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Time spent in hypoglycemia is comparable when the same amount of exercise is performed 5 or 2 days weekly: A randomized crossover study in people with type 1 diabetes

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@article{a6e4978dd8bd4c788e47e49cf5d03adf,
title = "Time spent in hypoglycemia is comparable when the same amount of exercise is performed 5 or 2 days weekly: A randomized crossover study in people with type 1 diabetes",
abstract = "Introduction People with type 1 diabetes are recommended to exercise regularly. However, limited evidence exists on how frequency and duration of exercise affect the risk of hypoglycemia. The study aimed to compare the percentage of time spent in hypoglycemia between two 5-day periods with different frequency and duration of physical activity. Research design and methods In this outpatient randomized crossover study, 26 participants aged 18-65 years with type 1 diabetes for ≥2 years and insulin pump use for ≥1 year were included. After a 7-day observation period, participants completed two 5-day intervention periods separated by a washout period of at least 14 days. One period included five exercise sessions on 5 consecutive days (5S), each consisting of 4 min of resistance training and 30 min of aerobic exercise. Another period included two exercise sessions on 2 days with at least 2 days in between (2S), each consisting of 10 min of resistance training and 75 min of aerobic exercise. During each period, participants performed in total 150 min of aerobic exercise and 20 min of resistance training and wore continuous glucose monitors (Dexcom G6) and accelerometers (ActiGraph wGT3X-BT). Results Twenty insulin pump-treated adults (10 women) with type 1 diabetes completed the study. The baseline median (range) age was 48 (24-64) years, glycated hemoglobin 55 (44-66) mmol/mol, diabetes duration 24 (8-57) years, and body mass index 28.4 (22.3-35.8) kg/m 2. No differences were observed between 5S and 2S in the percentage (mean±SD) of time spent below 3.9 mmol/L (3.5%±2.8% vs 4.5%±4.2%, p=0.28), time spent in 3.9-10.0 mmol/L (65.3%±15.0% vs 68.5%±13.6%, p=0.31), time spent above 10.0 mmol/L (31.2%±16.4% vs 27.3%±14.5%, p=0.15), mean glucose (8.7±1.3 mmol/L vs 8.5±1.2 mmol/L, p=0.33) and glycemic variability (35.8%±5.3% vs 35.8%±6.6%, p=0.97). Conclusions Time spent in hypoglycemia was comparable between the two 5-day periods with different duration and frequency of physical activity. Trial registration number NCT04089462. ",
keywords = "Adolescent, Adult, Aged, Cross-Over Studies, Diabetes Mellitus, Type 1/drug therapy, Exercise, Female, Humans, Hypoglycemia, Hypoglycemic Agents/therapeutic use, Male, Middle Aged, Young Adult",
author = "Steineck, {Isabelle Isa Kristin} and Ranjan, {Ajenthen G.} and Signe Schmidt and Kirsten Norgaard",
note = "Funding Information: Funding This study was funded by the Danish Diabetes Academy, which is funded by the Novo Nordisk Foundation. The Danish Diabetes Academy holds no rights to the study results. Publisher Copyright: {\textcopyright} Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.",
year = "2021",
month = jan,
day = "28",
doi = "10.1136/bmjdrc-2020-001919",
language = "English",
volume = "9",
journal = "BMJ Open Diabetes Research and Care",
issn = "2052-4897",
publisher = "BMJ Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Time spent in hypoglycemia is comparable when the same amount of exercise is performed 5 or 2 days weekly

T2 - A randomized crossover study in people with type 1 diabetes

AU - Steineck, Isabelle Isa Kristin

AU - Ranjan, Ajenthen G.

AU - Schmidt, Signe

AU - Norgaard, Kirsten

N1 - Funding Information: Funding This study was funded by the Danish Diabetes Academy, which is funded by the Novo Nordisk Foundation. The Danish Diabetes Academy holds no rights to the study results. Publisher Copyright: © Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

