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Original Article
Neonatology (Perinatology)
Effect of high-frequency oscillatory ventilation with intermittent sigh breaths on carbon dioxide levels in neonates
Kulthida Baingam, Anucha Thatrimontrichai, Manapat Praditaukrit, Gunlawadee Maneenil, Supaporn Dissaneevate
Clin Exp Pediatr. 2025;68(2):178-184.   Published online November 13, 2024
Question: Can sigh breaths (Sighs) application during high-frequency oscillatory ventilation (HFOV) decrease partial pressure of carbon dioxide (PaCO2) levels?
Finding: The mean PaCO2 level after Sighs during HFOV was significantly decreased compared to that after HFOV alone (mean difference, -3.6 mmHg).
Meaning: HFOV plus Sighs functionality can reduce PaCO2 levels. However, further studies are required to conclusively determine the effects of Sighs.


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