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Related Experiment Videos

Clinical review: severe asthma.

Spyros Papiris1, Anastasia Kotanidou, Katerina Malagari

  • 1Department of Critical Care and Pulmonary Services, National and Kapodistrian University of Athens, Evangelismos Hospital, Athens, Greece. papiris@otenet.gr

Critical Care (London, England)
|April 10, 2002
PubMed
Summary

Severe asthma, or status asthmaticus, is a life-threatening exacerbation requiring prompt medical intervention. Treatment focuses on oxygen, bronchodilators, corticosteroids, and mechanical ventilation if needed, alongside preventative strategies.

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Area of Science:

  • Pulmonology
  • Critical Care Medicine
  • Emergency Medicine

Background:

  • Severe asthma, encompassing therapy-resistant cases, contributes significantly to asthma morbidity and mortality.
  • Acute, severe asthma (status asthmaticus) presents as a rapid, severe exacerbation potentially unresponsive to standard treatments.
  • Airway narrowing in severe asthma leads to ventilation-perfusion imbalance, hyperinflation, and increased work of breathing, risking respiratory failure.

Purpose of the Study:

  • To outline the current understanding and management strategies for acute, severe asthma (status asthmaticus).
  • To detail the pharmacological and mechanical ventilation approaches for patients with severe asthma exacerbations.
  • To emphasize the importance of timely intervention, appropriate monitoring, and preventative care in managing status asthmaticus.

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Main Methods:

  • Review of established treatment protocols for acute, severe asthma.
  • Discussion of pharmacological interventions including oxygen, beta2-agonists, corticosteroids, and subcutaneous epinephrine/terbutaline.
  • Analysis of mechanical ventilation strategies, including sedation, permissive hypercapnia, and patient-ventilator synchrony.

Main Results:

  • Initial management involves oxygen, inhaled bronchodilators, and systemic corticosteroids.
  • Subcutaneous agents are considered for non-responsive or uncooperative patients.
  • Mechanical ventilation is crucial for supporting gas exchange and reducing respiratory muscle work in severe cases, with specific ventilatory strategies recommended.

Conclusions:

  • Prompt and aggressive medical treatment is essential for managing status asthmaticus.
  • Mechanical ventilation, when necessary, should be initiated without delay, employing specific supportive techniques.
  • Close patient monitoring and a comprehensive prevention strategy post-discharge are critical for long-term outcomes.