PY - 2021/1/28

Y1 - 2021/1/28

N2 - Introduction People with type 1 diabetes are recommended to exercise regularly. However, limited evidence exists on how frequency and duration of exercise affect the risk of hypoglycemia. The study aimed to compare the percentage of time spent in hypoglycemia between two 5-day periods with different frequency and duration of physical activity. Research design and methods In this outpatient randomized crossover study, 26 participants aged 18-65 years with type 1 diabetes for ≥2 years and insulin pump use for ≥1 year were included. After a 7-day observation period, participants completed two 5-day intervention periods separated by a washout period of at least 14 days. One period included five exercise sessions on 5 consecutive days (5S), each consisting of 4 min of resistance training and 30 min of aerobic exercise. Another period included two exercise sessions on 2 days with at least 2 days in between (2S), each consisting of 10 min of resistance training and 75 min of aerobic exercise. During each period, participants performed in total 150 min of aerobic exercise and 20 min of resistance training and wore continuous glucose monitors (Dexcom G6) and accelerometers (ActiGraph wGT3X-BT). Results Twenty insulin pump-treated adults (10 women) with type 1 diabetes completed the study. The baseline median (range) age was 48 (24-64) years, glycated hemoglobin 55 (44-66) mmol/mol, diabetes duration 24 (8-57) years, and body mass index 28.4 (22.3-35.8) kg/m 2. No differences were observed between 5S and 2S in the percentage (mean±SD) of time spent below 3.9 mmol/L (3.5%±2.8% vs 4.5%±4.2%, p=0.28), time spent in 3.9-10.0 mmol/L (65.3%±15.0% vs 68.5%±13.6%, p=0.31), time spent above 10.0 mmol/L (31.2%±16.4% vs 27.3%±14.5%, p=0.15), mean glucose (8.7±1.3 mmol/L vs 8.5±1.2 mmol/L, p=0.33) and glycemic variability (35.8%±5.3% vs 35.8%±6.6%, p=0.97). Conclusions Time spent in hypoglycemia was comparable between the two 5-day periods with different duration and frequency of physical activity. Trial registration number NCT04089462.

AB - Introduction People with type 1 diabetes are recommended to exercise regularly. However, limited evidence exists on how frequency and duration of exercise affect the risk of hypoglycemia. The study aimed to compare the percentage of time spent in hypoglycemia between two 5-day periods with different frequency and duration of physical activity. Research design and methods In this outpatient randomized crossover study, 26 participants aged 18-65 years with type 1 diabetes for ≥2 years and insulin pump use for ≥1 year were included. After a 7-day observation period, participants completed two 5-day intervention periods separated by a washout period of at least 14 days. One period included five exercise sessions on 5 consecutive days (5S), each consisting of 4 min of resistance training and 30 min of aerobic exercise. Another period included two exercise sessions on 2 days with at least 2 days in between (2S), each consisting of 10 min of resistance training and 75 min of aerobic exercise. During each period, participants performed in total 150 min of aerobic exercise and 20 min of resistance training and wore continuous glucose monitors (Dexcom G6) and accelerometers (ActiGraph wGT3X-BT). Results Twenty insulin pump-treated adults (10 women) with type 1 diabetes completed the study. The baseline median (range) age was 48 (24-64) years, glycated hemoglobin 55 (44-66) mmol/mol, diabetes duration 24 (8-57) years, and body mass index 28.4 (22.3-35.8) kg/m 2. No differences were observed between 5S and 2S in the percentage (mean±SD) of time spent below 3.9 mmol/L (3.5%±2.8% vs 4.5%±4.2%, p=0.28), time spent in 3.9-10.0 mmol/L (65.3%±15.0% vs 68.5%±13.6%, p=0.31), time spent above 10.0 mmol/L (31.2%±16.4% vs 27.3%±14.5%, p=0.15), mean glucose (8.7±1.3 mmol/L vs 8.5±1.2 mmol/L, p=0.33) and glycemic variability (35.8%±5.3% vs 35.8%±6.6%, p=0.97). Conclusions Time spent in hypoglycemia was comparable between the two 5-day periods with different duration and frequency of physical activity. Trial registration number NCT04089462.

KW - Adolescent

KW - Adult

KW - Aged

KW - Cross-Over Studies

KW - Diabetes Mellitus, Type 1/drug therapy

KW - Exercise

KW - Female

KW - Humans

KW - Hypoglycemia

KW - Hypoglycemic Agents/therapeutic use

KW - Male

KW - Middle Aged

KW - Young Adult

UR - http://www.scopus.com/inward/record.url?scp=85100316643&partnerID=8YFLogxK

U2 - 10.1136/bmjdrc-2020-001919

DO - 10.1136/bmjdrc-2020-001919

M3 - Journal article

C2 - 33509935

AN - SCOPUS:85100316643

VL - 9

JO - BMJ Open Diabetes Research and Care

JF - BMJ Open Diabetes Research and Care

SN - 2052-4897

IS - 1

M1 - bmjdrc-2020-001919

ER -

ID: 68200586