Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.

<h4>Objective</h4>Encouraging daily physical activity improves cardiorespiratory fitness and many cardiovascular risk factors. However, increasing physical activity often creates a challenge for people with type 1 diabetes, because of difficulties maintaining euglycemia in the face of al...

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Autores principales:	John Joseph Valletta, Andrew J Chipperfield, Geraldine F Clough, Christopher D Byrne
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/021e73c8cfa0406bb3ccb4624aa764f3
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spelling	oai:doaj.org-article:021e73c8cfa0406bb3ccb4624aa764f32021-11-18T08:19:26ZDaily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.1932-620310.1371/journal.pone.0097534https://doaj.org/article/021e73c8cfa0406bb3ccb4624aa764f32014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24826899/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Objective</h4>Encouraging daily physical activity improves cardiorespiratory fitness and many cardiovascular risk factors. However, increasing physical activity often creates a challenge for people with type 1 diabetes, because of difficulties maintaining euglycemia in the face of altered food intake and adjustments to insulin doses. Our aim was to examine the triangular relationship between glucose control measured by continuous glucose monitoring system (CGMS), objective measures of total daily energy expenditure (TEE) recorded by a multi-sensory monitoring device, and cardiorespiratory fitness (CRF), in free-living subjects with type 1 diabetes.<h4>Research design and methods</h4>Twenty-three individuals (12 women) with type 1 diabetes who were free from micro- and macrovascular complications were recruited. TEE and glucose control were monitored simultaneously for up to 12 days, using a multi-sensory device and CGMS respectively. CRF was recorded as V02 max from a maximal treadmill test with the Bruce protocol.<h4>Results</h4>Subjects (mean±SD) were aged 37±11 years, with BMI = 26.5±5.1 kg.m⁻², HbA1c = 7.7±1.3% (61±14 mmol/mol) and V02 max (ml.min⁻¹.kg⁻¹) = 39.9±8.4 (range 22.4-58.6). TEE (36.3±5.5 kcal.kg⁻¹.day⁻¹) was strongly associated with CRF(39.9±8.4 ml.min⁻¹.kg⁻¹) independently of sex (r = 0.63, p<0.01). However, neither TEE (r = -0.20, p = 0.36) nor CRF (r = -0.20, p = 0.39; adjusted for sex), were significantly associated with mean glycaemia measured by CGMS.<h4>Conclusion</h4>Higher levels of energy expenditure (due to a more active lifestyle) are associated with increased cardiorespiratory fitness, but not necessarily better glycaemic control. Since increased levels of energy expenditure and good glycaemic control are both needed to protect against diabetes-related complications our data suggest they need to be achieved independently.John Joseph VallettaAndrew J ChipperfieldGeraldine F CloughChristopher D ByrnePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 5, p e97534 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q John Joseph Valletta Andrew J Chipperfield Geraldine F Clough Christopher D Byrne Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
description	<h4>Objective</h4>Encouraging daily physical activity improves cardiorespiratory fitness and many cardiovascular risk factors. However, increasing physical activity often creates a challenge for people with type 1 diabetes, because of difficulties maintaining euglycemia in the face of altered food intake and adjustments to insulin doses. Our aim was to examine the triangular relationship between glucose control measured by continuous glucose monitoring system (CGMS), objective measures of total daily energy expenditure (TEE) recorded by a multi-sensory monitoring device, and cardiorespiratory fitness (CRF), in free-living subjects with type 1 diabetes.<h4>Research design and methods</h4>Twenty-three individuals (12 women) with type 1 diabetes who were free from micro- and macrovascular complications were recruited. TEE and glucose control were monitored simultaneously for up to 12 days, using a multi-sensory device and CGMS respectively. CRF was recorded as V02 max from a maximal treadmill test with the Bruce protocol.<h4>Results</h4>Subjects (mean±SD) were aged 37±11 years, with BMI = 26.5±5.1 kg.m⁻², HbA1c = 7.7±1.3% (61±14 mmol/mol) and V02 max (ml.min⁻¹.kg⁻¹) = 39.9±8.4 (range 22.4-58.6). TEE (36.3±5.5 kcal.kg⁻¹.day⁻¹) was strongly associated with CRF(39.9±8.4 ml.min⁻¹.kg⁻¹) independently of sex (r = 0.63, p<0.01). However, neither TEE (r = -0.20, p = 0.36) nor CRF (r = -0.20, p = 0.39; adjusted for sex), were significantly associated with mean glycaemia measured by CGMS.<h4>Conclusion</h4>Higher levels of energy expenditure (due to a more active lifestyle) are associated with increased cardiorespiratory fitness, but not necessarily better glycaemic control. Since increased levels of energy expenditure and good glycaemic control are both needed to protect against diabetes-related complications our data suggest they need to be achieved independently.
format	article
author	John Joseph Valletta Andrew J Chipperfield Geraldine F Clough Christopher D Byrne
author_facet	John Joseph Valletta Andrew J Chipperfield Geraldine F Clough Christopher D Byrne
author_sort	John Joseph Valletta
title	Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
title_short	Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
title_full	Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
title_fullStr	Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
title_full_unstemmed	Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
title_sort	daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/021e73c8cfa0406bb3ccb4624aa764f3
work_keys_str_mv	AT johnjosephvalletta dailyenergyexpenditurecardiorespiratoryfitnessandglycaemiccontrolinpeoplewithtype1diabetes AT andrewjchipperfield dailyenergyexpenditurecardiorespiratoryfitnessandglycaemiccontrolinpeoplewithtype1diabetes AT geraldinefclough dailyenergyexpenditurecardiorespiratoryfitnessandglycaemiccontrolinpeoplewithtype1diabetes AT christopherdbyrne dailyenergyexpenditurecardiorespiratoryfitnessandglycaemiccontrolinpeoplewithtype1diabetes
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Daily energy expenditure, cardiorespiratory fitness and glycaemic control in people with type 1 diabetes.

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