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Pyloric sympathectomy: A Novel Way to Get Pylorus Relaxation? Report of Two Bariatric Cases

surgical science 2024年第6期15卷 381-395页

作者： Victor Ramos Mussa Dib carlos Augusto scussel Madalosso Rui Ribeiro Paulo Reis Esselin de Melo Fernando Fornari Victor Dib Institute Manaus Brazil Gastrobese Clinic Passo Fundo Brazil Lusadas Amadora Hospital Lisboa Portugal Paulo Reis Institute Goinia Brazil Alfredo Nasser University Center (UNIFAN) Goinia Brazil Faculdade de Medicina Universidade de Passo Fundo Passo Fundo Brazil Faculdade de Medicina Universidade Federal da Fronteira do Sul Chapec Brazil

Objective: This case report aimed to demonstrate a possible neuromuscular effect of pyloric sympathectomy on the pylorus motility, leading to its permanent relaxation, observed in two bariatric surgical cases, one primary and the other, revisional. Background: Pyloric sphincter is a physiological barrier to free gastric emptying. In sleeve gastrectomy and in Roux-en-Y gastric bypass revisions, that put the remnant stomach in transit, the pylorus can contribute to generate a high intragastric pressure, which could lead to acute gastric fistulas and/or chronic gastroesophageal reflux disease. The possibility of functionally relaxing the pylorus, promoting intragastric pressure reduction, could represent a protective maneuver against these complications. Methods: We describe herein a surgical maneuver applied in two cases of bariatric surgeries, with the intention of facilitating antrum-duodenal region exposure, in a sleeve gastrectomy and in a Roux-en-Y gastric bypass conversion to sADI-s. For this, a ligation of terminal peripyloric vessels was done, allowing a passage of a tape, which surrounded the pylorus, for its traction. In both cases, 30-day and 1-year endoscopic evaluations were done, to assess esophagitis signs, anastomosis healing and anatomical pouch aspect. A clinical evaluation was also done, to assess gastroesophageal symptoms (validated questionnaire). Results: In the postoperative endoscopic evaluations, no esophagitis were observed in any case and the gastric pouches had normal aspect, with the expected anatomical findings, compatible with the surgeries performed. The anastomosis healed without problems, in the revisional case. Interestingly, in both cases, it was observed a complete pyloric sphincter relaxation, which lasted until 1-year endoscopic evaluation. There were no fistulas, nor esophagitis in any of these cases. Clinically, there were no symptoms of gastroesophageal reflux disease (validated questionnaire). Conclusion: The observation of a

关键词： Roux-en-Y Gastric Bypass sleeve Gastrectomy sympathectomy Bariatric surgery

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Expectations and Level of satisfaction of the Patient with Parkinson’s Disease Undergoing Deep Brain stimulation surgery at the National Institute of Neurology and Neurosurgery

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Advances in Parkinson's Disease 2024年第1期13卷 1-7页

作者： Paola Bazán-Rodríguez Eduardo Ichikawa-Escamilla Etienne Reséndiz-Henríquez carlos E. Martínez-Cortés Amin Cervantes-Arriaga Mayela Rodríguez-Violante Lisette Bazán-Rodríguez Laboratorio de Enfermedades Neurodegenerativas en el Instituto Nacional de Neurología y Neurocirugía Manuel Velasco suarez Ciudad de México México Laboratorio de Enfermedades Neurodegenerativas en el Instituto Nacional de Neurología y Neurocirugía Manuel Velasco suarez Ciudad de México México. Unidad Periférica para el Estudio de la Neuroinflamación en Patologías Neurológicas del Instituto de Investigaciones Biomédicas en el Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suarez Ciudad de México México

