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|Title:||The metabolic response to rapid intravenous glucose injection in acute falciparum malaria|
T. M.E. Davis
R. J. Roche
N. J. White
University of Oxford
|Keywords:||Immunology and Microbiology;Medicine|
|Citation:||Transactions of the Royal Society of Tropical Medicine and Hygiene. Vol.85, No.2 (1991), 189-193|
|Abstract:||Because hypoglycaemia is common in severe malaria, intravenous glucose is often given empirically to patients on admission to hospital. To investigate the metabolic response to rapid glucose injection in acute malaria, 50 ml of 50% w/v (25 g) dextrose was given over 5 min to 10 adult patients (7 males, 3 females; mean age 30 years) with acute falciparum malaria. Five patients with severe infections were studied between doses of intravenous quinine; 5 cases were uncomplicated and previously untreated. The patients with severe malaria had lower pre-injection plasma glucose concentrations than patients with uncomplicated infections (mean±standard deviation, 4.2±0.9 vs 5.8± 1.1 mmol/litre, 2P<0.015). However, peak glucose concentrations (18.6±4. 8 vs 17 0±2.4 mmol/litre) and integrated responses (AUC0-245min) were similar in the 2 groups (2P>0.1 in each case), and pre- and post-injection plasma insulin concentrations and AUC0-245min values were also not significantly different (2P>0.05 in each case). No ‘rebound’ hypoglycaemia was observed. The patients with severe malaria had higher peak plasma lactate concentrations than the uncomplicated patients (2.5±0.7 vs 1.5±0.9 mmol/litre, 2P<0.05), but the highest plasma lactate achieved and the greatest maximum post-injection rise were only 3 8 and 0.8 mmol/litre respectively. The average maximum reduction in plasma potassium after injection was 0'2 mmol/litre at 35 min. These data suggest that injections of hypertonic dextrose given empirically in conventional doses to non-acidotic patients with acute, severe malaria are not harmful, but the metabolic response in patients with an established acidosis remains unknown. © 1991 Oxford University Press. All rights reserved.|
|Appears in Collections:||Scopus 1991-2000|
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