S119 Axonal excitability studies in diabetic neuropathy

Diabetic polyneuropathy (DPN) is a complication of diabetes involving complex mechanisms. The introduction of automated threshold-tracking has led to a number of abnormal axonal excitability findings associated with diabetes without neuropathy (DWN) and DPN.The first abnormality described was a striking resistance to ischaemia in DWN. Superexcitability measurements showed that this ischaemic resistance was not due to a depolarized resting potential, but was related to the mean blood glucose over 24h, indicating a rapid effect of glucose on nerve metabolism.

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