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[Hypoglycaemia--diagnosis and therapy in emergencies]
1Leiter Metabolik, Universitäts-Kinderklink, Bern. jean-marc.nuoffer@insel.ch
Therapeutische Umschau. Revue Therapeutique
|September 3, 2005
Summary
Hypoglycaemia, or low blood sugar, is a medical emergency requiring prompt IV glucose. Maintaining normal blood sugar depends on diet, liver function, substrates, fatty acid metabolism, and endocrine regulation.
Area of Science:
- Biochemistry
- Endocrinology
- Pediatrics
Context:
- Hypoglycaemia (blood sugar < 2.5 mmol/L) is a critical medical emergency.
- Fuel balance, involving glucose, fatty acids, and ketone bodies, is crucial for maintaining blood sugar.
- The brain's high metabolic rate, especially in neonates, increases susceptibility to hypoglycaemia.
Purpose:
- To outline the multifactorial causes of hypoglycaemia.
- To emphasize the importance of prompt diagnosis and treatment.
- To highlight diagnostic procedures for suspected hypoglycaemia.
Summary:
- Normal blood glucose requires adequate caloric intake, functional hepatic enzymes, sufficient gluconeogenic substrates, fatty acid beta-oxidation, and integrated endocrine function (insulin, glucagon, catecholamines, growth hormone).
- Disturbances in any of these factors can precipitate hypoglycaemia.
- Diagnostic steps include immediate blood glucose testing, urine ketone analysis, and further investigations using refrigerated samples.
Impact:
- Facilitates rapid diagnosis and targeted treatment of hypoglycaemia.
- Aims to prevent recurrent and prolonged hypoglycaemic episodes.
- Improves management strategies for this common paediatric medical emergency.