Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes

ABSTRACT Aim The concept of metabolically healthy obesity (MHO) has not been studied in type 1 diabetes (T1D). By analysing datasets from the DCCT/EDIC study, we compared the development of diabetic complications by obesity and metabolic health over 30 years of follow up. Materials and Methods Insul...

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Main Authors: Yuanjie Mao, Jen‐Tzer Gau, Ning Jiang
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Endocrinology, Diabetes & Metabolism
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Online Access:https://doi.org/10.1002/edm2.70017
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author Yuanjie Mao
Jen‐Tzer Gau
Ning Jiang
author_facet Yuanjie Mao
Jen‐Tzer Gau
Ning Jiang
author_sort Yuanjie Mao
collection DOAJ
description ABSTRACT Aim The concept of metabolically healthy obesity (MHO) has not been studied in type 1 diabetes (T1D). By analysing datasets from the DCCT/EDIC study, we compared the development of diabetic complications by obesity and metabolic health over 30 years of follow up. Materials and Methods Insulin resistance was calculated by estimated glucose disposal rate (eGDR). The participants (n = 1127) were then divided into four groups based on time‐weighted mean body mass index and mean eGDR: metabolically healthy non‐obesity (MHN, n = 874), metabolically unhealthy non‐obesity (MUN, n = 66), MHO (n = 146) and metabolically unhealthy obesity (MUO, n = 41). Diabetic complications and cardiovascular events were compared across the four groups. Results MUO and MUN groups had significantly higher risk for peripheral neuropathy (p = 0.001 in MUO and p < 0.001 in MUN vs. MHN), cardiac autonomic neuropathy (p < 0.001 in both MUO and MUN vs. MHN), retinopathy (p = 0.001 in MUO and p < 0.001 in MUN vs. MHN) and microalbuminuria (p < 0.001 in both MUO and MUN vs. MHN) than MHN group. Moreover, MUO and MUN groups had significantly higher risks (HR [95%CI]) in any cardiovascular events (2.78 [1.51–5.11] and 1.88 [1.05–3.36]) and major atherosclerotic cardiovascular events (2.72 [1.16–6.37] and 2.31 [1.05–5.10]) compared to MHN group. However, the risk of these complications and cardiovascular events (except peripheral neuropathy and cardiac autonomic neuropathy) in MHO group was not different from that in MHN group. Conclusions This study highlights the importance of metabolic health represented by insulin resistance in the development of diabetic complications and cardiovascular events in T1D beyond their weight status.
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spelling doaj-art-da46b616ef74430896286aa17f190f0d2025-01-25T18:20:28ZengWileyEndocrinology, Diabetes & Metabolism2398-92382025-01-0181n/an/a10.1002/edm2.70017Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 DiabetesYuanjie Mao0Jen‐Tzer Gau1Ning Jiang2Diabetes Institute Ohio University Athens Ohio USADepartment of Primary Care, Heritage College of Osteopathic Medicine Ohio University Athens Ohio USACardiology Clinic LifeBridge Health Cardiovascular Institute Westminster Maryland USAABSTRACT Aim The concept of metabolically healthy obesity (MHO) has not been studied in type 1 diabetes (T1D). By analysing datasets from the DCCT/EDIC study, we compared the development of diabetic complications by obesity and metabolic health over 30 years of follow up. Materials and Methods Insulin resistance was calculated by estimated glucose disposal rate (eGDR). The participants (n = 1127) were then divided into four groups based on time‐weighted mean body mass index and mean eGDR: metabolically healthy non‐obesity (MHN, n = 874), metabolically unhealthy non‐obesity (MUN, n = 66), MHO (n = 146) and metabolically unhealthy obesity (MUO, n = 41). Diabetic complications and cardiovascular events were compared across the four groups. Results MUO and MUN groups had significantly higher risk for peripheral neuropathy (p = 0.001 in MUO and p < 0.001 in MUN vs. MHN), cardiac autonomic neuropathy (p < 0.001 in both MUO and MUN vs. MHN), retinopathy (p = 0.001 in MUO and p < 0.001 in MUN vs. MHN) and microalbuminuria (p < 0.001 in both MUO and MUN vs. MHN) than MHN group. Moreover, MUO and MUN groups had significantly higher risks (HR [95%CI]) in any cardiovascular events (2.78 [1.51–5.11] and 1.88 [1.05–3.36]) and major atherosclerotic cardiovascular events (2.72 [1.16–6.37] and 2.31 [1.05–5.10]) compared to MHN group. However, the risk of these complications and cardiovascular events (except peripheral neuropathy and cardiac autonomic neuropathy) in MHO group was not different from that in MHN group. Conclusions This study highlights the importance of metabolic health represented by insulin resistance in the development of diabetic complications and cardiovascular events in T1D beyond their weight status.https://doi.org/10.1002/edm2.70017cardiovascular eventscomplicationsmetabolic healthobesitytype 1 diabetes mellitus
spellingShingle Yuanjie Mao
Jen‐Tzer Gau
Ning Jiang
Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes
Endocrinology, Diabetes & Metabolism
cardiovascular events
complications
metabolic health
obesity
type 1 diabetes mellitus
title Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes
title_full Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes
title_fullStr Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes
title_full_unstemmed Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes
title_short Obesity, Metabolic Health, and Diabetic Complications in People With Type 1 Diabetes
title_sort obesity metabolic health and diabetic complications in people with type 1 diabetes
topic cardiovascular events
complications
metabolic health
obesity
type 1 diabetes mellitus
url https://doi.org/10.1002/edm2.70017
work_keys_str_mv AT yuanjiemao obesitymetabolichealthanddiabeticcomplicationsinpeoplewithtype1diabetes
AT jentzergau obesitymetabolichealthanddiabeticcomplicationsinpeoplewithtype1diabetes
AT ningjiang obesitymetabolichealthanddiabeticcomplicationsinpeoplewithtype1diabetes