Abstract
Coronary heart disease (CHD) is one of the major causes of mortality and morbidity in patients with type 2 diabetes mellitus. In this study, we aimed to assess the association between visit-to-visit variability of fasting blood sugar (FBS), HbA1c, blood sugar 2 h post-prandial (BS2hpp), lipid indices, creatinine, systolic and diastolic blood pressure (SBP, DBP) and incident CHD in patients with type 2 diabetes during a median follow-up of ten years. The current case-cohort study consisted of 1500 individuals with type 2 diabetes, followed up for the occurrence of CHD from 2002 to 2019. The patients had at least four annual follow-ups during which glycemic and lipid profile were measured. Co-efficient of variance (CV) for each parameter was calculated by 10-21 measurements. Cox regression analysis was performed to assess the association between CV of glycemic indices, lipid profile, blood pressure, creatinine, weight and incident CHD during the follow-up period. Hazard ratios (HR) were adjusted for the confounding variables. Glycemic indices variability (i.e., CV-HbA1c, CV-FBS, and CV-BS2hpp), were significantly higher in the group with incident CHD (P=0.034, P=0.042, and P=0.044, respectively). Hazard ratios were 1.42 (95 % CI=1.13-2.09) for CV-HbA1c, 1.37 (95 % CI=1.02-2.10) for CV-FBS, and 1.16 (95 % CI=1.01-1.63) for CV-BS2hpp (P=0.012, P=0.046, P=0.038, respectively). Creatinine was significantly higher in the group with incident CHD (P=0.036) and it was significantly associated with higher incidence of CHD (HR=1.14, 95 % CI=1.02-2.17, P=0.048). Visit to visit variability of glycemic indices of the patients with type 2 diabetes is associated with incident CHD independent of their baseline and mean values.
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Abbreviations
- CHD:
-
Coronary heart disease
- DM:
-
Diabetes mellitus
- FBS:
-
Fasting blood sugar
- BS2hpp:
-
Blood sugar 2 h post-prandial
- HDL:
-
High-density lipoprotein
- LDL:
-
Low density lipoprotein
- TG:
-
Triglyceride
- SBP:
-
systolic blood pressure
- DBP:
-
diastolic blood pressure
- CV:
-
Co-efficient variance
- GV:
-
Glucose variability
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Authors wish to thank patients for their participation and kind cooperation.
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Alireza Esteghamati, Marjan Mouodi, and Soghra Rabizadeh contributed to conception. Fatemeh Moosaie, Alipasha Meysamie, and Fatemeh Dehghani Firouzabadi contributed to data analysis. Ali Sheikhy, Aida Fallahzadeh, and Niloofar Deravi contributed to drafting. Fatemeh Moosaie, Seyede Marzie Fatemi Abhari, and Manouchehr Nakhjavani contributed to revision.
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Fatemeh Moosaie and Marjan Mouodi contributed equally as co-first authors.
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Moosaie, F., Mouodi, M., Sheikhy, A. et al. Association between visit-to-visit variability of glycemic indices and lipid profile and the incidence of coronary heart disease in adults with type 2 diabetes. J Diabetes Metab Disord 20, 1715–1723 (2021). https://doi.org/10.1007/s40200-021-00930-z
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DOI: https://doi.org/10.1007/s40200-021-00930-z