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Optimizing Oxygen Therapy: Nursing Interventions for Safe and Effective Delivery

Oxygen is a crucial element in the respiratory process and is essential for the survival of human beings. Oxygen therapy is a common intervention used in healthcare to improve oxygenation levels in patients with respiratory distress. Oxygen can be delivered through various devices, and nurses play a crucial role in ensuring the safe and effective delivery of oxygen therapy.

oxygen therapy

Types of Oxygen Delivery Devices

1. Nasal Cannula

A nasal cannula is a device that consists of two prongs that are placed inside the nostrils. It is the most commonly used device for oxygen delivery in healthcare. The flow of oxygen can be adjusted according to the patient's needs.

Required Litre Flow (L/minute): 1-6

Approximate Percent Oxygen: 24%-44%

2. Simple Face Mask

An oxygen mask covers the patient's nose and mouth, and oxygen is delivered through the mask. It is used when the patient requires a higher concentration of oxygen.

Required Litre Flow (L/minute): 5-8

Approximate Percent Oxygen: 30%-60%

3. Venturi Mask

A Venturi mask is similar to an oxygen mask, but it delivers a specific amount of oxygen, which is determined by the Venturi effect. This device is used in patients who require a precise oxygen concentration.

Required Litre Flow (L/minute): 4-12

Approximate Percent Oxygen: 24%-60%

4. Non-Rebreather Mask

A non-rebreather mask is similar to an oxygen mask, but it has a one-way valve that prevents the patient from exhaling back into the mask. This device is used when the patient requires a high concentration of oxygen.

Required Litre Flow (L/minute): 6-10

Approximate Percent Oxygen: 35%-60%

Indications for Oxygen Therapy

Oxygen therapy may be indicated for patients who present with symptoms of hypoxemia or have conditions that put them at risk of inadequate oxygenation. Some common indications for oxygen therapy include:

  1. Acute respiratory distress

  2. Chronic obstructive pulmonary disease (COPD)

  3. Pneumonia

  4. Heart failure

  5. Asthma exacerbation

  6. Sleep apnea

It is essential for nurses to assess the patient's oxygen needs accurately to determine the appropriate level of oxygen supplementation.

Potential Complications and Interventions

Despite the benefits of oxygen therapy, certain complications may arise. Nurses should be vigilant and prepared to intervene when necessary. The following complications are commonly associated with oxygen therapy:

Oxygen Toxicity

Oxygen toxicity occurs when a patient receives high levels of supplemental oxygen for an extended period. It can lead to lung damage and oxidative stress. Nurses should closely monitor oxygen levels and adjust the flow rate according to the patient's needs to prevent oxygen toxicity.

Hypoxia and Hypercapnia

In some cases, patients may experience hypoxia (low oxygen levels) or hypercapnia (elevated carbon dioxide levels) despite oxygen therapy. Nurses should promptly assess the patient's condition, ensure proper oxygen delivery, and consider alternative interventions if needed. Collaborating with the healthcare team to adjust the treatment plan can help address these complications effectively.

Nursing Interventions for Oxygen Delivery Devices

  1. Assess the Patient's Respiratory Status - Before initiating oxygen therapy, the nurse should assess the patient's respiratory status, including the respiratory rate, depth, and effort. The nurse should also monitor the patient's oxygen saturation levels.

  2. Verify the Prescription - Oxygen therapy should be prescribed by a healthcare provider. The nurse should verify the prescription before initiating oxygen therapy.

  3. Ensure Proper Fit and Placement - The nurse should ensure that the oxygen delivery device is properly fitted and placed on the patient. The nasal cannula should be placed in the nostrils, and the oxygen mask should cover the nose and mouth.

  4. Monitor for Adverse Effects - The nurse should monitor the patient for adverse effects, such as skin irritation or pressure sores from the oxygen delivery device. The nurse should also monitor for symptoms of oxygen toxicity, such as confusion, fatigue, and respiratory distress.

  5. Maintain Humidification - Oxygen therapy can dry out the mucous membranes in the respiratory tract, leading to discomfort and irritation. The nurse should ensure that humidification is provided to prevent dryness.

  6. Document the Therapy - The nurse should document the oxygen therapy, including the device used, the flow rate, the duration of therapy, and the patient's response to therapy.

Frequently Asked Questions (FAQs)

  1. What is the role of nurses in optimizing oxygen therapy? Nurses play a crucial role in assessing patients' oxygen needs, administering oxygen, monitoring oxygen saturation levels, and maintaining oxygen equipment to ensure safe and effective delivery of oxygen therapy.

  2. How can nurses enhance the effectiveness of oxygen therapy? Nurses can enhance the effectiveness of oxygen therapy through patient education, promoting proper positioning and comfort measures, and collaborating with the multidisciplinary healthcare team.

  3. What are the potential complications of oxygen therapy? Potential complications of oxygen therapy include oxygen toxicity and the development of hypoxia or hypercapnia despite oxygen supplementation.

  4. How can nurses prevent oxygen toxicity? Nurses can prevent oxygen toxicity by closely monitoring oxygen levels, adjusting the flow rate appropriately, and ensuring the patient receives the necessary oxygen without exceeding safe levels.

Oxygen therapy is a crucial intervention in healthcare, and nurses play a critical role in ensuring the safe and effective delivery of oxygen therapy. The nurse should assess the patient's respiratory status, verify the prescription, ensure proper fit and placement, monitor for adverse effects, maintain humidification, and document the therapy. By following these nursing interventions, the nurse can ensure that the patient receives optimal oxygen therapy and achieve the desired clinical outcomes.

NCLEX: National Council Licensure Examination, OIIQ: Ordre des infirmières et infirmiers du Québec, OIIAQ: Ordre des infirmières et infirmiers auxiliaires du Québec


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