Background: Deep brain stimulation (DBs) is an established treatment for patients with advanced Parkinson’s disease (PD). Reports show continued patient satisfaction after surgery despite not maintaining clinical improvement as measured by evolution scales. Objectives: The present study sought to explore expectations and level of satisfaction in patients after DBs surgery with a semi-structured questionnaire and subsequent correlation with functional scales, Quality of Life (QoL), and motor and non-motor symptoms. Methods: We performed descriptive statistics to represent demographic data, Wilcoxon rank tests to determine significant differences, and spearman correlation between the applied scales. Results: We evaluated 20 patients with a history of DBs surgery. 45% were female, with a mean age of 55.7 ± 14.15 years, a mean disease duration of 13.42 ± 8.3 years, and a mean time after surgery of 3.18 ± 1.86 years. Patients reported surgery meeting expectations in 85.5% and continued satisfaction in 92%. These two variables showed a significant correlation. Conclusions: This sample of patients remained satisfied after DBs surgery, although we found no differences in motor and non-motor clinimetric scales. Further studies are needed to confirm the importance of assessing quality of life in patients with DBs.

关键词： Parkinson’s Disease Quality of Life Deep Brain stimulation Patient satisfaction

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Transcranial Direct Current stimulation: Effects on Motor and Non-Motor symptoms of Parkinson’s Disease

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Journal of Behavioral and Brain science 2024年第5期14卷 135-160页

作者： Fayda Protásio carlos Alberto Bezerra Tomaz Joaquim Brasil-Neto Pedro Brandão Nasser Allam Maria Clotilde Henriques Tavares Laboratory of Neuroscience and Behavior Department of Physiological Sciences Institute of Biology University of Braslia Braslia Brazil Master Program in Environment University CEUMA So Lus MA and Faculty of Medicine Euro-American University Center-UNIEURO Braslia Brazil Faculty of Medicine Euro-American University Center-UNIEURO Braslia Brazil NA Neurologistas Associados Braslia Brazil

Introduction: In the last thirty years, brain neuromodulation techniques have been used as an alternative to pharmacological treatment of neurological disorders. Parkinson’s disease (PD) is a neurodegenerative disorder leading to bradykinesia, rest tremor, postural changes, and non-motor symptoms such as depression, anxiety, sleep disorders, pain, and cognitive decline that compromises executive functions (EFs), responsible for the orderly execution of behaviors and tasks of daily life and intentional and directed actions. To this date, a few studies with transcranial direct current stimulation (tDCs) have shown beneficial effects in PD patients concerning specific motor and non-motor symptoms, targeting the motor cortex and/or prefrontal regions. Objective: The main objective of this study was to evaluate the effects of left prefrontal tDCs across a broad spectrum of motor and non-motor symptoms of PD using established validated scales. Method: single-blind randomized clinical trial with 18 volunteers with PD, aged between 45 and 80 years (66.1 ± 9.65), who met inclusion and exclusion criteria. Participants were submitted to assessments of motor and non-motor functions employing psychometric scales and tests to evaluate EFs and were randomly divided into two groups: control (sham stimulation) and experimental (active stimulation). All participants were involved in three separate tDCs sessions. The anode was positioned over the left dorsolateral prefrontal cortex and the cathode over the right supraorbital region, with a direct current intensity of 2 mA, lasting 20 minutes. At the end of the three sessions, all participants were reassessed. Results: significant effects of tDCs on non-motor functions were observed for cognition (verbal fluency of actions, clock copy test, appointment by visual confrontation, and verbal memory with immediate free recall) and subjective assessment of sleep quality (overall restlessness and discomfort in the arms and legs at night, leg

关键词： Parkinson’s Disease Neuromodulation Transcranial Direct Current stimulation—tDCs Movement Disorders Mood sleep Cognition

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Environmental determinants of social wasp diversity and assemblage structure in an Amazonian archipelagic landscape

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Zoological Research(Diversity and Conservation) 2024年第2期1卷 121-129页

