THURSDAY, May 24 (HealthDay News) — Some overweight or obese
children are at increased risk for a brain condition that can lead to
blindness, a new study shows.
The risk of idiopathic intracranial hypertension (IIH) — also called
pseudotumor cerebri — is especially high in older white girls, according
to the Kaiser Permanente researchers.
People with the condition have increased pressure around the brain that
is not caused by other diseases. Symptoms include headache, blurred
vision, nausea and eye movement abnormalities. Idiopathic intracranial
hypertension can lead to blindness in up to 10 percent of patients,
particularly if not diagnosed and treated promptly.
The researchers analyzed data from 900,000 children, aged 2 to 19, and
identified 78 cases of idiopathic intracranial hypertension. Eighty-five
percent of the patients with the condition were girls aged 11 to 19,
nearly half were white and 73 percent were overweight or obese.
Compared to normal weight children, the risk was 16 times higher in
extremely obese children, six times higher in moderately obese children
and 3.5 times higher in overweight children.
The study is published May 24 in the Journal of Pediatrics.
“Childhood obesity has again been shown to be associated with a serious
disease,” study author Dr. Sonu Brara, of the Kaiser Permanente Los
Angeles Medical Center Neurology Department, said in a Kaiser news
release.
“This research is the strongest evidence to date that obesity is
associated with IIH in children — it also suggests that the childhood
obesity epidemic is likely to lead to increased morbidity from IIH,
including blindness,” Brara added.
More information
The U.S. National Institute of Neurological Disorders and Stroke has
more about idiopathic intracranial hypertension.
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