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Bronchopulmonary Dysplasia in the Premature Infant

Bronchopulmonary dysplasia (BPD) is a lung disorder that causes breathing problems in preterm, low-birthweight babies who require breathing assistance. Health care providers usually care for babies who develop BPD in the neonatal intensive care unit (NICU), or the pediatric intensive care unit (PICU). Over time, the damaged lungs can heal, as the baby grows new lung tissue.

Baby with head turned to side showing airway and lungs. Closeup of airway and normal alveoli. Closeup of airway and damaged alveoli.

What Causes BPD?

BPD sometimes occurs in babies who require ventilation for long periods of time, to save the baby’s life. In some cases, the extended ventilation can lead to long-term problems. NICU staff takes steps to prevent these problems, but sometimes they can’t be avoided. BPD occurs when a baby's air sacs (alveoli) and the airways inside his or her  lungs become scarred. Scar tissue doesn’t function like normal lung tissue. So, babies with BPD have a hard time breathing. They tend to breathe hard and fast while at rest. They may also wheeze or become short of breath. This can worsen if the baby has a cold or is exposed to lung irritants, such as cigarette smoke.

How Is BPD Treated?

  • Medications. Certain medications (bronchodilators) are used to open narrow airways. Diuretics help remove excess fluid from lungs. In rare cases, steroids are used to control inflammation and swelling inside the airways.

  • Chest physiotherapy. This is used to help clear fluid and mucus from the lungs. The nurse may first loosen mucus by tapping or vibrating the baby’s chest or back. Changing the baby’s position can also help mucus find its way out of the smaller airways. The nurse may then need to suction the baby’s endotracheal tube, if the baby is still on a breathing machine (ventilator). A health care provider may teach you to help with chest physiotherapy.

  • Treating other medical problems. Babies with BPD may have other medical problems. BPD does not cause these. But some medical problems, such as infections, can worsen BPD. Treating them may help your baby recover from BPD more quickly.

  • Caring for your baby’s overall health. Reducing stress and stimulation can help calm babies. This makes breathing easier.

  • Extra nutrition. Babies with BPD need extra food to gain weight. This is because they are working hard and using a lot of energy to breathe.

  • Ventilation. This is slowly phased out as lung function improves.

What Are the Long-Term Effects?

Many babies with BPD recover quickly. These babies often go home shortly after they are born. But in more severe cases, BPD may require long treatment in the NICU or PICU. When the baby does go home, he or she may still need medication, as well as ventilation or supplemental oxygen. These more severe cases of BPD can cause developmental and neurological delays. They can also result in chronic lung disease, such as asthma.

 

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