What are the risk factors for developing severe or persistent status asthmaticus?

Updated: Jun 17, 2020
  • Author: Constantine K Saadeh, MD; Chief Editor: John J Oppenheimer, MD  more...
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Risk factors for developing severe or persistent status asthmaticus include the following:

  • History of increased use of home bronchodilator treatment without improvement or effect

  • History of previous intensive care unit (ICU) admissions, with or without intubation and mechanical ventilatory support

  • Asthma exacerbation despite recent or current use of corticosteroids

  • Frequent emergency department visits and/or hospitalization (implies poor control)

  • Less than 10% improvement in peak expiratory flow rate (PEFR) from baseline despite treatment

  • History of syncope or seizures during acute exacerbation

  • Oxygen saturation below 92% despite supplemental oxygen

  • Subgroup of asthma patients who are poor perceivers of dyspnea are a greater risk of intubation and death [9]

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