作者： Jose Victor Alves Ferreira Alexandre somavilla Maíra Benchimol Ana Filipa Palmeirim carlos A.Peres Danielle storck-Tonon Laboratório de Ecologia Aplicada àConservação Universidade Estadual de Santa CruzIlhéus 45662-900Brazil Instituto Nacional de Pesquisas da Amazônia Coordenação de BiodiversidadeManaus 69067-001Brazil CIBIO Centro de Investigação em Biodiversidade e Recursos GenéticosInBIO Laboratório AssociadoCampus de VairãoUniversidade do PortoVairão 4485-661Portugal BIOPOLIs Program in Genomics Biodiversity and Land PlanningCIBIOCampus de VairãoVairão 4485-661Portugal school of Environmental sciences University of East AngliaNorwich NR47TJUK Instituto Juruá Manaus69057-060Brazil Programa de Pós-Graduação em Ambiente e sistemas de Produção Agrícola(PPGAsP) Universidade do Estado de Mato GrossoTangaráda Serra 78300-970Brazil

Hydropower development has become an important driver of habitat loss and fragmentation across lowland tropical *** ample evidence on the detrimental effects of insular habitat fragmentation on biodiversity,invertebrate taxa,that may be critical to ecosystem functioning,have been *** assessed the assemblage-level responses of social wasps to forest insularization induced by the Balbina Hydroelectric Dam in Central Brazilian *** Malaise trapping,we captured wasps on 27 forest islands and three continuous *** constructed Generalized Linear Models and employed a model selection approach to examine the impact of local variables(fire severity(FIRE)and basal area of pioneer tree species(PIONEER))and landscape-scale variables(amount of habitat(COVER))on patterns of species richness,composition,and body size of wasps.A total of 374 individuals(29 species)were collected across all sampling *** was the main predictor of species richness,while PIONEER was the only variable that explained variation in community composition,with a negative effect on body *** results add evidence to the pervasive impacts of large hydroelectric dams on tropical forest biodiversity,and suggest that social wasps,among other invertebrates,can be used as bioindicators in infrastructure development projects.

关键词： Habitat amount hypothesis Habitat fragmentation Habitat loss Hydroelectric dams Invertebrates

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Nano/Micro-structural supramolecular Biopolymers: Innovative Networks with the Boundless Potential in sustainable Agriculture

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Nano-Micro Letters 2024年第8期16卷 79-101页

作者： Roohallah saberi Riseh Mohadeseh Hassanisaadi Masoumeh Vatankhah Rajender s.Varma Vijay Kumar Thakur Department of Plant Protection Faculty of AgricultureVali-e-Asr University of RafsanjanImam Khomeini SquareRafsanjan ***Iran Centre of Excellence for Research in sustainable Chemistry Department of ChemistryFederal University of São CarlosSão CarlosSP 13565‑905Brazil Biorefining and Advanced Materials Research Center Scotland’s Rural Collage(SRUC)Edinburgh EH93JGUK

sustainable agriculture plays a crucial role in meeting the growing global demand for food while minimizing adverse environmental impacts from the overuse of synthetic pesticides and conventional *** this context,renewable biopolymers being more sustainable offer a viable solution to improve agricultural sustainability and ***/micro-structural supramolecular biopolymers are among these innovative biopolymers that are much sought after for their unique *** biomaterials have complex hierarchical structures,great stability,adjustable mechanical strength,stimuli-responsiveness,and self-healing *** molecules may be added to their flexible structure,for enabling novel agricultural *** overview scrutinizes how nano/micro-structural supramolecular biopolymers may radically alter farming practices and solve lingering problems in agricultural sector namely improve agricultural production,soil health,and resource *** bioactive ingredient released from biopolymers allows the tailored administration of agrochemicals,bioactive agents,and biostimulators as they enhance nutrient absorption,moisture retention,and root ***/micro-structural supramolecular biopolymers may protect crops by appending antimicrobials and biosensing entities while their eco-friendliness supports sustainable *** their potential,further studies are warranted to understand and optimize their usage in agricultural *** effort seeks to bridge the knowledge gap by investigating their applications,challenges,and future prospects in the agricultural *** experimental investigations and theoretical modeling,this overview aims to provide valuable insights into the practical implementation and optimization of supramolecular biopolymers in sustainable agriculture,ultimately contributing to the development of innovative and eco-friendly solutions to enhance agricultural productivity while minimizing envir

关键词： supramolecular Biopolymers sustainable agriculture Nanotechnology

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