%CI:0.18–0.89),and walking(0.39,95%CI:0.04–0.74)for HRQoL as measured by cancer-specific *** Exercise programs combining aerobic and resistance training can be recommended to improve HRQoL during and after cancer *** scarcity and heterogeneity of these studies prevents us from making recommendations about other exercise modalities due to insufficient evidence.

关键词： Cancer Exercise HRQoL Physical activityTagedEnd

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极干旱胁迫对雀麦、多年生黑麦草生长和体内水分的影响

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草地学报 2024年

作者：张咏梅胡海英白小明 Matthew Cory García-Favre Javier Ordó?ez iván P 甘肃农业大学干旱生境作物学国家重点实验室宁夏大学林业与草业学院甘肃农业大学草业学院农业与环境学院梅西大学坎佩奈克农艺研究所

为研究极端干旱对牧草生长的影响，选择多年生黑麦草（Lolium Perenne）(Lp)和雀麦（Bromus Valdivianus）(Bv)给予80%?85%植物有效水（Plant available water， PAW）和20%?25% PAW 2种水分处理，分析2牧草生长及体内水分状况对干旱胁... 详细信息

为研究极端干旱对牧草生长的影响，选择多年生黑麦草（Lolium Perenne）(Lp)和雀麦（Bromus Valdivianus）(Bv)给予80%?85%植物有效水（Plant available water， PAW）和20%?25% PAW 2种水分处理，分析2牧草生长及体内水分状况对干旱胁迫的响应。研究表明：1)80%?85% PAW充足水分下，2牧草生物量积累、水势（Water potential， WP）、相对含水量（Relative water content， RWC）和净光合速率（net photosynthetic rate， Pn）无明显种间差异。Bv叶片宽而重、蒸腾速率（Transpiration rate， Tr）、CO2总导度(Total conductance to CO2， CndCO2)和气孔导度(Conductance to H2O， Gs)显著高于Lp。而Lp分蘗多、叶多汁；瞬时水分利用效率是Bv的1.63倍。2)20%?25% PAW对2牧草生长影响不完全一致，叶饱和重、干重和叶面积有相反变化趋势，但与充足水分相比差异不显著；Pn，Tr，CndCO2，Gs和RWC则极显著降低，WP极显著降低了1.60 MPa，致使枯叶占比和叶温差的显著升高。总之，雀麦和多年生黑麦草生长相近，水分利用模式不同；遭受极端干旱，不同种的2牧草耐旱机制具有一定的共性，通过增强叶片持水力、降低水分循环、减少蒸腾失水以提高牧草抗旱性。

关键词：干旱胁迫光合作用蒸腾作用生物量积累瞬时水分利用效率水势

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Minimally Invasive Surgery for necrotizing Pancreatitis: A Case Report

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Surgical Science 2024年第9期15卷 514-521页

作者： néstor Veriel Méndez Huerta Luis Fernando Zorrilla núñez noelia Obregón Gaxiola César Jair Treviño Arizmendi Gerardo iván Muñoz Morales Marco Alejandro Arizmendi Villarreal Pamela Denisse Valdez navarro Marco Antonio Hernández Guedea Gerardo Enrique Muñoz Maldonado Service of General Surgery Hospital Universitario Dr. Jos Eleuterio Gonzlez Universidad Autnoma de Nuevo Len Monterrey Mxico

