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Qs for Experts in Babylog 8000


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We have a new Babylog 8000 plus ventilator in our NICU for the first time and I have 2 questions about it:

1- What is the commonly used values regarding volume triggering ?

2- what is the acceptable percentage of leak ?



Mohamad Ismail,
Neonatology resident,
Mansoura, Egypt .

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1.Volume guaranteed (VG) provides automatic adjustment of the peak inspiratory pressure for ensuring a minimum set tidal volume.

The flow sensor of the ventilator should calibrated before starting VG ventilation. We set VT of 3.5-4 ml/kg for infants >1000 g and  5 ml/kg <1000 g. During SIMV/SIPPV/PSV + VG, all ventilator settings are the same, only the PIP limit sets 10 cm H2O above the PIP that is used during the conventional SIMV mode.

At the follow-up, the set VT is adjusted according to the arterial blood gas analysis.

2. The leak is very important during VG ventilation, no more than 40%; higher leak  results in erroneous measurement of delivered VTe (expire) and lead to a discrepancy between set VT and delivered VT.

Best regards.

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