Results 31 to 40 of about 256,638 (238)

Arterial Spin‐Labeling MRI at the Cortical‐CSF Interface: A Novel Biomarker in Alzheimer Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background/Objective Arterial spin‐labeling (ASL) MRI can measure perfusion signal adjacent to CSF spaces and may provide information regarding CSF‐adjacent water transport physiology. We developed an automated pipeline to extract cortical‐CSF interface (IF) perfusion for comparison between Alzheimer disease (AD) and cognitively normal ...
Mona Asghariahmadabad, Pouya Metanat, Michael Thomas, Luke W. Bonham, Tyson Lam, Mehmet Kurt, Hong Nguyen, Tara Ellingson, Mauro Zucchelli, Stefano Casagranda, Quin Lu, Andreas M. Rauschecker, Leo Sugrue, Luis E. Savastano, Christopher P. Hess, Kamalini Ranasinghe, S. Andrew Josephson, Bruce L. Miller, Jennifer S. Yokoyama, Gil D. Rabinovici, Peter A. Ljubenkov, Lawren VandeVrede, Kambiz Nael   +22 more
wiley   +1 more source

Erosión mecánica (tillage erosion) vs. erosión hídrica

, 2005
© Raimundo Jiménez Ballesta y Ana María Álvarez González.La redistribución del suelo por arrastre mecánico durante las operaciones agrícolas de laboreo ha sido reconocido como un proceso per se de intensa degradación del suelo.
Alba Alonso, Saturnino De, Van Oost, K.
core   +1 more source

Efectos de la retirada de bermas vegetales de Posidonia oceanica sobre playas de las islas Baleares: consecuencias de la presión turística

Investigaciones Geográficas, 2012
Se ha analizado el comportamiento del perfil de una playa natural con acumulación de hojas muertas de Posidonia oceanica (berma vegetal) ante la actuación de maquinaria de limpieza.
Francesc Xavier Roig i Munar, José Ángel Martín Prieto   +1 more
doaj   +1 more source

Diffusion Basis Spectrum Imaging of Tissue Microstructure and Early Treatment in Multiple Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Conventional MRI cannot resolve the coexisting pathological processes within multiple sclerosis tissue. Diffusion Basis Spectrum Imaging decomposes the diffusion signal into fiber, cell, and hindered ratios indexing axonal integrity, cellularity, and extracellular space, respectively.
Apisit Kaewsanit, Aime Luna, Bradley Judge, Nicole Shelley, Karl Friedrichsen, Jayashree Rajamanickam, Zhude Tu, Yong Wang, Tammie L. S. Benzinger, Qing Wang, Matthew R. Brier   +10 more
wiley   +1 more source

Las parcelas integrales una alternativa de sostenibilidad para la zona cafetera

Biotecnología en el Sector Agropecuario y Agroindustrial, 2005
La zona cafetera colombiana históricamente ha desarrollado sus cultivos en suelos derivados de cenizas volcánicas, en pendientes fuertes de longitu- des cortas, donde predominan lluvias de alta densidad con tecnología de monocultivo, sin cultivos ...
Noe Alban Lopez, Fabio Alonso Prado Cerón   +1 more
doaj  

Health Care Use Among Patients Presenting to Emergency Department for Gout Flares in Ontario, Canada: A Population‐Based Health Systems Analysis

Arthritis Care &Research, EarlyView.
Objective We characterized emergency department (ED) gout visits and identified patient characteristics and health services patterns contributing to ED presentations. Methods We conducted a population‐based study of ED gout visits in Ontario, Canada, between 2014 and 2023.
Timothy S. H. Kwok, Samantha Morais, William K. Silverstein, Clare L. Atzema, Gregory Choy, Priyanka Chandratre, Ping Li, Jessica Widdifield   +7 more
wiley   +1 more source

Contribución al estudio integral de las laderas del Valle, serie: comunidad vegetal sobre suelos erosionados

Acta Agronómica, 1989
Se llevó a cabo el inventario florístico en áreas críticas de erosión establecidas según estudios realizados por la Corporación Autónoma Regional del Cauca (CVC), en la vertiente oriental de la Cordillera Occidental, asociaciones de suelos: Dagua ...
Escobar Eugenio, Malvehi Ana E., Rebolledo Andrés   +2 more
doaj  

Pérdida de ecosistemas forestales en dos subcuencas del estado de Oaxaca, México, por el incremento de plantaciones de Agave

Acta Botanica Mexicana
Antecedentes y Objetivos: En las últimas dos décadas, en el estado de Oaxaca, México, se ha incrementado el cambio de uso del suelo para la agricultura, ganadería y el establecimiento de plantaciones de Agave para la producción de mezcal. En la presente
Rufino Sandoval García, Celestino Sandoval García, Carmela Sandoval García, Pablo Marroquín Morales   +3 more
doaj   +1 more source

Short‐Term Response to Biologic Therapy in Psoriatic Arthritis Is Not Influenced by Disease Duration at Initiation of Therapy

Arthritis Care &Research, EarlyView.
Objective We aimed to determine whether the short‐term response to biologics in biologic‐naive psoriatic arthritis (PsA) is better in patients initiating biologic treatment early in the disease course. Methods Patients with PsA who started on biologic therapy from the year 2000 to 2025 were included for analysis.
Sung Min Cho, Shangyi Gao, Daniel Pereira, Richard J. Cook, Dafna D. Gladman   +4 more
wiley   +1 more source

Estimating the Prevalence and Incidence of Symptomatic Hand Osteoarthritis in the Netherlands Using Primary Care Electronic Health Records

Arthritis Care &Research, EarlyView.
Objective Estimating the incidence and prevalence of symptomatic hand osteoarthritis (OA) in the Dutch population using a validated algorithm that integrates free‐text data from primary care electronic health records (EHRs). Methods This retrospective cohort study used the Integrated Primary Care Information database, including EHRs from approximately ...
Onur Kaya, Jacoline van den Driest, Laura Struik, Margreet Kloppenburg, Ruud Selles, Daniel Prieto Alhambra, Sita Bierma‐Zeinstra, Dieuwke Schiphof   +7 more
wiley   +1 more source