History
Biphasic/bilevel as a mode of ventilation was first presented in 1988 by Professor Benzer of Innsbruck and his group. His theory consisted of alternating PEEP levels. This was the first time the acronym BIPAP was used and was followed in 1989 with the publication of a new approach to ventilatory technique by Baum & Benzer which was also the first full year of commercial introduction of "Biphasic Positive Airway Pressure" as an integrated mode of ventilation on the Evita ventilator. This concept was introduced as a positive adjunct to weaning from ventilator support.
Read more about this topic: Bilevel Positive Airway Pressure
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