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https://www.readbyqxmd.com/read/28100202/a-novel-reflex-cough-testing-device
#1
Kazunori Fujiwara, Katsuyuki Kawamoto, Yoko Shimizu, Takahiro Fukuhara, Satoshi Koyama, Hideyuki Kataoka, Hiroya Kitano, Hiromi Takeuchi
BACKGROUND: The reflex cough test is useful for detecting silent aspiration, a risk factor for aspiration pneumonia. However, assessing the risk of aspiration pneumonia requires measuring not only the cough reflex but also cough strength. Currently, no reflex cough testing device is available that can directly measure reflex cough strength. We therefore developed a new testing device that can easily and simultaneously measure cough strength and the time until the cough reflex, and verified whether screening with this new instrument is feasible for evaluating the risk of aspiration pneumonia...
January 18, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28096296/a-critical-asthma-standardized-clinical-and-management-plan-reduces-duration-of-critical-asthma-therapy
#2
Jackson Wong, Michael S D Agus, Dionne A Graham, Elliot Melendez
BACKGROUND AND OBJECTIVE: Reduction of critical asthma management time can reduce intensive care utilization. The goal of this study was to determine whether a Critical Asthma Standardized Clinical Assessment and Management Plan (SCAMP) can decrease length of critical asthma management time. METHODS: This retrospective study compared critical asthma management times in children managed before and after implementation of a Critical Asthma SCAMP. The SCAMP used an asthma severity score management scheme to guide stepwise escalation and weaning of therapies...
January 17, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28095080/missed-opportunities-to-transition-from-nebulizers-to-inhalers-during-hospitalization-for-acute-asthma-a-multi-center-observational-study
#3
Valerie G Press, Kohei Hasegawa, Jonathan Heidt, Jane C Bittner, Carlos A Camargo
OBJECTIVE: Hospitalizations for acute asthma are thought to be highly preventable through the use of efficacious medications, though many patients have poor metered-dose inhaler (MDI) technique, lessening these medications' real-world effectiveness. Teaching MDI technique during hospitalization may therefore lead to improved outcomes. However, MDIs may be underutilized to deliver short-acting β-agonists in the inpatient setting, despite equivalent efficacy to nebulizer delivery. We sought to characterize delivery methods of short-acting beta-agonist (SABA) therapy among hospitalized patients with acute asthma to understand if there are missed opportunities for self-management education...
January 17, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28081026/the-effect-of-nebulized-glycopyrrolate-on-posterior-drooling-in-patients-with-brain-injury-two-cases-of-different-brain-lesions
#4
Zee-Ihn Lee, Kwang Jae Yu, Dae Hee Lee, Seong Kyung Hong, Seung Beom Woo, Jong Min Kim, Donghwi Park
Posterior drooling, which can lead to substantial respiratory morbidity, including unexplained lung diseases and recurrent pneumonia, is an important issue in the rehabilitation unit. There are various treatment options for posterior drooling, including pharmacologic therapy, oral motor or behavioral therapy, biofeedback, local glandular injection of botulinum toxin, irradiation, and surgery. Among them, nebulized glycopyrrolate has the following advantages: It is noninvasive and is relatively free of central adverse effects because it does not cross the blood-brain barrier unlike other anticholinergics...
January 9, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28077074/single-and-multiple-viral-respiratory-infections-in-children-disease-and-management-cannot-be-related-to-a-specific-pathogen
#5
Jérôme O Wishaupt, Tjeerd van der Ploeg, Ronald de Groot, Florens G A Versteegh, Nico G Hartwig
BACKGROUND: The number of viral pathogens associated with pediatric acute respiratory tract infection (ARI) has grown since the introduction of reverse transcription real-time polymerase chain reaction (RT-PCR) assays. Multiple viruses are detected during a single ARI episode in approximately a quarter of all cases. The clinical relevance of these multiple detections is unclear, as is the role of the individual virus. We therefore investigated the correlation between clinical data and RT-PCR results in children with single- and multiple viral ARI...
