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Li J, Liu K, Lyu S, Jing G, Dai B, Dhand R, Lin HL, Pelosi P, Berlinski A, Rello J, Torres A, Luyt CE, Michotte JB, Lu Q, Reychler G, Vecellio L, de Andrade AD, Rouby JJ, Fink JB, Ehrmann S. Aerosol therapy in adult critically ill patients: a consensus statement regarding aerosol administration strategies during various modes of respiratory support. Ann Intensive Care 2023; 13:63. [PMID: 37436585 DOI: 10.1186/s13613-023-01147-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 05/31/2023] [Indexed: 07/13/2023] Open
Abstract
BACKGROUND Clinical practice of aerosol delivery in conjunction with respiratory support devices for critically ill adult patients remains a topic of controversy due to the complexity of the clinical scenarios and limited clinical evidence. OBJECTIVES To reach a consensus for guiding the clinical practice of aerosol delivery in patients receiving respiratory support (invasive and noninvasive) and identifying areas for future research. METHODS A modified Delphi method was adopted to achieve a consensus on technical aspects of aerosol delivery for adult critically ill patients receiving various forms of respiratory support, including mechanical ventilation, noninvasive ventilation, and high-flow nasal cannula. A thorough search and review of the literature were conducted, and 17 international participants with considerable research involvement and publications on aerosol therapy, comprised a multi-professional panel that evaluated the evidence, reviewed, revised, and voted on recommendations to establish this consensus. RESULTS We present a comprehensive document with 20 statements, reviewing the evidence, efficacy, and safety of delivering inhaled agents to adults needing respiratory support, and providing guidance for healthcare workers. Most recommendations were based on in-vitro or experimental studies (low-level evidence), emphasizing the need for randomized clinical trials. The panel reached a consensus after 3 rounds anonymous questionnaires and 2 online meetings. CONCLUSIONS We offer a multinational expert consensus that provides guidance on the optimal aerosol delivery techniques for patients receiving respiratory support in various real-world clinical scenarios.
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Affiliation(s)
- Jie Li
- Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University, 600 S Paulina St, Suite 765, Chicago, IL, 60612, USA.
| | - Kai Liu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shan Lyu
- Critical Care Medicine, Peking University People's Hospital, Beijing, China
| | - Guoqiang Jing
- Department of Critical Care Medicine, Binzhou Medical University Hospital, Binzhou, China
| | - Bing Dai
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Rajiv Dhand
- Department of Medicine, University of Tennessee Graduate School of Medicine, Knoxville, TN, USA
| | - Hui-Ling Lin
- Department of Respiratory Therapy, Chang Gung University, Taoyuan, Taiwan
| | - Paolo Pelosi
- Anesthesiology and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Ariel Berlinski
- Pulmonary and Sleep Medicine Division, Department of Pediatrics, University of Arkansas for Medical Sciences, and Pediatric Aerosol Research Laboratory at Arkansas Children's Research Institute, Little Rock, AR, USA
| | - Jordi Rello
- Clinical Research/Epidemiology in Pneumonia and Sepsis (CRIPS), Vall d'Hebron Institute of Research (VHIR), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
- Clinical Research in the ICU, Anaesthesia Department, CHU Nimes, Université de Nimes-Montpellier, Nimes, France
| | - Antoni Torres
- Servei de Pneumologia, Hospital Clinic, University of Barcelona, IDIBAPS CIBERES, Icrea, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Charles-Edouard Luyt
- Médecine Intensive Réanimation, Institut de Cardiologie, Groupe Hospitalier Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Sorbonne-Université, and INSERM, UMRS_1166-ICAN Institute of Cardiometabolism and Nutrition, Paris, France
| | - Jean-Bernard Michotte
- School of Health Sciences (HESAV), HES-SO University of Applied Sciences and Arts of Western Switzerland, Lausanne, Switzerland
| | - Qin Lu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang Province Clinical Research Center for Emergency and Critical Care Medicine, and Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Gregory Reychler
- Secteur de Kinésithérapie et Ergothérapie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Service de Pneumologie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL and Dermatologie, Université Catholique de Louvain, Brussels, Belgium
| | | | | | - Jean-Jacques Rouby
- Research Department DMU DREAM and Multidisciplinary Intensive Care Unit, Department of Anesthesiology and Critical Care, La Pitié-Salpêtrière Hospital, Sorbonne University of Paris, Paris, France
| | - James B Fink
- Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University, 600 S Paulina St, Suite 765, Chicago, IL, 60612, USA
- Chief Science Officer, Aerogen Pharma Corp, San Mateo, CA, USA
| | - Stephan Ehrmann
- CHRU Tours, Médecine Intensive Réanimation, CIC INSERM 1415, CRICS-TriggerSep F-CRIN Research Network, and INSERM, Centre d'étude des Pathologies Respiratoires, U1100, Université de Tours, Tours, France
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Lin HL, Fink JB, Ge H. Aerosol delivery via invasive ventilation: a narrative review. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:588. [PMID: 33987286 DOI: 10.21037/atm-20-5665] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In comparison with spontaneously breathing non-intubated subjects, intubated, mechanically ventilated patients encounter various challenges, barriers, and opportunities in receiving medical aerosols. Since the introduction of mechanical ventilation as a part of modern critical care medicine during the middle of the last century, aerosolized drug delivery by jet nebulizers has become a common practice. However, early evidence suggested that aerosol generators differed in their efficacies, and the introduction of newer aerosol technology (metered dose inhalers, ultrasonic nebulizer, vibrating mesh nebulizers, and soft moist inhaler) into the ventilator circuit opened up the possibility of optimizing inhaled aerosol delivery during mechanical ventilation that could meet or exceed the delivery of the same aerosols in spontaneously breathing patients. This narrative review will catalogue the primary variables associated with this process and provide evidence to guide optimal aerosol delivery and dosing during mechanical ventilation. While gaps exist in relation to the appropriate aerosol drug dose, discrepancies in practice, and cost-effectiveness of the administered aerosol drugs, we also present areas for future research and practice. Clinical practice should expand to incorporate these techniques to improve the consistency of drug delivery and provide safer and more effective care for patients.
