Diaphragmatic Hernia

(Hernia—Diaphragmatic; Congenital Hernia of the Diaphragm)

Definition

Diaphragmatic hernia is a congenital defect in which an opening is present in the diaphragm at birth. The diaphragm is the partition separating the chest and abdominal cavities. The abnormal opening allows some of the organs typically found in the abdomen to move into the chest cavity. In infants born with diaphragmatic hernia, the abdominal organs push up against the lungs. This prevents the lungs from developing normally.Diaphragmatic hernia is a serious condition with many potential complications and side effects.

Causes

Diaphragmatic hernia is caused by a failure of the diaphragm to completely fuse during fetal development.
Diaphragmatic Hernia—Stomach and Intestines Move into Chest Cavity
Herniated Diaphragm
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Risk Factors

Factors that may increase the risk of diaphragmatic hernia include:
  • Chromosomal syndromes
  • Maternal alcohol use
  • Pregestational diabetes in the mother

Symptoms

Symptoms include:
  • Severe respiratory distress, including rapid breathing, grunting, use of accessory muscles, and bluish tint to the skin from lack of oxygen
  • Asymmetrical or increased diameter of the chest wall
  • Concave abdomen

Diagnosis

Diagnosis is frequently made on prenatal ultrasound. If not found prior to birth, a physical exam will be done. A may be done to confirm the presence of abdominal organs in the chest cavity. Images may be taken of your child's bodily structures. This can be done with achest x-ray.

Treatment

Treatment includes the following:

Surgery

Surgery to repair the defect and move the organs into the abdomen may be done. Surgery involves either sewing the edges of the diaphragm together, or if the hole is too large, using an artificial patch to fully close the hole. Fetal surgery may be offered at some institutions.

Respiratory Support

Aggressive respiratory support, including intubation with mechanical ventilation, is often needed. Different ventilator strategies may be used. Extracorporeal membrane oxygenation (ECMO), or cardiopulmonary bypass, may be necessary.

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Prevention

There is no known prevention for diaphragmatic hernia.

RESOURCES

American Congress of Obstetricians and Gynecologists
http://www.acog.org

Healthy Children—American Academy of Pediatrics
http://www.healthychildren.org

CANADIAN RESOURCES

Health Canada
http://www.hc-sc.gc.ca

The Hospital for Sick Children
http://www.sickkids.ca

References

Congenital diaphragmatic hernia (CDH). Cincinnati Children's Hospital Medical Center website. Available at: http://www.cincinnatichildrens.org/health/c/diaphragmatic-hernias.Updated December 2013. Accessed January 14, 2015.

Congenital diaphragmatic hernia. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated December 2, 2014. Accessed January 14, 2015.

Congenital diaphragmatic hernia. The Fetal Treatment Center. The University of California, San Francisco website. Available at: http://fetus.ucsfmedicalcenter.org/cdh. Accessed January 14, 2015.

2/3/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: McAteer JP, Hecht A, et al. Maternal medical and behavioral risk factors for congenital diaphragmatic hernia. J Pediatr Surg. 2014 Jan;49(1):34-8.

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