Introduction: necrotizing pancreatitis management is complex and varies significantly among clinicians. Minimally invasive approaches like transgastric necrosectomy via laparoscopy are emerging as effective treatment options. This case report underscores the technique’s efficacy, clinical outcomes, and role in reducing complications. Clinical Observation: A 59-year-old male with a history of smoking and alcoholism presented with severe abdominal pain, nausea, and vomiting. Over the following weeks, he developed symptoms including asthenia, weight loss, and melena. Diagnostic workup revealed severe anemia and Balthazar E necrotizing pancreatitis, with significant intra-abdominal fluid collections and signs of infection. After initial conservative management, the patient underwent transgastric necrosectomy via laparoscopy due to deteriorating clinical status. The procedure involved removing necrotic tissue and performing a cystogastroanastomosis and jejunostomy. Postoperative care included fasting, parenteral nutrition, broad-spectrum antibiotics, and enzymatic replacement. The patient recovered well, with reduced necrotic tissue on follow-up imaging, and was discharged twelve days post-surgery [1]. Conclusion: Transgastric necrosectomy by laparoscopy is a valuable first-line surgical option for patients with symptomatic necrotizing pancreatitis, particularly in cases without prior interventions. This minimally invasive technique helps reduce major complications and mortality, offering a less invasive alternative to traditional open necrosectomy. The multidisciplinary approach and careful postoperative management were crucial to the patient’s favorable outcome. The case highlights the potential of transgastric necrosectomy as an effective treatment strategy in managing complex pancreatitis cases, including those with associated duodenal perforation [2].

关键词： necrotizing Transgastric Pancreatic necrosectomy Pancreatitis Case Report

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Standardizing MI-TLIF, a Proposal for a Reproducible Technique

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Open Journal of Modern neurosurgery 2024年第2期14卷 91-103页

作者： iván Ulises Sámano López Jesús Alberto Pérez Contreras Emmanuel Cantú Chávez Diana Chávez Lizárraga Ana Sofía Peña Blesa Thania Karina Gutiérrez Anchondo Á ngeles Pedregal Ciudad de México México

Background: Minimally invasive transforaminal lumbar interbody fusion (MI TLIF) is a widely known and performed technique, however its versatility among different physicians continues to hinder its replication and results. Therefore, this study aimed to provide a step-by-step surgical guide to perform a safe MI-TLIF, based on the results obtained in patients operated on by a single surgeon over a period of 12 years. Patients and methods: A retrospective, single center, longitudinal, and observational cohort study was conducted with 931 patients who underwent MI TLIF by a single surgeon between 2010 and 2022 using the technique described on this paper, each with a minimum follow-up of 12 months. Criteria included Schizas classification, listhesis according to Meyerding classification, number of levels treated, cage size, and complications (screw repositioning or cerebrospinal fluid leak). Patient clinical outcomes were assessed using the Oswestry Disability Index (ODI), Visual Analog Scale (VAS) for pre- and postoperative radicular pain. Thin slice CT scans were used to assess the progression of the fusion using the Bridwell classification. In the statistical analysis, percentages, median, and interquartile range (IQR) were calculated. Results: nine hundred and thirty one patients underwent MI TLIF using the technique described, eight hundred and eighty (94.5%) had a single level treated and fifty one (5.5%) had a 2 level procedure (982 levels), an 8mm cage was placed on five hundred and seventeenlevels (52.7%), six hundred and sixty three levels(67.6%) achieved grade I fusion, two hundred and sixty six levels (27.1%) achieved grade II fusion, 52 levels (5.3) achieved grade III fusion and one level (0.1) achieved a grade iv fusion or non-union. Revision surgery was performed on 3 patients (0.3%) for screw repositioning, cerebrospinal fluid leak was present on 2 patients during surgery and treated before closure. VAS scores and ODI were improved at 12 months postop (V

关键词： MITLIF Lumbar Interbody Fusion Technique Pain Relief and Disability

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nutritional Supplement Ocoxin® Combined with Gemcitabine-Based Chemotherapy in Patients with Advanced Pancreatic Adenocarcinoma

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Open Journal of Gastroenterology 2024年第8期14卷 267-287页