January 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28075194/aerosol-drug-delivery-during-noninvasive-positive-pressure-ventilation-effects-of-intersubject-variability-and-excipient-enhanced-growth
#6
Ross L Walenga, P Worth Longest, Anubhav Kaviratna, Michael Hindle
BACKGROUND: Nebulized aerosol drug delivery during the administration of noninvasive positive pressure ventilation (NPPV) is commonly implemented. While studies have shown improved patient outcomes for this therapeutic approach, aerosol delivery efficiency is reported to be low with high variability in lung-deposited dose. Excipient enhanced growth (EEG) aerosol delivery is a newly proposed technique that may improve drug delivery efficiency and reduce intersubject aerosol delivery variability when coupled with NPPV...
January 11, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28073994/vibrating-mesh-nebulizer-compared-with-metered-dose-inhaler-in-mechanically-ventilated-subjects
#7
Meagan N Dubosky, Yi-Fan Chen, Mary E Henriksen, David L Vines
BACKGROUND: The impact of various aerosol delivery devices on patient outcomes during mechanical ventilation is unknown. If one method of delivery results in a higher ventilator-associated pneumonia (VAP) rate than another, multiple patient outcomes may be affected. This study aimed to determine whether there was a difference in VAP occurrence and patient outcomes (days receiving ventilation and in-hospital mortality) between the vibrating mesh nebulizer (AeroNeb Solo) and the metered-dose inhaler (MDI)...
January 10, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28068958/effects-of-ventilator-settings-nebulizer-and-exhalation-port-position-on-albuterol-delivery-during-non-invasive-ventilation-an-in-vitro-study
#8
Yuda Sutherasan, Lorenzo Ball, Pasquale Raimondo, Valentina Caratto, Elisa Sanguineti, Federico Costantino, Maurizio Ferretti, Robert M Kacmarek, Paolo Pelosi
BACKGROUND: Few studies have investigated the factors affecting aerosol delivery during non-invasive ventilation (NIV). Our aim was to investigate, using a bench-top model, the effect of different ventilator settings and positions of the exhalation port and nebulizer on the amount of albuterol delivered to a lung simulator. METHODS: A lung model simulating spontaneous breathing was connected to a single-limb NIV ventilator, set in bi-level positive airway pressure (BIPAP) with inspiratory/expiratory pressures of 10/5, 15/10, 15/5, and 20/10 cmH2O, or continuous positive airway pressure (CPAP) of 5 and 10 cmH2O...
January 10, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28067043/new-insights-into-an-old-problem-fluorescence-quenching-of-sterically-graded-pyrenes-by-tertiary-aliphatic-amines
#9
Michael J Bertocchi, Alankriti Bajpai, Jarugu N Moorthy, Richard G Weiss
Although the quenching of singlet-excited states of aromatic molecules by amines has been studied for several decades, important aspects of the mechanism(s) remain nebulous. To address some of the unknowns, steric, and electronic factors associated with the quenching of the singlet-excited states of three electronically related aromatic molecules, pyrene, 1,3,6,8-tetraphenylpyrene (TPPy), and 1,3,6,8-tetrakis(4-methoxy-2,6-dimethylphenyl)pyrene (PyOMe), by a wide range of tertiary aliphatic amines have been assessed quantitatively...
January 19, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28052587/pilot-study-of-dornase-alfa-pulmozyme-therapy-for-acquired-ventilator-associated-infection-in-preterm-infants
#10
Melissa Scala, Deborah Hoy, Maria Bautista, Judith Jones Palafoutas, Kabir Abubakar
OBJECTIVE: Evaluate the feasibility, safety, and efficacy of adjunctive treatment with dornase alfa in preterm patients with ventilator-associated pulmonary infection (VAPI) compared to standard care. WORKING HYPOTHESIS: We hypothesize that therapy with dornase alfa will be safe and well tolerated in the preterm population with no worsening of symptoms, oxygen requirement, or need for respiratory support. STUDY DESIGN: Prospective, randomized, blinded, pilot study comparing adjunctive treatment with dornase alfa to sham therapy...
