Journal article 1018 views
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race
Sam N. Scott,
Mark P. Christiansen,
Federico Y. Fontana,
Christoph Stettler,
Richard Bracken
,
Charlotte A. Hayes,
Miles Fisher,
Bruce Bode,
Peter H. Lagrou,
Phil Southerland,
Michael C. Riddell
Diabetes Care, Volume: 43, Issue: 5, Pages: 1142 - 1145
Swansea University Author:
Richard Bracken
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DOI (Published version): 10.2337/dc19-2302
Abstract
OBJECTIVE To investigate factors related to glycemic management among members of a professional cycling team with type 1 diabetes over a 7-day Union Cycliste Internationale World Tour stage race.RESEARCH DESIGN AND METHODS An observational evaluation of possible factors related to glycemic managemen...
Published in: | Diabetes Care |
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ISSN: | 0149-5992 1935-5548 |
Published: |
American Diabetes Association
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa55188 |
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<?xml version="1.0"?><rfc1807><datestamp>2020-11-05T15:27:11.8167569</datestamp><bib-version>v2</bib-version><id>55188</id><entry>2020-09-16</entry><title>Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race</title><swanseaauthors><author><sid>f5da81cd18adfdedb2ccb845bddc12f7</sid><ORCID>0000-0002-6986-6449</ORCID><firstname>Richard</firstname><surname>Bracken</surname><name>Richard Bracken</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2020-09-16</date><deptcode>STSC</deptcode><abstract>OBJECTIVE To investigate factors related to glycemic management among members of a professional cycling team with type 1 diabetes over a 7-day Union Cycliste Internationale World Tour stage race.RESEARCH DESIGN AND METHODS An observational evaluation of possible factors related to glycemic management and performance in six male professional cyclists with type 1 diabetes (HbA1c 6.4 ± 0.6%) during the 2019 Tour of California.RESULTS In-ride time spent in euglycemia (3.9–10.0 mmol/L glucose) was 63 ± 11%, with a low percentage of time spent in level 1 (3.0–3.9 mmol/L; 0 ± 1% of time) and level 2 (<3.0 mmol/L; 0 ± 0% of time) hypoglycemia over the 7-day race. Riders spent 25 ± 9% of time in level 1 (10.1–13.9 mmol/L) and 11 ± 9% in level 2 (>13.9 mmol/L) hyperglycemia during races. Bolus insulin use was uncommon during races, despite high carbohydrate intake (76 ± 23 g ⋅ h−1). Overnight, the riders spent progressively more time in hypoglycemia from day 1 (6 ± 12% in level 1 and 0 ± 0% in level 2) to day 7 (12 ± 12% in level 1 and 2 ± 4% in level 2) (χ2[1] > 4.78, P < 0.05).CONCLUSIONS Professional cyclists with type 1 diabetes have excellent in-race glycemia, but significant hypoglycemia during recovery overnight, throughout a 7-day stage race.</abstract><type>Journal Article</type><journal>Diabetes Care</journal><volume>43</volume><journalNumber>5</journalNumber><paginationStart>1142</paginationStart><paginationEnd>1145</paginationEnd><publisher>American Diabetes Association</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0149-5992</issnPrint><issnElectronic>1935-5548</issnElectronic><keywords/><publishedDay>1</publishedDay><publishedMonth>5</publishedMonth><publishedYear>2020</publishedYear><publishedDate>2020-05-01</publishedDate><doi>10.2337/dc19-2302</doi><url/><notes/><college>COLLEGE NANME</college><department>Sport and Exercise Sciences</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>STSC</DepartmentCode><institution>Swansea University</institution><apcterm/><lastEdited>2020-11-05T15:27:11.8167569</lastEdited><Created>2020-09-16T15:43:16.7715456</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences</level></path><authors><author><firstname>Sam N.</firstname><surname>Scott</surname><order>1</order></author><author><firstname>Mark P.</firstname><surname>Christiansen</surname><order>2</order></author><author><firstname>Federico Y.</firstname><surname>Fontana</surname><order>3</order></author><author><firstname>Christoph</firstname><surname>Stettler</surname><order>4</order></author><author><firstname>Richard</firstname><surname>Bracken</surname><orcid>0000-0002-6986-6449</orcid><order>5</order></author><author><firstname>Charlotte A.</firstname><surname>Hayes</surname><order>6</order></author><author><firstname>Miles</firstname><surname>Fisher</surname><order>7</order></author><author><firstname>Bruce</firstname><surname>Bode</surname><order>8</order></author><author><firstname>Peter H.</firstname><surname>Lagrou</surname><order>9</order></author><author><firstname>Phil</firstname><surname>Southerland</surname><order>10</order></author><author><firstname>Michael C.</firstname><surname>Riddell</surname><order>11</order></author></authors><documents/><OutputDurs/></rfc1807> |
