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Wet deposition of atmospheric Hg in a typical inland city in North China: Sources, influencing factors, and health risk assessment.
Environ Pollut
January 2025
College of Meteorology and Oceanography, National University of Defense Technology, Changsha 410073, China.
Understanding the composition of mercury (Hg) in the atmosphere is important for confirming its sources and to preventing and reduce the production. To explore the morphological distribution characteristics of wet Hg concentrations in Xi'an Shaanxi Province, China, total Hg (THg), dissolved Hg (DTHg), reactive Hg (RTHg) and particulate-bound Hg (PTHg) (Hg insoluble in water) were measured at 72 precipitation in Xi'an from September 2020 to July 2022, and their average concentrations were 3.035 ± 3.
View Article and Find Full Text PDFDevelopment of CPAP Overlay Interfaces for Efficient Administration of Aerosol Surfactant Therapy to Preterm Infants.
AAPS PharmSciTech
January 2025
Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, VA, United States of America.
The administration of surfactant aerosol therapy to preterm infants receiving continuous positive airway pressure (CPAP) respiratory support is highly challenging due to small flow passages, relatively high ventilation flow rates, rapid breathing and small inhalation volumes. To overcome these challenges, the objective of this study was to implement a validated computational fluid dynamics (CFD) model and develop an overlay nasal prong interface design for use with CPAP respiratory support that enables high efficiency powder aerosol delivery to the lungs of preterm infants when needed (i.e.
View Article and Find Full Text PDFFactors associated with knowledge and practice regarding oxygen administration: A cross-sectional study among registered nurses working in wards and ICUs at Muhimbili National Hospital in Dar es Salaam, Tanzania.
PLoS One
January 2025
Clinical Nursing Department, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania.
Background: Oxygen is a vital therapy approved by WHO, crucial for critically ill patients as a supplemental treatment. Nurses' pivotal role in oxygen administration is poorly understood. This study aimed to assess factors associated with oxygen administration to critically ill patients among nurses at Muhimbili National Hospital (MNH) in Dar es Salaam, Tanzania.
View Article and Find Full Text PDFPolysomnographic features of hypoglossal nerve stimulation efficacy: Looking deeper than the apnea-hypopnea index.
Laryngoscope Investig Otolaryngol
February 2025
Objectives: Hypoglossal nerve stimulation (HGNS) is a promising surgical option for patients with obstructive sleep apnea (OSA) who are intolerant of continuous positive airway pressure therapy (CPAP). Efficacy studies for HGNS stimulation largely focus on the apnea-hypopnea index and/or oxygen desaturation index. This study's objective was to show the physiological effects of HGNS stimulation on upper airway patency, airflow, and treatment effect during polysomnography (PSG) testing.
View Article and Find Full Text PDFMarijuana Poisoning in Canines in the Aburrá Valley (Antioquia-Colombia), 2023-2024.
Vet Med Int
January 2025
Group of Veterinary Investigation GIVET, Program of Veterinary Medicine, Lasallian University Corporation, Bogotá, Colombia.
Marijuana poisoning in canines is still considered a taboo topic. Poisoning in pets is becoming increasingly common, in many cases resulting in severe clinical signs, such as ataxia, urinary incontinence, mydriasis, depression, and hyperesthesia. Colombia does not have any reliable test for the diagnosis of exposure to cannabis in animals, and it is not an obligation to report this kind of poisoning to the authorities.
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