keyword
https://read.qxmd.com/read/38536714/robotic-assisted-burring-in-total-hip-replacement-a-new-surgical-technique-to-optimise-acetabular-preparation
#1
JOURNAL ARTICLE
Tiancheng Li, Peter Walker, Richardo Khonasty, Victor A van de Graaf, Eric Yelf, Liang Zhao, Shoudong Huang
BACKGROUND: In Total Hip replacement (THR) surgery, a critical step is to cut an accurate hemisphere into the acetabulum so that the component can be fitted accurately and obtain early stability. This study aims to determine whether burring rather than reaming the acetabulum can achieve greater accuracy in the creation of this hemisphere. METHODS: A preliminary robotic system was developed to demonstrate the feasibility of burring the acetabulum using the Universal Robot (UR10)...
February 2024: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/38535182/the-host-response-to-coccidioidomycosis
#2
REVIEW
Theo N Kirkland, Chiung-Yu Hung, Lisa F Shubitz, Sinem Beyhan, Joshua Fierer
Coccidioidomycosis is an important fungal disease that is found in many desert regions of the western hemisphere. The inhaled organisms are highly pathogenic, but only half of infected, immunologically intact people develop symptomatic pneumonia; most symptomatic infections resolve spontaneously, although some resolve very slowly. Furthermore, second infections are very rare and natural immunity after infection is robust. Therefore, the host response to this organism is very effective at resolving the infection in most cases and immunizing to prevent second infections...
February 25, 2024: Journal of Fungi (Basel, Switzerland)
https://read.qxmd.com/read/38534183/what-factors-can-affect-the-occurrence-of-vertigo-in-patients-after-craniofacial-surgery-in-china
#3
JOURNAL ARTICLE
Sainan Zhang, Jun Zhuang, Wenhong Wu, Lan Huang, Mei Tian, Li Guo, Mengjin Sun, Jintian Hu, Na Liu
Vertigo is a complication of craniomaxillofacial contour plastic surgery characterized by dizziness from hypovolemia in the cerebral hemispheres and brainstem. The authors analyzed the current status and influencing factors of postoperative vertigo in patients who undergo craniomaxillofacial contouring and discussed improvements in nursing strategies. The authors investigated 418 patients admitted to the authors' hospital who underwent craniomaxillofacial contouring between November 2020 and October 2023 and divided them into asymptomatic and symptomatic groups based on syncopal precursors or vertigo...
March 27, 2024: Journal of Craniofacial Surgery
https://read.qxmd.com/read/38534056/global-warming-and-anthropogenic-emissions-of-water-vapor
#4
JOURNAL ARTICLE
Xuan Li, Bruce Peachey, Nobuo Maeda
The two major components of greenhouse gases, CO2 and water, are indispensable for sustaining life on Earth. Water vapor is the most significant greenhouse gas that has provided the earth with an "atmospheric blanket" and prevented the surface of the earth from freezing. However, contemporary climate models largely consider the influence of water vapor as a factor within positive feedback loops, while the possibility of direct anthropogenic emissions of water vapor as primary drivers of global warming remains underexplored...
March 27, 2024: Langmuir: the ACS Journal of Surfaces and Colloids
https://read.qxmd.com/read/38533959/health-factors-associated-with-development-and-severity-of-poststroke-dysphagia-an-epidemiological-investigation
#5
JOURNAL ARTICLE
Brittany N Krekeler, Heidi J P Schieve, Jane Khoury, Lili Ding, Mary Haverbusch, Kathleen Alwell, Opeolu Adeoye, Simona Ferioloi, Jason Mackey, Daniel Woo, Matthew Flaherty, Felipe De Los Rios La Rosa, Stacie Demel, Michael Star, Elisheva Coleman, Kyle Walsh, Sabreena Slavin, Adam Jasne, Eva Mistry, Dawn Kleindorfer, Brett Kissela
BACKGROUND: Dysphagia after stroke is common and can impact morbidity and death. The purpose of this population-based study was to determine specific epidemiological and health risk factors that impact development of dysphagia after acute stroke. METHODS AND RESULTS: Ischemic and hemorrhagic stroke cases from 2010 and 2015 were identified via chart review from the GCNKSS (Greater Cincinnati Northern Kentucky Stroke Study), a representative sample of ≈1.3 million adults from southwestern Ohio and northern Kentucky...
