How long is mechanical ventilation required for the treatment of status asthmaticus?

Updated: Jun 17, 2020
  • Author: Constantine K Saadeh, MD; Chief Editor: John J Oppenheimer, MD  more...
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Mechanical ventilation, when used in patients with asthma, is usually required for less than 72 hours. In occasional patients with severe bronchospasm, however, mechanical ventilation can be prolonged. In these situations, consultation with a pulmonologist or another expert in mechanical ventilatory techniques is recommended.

Because asthma is a disease of airway obstruction (ie, increased airway resistance), resulting in prolongation of the time constant (the time needed for lung units to fill and empty), low ventilator rates are usually needed.

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