Effect of postprandial moderate-intensity walking for 15-min on glucose homeostasis in type 2 diabetes mellitus patients
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ORIGINAL ARTICLE
Effect of postprandial moderate‑intensity walking for 15‑min on glucose homeostasis in type 2 diabetes mellitus patients Yuji Iida1,2 · Soichi Takeishi3 · Nobutoshi Fushimi3 · Kazuhiko Tanaka1 · Akihiro Mori3 · Yuzo Sato4 Received: 30 December 2018 / Accepted: 19 March 2020 © The Japan Diabetes Society 2020
Abstract Aim Diabetes patients usually have a low activity level and complain about lack of time. Therefore, we investigated the effect of short time, postprandial moderate-intensity exercise on glucose homeostasis in type 2 diabetes patients. Methods Eleven patients with type 2 diabetes were recruited. Patients spent the first day of the study without exercise (nonexercise day; NE day). In the second day, they walked at moderate-intensity (40% of the maximum heart rate reserve) for 15 min, 30 min after each meal (exercise day; E day). Glucose homeostasis was estimated by a continuous glucose monitor (CGM). All meals during the study were of standard composition. We compared NE day and E day concerning 24-h glucose homeostasis and 3 h postprandial glucose levels by the incremental area under the curve (iAUC) method. Medications were not changed during the study. Results The number of patients under basal supported oral therapy, intensive insulin therapy and oral hypoglycemic agents (OHA) were 5, 4 and 2, respectively. The blood glucose standard deviation over 24 h and the iAUC for the 24-h glycemic variability (NE day vs. E day; 34,765 [21,424–56,014] vs. 23,205 [15,323–39,779]) were smaller in E day than in NE day. Conclusion These results suggest that postprandial moderate-intensity walking, easily performable in daily life activities, was effective for improving glucose homeostasis. Further study should be performed to clarify the relationship between postprandial walk and drug therapy (insulin and OHA), including insulin secretory ability. Keywords Postprandial hyperglycemia · Exercise therapy · Acute effect · Continuous glucose monitoring (CGM) · Postprandial walking · Incremental area under the curve (iAUC)
Introduction Exercise therapy has long been recognized as an important factor in the treatment of diabetes mellitus [1]. The Japan Diabetes Society carried out a nationwide survey using selfrecording questionnaires for out-patients with diabetes [2]. * Yuji Iida [email protected] 1
Department of Rehabilitation, Ichinomiyanishi Hospital, Hira 1, Kaimei, Ichinomiya, Aichi 494‑0001, Japan
2
Department of Sports Medicine, Graduate School of Medicine, Nagoya University, 65 Tsurumai‑cho, Showa‑ku, Nagoya, Aichi 466‑8550, Japan
3
Department of Endocrinology and Diabetes, Ichinomiyanishi Hospital, Hira 1, Kaimei, Ichinomiya, Aichi 494‑0001, Japan
4
The Graduate Center of Human Sciences, Aichi Mizuho College, 2‑13, Shunko‑cho, Mizuho‑ku, Nagoya, Aichi 467‑0867, Japan
According to the results, exercise therapy had poor compliance because of the lack of physical exercise educators. The percentage of exercise therapy adherence was significantly lower than that of diet
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