تعريف

Sudden infant death syndrome (SIDS) refers to the unexpected, unexplained death of a child less than one year old. SIDS is rare during the first month of life. It peaks at 2 to 4 months of age, then gradually decreases.

أسباب

Experts do not know the exact cause of SIDS. Many theories exist. Potential causes include:

  • Abnormalities in a section of the brain that controls breathing during sleep and waking
  • Abnormalities in the control of heart rhythm
  • Changes in how serotonin, a neurotransmitter, functions in the brain
  • Changes in some components of the immune system
  • Inadequate arousal response to breathing obstruction or asphyxia—a lack of oxygen or excess carbon dioxide in the body caused by interruption of breathing; may cause unconsciousness

متلازمة موت الرضع المفاجئ

عوامل الخطر

Risk factors that increase the chance of SIDS include:

  • Infant’s age: less than 6 months old
  • Low birth weight
  • Delayed fetal growth
  • History of SIDS death in a sibling
  • History of an acute life-threatening event
  • Previous incident of unexplained severe apnea—when breathing is repeatedly interrupted and requires resuscitation
  • Sleeping on the stomach or side rather than back
  • Other risk factors are more general and include:
    • Smoking during pregnancy or in a house where the baby is sleeping
    • Alcohol, excessive caffeine, opiate, or cocaine use during pregnancy
    • Mother’s age: younger than 20 during first pregnancy
    • فقر
    • Black, Native American, and Alaskan Native families
    • الجنس : ذكر
    • History of anemia or a urinary tract infection while pregnant
    • No or late prenatal care
    • الولادة المبكرة
    • Recent infection and/or fever
    • Cold weather in late fall or winter
    • Overheating
    • Low socioeconomic status or low level of education
    • Co-sleeping in parents room
    • Loose covers and blankets

الأعراض

A baby that dies of SIDS typically appears healthy. The baby may have had a cold or gastrointestinal infection in the two weeks prior to death. There usually are no warning signs that a baby is about to have SIDS.

التشخيص

All possible illnesses and causes of death must be ruled out before a diagnosis of SIDS is made. A complete investigation will take place including:

  • تشريح الجثة
  • Assessment of the death scene
  • Review of the baby and family’s medical histories

العلاج

Emergency medical personnel should be called as soon as the infant is discovered not breathing. Infant CPR should be started right away. Seek medical care right away even if the baby starts breathing again. The cause of the incident should be fully evaluated. Families may need grief counseling after the death. Some parents find support groups helpful.

الوقاية

There is no way to predict which infants will die of SIDS. Several actions may help you lower your child’s risk of SIDS:

  • خلال حمل:
    • Get prenatal care early and regularly.
    • Do not smoke, drink alcohol, or use drugs while pregnant.
  • After birth:
    • Babies less than one year old should sleep on their back. Do not allow a young baby to sleep on his stomach or side. However, many babies roll over after 6 months of age and do not require constant monitoring of sleep position. Ask your doctor for more information about positioning your baby for sleep.
    • Other factors that may help reduce SIDS risk include:
      • Provide a firm crib mattress.
      • Breastfeed your baby.
      • Do not place blankets, a comforter, pillow, or sheepskin under your baby.
      • Do not let your baby sleep on a waterbed.
      • Remove soft, stuffed toys and loose bedding from the sleep area.
      • Do not cover your baby’s head or face.
      • Have your baby sleep in the same room as you do, but do not share your bed.
      • Keep the bedroom at a comfortable temperature (68°F-72°F).
      • Avoid overheating. Do not overdress your baby.
      • Give your baby a pacifier during nap time and bedtime.
      • While your baby is awake, place him on his stomach so that he can move his body.
      • If you smoke, do not smoke in the house or around your baby. Ask your doctor about ways you can quit.
      • Be sure that your baby gets routine medical care, including the recommended vaccines.
      • Do not use cardiorespiratory monitors or other commercial devices that claim to reduce the risk of SIDS. There is no evidence that these devices are useful.
      • Learn infant CPR.

    Make sure anyone else caring for your child is also aware of these recommendations.

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