January 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28049113/update-on-pediatric-overuse
#11
Eric R Coon, Paul C Young, Ricardo A Quinonez, Daniel J Morgan, Sanket S Dhruva, Alan R Schroeder
As concerns over health care-related harms and costs continue to mount, efforts to identify and combat medical overuse are needed. Although much of the recent attention has focused on health care for adults, children are also harmed by overuse. Using a structured PubMed search and manual tables of contents review, we identified important articles on pediatric overuse published in 2015. These articles were evaluated according to the quality of the methods, the magnitude of clinical effect, and the number of patients potentially affected and were categorized into overdiagnosis, overtreatment, and overutilization...
January 3, 2017: Pediatrics
https://www.readbyqxmd.com/read/28034735/hydrophilic-drug-encapsulation-in-shell-core-microcarriers-by-two-stage-polyelectrolyte-complexation-method
#12
Annalisa Dalmoro, Alexander Y Sitenkov, Sara Cascone, Gaetano Lamberti, Anna Angela Barba, Rouslan I Moustafine
In this study a protocol exploiting the combination of the ultrasonic atomization and the complexation between polyelectrolytes was developed to efficiently encapsulate a hydrophilic chemotherapeutic agent essentially used in the treatment of colon cancer, 5-fluorouracil, in enteric shell-core alginate-based microcarriers. The atomization assisted by ultrasound allowed to obtain small droplets by supplying low energy and avoiding drug degradation. In particular microcarriers were produced in a home-made apparatus where both the core (composed of alginate, drug, and Pluronic F127) and shell (composed of only alginate) feed were separately sent to the coaxial ultrasonic atomizer where they were nebulized and placed in contact with the complexation bulk...
December 26, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28030577/resistance-of-aerosolized-bacterial-viruses-to-four-germicidal-products
#13
Nathalie Turgeon, Kevin Michel, Thi-Lan Ha, Enric Robine, Sylvain Moineau, Caroline Duchaine
Viral diseases can spread through a variety of routes including aerosols. Yet, limited data are available on the efficacy of aerosolized chemicals to reduce viral loads in the air. Bacteriophages (phages) are often used as surrogates for hazardous viruses in aerosol studies because they are inexpensive, easy to handle, and safe for laboratory workers. Moreover, several of these bacterial viruses display physical characteristics similar to pathogenic human and animal viruses, like morphological size, type of nucleic acids, capsid morphology, and the presence of an envelope...
2016: PloS One
https://www.readbyqxmd.com/read/28028601/voluntary-inhalation-of-methamphetamine-a-novel-strategy-for-studying-intake-non-invasively
#14
C Juarez-Portilla, R D Kim, M Robotham, M Tariq, M Pitter, J LeSauter, R Silver
RATIONALE: The abuse of the psychostimulant methamphetamine (MA) is associated with substantial costs and limited treatment options. To understand the mechanisms that lead to abuse, animal models of voluntary drug intake are crucial. OBJECTIVES: We aimed to develop a protocol to study long-term non-invasive voluntary intake of MA in mice. METHODS: Mice were maintained in their home cages and allowed daily 1 h access to an attached tunnel leading to a test chamber in which nebulized MA was available...
December 27, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/28018152/evaluation-of-medication-related-self-care-skills-in-patients-with-cystic-fibrosis
#15
Kelsey Lackey Lewis, Barnabas John, Michelle Condren, Sandra M Carter
BACKGROUND: As the life expectancy of patients with cystic fibrosis (CF) increases, the focus on ensuring success with medication therapies is increasingly important. The ability of patients to autonomously manage medications and related therapies is poorly described in the literature. OBJECTIVE: The goal of this project was to assess the level of medication-related knowledge and self-care skills in patients with CF. METHODS: This project took place in a Cystic Fibrosis Foundation accredited affiliate center...
