Is asthma considered respiratory failure?

Written by An Yong Peng
Pulmonology
Updated on March 01, 2025
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Asthma and respiratory failure are two distinct concepts. Asthma is a disease, whereas respiratory failure is a clinical outcome resulting from a series of diseases. During an acute asthma attack, there is also a possibility of respiratory failure occurring, and in severe cases, it can lead to serious respiratory failure requiring interventions like tracheal intubation and mechanical ventilation. Therefore, acute asthma attacks require active intervention. Treatments often include nebulized inhalation of short-acting bronchodilators and even intravenous administration of corticosteroids to handle the acute episode. Short-term intravenous use of corticosteroids can also help in controlling the acute attack.

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Written by Han Shun Li
Pulmonology
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Treatment of Respiratory Failure

Respiratory failure refers to the severe impairment of lung ventilation and gas exchange function caused by various reasons. The treatment of respiratory failure is comprehensive. Firstly, it is necessary to maintain the patency of the airway. Second, oxygen therapy is required. Oxygen therapy is mainly used to correct the patient's hypoxia. Third, a ventilator can be used to assist breathing. Fourth, the cause of the condition should be addressed. For example, if it is caused by a severe infection, aggressive anti-infection measures should be taken; if caused by a large amount of pleural effusion, aggressive drainage of the pleural fluid should be undertaken, etc. Additionally, general supportive therapy should be considered, such as maintaining electrolyte and acid-base balance. It is also important to protect the function of vital organs, such as maintaining the function of the heart and lungs, etc.

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Written by Han Shun Li
Pulmonology
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What are the symptoms of respiratory failure?

Respiratory failure is a common critical condition in clinical settings. At the stage of respiratory failure, patients often experience severe discomfort and pain. Common symptoms include difficulty breathing, with many patients showing obvious respiratory distress, often needing to sit upright to breathe, profuse sweating, and an inability to continue normal activity. Additionally, cyanosis can occur, indicating very severe hypoxia. Symptoms of pulmonary encephalopathy, such as mental confusion, convulsions, and agitation, may also appear. In severe cases, patients may even fall into a coma. Hence, at the stage of respiratory failure, patients suffer considerably.

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Written by Han Shun Li
Pulmonology
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How to rescue respiratory failure

Respiratory failure is a very serious condition clinically, and if not handled promptly, many patients may have their lives endangered. The emergency measures for respiratory failure include the following. First, it is necessary to maintain the patency of the airway. If the patient is unconscious, the patient should be placed in a supine position with the head tilted back, the lower jaw lifted, and the mouth opened to clear the airway of secretions and foreign objects. If this is insufficient, tracheal intubation and other methods should be considered to maintain airway patency. Additionally, oxygen therapy, which involves inhaling oxygen, can correct the patient's hypoxic state. If the respiratory function is very poor, consideration should also be given to using a ventilator to assist breathing. Other emergency measures include etiological treatment, supportive treatment, and protecting the function of other vital organs, among others.

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Written by Li Fang Xiao
Internal Medicine
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Can respiratory failure be cured?

Respiratory failure can potentially be cured, and the key lies in identifying the cause of the respiratory failure. For instance, acute inflammatory infections, such as severe pneumonia and other infectious diseases, can lead to dysfunction in lung ventilation and gas exchange, manifesting as respiratory failure. With the aggressive use of antibiotics and anti-infection drugs, once the infection is controlled, respiratory failure can also be corrected accordingly. Furthermore, if it is a complication of other diseases, such as acute left heart failure, respiratory failure can also occur. This type of respiratory failure will quickly improve once heart function is corrected. However, in the case of chronic diseases such as chronic obstructive pulmonary disease, bronchiectasis, asthma, and other causes, respiratory failure can only be managed with medication to alleviate symptoms, and it cannot be completely cured.

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Written by Han Shun Li
Pulmonology
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What are the symptoms of respiratory failure?

Respiratory failure is a common and serious condition in clinical settings, often categorized as an acute and critical illness. Simply put, respiratory failure occurs when respiratory function is extremely poor. It is caused by severe impairment of pulmonary ventilation and gas exchange due to various reasons. Even at rest, sufficient gas exchange cannot be maintained, leading to serious hypoxemia or concurrent hypercapnia. Clinically, this often presents with severe breathing difficulties, hypoxia, cyanosis, and requires immediate intervention to prevent potentially life-threatening complications.