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Idiopathic intracranial hypertension in children with obesity.

Acta Paediatrica 2022 March 24
AIM: Obesity is an under-recognised risk factor for raised intracranial pressure in the paediatric population. The pathophysiology remains unclear. The aim of our study was to investigate the association between idiopathic intracranial hypertension (IIH) and weight in children.

METHODS: Patients diagnosed with IIH at a tertiary children's hospital were retrospectively identified between April 2017 and April 2019. Information regarding the patients' body mass index, presentation, investigation and treatment was collected and analysed.

RESULTS: In total, 18 patients (M:F 7:11) were identified with a mean age of 11 years (±3.3SD; range: 6-15 years). The mean BMI was 30.3 kg/m2 and mean BMI SDS was +2.5. Twelve (66.6%) patients presented with both headaches and eye signs. Three patients were asymptomatic, with papilloedema noted on routine optician review. Of the 18 patients, 15 were treated medically, two had long-term neurosurgical interventions and one patient was managed conservatively.

CONCLUSION: The results show that the majority of children with obesity who develop IIH were female. Awareness regarding IIH secondary to obesity needs to be highlighted to ensure detailed clinical evaluation takes place so that raised intracranial pressure can be diagnosed and managed earlier, to avoid more serious complications such as permanent visual loss.

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