March 27, 2024: Journal of the American Heart Association
https://read.qxmd.com/read/38533562/computational-synaptic-modeling-of-pitch-and-duration-mismatch-negativity-in-first-episode-psychosis-reveals-selective-dysfunction-of-the-n-methyl-d-aspartate-receptor
#6
JOURNAL ARTICLE
F López-Caballero, R Auksztulewicz, Z Howard, R E Rosch, J Todd, D F Salisbury
Mismatch negativity (MMN) to pitch (pMMN) and to duration (dMMN) deviant stimuli is significantly more attenuated in long-term psychotic illness compared to first-episode psychosis (FEP). It was recently shown that source-modeling of magnetically recorded MMN increases the detection of left auditory cortex MMN deficits in FEP, and that computational circuit modeling of electrically recorded MMN also reveals left-hemisphere auditory cortex abnormalities. Computational modeling using dynamic causal modeling (DCM) can also be used to infer synaptic activity from EEG-based scalp recordings...
March 27, 2024: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://read.qxmd.com/read/38532631/the-hadley-circulation-in-a-changing-climate
#7
REVIEW
Piero Lionello, Roberta D'Agostino, David Ferreira, Hanh Nguyen, Martin S Singh
The Hadley circulation (HC) is a global-scale atmospheric feature with air descending in the subtropics and ascending in the tropics, which plays a fundamental role in Earth's climate because it transports energy polewards and moisture equatorwards. Theoretically, as a consequence of anthropogenic climate change, the HC is expected to expand polewards, while indications on the HC strength are equivocal, as weakening and strengthening are expected in response to different mechanisms. In fact, there is a general agreement among reanalyses and climate simulations that the HC has significantly widened in the last four decades and it will continue widening in the future, but there is no consensus on past and future changes of the HC strength...
March 26, 2024: Annals of the New York Academy of Sciences
https://read.qxmd.com/read/38532494/epidemiological-characterization-and-risk-assessment-of-rabbit-haemorrhagic-disease-virus-2-rhdv2-b-gi-2-in-the-world
#8
JOURNAL ARTICLE
Zhuo Sun, Qi An, Yuepeng Li, Xiang Gao, Hongbin Wang
A novel variant of rabbit haemorrhagic disease virus, designated RHDV2/b/GI.2, was first discovered in France in 2010. Subsequently, RHDV2 rapidly spread to Africa, North America, Australia, and Asia. RHDV2 outbreaks have resulted in significant economic losses in the global rabbit industry and disrupted the balance of natural ecosystems. Our study investigated the seasonal characteristics of RHDV2 outbreaks using seasonal indices. RHDV2 is prone to causing significant outbreaks within domestic and wild rabbit populations during the spring season and is more likely to induce outbreaks within wild rabbit populations during late autumn in the Southern Hemisphere...
March 26, 2024: Veterinary Research
https://read.qxmd.com/read/38532178/performance-of-intraoperative-neurocognitive-tests-during-awake-surgery-for-patients-with-diffuse-low-grade-glioma
#9
JOURNAL ARTICLE
Lucas Alverne F Albuquerque, Leonardo José Monteiro de Macêdo Filho, Felipe Silva Borges, Gabryella S Diógenes, Fátima C Pessoa, Cicera Jairlly Veras Rocha, João Paulo Almeida, Enrico Ghizoni, Andrei F Joaquim
Despite great advancements and the diffusion of awake surgery for brain tumors, the literature shows that the tests applied during the procedure are heterogeneous and non-standardized. This prospective, observational, descriptive study collected data on intraoperative brain mapping and the performance of multiple neurocognitive tests in 51 awake surgeries for diffuse low-grade glioma. Frequency of use and rate of intraoperative findings of different neurocognitive tests were analyzed. Patients mean age at the time of surgery was 35...
March 27, 2024: Neurosurgical Review
https://read.qxmd.com/read/38532172/simulating-cerebral-edema-and-ischemia-after-traumatic-acute-subdural-hematoma-using-triphasic-swelling-biomechanics
#10
JOURNAL ARTICLE
Andrew V Basilio, Delin Zeng, Leanne A Pichay, Gerard A Ateshian, Peng Xu, Steve A Maas, Barclay Morrison
Poor outcome following traumatic acute subdural hematoma (ASDH) is associated with the severity of the primary injury and secondary injury including cerebral edema and ischemia. However, the underlying secondary injury mechanism contributing to elevated intracranial pressure (ICP) and high mortality rate remains unclear. Cerebral edema occurs in response to the exposure of the intracellular fixed charge density (FCD) after cell death, causing ICP to increase. The increased ICP from swollen tissue compresses blood vessels in adjacent tissue, restricting blood flow and leading to ischemic damage...
