Abstract
Background Idiopathic central diabetes insipidus (CDI) has been associated with intracranial pathologies that do not involve the structural pituitary gland or hypothalamus. The objective was to study the association between non-structural hypothalamic/pituitary intracranial pathologies (NSHPIP) with CDI and to review etiologies that may be contributory to the development of CDI. Methods A retrospective query of our intra-institutional database from 2006 to 2015. Children admitted diagnosed with diabetes insipidus (DI) (ICD-9 253.5) between the ages of 0-1 year were included. Patient charts were reviewed to include those who have a documented diagnosis of CDI, hypernatremia (>145 mmol/L), high serum osmolality (>300 mOsm/kg), low urine osmolality (<300 mOsm/kg), and brain imaging reports. Diagnoses of nephrogenic DI were excluded. Results Twenty-three infant patients were diagnosed with CDI. Eleven subjects (48%) had NSHPIP. Of those, 18% had cerebral infarction, 27% had intracranial injury and hemorrhage due to traumatic brain injury, 18% had isolated intraventricular hemorrhage, and 27% had meningitis. Hospital prevalence for NSHPIP, age 0-1 year, ranged from 0.05% to 0.3%. Conclusions Rates of NSHPIP in those with CDI are higher than expected hospital rates (p<0.001), suggesting a possible association between CDI and NSHPIP.
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Schedule a callMore From: Journal of pediatric endocrinology & metabolism : JPEM
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