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A comparative study of two ventilation modes in the weaning phase of preterm infants with respiratory distress syndrome
LIU Wen-Qiang, XU Yan, HAN Ai-Min, MENG Ling-Jian, WANG Jun
Chinese Journal of Contemporary Pediatrics ›› 2018, Vol. 20 ›› Issue (9) : 729-733.
PDF(1157 KB)
PDF(1157 KB)
A comparative study of two ventilation modes in the weaning phase of preterm infants with respiratory distress syndrome
Objective To compare the efficacy between synchronized intermittent mandatory ventilation (SIMV) and pressure support ventilation with volume guarantee (PSV+VG) in the weaning phase of preterm infants with respiratory distress syndrome (RDS). Methods Forty preterm infants with RDS who were admitted to the neonatal intensive care unit between March 2016 and May 2017 were enrolled as subjects. All infants were born at less than 32 weeks' gestation and received mechanical ventilation. These patients were randomly and equally divided into SIMV group and PSV+VG group in the weaning phase. Ventilator parameters, arterial blood gas, weaning duration (from onset of weaning to extubation), duration of nasal continuous positive airway pressure (NCPAP) after extubation, extubation failure rate, the incidence rates of pneumothorax, patent ductus arteriosus (PDA) and bronchopulmonary dysplasia (BPD), and the mortality rate were compared between the two groups. Results The PSV+VG group had significantly decreased mean airway pressure, weaning duration, duration of NCPAP after extubation, and extubation failure rate compared with the SIMV group (P < 0.05). There were no significant differences in arterial blood gas, mortality, or incidence rates of pneumothorax, PDA and BPD between the two groups (P > 0.05). Conclusions For preterm infants with RDS, the PSV+VG mode may be a relatively safe and effective mode in the weaning phase. However, multi-center clinical trials with large sample sizes are needed to confirm the conclusion.
Mechanical ventilation / Respiratory distress syndrome / Pressure support ventilation / Volume guarantee ventilation / Synchronized intermittent mandatory ventilation / Preterm infant
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