The Scope of HbA1c Variability and Risk of Vascular Complications Among Patients with Type 2 Diabetes: A Systematic Review and Meta-Analysis of Prospective Studies
Horm Metab Res 2022; 54: 94-103 DOI: 10.1055/a-1730-4904Glycated hemoglobin (HbA1c) variability is emerging as an indicator of long-term
glycemic control, which may play a significant role during vascular
complications. We conducted a systematic review and meta-analysis to assess the
association between the scope of HbA1c variability and vascular complications in
patients with type 2 diabetes mellitus. PubMed and Embase were searched for
studies that evaluated the association of HbA1c variability with vascular
complications in patients with type 2 diabetes. Two reviewers independently
completed data extraction. Random-effects meta-analysis was conducted with
stratification according to the type of vascular complications. Nine studies
were eligible for inclusion in our systematic review and meta-analysis. Six
studies evaluated the impact of the standard deviation of HbA1c (HbA1c-SD) on
cardiovascular events and showed an association of HbA1c-SD with cardiovascular
events (HR: 1.25, 95% CI 1.18–1.32, 5 studies). Six studies
evaluated renal disease associated with HbA1c-SD and showed that HbA1c-SD was
correlated with an increased risk of renal disease (HR: 1.19, 95% CI
1.13–1.24). Two studies evaluated HbA1c-SD and the risk of retinopathy
and showed that no significant association was found between retinopathy and
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Source: Hormone and Metabolic Research - Category: Endocrinology Authors: Guo, Kai Zhao, Qian Wang, Meng Lu, Yuchun Wo, Meihong Zhou, Xiaoyan Ying, Changjiang Tags: Endocrine Care Source Type: research
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