Combined use of HFPPV with low-rate ventilation in traumatic respiratory insufficiency |
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Authors: | E Barzilay A Lev C Lesmes R Fleck A Khourieh |
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Institution: | (1) General Intensive Care Unit, Central Emek Hospital, Afula, Israel |
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Abstract: | Two patients with chest injuries, flail chest and respiratory failure were mechanically ventilated by a system composed of
2 Bennett respirators and an independent source of gas. This system provides high-frequency positive pressure ventilation
(HFPPV), low-frequency conventional mechanical ventilation (LFCMV) and high inspiratory flow of fresh gas (HIF), through the
independent source. This system made use of the advantages of HFPPV and also solved the problem of possible CO2 retention. Using this system we could ventilate the patients while they were fully conscious and cooperative, thus eliminating
the need for sedatives and muscle relaxants. Time of mechanical ventilation was shortened since the internal pneumatic fixation
was very good and made it possible for the fractured ribs to unite rapidly. Restoration of spontaneous breathing was immediate
after disconnection from the ventilator. We suggest this method as another mode of ventilation for patients with flail chest
and respiratory failure. |
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Keywords: | Lung contusion Flail chest Internal pneumatic fixation HFPPV Low rate mechanical ventilation |
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