Peripheral nerve function during hyperglycemic clamping in healthy subjects

S H Sindrup, B Ejlertsen, H Gjessing, A Frøland, E H Sindrup

13 Citationer (Scopus)

Abstract

The influence of hyperglycemia with physiological hyperinsulinemia on peripheral nerve function was studied in 10 non-diabetic subjects. Blood glucose concentration was raised from 3.8 +/- 0.2 mmol/l (mean +/- SEM) to 17.1 +/- 1.4 mmol/l (mean +/- SEM) within 15 min and kept at this level for 120 min by intravenous glucose infusion. Sensory and motor nerve conduction velocity, and distal motor latency in the ulnar nerve were determined before, immediately after induction of hyperglycemia, and again after 120 min of hyperglycemia. Mean sensory nerve conduction velocity increased from 57.7 m/s to 59.5 m/s (P less than 0.005) immediately after induction of hyperglycemia, and after 120 min of hyperglycemia mean sensory nerve conduction velocity was 59.6 m/s (P less than 0.05). An insignificant increase was seen in motor nerve conduction velocity during hyperglycemia. Mean distal motor latency decreased from 3.1 ms to 3.0 ms (P less than 0.025) immediately after induction of hyperglycemia, and after 120 min of hyperglycemia distal motor latency was 2.9 ms (P less than 0.05). We conclude that short term hyperglycemia with physiological hyperinsulinemia seems to increase sensory nerve conduction velocity and decrease motor latency.

OriginalsprogEngelsk
TidsskriftActa Neurologica Scandinavica
Vol/bind78
Udgave nummer2
Sider (fra-til)141-5
Antal sider5
ISSN0001-6314
DOI
StatusUdgivet - aug. 1988
Udgivet eksterntJa

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