Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar

Bugis, Alaa; Sheard, Meryl M; Fink, James B.; Harwood, Robert; Ari, Arzu

doi:10.4187/respcare.03449

Cited by 4 publications

(3 citation statements)

References 16 publications

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“…The effect of larger V T on aerosol deposition has been previously confirmed as a contributor to aerosol deposition, but only to a point. Once the reservoir (tracheostomy mask in the study by Diot et al 13 ) is depleted of aerosol with increasing V T , the amount of aerosol entering the airway is decreased in a linear fashion when air entrainment begins, 14 much like the effect of the Wright mask in the study by Bugis et al 1 Although the breathing pattern could not be altered with the simulator, the use of different V T values would have indicated where in the V T range aerosol deposition begins to decrease.…”

Section: See the Original Study On Page 1215 And 1220mentioning

confidence: 94%

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Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar

Blakeman

2015

Respir Care

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Section: See the Original Study On Page 1215 And 1220mentioning

confidence: 94%

“…In the study by Bugis et al, 1 only an 8-mm TT was used. Using different size TTs may affect the deposition rate using the Wright mask because a smaller TT would provide greater inspiratory resistance, allowing more of the available aerosol to enter the trachea via the upper airway.…”

Section: See the Original Study On Page 1215 And 1220mentioning

confidence: 99%

Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar

Blakeman

2015

Respir Care

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“…Similar to HFO therapy via nasal cannula, there have been a number of in-vitro studies that examined means of optimising aerosol therapy delivered through a tracheostomy tube. Nebuliser type and circuit arrangement were found to significantly affect aerosol delivery [ 10 , 23 , 24 , 25 , 26 , 27 ]. The use of VMN incorporated via T-pieces rather than tracheostomy collars was the recommended option.…”

Section: Introductionmentioning

confidence: 99%

Performance Characterisation of the Airvo2TM Nebuliser Adapter in Combination with the Aerogen SoloTM Vibrating Mesh Nebuliser for in Line Aerosol Therapy during High Flow Nasal Oxygen Therapy

MacLoughlin,

Mac Giolla Eain

2024

Pharmaceutics

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High flow oxygen (HFO) therapy is a well-established treatment in respiratory disease. Concurrent aerosol delivery can greatly expediate their recovery. The aim of this work was to complete a comprehensive characterisation of one such HFO therapy system, the Airvo2TM, used in combination with the Aerogen SoloTM vibrating mesh nebuliser. Representative adult, infant, and paediatric head models were connected to a breathing simulator via a collection filter placed at the level of the trachea. A tracheostomy interface and nasal cannulas were used to deliver the aerosol. Cannula size and gas flow rate were varied across the full operating range recommended by the manufacturer. The tracheal and emitted doses were quantified via UV-spectrophotometry. The aerosol droplet diameter at the exit of the nares and tracheal interface was measured via cascade impaction. High gas flow rates resulted in low emitted and tracheal doses (%). Nasal cannula size had no significant effect on the tracheal dose (%) available in infant and paediatric models. Higher gas flow rates resulted in smaller aerosol droplets at the exit of the nares and tracheostomy interface. Gas flow rate was found to be the primary parameter affecting aerosol delivery. Thus, gas flow rates should be kept low and where possible, delivered using larger nasal cannulas to maximise aerosol delivery.

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Inhalation therapy in patients with tracheostomy: a guide to clinicians

Ari

Fink

2017

Expert Review of Respiratory Medicine

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Inhalation therapy has become a popular procedure for the treatment of patients with tracheostomy. However, clinicians are faced with many challenges during inhalation therapy because of the many factors affecting aerosol therapy to this patient population, and the lack of literature providing guidance in this area of research. Areas covered: The purpose of this paper is to describe the factors affecting aerosol drug delivery to patients with tracheostomy and to explain how to optimize inhalation therapy through device selection, interface selection and delivery technique in this patient population. Expert commentary: Many factors affect inhalation therapy in this patient population and without understanding the impact of these factors on aerosol drug delivery, clinicians will not be able to provide the treatment properly and patients may not benefit from prescribed medications. In the next 5 years, aerosol medicine will continue to experience tremendous growth with new devices and drug/device combinations. However, these advances will have minimal impact on inhalation therapy in patients with tracheostomy unless we provide guidance and training to clinicians on optimizing aerosol drug delivery to this patient population.

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Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar

Cited by 4 publications

References 16 publications

Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar

Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar

Performance Characterisation of the Airvo2TM Nebuliser Adapter in Combination with the Aerogen SoloTM Vibrating Mesh Nebuliser for in Line Aerosol Therapy during High Flow Nasal Oxygen Therapy

Inhalation therapy in patients with tracheostomy: a guide to clinicians

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