作者： Mayté Lima-Pérez Jorge Luis Soriano-García Masiel González-Meisozo Jorge Luis Soriano-Lorenzo Vilma Fleites-Calvo Dunia Morales-Morgado Carlos Domínguez-Álvarez iván Ramón-Concepción Raidel Rodríguez-Barrios Alicia Tarinas-Reyes ivis Mendoza-Hernández Rolando Uranga-Piña Clinical Oncology Department Ameijeiras Hospital Havana Cuba Clinical Pathology Department Ameijeiras Hospital Havana Cuba Clinical Section National Coordinating Centre for Clinical Trials Havana Cuba Biostatistics Section National Coordinating Centre for Clinical Trials Havana Cuba

Background: the quality of life (QoL) of patients with pancreatic ductal adenocarcinoma (PDAC), with its limited survival, can be affected by chemotherapy-induced toxicity. The main objective was to evaluate the effect of introducing ocoxin oral solution (OOS) in combination with standard therapy on quality of life. Methods: Thirty patients were enrolled in an exploratory, prospective, single-centre clinical trial in the oncology department of “Hermanos Ameijeiras” University Hospital in Havana, Cuba. Quality of life was measured using the EORTC QLQ-C30 questionnaire and toxicity was assessed using the nCI-CTC-AE classification version 5.0. Results: There was stability in the scores over time for overall QoL and the functional scale criteria, while in terms of symptoms, fatigue, pain and loss of appetite were reduced. no grade 3 - 4 adverse events (AEs) were recorded, and only 14.9% of toxicities were classified as grade 2, and these were considered to be unrelated to OOS. Biochemical and nutritional parameters were normalised at 12 months compared to the baseline values. Conclusions: This clinical study is the first report of the use of OOS in patients with advanced pancreatic cancer, and demonstrates that it is able to maintain optimal quality of life with reduced severity of toxicity during and after combination treatment with gemcitabine-based chemotherapy.

关键词： EORTC QLQ-C30 Ocoxin Chemotherapy Pancreatic Cancer Quality of Life

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Academic Stress Assessment Using Virtual Reality as an Educational Tool in Spine Surgery

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Open Journal of Modern neurosurgery 2024年第2期14卷 114-123页

作者： Diana Chávez Lizárraga Jesús Alberto Pérez Contreras Fernando Alvarado Gómez Evelyn Quintero Medina Emmanuel Cantú Chávez iván Ulises Sámano López Ana Sofía Peña Blesa Department of neurosurgery ángeles Pedregal Ciudad de México México Department of Traumatology and Orthopedics Hospital Santa Fe Bogotá Colombia

Introduction: The evaluation of academic stress in medical students and residents is a topic of significant interest, given the considerable challenges they face during their learning process with traditional teaching methods. The use of technologies like virtual reality presents an opportunity to enhance their skills through simulations and training. The main objective of this study is to qualitatively assess the stress levels experienced by medical students and residents by integrating virtual reality into their current learning methods, aiming to improve their ability to manage stressors in their practice. Material and Methods: A questionnaire was conducted with 12 medical students and 12 Traumatology and orthopedics residents. The purpose of the questionnaire was to evaluate the levels of academic stress using the SISCO inventory. The stress levels were calculated by transforming average values into percentages, and the following criteria were assigned: 0 to 33% for Mild Stress, 34 to 66% for Moderate Stress, and 67 to 100% for Deep Stress. Then, a virtual reality class focused on spine surgery was provided. Both medical students and residents were trained using the non nocere SharpSurgeon software platform and Oculus Quest 2 virtual reality glasses. At the end of the session, a second questionnaire related to the practice with virtual reality was conducted with the same evaluation criteria and a comparative analysis was carried out. Results: 12 undergraduate students from Hospital Angeles Mexico, CDMX and 12 traumatology and orthopedics residents at Hospital Santa Fe, Bogota were evaluated. The students in CDMX reported an average qualitative stress of 28.50% during habitual practices, which decreased to an average of 14.67% after virtual reality practice. Residents in Bogotá experienced an average qualitative stress of 30.50% with their current learning methods but this reduced to an average of 13.92% after using virtual reality. These findings indicate that t

关键词： Virtual Reality Academic Stress Learning Strategies Spine Surgery Training

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