In silico numerical simulation of ventilator settings during high-frequency ventilation in preterm infants.
    
    
        
    
    
        
        Pediatr. Pulmonol., DOI: 10.1002/ppul.25626 (2021)
    
    
    
		
		
			
				Objective: Despite the routine use of antenatal steroids, exogenous surfactants, and different noninvasive ventilation methods, many extremely low gestational age neonates, preterm, and term infants eventually require invasive ventilation. In addition to prematurity, mechanical ventilation itself can induce ventilator-induced lung injury leading to lifelong pulmonary sequelae. Besides conventional mechanical ventilation, high-frequency oscillatory ventilation (HFOV) with tidal volumes below dead space and high ventilation frequencies is used either as a primary or rescue therapy in severe neonatal respiratory failure. Methods and Results: Applying a high-resolution computational lung modeling technique in a preterm infant, we studied three different high-frequency ventilation settings as well as conventional ventilation (CV) settings. Evaluating the computed oxygen delivery (OD) and lung mechanics (LM) we outline for the first time how changing ventilator settings from CV to HFOV lead to significant improvements in OD and LM. Conclusion: This personalized “digital twin” strategy advances our general knowledge of protective ventilation strategies in neonatal care and can support decisions on various modes of ventilatory therapy at high frequencies.
			
			
				
			
		 
		
			
				
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
    
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        Schlagwörter
        Bronchopulmonary Dysplasia ; High-frequency Oscillatory Ventilation ; Mechanical Ventilation ; Numeric Simulation ; Preterm Infant; Chronic Lung-disease; Oscillatory Ventilation; Gas-transport; Pressure; Prevention
    
 
    
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        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2021
    
 
    
        Prepublished im Jahr 
        
    
 
    
        HGF-Berichtsjahr
        2021
    
 
    
    
        ISSN (print) / ISBN
        8755-6863
    
 
    
        e-ISSN
        1099-0496
    
 
    
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            Verlag
            Wiley
        
 
        
            Verlagsort
            111 River St, Hoboken 07030-5774, Nj Usa
        
 
	
        
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        Peer reviewed
    
 
     
    
        POF Topic(s)
        30202 - Environmental Health
    
 
    
        Forschungsfeld(er)
        Lung Research
    
 
    
        PSP-Element(e)
        G-552100-001
    
 
    
        Förderungen
        Bundesministerium für Wissenschaft und Forschung
    
 
    
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        Erfassungsdatum
        2021-09-22