Ketotic hypoglycemia

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Ketotic hypoglycemia is a medical condition characterized by low blood sugar levels (hypoglycemia) accompanied by the presence of ketones in the blood and urine. It is most commonly observed in young children and is often referred to as "childhood ketotic hypoglycemia."

Presentation

Children with ketotic hypoglycemia typically present with symptoms of hypoglycemia, which may include lethargy, irritability, pallor, sweating, and in severe cases, seizures or coma. These episodes often occur in the early morning or after periods of fasting, such as overnight.

Pathophysiology

The condition is believed to result from an imbalance between glucose production and utilization. During fasting, the body normally produces glucose through gluconeogenesis and glycogenolysis. In children with ketotic hypoglycemia, these processes may be insufficient, leading to hypoglycemia. The body then resorts to breaking down fatty acids for energy, resulting in the production of ketones.

Diagnosis

Diagnosis of ketotic hypoglycemia is typically based on clinical presentation and laboratory findings. Key diagnostic criteria include:

• Low blood glucose levels during an episode
• Elevated levels of ketones in the blood and urine
• Normal growth and development
• Absence of other metabolic or endocrine disorders

Management

Management of ketotic hypoglycemia involves preventing hypoglycemic episodes through dietary modifications. This may include:

• Frequent meals and snacks to avoid prolonged fasting
• A diet high in complex carbohydrates
• Avoidance of simple sugars and high-fat foods

In some cases, medical intervention may be necessary to manage acute hypoglycemic episodes. This can include the administration of glucose or glucagon.

Prognosis

The prognosis for children with ketotic hypoglycemia is generally good. Most children outgrow the condition by the age of 8 to 9 years. Long-term complications are rare if the condition is properly managed.

See also

• Hypoglycemia
• Ketosis
• Gluconeogenesis
• Glycogenolysis
• Fatty acid metabolism

External links

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