The influence of continuous subcutaneous insulin infusion therapy vs. multiple daily injections upon the diet of those with Type 1 diabetes: A food diary investigation

Webb, Richard and Davies, I.G. and Purewal, T.S. and Weston, P.J. and Morrison, G. and Abayomi, J.C. (2016) The influence of continuous subcutaneous insulin infusion therapy vs. multiple daily injections upon the diet of those with Type 1 diabetes: A food diary investigation. Proceedings of the Nutrition Society, 75 (OCE3). ISSN 0029-6651

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Abstract

There exist a number of therapeutic options for the management of Type 1 diabetes (T1D). Multiple daily injections (MDI) are one such treatment and involve 4-5 daily subcutaneous injections of insulin. This frequently used approach is widely regarded as an effective method of controlling glycaemia; however, if a patient continues to suffer disabling episodes of hypoglycaemia, or if HbA1c remains above 8.5% continuous subcutaneous insulin infusion (CSII) may instead be recommended1. This therapy employs a small programmable pump device to facilitate the administration of insulin to the patient via a cannula. Various advantages of CSII have been documented compared to MDI, including improvements in glycaemic control and reduced incidence of both hypoglycaemia and the dawn phenomenon. An additional attribute, characterised by the flexible nature of the therapy, is that a liberalised diet may be enjoyed by patients, which in turn may infer potential nutrition and quality of life aberrations. This phenomenon is surprisingly under researched and further investigations to inform both treatment and risk would therefore be beneficial.
Following ethical approval and informed consent patients with T1D using either CSII or MDI from the Royal Liverpool Hospital were asked to complete a 5 day weighed food diary. Dietplan 6 software was used to process the responses and demographic data from participants’ medical records were added to the dataset. All data were then interrogated using descriptive statistics and any non-normal data were transformed logarithmically before further enquiry with t-tests or analysed non-parametrically with Mann-Whitney-U-tests.
The sample comprised of 20 patients (35% male, 65% female) with 11 using CSII and 9 using MDI. The patients’ mean age was 49±16 years and the majority were overweight or obese (72.7% CSII, 55.6% MDI).

Nutrient Amount per day
(CSII group) Amount per day (MDI group) % energy intake per day (CSII group) % energy intake per day (MDI group)
Energy 1866.6 Kcal 2110.5 Kcal N/A N/A
Protein 69.0 g/day 89.9 g/day 14.8 17.0
Total CHO 232.3 g/day 251.8 g/day 46.7 44.7
Total sugars 99.8 g/day 88.6 g/day 20.0 15.7
Total fat 73.5 g/day 80.1 g/day 35.4 34.2
Saturated fat 31.6 g/day 29.8 g/day 15.2 12.7
Table. Selected food diary results from patients using CSII and MDI compared to reference nutrient intakes.
Results showed mean energy intake was below the reference nutrient intake (RNI) for the CSII group; potentially suggestive of underreporting (Table)3. Patients using both CSII and MDI consumed protein above the RNI; however, this macronutrient contributed towards 14.8% of the daily energy intake of patients using CSII and 17.0% of those using MDI3. Total carbohydrate (CHO) consumption was below the RNI of 50%; however, it should be noted that consumption of total sugars was above the RNI for males and females in both groups4. Previous research by the authors suggesting habitual fruit consumption, particularly in those using CSII, may explain this5. Total fat and saturated fat consumption was mostly synonymic with RNI’s. Although no statistically significant associations were seen between any of the variables and the diets of the two populations appeared largely homogenous it is reassuring that no detrimental changes occurred. Despite this further analysis of total energy, protein and CHO quality is warranted.

Item Type:	Article
Additional Information and Comments:	Webb, R., Davies, I., Purewal, T., Weston, P., Morrison, G., & Abayomi, J. (2016). The influence of continuous subcutaneous insulin infusion therapy vs. multiple daily injections upon the diet of those with Type 1 diabetes: A food diary investigation. Proceedings of the Nutrition Society, 75(OCE3), E197. doi:10.1017/S0029665116002123
Faculty / Department:	Faculty of Human and Digital Sciences > School of Health and Sport Sciences
Depositing User:	Richard Webb
Date Deposited:	13 Dec 2018 11:28
Last Modified:	13 Dec 2018 11:28
URI:	https://hira.hope.ac.uk/id/eprint/2719

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