Bag and mask ventilation is contraindicated in newborn resuscitation with clinical suspicion of?

RUHS, Jaipur, PB B.Sc Nursing Entrance-2018

Child Health Nursing (Pediatrics)

Hard

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2018

Explanation

In a congenital diaphragmatic hernia, abdominal organs such as the stomach and intestines are displaced into the chest cavity through a defect in the diaphragm.
Bag and mask ventilation forces air into the esophagus and stomach, in addition to the lungs.
This insufflation of air causes the herniated bowel to expand within the chest, severely compressing the underdeveloped lungs and causing a mediastinal shift.
The resulting cardiorespiratory compromise is often catastrophic and can be fatal.
Therefore, the correct and life-saving procedure is to immediately perform endotracheal intubation to ventilate the lungs directly, while avoiding stomach inflation.

Option A: Ventilation is not contraindicated; it is essential. Preventing hypoxia and hypercapnia is critical to avoid secondary brain injury in a newborn with an intracranial hemorrhage.
Option C: Positive pressure ventilation (PPV) with a bag and mask is indicated for a non-vigorous newborn with meconium-stained fluid who has apnea or a heart rate below 100 bpm. It is not contraindicated.
Option D: A newborn with a pneumothorax requires respiratory support. While PPV can potentially worsen a tension pneumothorax, it is not contraindicated as ventilation is life-saving.

Clinical Relevance

Nursing practice connection: Knowing Contraindications in Neonatal Resuscitation helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A key physical assessment finding for suspected diaphragmatic hernia is a scaphoid (sunken or hollowed) abdomen, often accompanied by respiratory distress and bowel sounds heard in the chest.
This is a critical patient safety issue. Incorrectly applying bag-mask ventilation in this situation can be fatal. The rule is: 'Scaphoid abdomen + respiratory distress = Do NOT bag-mask, intubate immediately'.
What if? If a newborn requires resuscitation but the abdomen appears normally rounded or distended, diaphragmatic hernia is less likely, and standard Neonatal Resuscitation Program (NRP) guidelines, including bag-mask ventilation, can be initiated while assessing for other causes of distress.

How to Approach the Question

First, identify the keyword 'contraindicated'. This means you are looking for a condition where the specified action (bag and mask ventilation) is harmful and must be avoided.
Second, analyze the mechanism of bag and mask ventilation. It delivers positive pressure that inflates both the lungs (via the trachea) and the stomach (via the esophagus).
Third, evaluate the pathophysiology of each option. Consider how inflating the stomach would affect a newborn with each condition.
For intracranial hemorrhage, meconium aspiration, and pneumothorax, oxygenation is critical, and while there are precautions, ventilation itself is not harmful.
For diaphragmatic hernia, recall that abdominal organs are in the chest. Inflating the stomach in the chest would compress the lungs and heart, making it a clear and absolute contraindication.

Concept Tested & Keywords

Concept Tested: Contraindications in Neonatal Resuscitation
Stem keywords: Bag and mask ventilation, contraindicated, newborn resuscitation, clinical suspicion
Lead-in keywords: contraindicated in
Negative lead-in flag: contraindicated

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