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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10898464 | PMC |
| http://dx.doi.org/10.4187/respcare.11811 | DOI Listing |
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Experimental Full-volume Airway Approximation for Assessing Breath-dependent Regional Aerosol Deposition.
Device
December 2024
Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716.
Modeling aerosol dynamics in the airways is challenging, and most modern personalized tools consider only a single inhalation maneuver through less than 10% of the total lung volume. Here, we present an modeling pipeline to produce a device that preserves patient-specific upper airways while approximating deeper airways, capable of achieving total lung volumes over 7 liters. The modular system, called TIDAL, includes tunable inhalation and exhalation breathing capabilities with resting flow rates up to 30 liters per minute.
View Article and Find Full Text PDFJet versus vibrating mesh nebulizer for tobramycin aerosol in spontaneously breathing children with tracheostomies - a simulation study.
Anaesth Crit Care Pain Med
December 2024
Perioperative Care Program, Perioperative Medicine Team, Telethon Kids Institute, Northern Entrance, Perth Children's Hospital, 15 Hospital Ave, Nedlands WA 6009, Perth, Australia; Division of Emergency Medicine, Anaesthesia and Pain Medicine, Medical School, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Perth, Australia; School of Human Sciences, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Perth, Australia; Institute for Paediatric Perioperative Excellence, The University of Western Australia, 35 Stirling Hwy, Crawley WA 6009, Perth, Australia; Department of Anaesthesia and Pain Medicine, Perth Children's Hospital, 15 Hospital Ave, Nedlands WA 6009, Perth, Australia. Electronic address:
Article Synopsis
- Tracheostomy tubes increase the risk of respiratory infections, and initial treatment often involves nebulized tobramycin, but there’s a lack of standardized treatment guidelines.
- A study used a breathing simulator to test how much tobramycin reaches simulated children with tracheostomies, comparing delivery methods and doses for different child weights.
- Results showed that jet nebulizers delivered significantly more tobramycin than vibrating mesh nebulizers, highlighting the need for better dosing strategies and further research on drug delivery efficiency and higher dosages for this patient group.
Comparison of Inspiration-Synchronized and Continuous Vibrating Mesh Nebulizer During Adult Invasive Mechanical Ventilation.
J Aerosol Med Pulm Drug Deliv
December 2024
Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University, Chicago, Illinois, USA.
Aerosol delivery may be enhanced by utilizing an inspiration-synchronized nebulization mode, where nebulization occurs only during inspiration. This study aimed to compare aerosol delivery of albuterol via a prototype of an inspiration-synchronized vibrating mesh nebulizer (VMN) versus continuous VMN during invasive mechanical ventilation. A critical care ventilator equipped with a heated-wire circuit to deliver adult parameters was attached to an endotracheal tube (ETT), a collection filter, and a test lung.
View Article and Find Full Text PDFEvaluating the Efficacy of Inhaled Colistin via Two Nebulizer Types in Ventilator-Associated Pneumonia: Prospective Randomized Trial.
Antibiotics (Basel)
November 2024
Division of Pulmonary and Critical Care Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan 33342, Taiwan.
Article Synopsis
- A study tested the effectiveness of inhaled colistin in treating ventilator-associated pneumonia caused by resistant bacteria, using two types of nebulizers: a vibrating mesh nebulizer (VMN) and a jet nebulizer (JN).
- Patients receiving intravenous (IV) colistin inhalation were randomly assigned to either nebulizer type and compared to a control group receiving IV only over a period of 7 to 10 days, with a focus on clinical improvement.
- While VMN delivered a higher dose of colistin in lab tests, both nebulizers showed similar clinical outcomes in patients, showing significant benefits over the IV-only group.
Efficacy of a prototype inspiratory-synchronized small particle versus conventional vibrating mesh nebulizer during pediatric and neonatal mechanical ventilation.
Pediatr Pulmonol
November 2024
Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University, Chicago, Illinois, USA.
Background: An inspiration-synchronized vibrating mesh nebulizer (VMN) has been reported to improve aerosol delivery during adult mechanical ventilation. A prototype VMN generating smaller particles was developed. We aimed to compare the aerosol delivery efficiency of small-particle and conventional VMNs in inspiration-synchronized and continuous modes during neonatal and pediatric mechanical ventilation.
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