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    Pneumothorax - infants

    Air leak syndrome

    Pneumothorax is the collection of air or gas in the space inside the chest around the lungs, which leads to a lung collapse.

    This article discusses pneumothorax in infants.

    For information about pneumothorax in older children and adults, see: Pneumothorax

    Causes

    A pneumothorax occurs when the tiny air sacs (alveoli) in a baby’s lung burst, leaking air into the space between the lung and chest wall (pleural space).

    The most common cause of pneumothorax is respiratory distress syndrome, which occurs in babies who are born too early (premature).

    • Because the baby's lungs lackthe slippery substance (surfactant) that helps them stay open, the tiny air sacs are not able to expand as easily.
    • If the baby is put on a breathing machine (mechanical ventilator), there is extra pressure on the baby's lungs, which can sometimes burst the air sacs.

    Meconium aspiration syndrome is another cause of pneumothorax in newborns. As the baby is being born, he or she may breathe in the first bowel movement, called meconium. This may cause breathing problems and the need for a breathing machine.

    Less commonly, an otherwise healthy baby can develop an air leak when he or she takes the first few breaths after birth. This occurs because of the pressure needed to expand the lungs for the first time.

    Pneumothorax is more common in boys than girls.

    Symptoms

    Many infants with pneumothorax do not have symptoms. When symptoms do occur, they can include:

    • Bluish skin color (cyanosis)
    • Fast breathing
    • Flaring of the nostrils
    • Grunting with breathing
    • Irritability
    • Restlessness
    • Use of other chest and abdominal muscles to aid breathing (retractions)

    Exams and Tests

    The nurses and doctors may have difficulty hearing breath sounds when listening to the infant’s lungs with a stethoscope. The heart or lung sounds may seem as if they are coming from a different part of the chest than normal.

    Tests for pneumothorax include:

    • Chest x-ray
    • Light probe placed against the baby’s chest, also known as "transillumination" (pockets of air will show up as lighter areas)

    Treatment

    Babies without symptoms may not need treatment. The health care team will monitor your baby’s breathing, heart rate, oxygen level, and skin color.

    If your baby is having symptoms, the doctor will place a needle or thin tube called a catheter into the baby’s chest to remove the air that has leaked into the chest space.

    Treatment can last for a few days to a few weeks.

    Outlook (Prognosis)

    Some air leaks will go away within a few days without treatment. Infants who are treated by removing the air with a needle or catheter usually do well after treatment.

    Possible Complications

    Although babies on breathing machines are carefully watched, air leaks can occur.

    As air builds up in the chest, it can push the heart toward the other side of the chest. This puts pressure on both the lung that hasn’t collapsed and the heart. This condition is called tension pneumothorax. It is a medical emergency.

    When to Contact a Medical Professional

    Often pneumothorax is discovered shortly after the baby is born. Call your health care provider if your infant has symptoms of pneumothorax.

    Prevention

    The health care providers in the newborn intensive care unit (NICU) should watch your infant carefully for signs of an air leak.

    References

    Dudell GG, Stoll BJ. Respiratory tract disorders. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2011.

    Hermansen CL, Lorah KN. Respiratory distress in the newborn. Am Fam Physician. 2007;76:987-994.

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    • Pneumothorax

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          Tests for Pneumothorax - infants

            Review Date: 1/27/2012

            Reviewed By: Kimberly G. Lee, MD, MSc, IBCLC, Associate Professor of Pediatrics, Division of Neonatology, Medical University of South Carolina, Charleston, SC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

            The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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