Effects of a respiratory function indicator light on visual attention and ventilation quality during neonatal
Yasuhisa Ikuta1, Fumihiko Takatori2, Shoichiro Amari1
1Division of Neonatology, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, 13611 National Center for Child Health and Development , Setagaya-ku, Tokyo, Japan.
Objectives:
To investigate the effectiveness of placing an indicator light indicating inadequate ventilation near the face mask during positive-pressure ventilation with respiratory function monitors (RFMs) in neonatal resuscitation. The study is a three-group, randomised, controlled, crossover simulation trial.
Methods:
Paediatrics residents, neonatology fellows, and attending neonatologists at a single neonatal intensive care unit. A ventilation simulation with a manikin was performed three times consecutively using the same scenario with three different ventilation evaluation methods (A) RFM plus indicator light and conventional methods (heart rate and chest rise) (B) RFM and conventional methods, and (C) conventional methods alone.
Results:
The ratio of gaze duration on the manikin to the total trial duration was recorded using an eye-tracking device. The proportion of trials with adequate ventilation (expiratory tidal volume [VTe], 4-10 mL/kg; peak inspiratory pressure <30 cm H2O; leak <40 %) was determined. After excluding incomplete data, 63 simulations (22 participants) were analysed. The ratios of the gaze duration on the manikin to the total trial duration were significantly different among settings A (0.60 [95 % confidence interval: 0.52-0.67] s/s), B (0.51 [0.43-0.59] s/s), and C (0.80 [0.76-0.84] s/s). Ventilation with adequate VTe and less leakage was more frequent in settings A and B than in setting C (adequate VTe: A, 91 %; B, 91 %; and C, 83 %; less leak: A, 76 %; B, 78 %; and C, 57 %).
Conclusions:
An indicator light close to the facemask with an RFM directed the eyesight towards the manikin without compromising the ventilation quality during the simulation of neonatal resuscitation.
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