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Alternative Names:

PVL; Brain injury - infants



Definition:

Periventricular leukomalacia (PVL) is a type of brain injury that affects infants. The condition involves the death of small areas of brain tissue around fluid-filled areas called ventricles. The damage creates "holes" in the brain.



Causes, incidence, and risk factors:

PVL is much more common in premature infants than in full-term infants.

A major cause is thought to be changes in blood flow to the area around the ventricles of the brain. This area is fragile and prone to injury, especially before 32 weeks of gestation.

Infection around the time of delivery may also play a role in causing PVL. The more premature your baby is and the sicker your baby is, the higher the risk for PVL.

Premature babies who have intraventricular hemorrhage (IVH) are also at increased risk for developing this condition.



Symptoms:



Signs and tests:

Tests used to diagnose PVL include an ultrasound and MRI of the head.



Treatment:

There is no treatment for PVL. The baby's heart, lung, intestine, and kidney functions will be monitored and treated so they remain as normal as possible.



Support Groups:



Expectations (prognosis):

PVL is frequently associated with neurological and developmental problems in growing babies, usually during the first to second year of life. It may lead to cerebral palsy (CP), especially spasticity (tightness, or increased muscle tone) in the legs.

Babies with PVL are at risk for significant neurological problems, especially those that involve movements such as sitting, crawling, walking, and moving the arms. Patients may need physical therapy.

A baby diagnosed with PVL should be monitored by a developmental pediatrician or a pediatric neurologist, in addition to the child's regular pediatrician.



Complications:



Calling your health care provider:



Prevention:




Review Date: 11/27/2007
Reviewed By: Deirdre O’Reilly, M.D., M.P.H., Neonatologist, Division of Newborn Medicine, Children’s Hospital Boston and Instructor in Pediatrics, Harvard Medical School, Boston, Massachusetts.

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. Call 911 for all medical emergencies. 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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Wentworth-Douglass Hospital
789 Central Avenue, Dover, NH 03820
Phone: (603) 742-5252
Toll free: 1 (877) 201-7100