March 26, 2024: Annals of Biomedical Engineering
https://read.qxmd.com/read/38531844/using-rare-genetic-mutations-to-revisit-structural-brain-asymmetry
#11
JOURNAL ARTICLE
Jakub Kopal, Kuldeep Kumar, Kimia Shafighi, Karin Saltoun, Claudia Modenato, Clara A Moreau, Guillaume Huguet, Martineau Jean-Louis, Charles-Olivier Martin, Zohra Saci, Nadine Younis, Elise Douard, Khadije Jizi, Alexis Beauchamp-Chatel, Leila Kushan, Ana I Silva, Marianne B M van den Bree, David E J Linden, Michael J Owen, Jeremy Hall, Sarah Lippé, Bogdan Draganski, Ida E Sønderby, Ole A Andreassen, David C Glahn, Paul M Thompson, Carrie E Bearden, Robert Zatorre, Sébastien Jacquemont, Danilo Bzdok
Asymmetry between the left and right hemisphere is a key feature of brain organization. Hemispheric functional specialization underlies some of the most advanced human-defining cognitive operations, such as articulated language, perspective taking, or rapid detection of facial cues. Yet, genetic investigations into brain asymmetry have mostly relied on common variants, which typically exert small effects on brain-related phenotypes. Here, we leverage rare genomic deletions and duplications to study how genetic alterations reverberate in human brain and behavior...
March 26, 2024: Nature Communications
https://read.qxmd.com/read/38531314/dendrochronology-large-datasets-help-explain-when-and-how-trees-grow-but-not-why
#12
JOURNAL ARTICLE
Paolo Cherubini
A meta-analysis of a large dataset of wood cell formation observations from several tree species in the Northern Hemisphere suggests that the 5th of June is favorable for cell division and enlargement, while the summer solstice promotes cell wall thickening.
March 25, 2024: Current Biology: CB
https://read.qxmd.com/read/38531161/functional-and-structural-effects-of-repetitive-transcranial-magnetic-stimulation-rtms-for-the-treatment-of-auditory-verbal-hallucinations-in-schizophrenia-a-systematic-review
#13
REVIEW
Dhvani D Mehta, Salsabil Siddiqui, Heather B Ward, Vaughn R Steele, Godfrey D Pearlson, Tony P George
BACKGROUND: Auditory verbal hallucinations (AVH) are a disabling symptom for people with schizophrenia (SCZ), and do not always respond to antipsychotics. Repetitive transcranial magnetic stimulation (rTMS) has shown efficacy for medication-refractory AVH, though the underlying neural mechanisms by which rTMS produces these effects remain unclear. This systematic review evaluated the structural and functional impact of rTMS for AVH in SCZ, and its association with clinical outcomes. METHODS: A systematic search was conducted in Medline, PsychINFO, and PubMed using terms for four key concepts: AVH, SCZ, rTMS, neuroimaging...
March 25, 2024: Schizophrenia Research
https://read.qxmd.com/read/38531081/impact-of-intraoperative-cortical-indocyanine-green-extravasation-on-local-vasogenic-edema-immediately-after-direct-revascularization-in-an-adult-with-moyamoya-disease-illustrative-case
#14
JOURNAL ARTICLE
Maeho Yamasaki, Masaki Ito, Haruto Uchino, Taku Sugiyama, Miki Fujimura
BACKGROUND: Local vasogenic edema induced after direct revascularization in moyamoya disease (MMD) is associated with blood-brain barrier dysfunction, potentially leading to postoperative cerebral hyperperfusion (CHP) or delayed intracerebral hemorrhage. This phenomenon allows the leakage of fluids, proteins, and other substances from the blood vessels into the extracellular compartment. Typically, such edema is observed postoperatively rather than intraoperatively. OBSERVATIONS: A 48-year-old female with ischemic-onset MMD underwent revascularization on her left hemisphere with Suzuki's angiographic stage III...
March 25, 2024: J Neurosurg Case Lessons
https://read.qxmd.com/read/38530120/lateralisation-of-nasal-cycle-is-not-reflected-in-the-olfactory-bulb-volumes-and-cerebral-activations
#15
JOURNAL ARTICLE
Divesh Thaploo, Akshita Joshi, Marie Thomas, Thomas Hummel
Nasal cycle (NC) is a rhythmic change of lateralised nasal airflow mediated by the autonomous nervous system. Previous studies reported the dependence of NC dominance or more patent side on handedness and hemispheric cerebral activity. We aimed to investigate firstly the possible lateralised effect of NC on olfactory bulb volume and secondly the association of NC with the lateralised cerebral dominance in terms of olfactory processing. Thirty-five subjects (22 women and 13 men, mean age 26 ± 3 years) participated in the study...