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Affiliation(s)
- Hui-Ling Lin
- Department of Respiratory Therapy, Chang Gung University, Taoyuan.,Department of Respiratory Care, Chang Gung University of Science and Technology, Chiayi.,Department of Respiratory Therapy, Chiayi Chang Gung Memorial Hospital, Chiayi
| | - James B Fink
- Division of Respiratory Care, Rush University Medical Center, Chicago, IL, USA.,Aerogen Pharma Corp., San Mateo, California, USA
| | - Huiqing Ge
- Department of Respiratory Care, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Lung Pharmacokinetics of Tobramycin by Intravenous and Nebulized Dosing in a Mechanically Ventilated Healthy Ovine Model. Anesthesiology 2019; 131:344-355. [PMID: 31107274 DOI: 10.1097/aln.0000000000002752] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Nebulized antibiotics may be used to treat ventilator-associated pneumonia. In previous pharmacokinetic studies, lung interstitial space fluid concentrations have never been reported. The aim of the study was to compare intravenous and nebulized tobramycin concentrations in the lung interstitial space fluid, epithelial lining fluid, and plasma in mechanically ventilated sheep with healthy lungs. METHODS Ten anesthetized and mechanically ventilated healthy ewes underwent surgical insertion of microdialysis catheters in upper and lower lobes of both lungs and the jugular vein. Five ewes were given intravenous tobramycin 400 mg, and five were given nebulized tobramycin 400 mg. Microdialysis samples were collected every 20 min for 8 h. Bronchoalveolar lavage was performed at 1 and 6 h. RESULTS The peak lung interstitial space fluid concentrations were lower with intravenous tobramycin 20.2 mg/l (interquartile range, 12 mg/l, 26.2 mg/l) versus the nebulized route 48.3 mg/l (interquartile range, 8.7 mg/l, 513 mg/l), P = 0.002. For nebulized tobramycin, the median epithelial lining fluid concentrations were higher than the interstitial space fluid concentrations at 1 h (1,637; interquartile range, 650, 1,781, vs. 16 mg/l, interquartile range, 7, 86, P < 0.001) and 6 h (48, interquartile range, 17, 93, vs. 4 mg/l, interquartile range, 2, 9, P < 0.001). For intravenous tobramycin, the median epithelial lining fluid concentrations were lower than the interstitial space fluid concentrations at 1 h (0.19, interquartile range, 0.11, 0.31, vs. 18.5 mg/l, interquartile range, 9.8, 23.4, P < 0.001) and 6 h (0.34, interquartile range, 0.2, 0.48, vs. 3.2 mg/l, interquartile range, 0.9, 4.4, P < 0.001). CONCLUSIONS Compared with intravenous tobramycin, nebulized tobramycin achieved higher lung interstitial fluid and epithelial lining fluid concentrations without increasing systemic concentrations.
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Huang Z, Huang Y, Ma C, Ma X, Zhang X, Lin L, Zhao Z, Pan X, Wu C. Endotracheal Aerosolization Device for Laboratory Investigation of Pulmonary Delivery of Nanoparticle Suspensions: In Vitro and in Vivo Validation. Mol Pharm 2018; 15:5521-5533. [PMID: 30252486 DOI: 10.1021/acs.molpharmaceut.8b00668] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The objective of this study was to perform the in vitro and in vivo validation of an endotracheal aerosolization (ETA) device (HRH MAG-4, HM). Solid lipid nanoparticle suspension (SLNS) formulations with particle sizes of approximately 120, 240, 360, and 480 nm were selected as model nanoparticle suspensions for the validation. The emission rate (ER) of the in vitro aerosolization and the influence of aerosolization on the physicochemical properties were investigated. A high ER of up to 90% was obtained, and no significant alterations in physicochemical properties were observed after the aerosolization. The pulmonary deposition of model drug budesonide in Sprague-Dawley rats was determined to be approximately 80%, which was satisfactory for pulmonary delivery. Additionally, a fluorescent probe with aggregation-caused quenching property was encapsulated in SLNS formulations for in vivo bioimaging, after excluding the effect of aerosolization on its fluorescence spectrum. It was verified that SLNS formulations were deposited in the lung region. The results demonstrated the feasibility and reliability of the HM device for ETA in laboratory investigation.
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Affiliation(s)
- Zhengwei Huang
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
| | - Ying Huang
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
| | - Cheng Ma
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
| | - Xiangyu Ma
- College of Pharmacy , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Xuejuan Zhang
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China.,Institute for Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou 510006 , P.R. China
| | - Ling Lin
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
| | - Ziyu Zhao
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
| | - Xin Pan
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
| | - Chuanbin Wu
- School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , 510006 Guangdong , P. R. China
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