• Jestin N Carlson, Susanne Schunder-Tatzber, Christine J Neilson, and Natalie Hood.
• Department of Emergency Medicine, Allegheny Health Network, Erie, Pennsylvania, USA.
• Emerg Med J. 2017 Feb 1; 34 (2): 100-106.

BackgroundWhile glucose tablets have been advocated for treating symptomatic hypoglycaemia in awake patients, dietary sugars may be more convenient. We performed a systematic review to compare the impact of these treatment options on the relief of symptomatic hypoglycaemia, time to resolution of symptoms, blood glucose levels, complications and hospital length of stay.MethodWe searched PubMed, Embase and the Cochrane Library through 28 June 2016 and assessed the quality of evidence using the Grades of Recommendation, Assessment, Development and Evaluation approach. Reference lists from a subset of the resulting articles were mined for additional, potentially eligible papers. We calculated the risk ratio (RR) of each treatment option for the preselected outcomes of interest.ResultsOf the 1774 identified papers, four studies met the inclusion criteria; three randomised controlled trials totalling 502 hypoglycaemic events treated with dietary sugars and 223 with glucose tablets and one observational study with 13 events treated with dietary sugars and 9 with glucose tablets. The dietary forms of sugar included sucrose, fructose, orange juice, jelly beans, Mentos, cornstarch hydrolysate, Skittles and milk. In the pooled analysis, patients treated with dietary sugars had a lower resolution of symptoms 15 min after treatment compared with glucose tablets (RR 0.89, 95% CI 0.83 to 0.95).ConclusionsWhen compared with dietary sugars, glucose tablets result in a higher rate of relief of symptomatic hypoglycaemia 15 min after ingestion and should be considered first, if available, when treating symptomatic hypoglycaemia in awake patients.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

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