March 26, 2024: European Journal of Neuroscience
https://read.qxmd.com/read/38530093/effects-of-phytoncide-fragrance-on-resting-state-brain-activity-in-mild-cognitive-impairment-a-randomized-double-blind-controlled-study
#16
JOURNAL ARTICLE
Jiheon Kim, Seungchan Park, Hansol Kim, Daeyoung Roh, Do Hoon Kim
Introduction: The therapeutic potential of phytoncide fragrances may be optimal for patients with mild cognitive impairment (MCI) that display complex symptomatology. This study aimed to explore the clinical value of phytoncide by evaluating its electrophysiological effects in patients with MCI. Materials and Methods: This was a double-blind, randomized controlled trial. A total of 24 community-dwelling patients were randomly assigned to either a phytoncide or no-odor group. Participants wore a dental mask, for 30 min at rest that had either the fragrance stimulus or water added to it...
March 26, 2024: J Integr Complement Med
https://read.qxmd.com/read/38529896/evolution-of-the-ecological-niche-behind-the-largest-disjunct-freshwater-fish-distribution-in-the-world
#17
JOURNAL ARTICLE
Rodrigo Ramírez-Álvarez, Townsend A Peterson, Sergio Contreras, Konrad Górski
Ecological processes that are behind distributions of species that inhabit isolated localities, complex disjunct distributions, remain poorly understood. Traditionally, vicariance and dispersion have been proposed as explanatory mechanisms that drive such distributions. However, to date, our understanding of the ecological processes driving evolution of ecological niches associated with disjunct distributions remains rudimentary. Here, we propose a framework to deconstruct drivers of such distribution using World's most widespread freshwater fish Galaxias maculatus as a model and integrating marine and freshwater environments where its life cycle may occur...
March 26, 2024: Journal of Animal Ecology
https://read.qxmd.com/read/38529870/-experimental-study-of-the-influence-of-phenozanic-acid-and-its-combination-with-valproic-acid-on-the-development-of-the-epileptic-system
#18
JOURNAL ARTICLE
A A Yakovleva, S A Litvinova, N A Gladysheva, V V Radontseva, T A Voronina
OBJECTIVE: To study the effect of phenosanic acid (PA) and its combination with valproic acid (VA) on the development of the Epi system. MATERIAL AND METHODS: A model of focal chronic epilepsy in rats was created by applying metallic cobalt to the surface of the sensorimotor area of the cortex. Long-term electrodes were implanted in the sensorimotor cortex of the left and right hemispheres, the hippocampus, and the hypothalamus. The effect of PA (80 mg/kg) and its combination with VA (200 mg/kg) on discharge activity was carried out on the 2nd day and at the stage of generalization of the Epi system - on the 6th day...
2024: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://read.qxmd.com/read/38529447/the-anatomical-variation-of-the-distal-anterior-cerebral-artery-an-angiographic-study-in-a-greek-population-sample
#19
JOURNAL ARTICLE
Christos Chrissicopoulos, Georgios Mavrovounis, Maria Piagkou, George Triantafyllou, Nikolaos Nasis, George Stranjalis, Alexander Andreou, Theodosis Kalamatianos
Objective The current retrospective angiographic study establishes the rates of variants in the distal anterior cerebral artery (DACA) in a sample of the Greek population. Methods Data were collected from 456 patients who underwent two-dimensional (2D) or three-dimensional (3D) digital subtraction angiography (DSA) of the carotid and vertebral arteries bilaterally. The study focused on patients with good visualization of the anterior and posterior circulations and employed magnetic resonance (MR) or computed tomography (CT) angiography for 3D reconstruction...
February 2024: Curēus
https://read.qxmd.com/read/38529094/visual-vertical-neglect-in-acquired-brain-injury-a-systematic-review
#20
Pasquale Moretta, Nicola Davide Cavallo, Eleonora Fonzo, Antonio Maiorino, Cesario Ferrante, Pasquale Ambrosino, Cinzia Femiano, Gabriella Santangelo, Laura Marcuccio
Vertical neglect represents a visuospatial deficit occurring as a possible consequence of acquired brain injury (ABI). Differently from unilateral spatial neglect on horizontal space, vertical neglect is poorly studied in the literature and rarely assessed in clinical practice. In the available studies, the terms "radial," "vertical," and "altitudinal" neglect are often used interchangeably, although they do not describe the same spatial dimension. "Altitudinal" and "vertical" refer to the sagittal plane, whereas "radial" refers to the transverse plane...
2024: Frontiers in Psychology
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