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Effect of hyperglycemia on the immune function of COVID-19 patients with type 2 diabetes mellitus: a retrospective study.
Wang, Ye; Yi, Bo; Wang, Shujun; Chen, Xiaolin; Wen, Zhongyuan.
  • Wang Y; Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
  • Yi B; Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
  • Wang S; Department of Obstetrics and Gynaecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
  • Chen X; Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
  • Wen Z; Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
PeerJ ; 10: e14570, 2022.
Article in English | MEDLINE | ID: covidwho-2203238
ABSTRACT

Purpose:

To analyze the clinical characteristics and immune function parameters and to explore the effect of hyperglycemia on the immune function in patients with Corona Virus Disease 2019 (COVID-19) with type 2 diabetes mellitus (T2DM).

Methods:

This retrospective study included patients with COVID-19 with T2DM hospitalized in Renmin Hospital of Wuhan University between January 31, 2020, and February 10, 2020. The clinical data were collected and patients were divided into a well-controlled group (blood glucose 3.9-10.0 mmol/L) and a poorly-controlled group (blood glucose >10.0 mmol/L). The differences in routine blood tests, peripheral lymphocyte subsets, humoral immune components, C-reactive protein (CRP) level, and cytokines were compared, and the correlation between blood glucose and immune parameters as well as the severity of the disease was analyzed.

Results:

A total of 65 patients with COVID-19 and T2DM were included in the final analysis. Compared with the well-controlled group, patients in the poorly-controlled group had decreased lymphocytes, CD16+ 56+ NK cells, CD3+ T cells, CD8+ T cells and increased neutrophil percentage, IL-6 levels, CRP levels and serum concentration of IgA. Blood glucose was inversely correlated with CD16+ 56+ NK cells, CD3+ T cells, CD4+ T cells, and CD8+ T cells and positively correlated with IL-6 and CRP levels. There was a positive correlation between blood glucose and the severity of the COVID-19.

Conclusion:

Hyperglycemia will aggravate the immune dysfunction of COVID-19 patients with T2DM and affect the severity of COVID-19.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Diabetes Mellitus, Type 2 / COVID-19 / Hyperglycemia Type of study: Experimental Studies / Observational study Limits: Humans Language: English Journal: PeerJ Year: 2022 Document Type: Article Affiliation country: Peerj.14570

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Diabetes Mellitus, Type 2 / COVID-19 / Hyperglycemia Type of study: Experimental Studies / Observational study Limits: Humans Language: English Journal: PeerJ Year: 2022 Document Type: Article Affiliation country: Peerj.14570