November 2016: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28011247/health-status-of-patients-with-moderate-to-severe-copd-after-treatment-with-nebulized-arformoterol-tartrate-or-placebo-for-1-year
#16
James F Donohue, Vaidyanathan Ganapathy, Vamsi Bollu, Michael D Stensland, Lauren M Nelson
PURPOSE: Chronic obstructive pulmonary disease (COPD) is a progressive disease that impairs both objectively measured lung function and patient-reported health status. In a randomized clinical trial of patients with moderate to severe COPD, we compared changes in health status after adding arformoterol tartrate or placebo to patients' treatment regimens. METHODS: In this multicenter, double-blind trial, patients were randomized to receive nebulized arformoterol 15 µg BID (n = 420) or matched placebo (n = 421)...
December 20, 2016: Clinical Therapeutics
https://www.readbyqxmd.com/read/28007545/platinum-pharmacokinetics-in-mice-following-inhalation-of-cisplatin-dry-powders-with-different-release-and-lung-retention-properties
#17
Vincent Levet, Romain Merlos, Rémi Rosière, Karim Amighi, Nathalie Wauthoz
Pharmacokinetics of cisplatin administered by the pulmonary route were established in mice using dry powders inhaler (DPI) formulations showing immediate (F1) and controlled release (CR, solid lipid microparticles) in vitro, without (F2) or with PEGylated excipients (F3, F4). Formulation administration was realized using dry powder blends (correspondingly named thereafter F1B to F4B) able to reproducibly deliver particles in vivo using a DP-4M Dry Powder Insufflator™. Their platinum pharmacokinetics were established over 48h in lungs, total blood and non-target organs vs...
December 19, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28003554/reliability-of-vibrating-mesh-technology
#18
Ashwin A Gowda, Ann D Cuccia, Gerald C Smaldone
BACKGROUND: For delivery of inhaled aerosols, vibrating mesh systems are more efficient than jet nebulizers are and do not require added gas flow. We assessed the reliability of a vibrating mesh nebulizer (Aerogen Solo, Aerogen Ltd, Galway Ireland) suitable for use in mechanical ventilation. METHODS: An initial observational study was performed with 6 nebulizers to determine run time and efficiency using normal saline and distilled water. Nebulizers were run until cessation of aerosol production was noted, with residual volume and run time recorded...
January 2017: Respiratory Care
https://www.readbyqxmd.com/read/27999750/reprogramming-the-lung-microenvironment-by-inhaled-immunotherapy-fosters-immune-destruction-of-tumor
#19
Valentino Le Noci, Michele Sommariva, Monica Tortoreto, Nadia Zaffaroni, Manuela Campiglio, Elda Tagliabue, Andrea Balsari, Lucia Sfondrini
Due to their constant exposure to inhaled antigens, lungs represent a particularly immunosuppressive environment that limits excessive immune responses; however, cancer cells can exploit this unique environment for their growth. We previously described the ability of aerosolized CpG-ODN combined with Poly(I:C) (TLR9 and TLR3 agonists, respectively) to promote antitumor immunity in a B16 melanoma lung metastasis model. Here, we explored the possibility of improving the therapeutic efficacy of TLR9/TLR3 agonist combinations by including in the inhalant either an antibody directed to both Ly6G and Ly6C markers to locally deplete myeloid-derived suppressive cells (MDSCs) or IFNα to directly activate the natural killer (NK) and macrophage innate immune cells in the lung...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27999558/an-embodied-approach-to-understanding-making-sense-of-the-world-through-simulated-bodily-activity
#20
REVIEW
Firat Soylu
Even though understanding is a very widely used concept, both colloquially and in scholarly work, its definition is nebulous and it is not well-studied as a psychological construct, compared to other psychological constructs like learning and memory. Studying understanding based on third-person (e.g., behavioral, neuroimaging) data alone presents unique challenges. Understanding refers to a first-person experience of making sense of an event or a conceptual domain, and therefore requires incorporation of multiple levels of study, at the first-person (phenomenological), behavioral, and neural levels...
2016: Frontiers in Psychology
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