Diabetic parturient - Anaesthetic implications.

Pregnancy induces progressive changes in maternal carbohydrate metabolism. As pregnancy advances insulin resistance and diabetogenic stress due to placental hormones necessitate compensatory increase in insulin secretion. When this compensation is inadequate gestational diabetes develops.

Regional & topical anaesthesia of upper airways.

A combination of techniques are required to adequately anaesthetise upper airway structures for awake intubation. The widest coverage is provided by the inhalational technique. This technique, however, does not always provide a dense enough level of anaesthesia for all patients.