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Hypothalamopituitary deficiency and precocious puberty following hyperhydration in diabetic ketoacidosis
N Tubiana-Rufi1, I Thizon-de Gaulle, P Czernichow
1Service d'Endocrinologie et de Diabétologie Pédiatriques, Hôpital Robert-Debré, Paris, France.
Insights
A child survived a diabetic ketoacidosis (DKA) crisis but developed vision loss and unique hormonal deficiencies. Careful rehydration is crucial to prevent severe brain complications in DKA patients.
Area of Science:
- Pediatric Endocrinology
- Neuroendocrinology
- Neurology
Background:
- Diabetic ketoacidosis (DKA) is a serious complication of type 1 diabetes.
- Cerebral edema is a rare but severe complication of DKA, particularly in children.
- Intracerebral crisis following DKA can lead to significant neurological deficits.
Observation:
- A 5-year-old child experienced an intracerebral crisis and subsequent visual impairment due to a vascular occipital lesion after DKA.
- The child developed a unique hypothalamopituitary disorder, including deficiencies in growth hormone (GH), ACTH, and TSH, along with central precocious puberty.
- Cranial MRI revealed no direct lesion in the hypothalamopituitary region, suggesting ischemic damage.
Findings:
- The most probable cause of the observed deficits is ischemia in the hypothalamopituitary and occipital regions, potentially secondary to cerebral edema during hyperhydration.
- The patient survived with reduced visual acuity and required hormone replacement therapy for multiple neuroendocrinological deficiencies.
- This case highlights the potential for rare neuroendocrinological consequences following DKA-induced cerebral edema.
Implications:
- The critical importance of careful and monitored rehydration during the initial management of DKA, especially in young patients with risk factors like severe hyponatremia.
- The need for heightened physician awareness regarding potential long-term neuroendocrinological sequelae in survivors of DKA-related cerebral edema.
- This case underscores the complexity of DKA management and the importance of a multidisciplinary approach to address both acute and chronic complications.
Abstract:
We report on a 5-year-old child who survived an intracerebral crisis, following ketoacidosis-revealing diabetes (DKA), with visual impairment due to a vascular occipital lesion. Two and 4 months after the initial episode, a unique hypothalamopituitary disorder consisting in GH, ACTH, TSH deficiencies and central precocious puberty, was detected. Cranial magnetic resonance images showed no visible lesion in the hypothalamopituitary region. The most likely hypothesis is the ischemia of hypothalamopituitary and occipital regions following possible cerebral edema after hyperhydration. She survived with low visual acuteness and received a combined replacement therapy for the neuroendocrinological deficiencies. This case emphasizes that the rehydration at the initial period of DKA is critical, especially when risk factors for cerebral edema are present (young age, marked hyponatremia). The neuroendocrinological consequences of acute cerebral edema are rare, but physicians must be attentive in survivors of these accidents.