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Effect of Sleep Environment on Sudden Infant Death Syndrome (SIDS)

by Anne Trueman on  July 26, 2012 at 12:24 PM Health Watch   - G J E 4
Infants during sleep have the highest risk of Sudden infant death syndrome (SIDS) and therefore it is referred as crib death or cot death.
Effect of Sleep Environment on Sudden Infant Death Syndrome (SIDS)

The exact cause of sudden infant death syndrome is still unknown. The preventive measures for SIDS involve sleeping in well-ventilated rooms and putting infants on their back to sleep.

Patricia Schnitzer and her colleagues evaluated 3136 sleep related infant death cases and identified the risk factors for sleep-associated sudden unexpected infant deaths (SUIDs) from the data collected from nine states that included Delaware, Hawaii, California, Michigan, Ohio, Nevada, Tennessee, Pennsylvania and Texas.

Recognition of the effect of hazardous environment on infant sleep is imperative to minimize the death of infants.

Only 25 percent of the infants were found to sleep on their back or in a crib while64 percent of the infants shared the sleeping space and nearly half of these infants shared the sleeping surface with adults.

The 3136 sudden unexpected infant deaths (SUIDs) were categorized into three segments- SIDS (30.6 percent), undetermined cause (39.5 percent) and suffocation (29.9 percent).

It was seen that most of the deaths occurred in male infants (57 percent) and in infants below the age of 4 months (71 percent). The majority of caregivers were female. Only 24 percent of infants were sleeping in a crib or bassinette at the time of death; 47 percent were in an adult bed, and another 13 percent were on a couch or chair. Twenty five percent of them were on their backs and 35 percent on their stomach.

Seventeen percent of infants were noted to have a partially or fully obstructed airway. Sixty-four percent of all SUID victims were sleeping on the same surface as another person or animal when they died. More than 50 percent of the deaths were referred to a medical examiner, and an autopsy was performed on 94 percent of the infants presented the frequency distribution and proportion of deaths according to cause of death category, caregiver, and other selected characteristics.

Schnitzer said, "Since the Back-to-Sleep Campaign began, deaths from Sudden Infant Death Syndrome (SIDS) have decreased, but infant sleep-related deaths resulting from suffocation dramatically have increased.Sharing beds with infants is more common now, so we want to help new parents understand the risks."

Furthermore people believe that sharing bed with infants make breast feeding easier but contrary to this popular belief the practice is harmful to infants who should be hygienically placed in their separate environment after breastfeeding.

Despite the recommendations made by the experts, there has been continuous increase in sharing bed with infants. Future researches should emphasize and focus on developing novel interventions to facilitate behavioral changes and provide a safe infant sleep environment.

Reference:
Sudden Unexpected Infant Deaths - Sleep Environment and Circumstances; Patricia Schnitzer et al; Am J Public Health. 2012;102(6):1204-1212

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