{"title":"Impact of a COVID-19 emergency declaration on blood glucose levels in individuals with type 1 diabetes treated with a sensor-augmented pump.","authors":"Tomofumi Takayoshi, Yushi Hirota, Akane Yamamoto, Kai Yoshimura, Seiji Nishikage, Mariko Ueda, Wataru Ogawa","doi":"10.1007/s13340-025-00802-4","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>COVID-19 emergency declarations and ensuing lockdowns affected lifestyle and glycemic control in individuals with diabetes mellitus, with some studies finding improvement and others deterioration of glucose management. The effects of such emergency declarations in Asian populations, including individuals with type 1 diabetes (T1D) managed with a sensor-augmented pump (SAP), have been unclear, however. We here investigated the impact of a COVID-19 emergency declaration on glycemic control in Japanese individuals with T1D treated with a SAP device.</p><p><strong>Methods: </strong>This retrospective investigation included individuals with T1D who were managed with SAP technology and had continuous glucose monitoring including sensor glucose levels and time above range, time in range [TIR], and time below range and insulin dose data available in electronic health records from February to July 2020, corresponding to periods before, during, and after the declared emergency.</p><p><strong>Results: </strong>The 78 enrolled individuals had a mean age of 44.6 years, diabetes duration of 15.4 years, and hemoglobin A<sub>1c</sub> level of 7.3%. Average sensor glucose levels improved from 152.0 mg/dL before to 148.0 mg/dL during and 147.6 mg/dL after the emergency. TIR increased from 68.8% before to 71.3% during and 71.4% after the emergency. Total daily insulin dose decreased from 40.9 U before to 39.6 U after the emergency. After the emergency declaration, individuals with an initial TIR of ≤ 70% showed increased sensor adherence as well as a greater improvement in glycemic control compared with those with a TIR of > 70%.</p><p><strong>Conclusion: </strong>Individuals with T1D treated with a SAP device showed improved glycemic management after the COVID-19 emergency declaration.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s13340-025-00802-4.</p>","PeriodicalId":11340,"journal":{"name":"Diabetology International","volume":"16 2","pages":"379-384"},"PeriodicalIF":1.3000,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11954778/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Diabetology International","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s13340-025-00802-4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/4/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"ENDOCRINOLOGY & METABOLISM","Score":null,"Total":0}
Impact of a COVID-19 emergency declaration on blood glucose levels in individuals with type 1 diabetes treated with a sensor-augmented pump.
Introduction: COVID-19 emergency declarations and ensuing lockdowns affected lifestyle and glycemic control in individuals with diabetes mellitus, with some studies finding improvement and others deterioration of glucose management. The effects of such emergency declarations in Asian populations, including individuals with type 1 diabetes (T1D) managed with a sensor-augmented pump (SAP), have been unclear, however. We here investigated the impact of a COVID-19 emergency declaration on glycemic control in Japanese individuals with T1D treated with a SAP device.
Methods: This retrospective investigation included individuals with T1D who were managed with SAP technology and had continuous glucose monitoring including sensor glucose levels and time above range, time in range [TIR], and time below range and insulin dose data available in electronic health records from February to July 2020, corresponding to periods before, during, and after the declared emergency.
Results: The 78 enrolled individuals had a mean age of 44.6 years, diabetes duration of 15.4 years, and hemoglobin A1c level of 7.3%. Average sensor glucose levels improved from 152.0 mg/dL before to 148.0 mg/dL during and 147.6 mg/dL after the emergency. TIR increased from 68.8% before to 71.3% during and 71.4% after the emergency. Total daily insulin dose decreased from 40.9 U before to 39.6 U after the emergency. After the emergency declaration, individuals with an initial TIR of ≤ 70% showed increased sensor adherence as well as a greater improvement in glycemic control compared with those with a TIR of > 70%.
Conclusion: Individuals with T1D treated with a SAP device showed improved glycemic management after the COVID-19 emergency declaration.
Supplementary information: The online version contains supplementary material available at 10.1007/s13340-025-00802-4.
期刊介绍：
Diabetology International, the official journal of the Japan Diabetes Society, publishes original research articles about experimental research and clinical studies in diabetes and related areas. The journal also presents editorials, reviews, commentaries, reports of expert committees, and case reports on any aspect of diabetes. Diabetology International welcomes submissions from researchers, clinicians, and health professionals throughout the world who are interested in research, treatment, and care of patients with diabetes. All manuscripts are peer-reviewed to assure that high-quality information in the field of diabetes is made available to readers. Manuscripts are reviewed with due respect for the author''s confidentiality. At the same time, reviewers also have rights to confidentiality, which are respected by the editors. The journal follows a single-blind review procedure, where the reviewers are aware of the names and affiliations of the authors, but the reviewer reports provided to authors are anonymous. Single-blind peer review is the traditional model of peer review that many reviewers are comfortable with, and it facilitates a dispassionate critique of a manuscript.
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