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Breath acetone concentration decreases with blood glucose concentration in type I diabetes mellitus patients during hypoglycaemic clamps

Turner, Claire; Walton, Christopher; Hoashi, Shu and Evans, Mark (2009). Breath acetone concentration decreases with blood glucose concentration in type I diabetes mellitus patients during hypoglycaemic clamps. Journal of Breath Research, 3(4), article no. 046004.

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Conventional wisdom is that breath acetone may be markedly elevated in type 1 diabetes, but that this only occurs during poor blood glucose control and/or intercurrent illness. In contrast, little is known about breath acetone at more representative everyday blood glucose levels in diabetes. We used selected ion flow tube mass spectrometry (SIFT-MS) to monitor the breath of 8 patients with type 1 diabetes mellitus during “insulin clamp” studies in which insulin and glucose were infused into patients to lower blood glucose levels in steps from normal values into the low glucose (hypoglycaemic) range. The concentration of acetone in breath and the blood sugar concentration of the patients were monitored at each blood glucose concentration. The blood glucose level at the start of the study was typically about 6mM/L, whereas the breath acetone concentration at this blood glucose level was unexpectedly variable, ranging from one part-per-million (ppm) to 21 ppm, in contrast to what was previously believed, i.e. that type 1 diabetes mellitus (T1DM) is characterised by high acetone levels. In all 8 patients, the breath acetone declined linearly with blood glucose concentration.

Item Type: Journal Article
Copyright Holders: 2009 IOP Publishing Limited
ISSN: 1752-7155
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetJDRF
Keywords: type 1 diabetes mellitus; breath monitoring; acetone; VOCs, SIFT-MS
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Biomedical Research Network (BRN)
Item ID: 19182
Depositing User: Users 9108 not found.
Date Deposited: 09 Dec 2009 14:10
Last Modified: 23 Feb 2016 19:47
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