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2020-11-05T15:27:11.8167569 v2 55188 2020-09-16 Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race f5da81cd18adfdedb2ccb845bddc12f7 0000-0002-6986-6449 Richard Bracken Richard Bracken true false 2020-09-16 STSC OBJECTIVE To investigate factors related to glycemic management among members of a professional cycling team with type 1 diabetes over a 7-day Union Cycliste Internationale World Tour stage race.RESEARCH DESIGN AND METHODS An observational evaluation of possible factors related to glycemic management and performance in six male professional cyclists with type 1 diabetes (HbA1c 6.4 ± 0.6%) during the 2019 Tour of California.RESULTS In-ride time spent in euglycemia (3.9–10.0 mmol/L glucose) was 63 ± 11%, with a low percentage of time spent in level 1 (3.0–3.9 mmol/L; 0 ± 1% of time) and level 2 (<3.0 mmol/L; 0 ± 0% of time) hypoglycemia over the 7-day race. Riders spent 25 ± 9% of time in level 1 (10.1–13.9 mmol/L) and 11 ± 9% in level 2 (>13.9 mmol/L) hyperglycemia during races. Bolus insulin use was uncommon during races, despite high carbohydrate intake (76 ± 23 g ⋅ h−1). Overnight, the riders spent progressively more time in hypoglycemia from day 1 (6 ± 12% in level 1 and 0 ± 0% in level 2) to day 7 (12 ± 12% in level 1 and 2 ± 4% in level 2) (χ2[1] > 4.78, P < 0.05).CONCLUSIONS Professional cyclists with type 1 diabetes have excellent in-race glycemia, but significant hypoglycemia during recovery overnight, throughout a 7-day stage race. Journal Article Diabetes Care 43 5 1142 1145 American Diabetes Association 0149-5992 1935-5548 1 5 2020 2020-05-01 10.2337/dc19-2302 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2020-11-05T15:27:11.8167569 2020-09-16T15:43:16.7715456 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences Sam N. Scott 1 Mark P. Christiansen 2 Federico Y. Fontana 3 Christoph Stettler 4 Richard Bracken 0000-0002-6986-6449 5 Charlotte A. Hayes 6 Miles Fisher 7 Bruce Bode 8 Peter H. Lagrou 9 Phil Southerland 10 Michael C. Riddell 11 |
title |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race |
spellingShingle |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race Richard Bracken |
title_short |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race |
title_full |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race |
title_fullStr |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race |
title_full_unstemmed |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race |
title_sort |
Evaluation of Factors Related to Glycemic Management in Professional Cyclists With Type 1 Diabetes Over a 7-Day Stage Race |
author_id_str_mv |
f5da81cd18adfdedb2ccb845bddc12f7 |
author_id_fullname_str_mv |
f5da81cd18adfdedb2ccb845bddc12f7_***_Richard Bracken |
author |
Richard Bracken |
author2 |
Sam N. Scott Mark P. Christiansen Federico Y. Fontana Christoph Stettler Richard Bracken Charlotte A. Hayes Miles Fisher Bruce Bode Peter H. Lagrou Phil Southerland Michael C. Riddell |
format |
Journal article |
container_title |
Diabetes Care |
container_volume |
43 |
container_issue |
5 |
container_start_page |
1142 |
publishDate |
2020 |
institution |
Swansea University |
issn |
0149-5992 1935-5548 |
doi_str_mv |
10.2337/dc19-2302 |
publisher |
American Diabetes Association |
college_str |
Faculty of Science and Engineering |
hierarchytype |
|
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facultyofscienceandengineering |
hierarchy_top_title |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences |
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description |
OBJECTIVE To investigate factors related to glycemic management among members of a professional cycling team with type 1 diabetes over a 7-day Union Cycliste Internationale World Tour stage race.RESEARCH DESIGN AND METHODS An observational evaluation of possible factors related to glycemic management and performance in six male professional cyclists with type 1 diabetes (HbA1c 6.4 ± 0.6%) during the 2019 Tour of California.RESULTS In-ride time spent in euglycemia (3.9–10.0 mmol/L glucose) was 63 ± 11%, with a low percentage of time spent in level 1 (3.0–3.9 mmol/L; 0 ± 1% of time) and level 2 (<3.0 mmol/L; 0 ± 0% of time) hypoglycemia over the 7-day race. Riders spent 25 ± 9% of time in level 1 (10.1–13.9 mmol/L) and 11 ± 9% in level 2 (>13.9 mmol/L) hyperglycemia during races. Bolus insulin use was uncommon during races, despite high carbohydrate intake (76 ± 23 g ⋅ h−1). Overnight, the riders spent progressively more time in hypoglycemia from day 1 (6 ± 12% in level 1 and 0 ± 0% in level 2) to day 7 (12 ± 12% in level 1 and 2 ± 4% in level 2) (χ2[1] > 4.78, P < 0.05).CONCLUSIONS Professional cyclists with type 1 diabetes have excellent in-race glycemia, but significant hypoglycemia during recovery overnight, throughout a 7-day stage race. |
published_date |
2020-05-01T04:09:13Z |
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1763753646997110784 |
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11.021648 |