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Tidal breathing pulmonary function after treatment in neonates with respiratory distress syndrome
JI Ling, MA Li-Ya, YANG Yun, HUANG Na-Na
Chinese Journal of Contemporary Pediatrics ›› 2016, Vol. 18 ›› Issue (8) : 694-697.
PDF(1194 KB)
PDF(1194 KB)
Tidal breathing pulmonary function after treatment in neonates with respiratory distress syndrome
Objective To investigate the pulmonary function after treatment in neonates with respiratory distress syndrome (RDS) at varying disease severity levels and different gestational ages. Methods A total of 107 neonates with RDS were divided into <34 weeks group (65 neonates), late preterm group (21 neonates), full-term group (21 neonates). Another 121 non-RDS children were enrolled as the control group. According to the severity of RDS, the RDS neonates were divided into mild RDS group (grades 1 and 2; 76 neonates), and severe RDS (grades 3 and 4; 21 neonates). The tidal breathing pulmonary function was measured at a corrected gestational age of 44weeks. Results The pulmonary function parameters showed no significant differences across the groups of RDS neonates of different gestational ages; the tidal volume per kilogram of body weight (VT/kg) showed no significant difference between the RDS and non-RDS groups, while the RDS group had significantly higher ratio of time to peak tidal expiratory flow to total expiratory time (tPTEF/tE) and ratio of volume to peak tidal expiratory flow to total expiratory volume (vPTEF/vE) than the non-RDS group of the same gestational age (P < 0.05). At a corrected gestational age of 44 weeks, the two groups of neonates with varying severity levels of RDS had significantly lower tPTEF/tE and vPTEF/vE than the control group (P < 0.05), and tPTEF/tE and vPTEF/vE tended to decrease with the increasing severity level of RDS. Conclusions Neonates with RDS have significantly decreased pulmonary function than those without RDS. At a corrected gestational age of 44 weeks, the tidal breathing pulmonary function in neonates with RDS is not associated with gestational age, but is associated with the severity of RDS.
Respiratory distress syndrome / Tidal breathing pulmonary function / Premature infant
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