Diabetes, obesity & metabolism · 2023
Inverse association between glucose variability and body fat in type 2 diabetes with impaired endogenous insulin secretion assessed using continuous glucose monitoring: A prospective observational study.
Наблюдательное исследованиеМногоцентровое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Miya Aika, Nakamura Akinobu, Suzuki Yuka, Nomoto Hiroshi, Kameda Hiraku, Cho Kyu Yong, Ito Yoichi M, Nagai So, Miyoshi Hideaki, Atsumi Tatsuya
Аннотация
AIM: To evaluate the contribution of body fat mass and serum adiponectin concentration to glucose variability (GV) stability in people with type 2 diabetes with impaired versus preserved endogenous insulin secretion.
MATERIALS AND METHODS: This multicentre prospective observational study included 193 people with type 2 diabetes who underwent ambulatory continuous glucose monitoring, abdominal computed tomography and fasting blood sampling. A fasting C-peptide (FCP) concentration >2 ng/mL was defined as preserved endogenous insulin secretion. The participants were divided into high (FCP > 2 ng/mL) and low FCP subgroups (FCP ≤ 2 ng/mL). Multivariate regression analysis was performed in each subgroup.
RESULTS: In the high FCP subgroup, the coefficient of variation (CV) in GV was unrelated to abdominal fat area. In the low FCP subgroup, a high CV was significantly related to small abdominal visceral fat area (β = -0.11, standard error 0.03; P < 0.05) and to small subcutaneous fat area (β = -0.09, standard error 0.04; P < 0.05). No significant relationship between serum adiponectin concentration and continuous glucose monitoring-related variables was found.
CONCLUSIONS: The contribution of body fat mass to GV depends on the endogenous insulin secretion residue. A small body fat area has independent adverse effects on GV in people with type 2 diabetes and impaired endogenous insulin secretion.
MATERIALS AND METHODS: This multicentre prospective observational study included 193 people with type 2 diabetes who underwent ambulatory continuous glucose monitoring, abdominal computed tomography and fasting blood sampling. A fasting C-peptide (FCP) concentration >2 ng/mL was defined as preserved endogenous insulin secretion. The participants were divided into high (FCP > 2 ng/mL) and low FCP subgroups (FCP ≤ 2 ng/mL). Multivariate regression analysis was performed in each subgroup.
RESULTS: In the high FCP subgroup, the coefficient of variation (CV) in GV was unrelated to abdominal fat area. In the low FCP subgroup, a high CV was significantly related to small abdominal visceral fat area (β = -0.11, standard error 0.03; P < 0.05) and to small subcutaneous fat area (β = -0.09, standard error 0.04; P < 0.05). No significant relationship between serum adiponectin concentration and continuous glucose monitoring-related variables was found.
CONCLUSIONS: The contribution of body fat mass to GV depends on the endogenous insulin secretion residue. A small body fat area has independent adverse effects on GV in people with type 2 diabetes and impaired endogenous insulin secretion.