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The development of heated humidified high flow started in 1999 with Vapotherm introducing the concept of high flow use with race horses. [2]High flow was approved by the U.S. Food and Drug Administration in the early 2000s and used as an alternative to positive airway pressure for treatment of apnea of prematurity in neonates. [3]
Humidification and suctioning are necessary to manage secretions in patients on mechanical ventilation. According to Branson (2007), the optimal humidification level "has been not well defined, but it is clear that in a patient with thick and copious secretions a heated humidifier is preferred to an HME". [3]
Respiratory gas humidification is a method of artificially conditioning respiratory gas for the patient during therapy, and involves humidification, warming, and occasionally filtration of the gas being delivered. If these three measures are not performed to compensate for the natural conditioning of air by the respiratory system, lung ...
Bubble CPAP is a non-invasive ventilation strategy for newborns with infant respiratory distress syndrome (IRDS). It is one of the methods by which continuous positive airway pressure (CPAP) is delivered to a spontaneously breathing newborn to maintain lung volumes during expiration.
Ventilators may also be equipped with monitoring and alarm systems for patient-related parameters (e.g., pressure, volume, and flow) and ventilator function (e.g., air leakage, power failure, mechanical failure), backup batteries, oxygen tanks, and remote control. The pneumatic system is nowadays often replaced by a computer-controlled turbopump.
The ventilator prevents the accumulation of carbon dioxide so that the lungs don't collapse due to the low pressure. [2] [3] The use of artificial ventilation can be traced back to the seventeenth century. There are three ways of exchanging gases in the body: manual methods, mechanical ventilation, and neurostimulation. [4]
Respiratory humidification during surgery helps maintain body temperature and normal function of the respiratory mucosa. [31] [32] In the same way that some animals pant to lose excess body heat, heat is lost through the lungs during mechanical or assisted ventilation. Heated humidification of respiratory gases during surgery has been ...
Schematic of a network of rooms where air (shown in blue) flows in one direction from the corridor into the negative pressure room (green). Exhaust air is safely removed from the area through a ventilation system. Negative pressure is generated and maintained in a room by a ventilation system that continually attempts to move air out of the ...
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