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High frequency oscillatory ventilation for respiratory failure due to RSV bronchiolitis

Published in Intensive Care Medicine. 2008, vol. 34, no. 9, p. 1698-702
Collection Open Access - Licence nationale Springer
Abstract OBJECTIVE: To describe the time course of high frequency oscillatory ventilation (HFOV) in respiratory syncytial virus (RSV) bronchiolitis. DESIGN: Retrospective charts review. SETTING: A tertiary paediatric intensive care unit. PATIENTS AND PARTICIPANTS: Infants with respiratory failure due to RSV infection. INTERVENTION: HFOV. MEASUREMENTS AND RESULTS: Pattern of lung disease, ventilatory settings, blood gases, infant's vital parameters, sedation and analgesia during the periods of conventional mechanical ventilation (CMV, 6 infants), after initiation of HFOV (HFOVi, 9 infants), in the middle of its course (HFOVm), at the end (HFOVe) and after extubation (Post-Extub) were compared. All infants showed a predominant overexpanded lung pattern. Mean airway pressure was raised from a mean (SD) 12.5 (2.0) during CMV to 18.9 (2.7) cmH(2)O during HFOVi (P < 0.05), then decreased to 11.1(1.3) at HFOVe (P < 0.05). Mean FiO(2) was reduced from 0.68 (0.18) (CMV) to 0.59 (0.14) (HFOVi) then to 0.29 (0.06) (P < 0.05) at HFOVe and mean peak to peak pressure from 44.9 (12.4) cmH(2)O (HFOVi) to 21.1 (7.7) P < 0.05 (HFOVe) while mean (SD) PaCO(2) showed a trend to decrease from 72 (22) (CMV) to 47 (8) mmHg (HFVOe) and mean infants respiratory rate a trend to increase from 20 (11) (HFOVi) to 34 (14) (HFOVe) breaths/min. With usual doses of sedatives and opiates, no infant was paralysed and all were extubated to CPAP or supplemental oxygen after a mean of 120 h. CONCLUSION: RSV induced respiratory failure with hypercapnia can be managed with HFOV using high mean airway pressure and large pressure swings while preserving spontaneous breathing.
Keywords Blood PressureBronchiolitis, Viral/therapyHigh-Frequency Ventilation/methodsHumansInfantInfant, NewbornIntensive Care Units, PediatricMedical RecordsRespiratory Syncytial Virus Infections/therapyRespiratory Syncytial Virus, HumanRetrospective Studies
PMID: 18500423
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Research groups Maladies pulmonaires aigues et pathologies cardiaques congénitales (697)
Radiologie neuro-diagnostique et neuro-interventionnelle en pédiatrie (842)
(ISO format)
BERNER, Michel, HANQUINET, Sylviane, RIMENSBERGER, Peter. High frequency oscillatory ventilation for respiratory failure due to RSV bronchiolitis. In: Intensive Care Medicine, 2008, vol. 34, n° 9, p. 1698-702. https://archive-ouverte.unige.ch/unige:1118

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Deposited on : 2009-03-09

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