Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus

Abstract Background and aim The Coronavirus Disease 2019 (COVID-19) pandemic has disproportionately affected individuals with Type 2 Diabetes Mellitus (T2DM), making them more susceptible to viral infections. Additionally, COVID-19 and the associated lockdown restrictions have influenced metabolic r...

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Main Authors: Motahare Shabestari, Forouzan Salari, Reyhaneh Azizi, Akram Ghadiri-Anari, Nasim Namiranian
Format: Article
Language:English
Published: BMC 2025-02-01
Series:BMC Pulmonary Medicine
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Online Access:https://doi.org/10.1186/s12890-025-03529-9
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author Motahare Shabestari
Forouzan Salari
Reyhaneh Azizi
Akram Ghadiri-Anari
Nasim Namiranian
author_facet Motahare Shabestari
Forouzan Salari
Reyhaneh Azizi
Akram Ghadiri-Anari
Nasim Namiranian
author_sort Motahare Shabestari
collection DOAJ
description Abstract Background and aim The Coronavirus Disease 2019 (COVID-19) pandemic has disproportionately affected individuals with Type 2 Diabetes Mellitus (T2DM), making them more susceptible to viral infections. Additionally, COVID-19 and the associated lockdown restrictions have influenced metabolic regulatory mechanisms in this population. This study aims to evaluate the impact of COVID-19 infection and lockdown measures on physiological parameters in individuals with T2DM. Methods This retrospective cohort study included 118 individuals with a prior diagnosis of T2DM. Medical records were reviewed for laboratory tests conducted within three months before the onset of the COVID-19 pandemic in Iran. Fifty-nine patients with confirmed COVID-19 infection during the first three months of the pandemic underwent follow-up laboratory tests six months post-diagnosis. An age- and gender-matched group of 59 noninfected individuals underwent follow-up tests six months after the pandemic’s onset. Clinical and laboratory parameters were analyzed and compared within each group. Results In the COVID-19 positive group, significant reductions were observed in triglycerides (TG) (P = 0.001), total cholesterol (TC) (P = 0.028), body mass index (BMI) (P = 0.034), atherogenic index of plasma (AIP) (P = 0.027), triglyceride-glucose (TyG) index (P = 0.001), and triglyceride-glucose-BMI (TyG-BMI) index (P < 0.001) during the six months following infection compared to pre-pandemic levels. Other variables remained unchanged. In the COVID-19 negative group, significant reductions were noted in TC (P = 0.001) and low-density lipoprotein cholesterol (LDL-C) (P = 0.01). Conclusion T2DM patients with mild to moderate COVID-19 infection exhibited improvements in TC, TG, BMI, and insulin-related indices. Lockdown restrictions were associated with decreased TC and LDL-C levels in T2DM patients without a history of COVID-19 infection.
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spelling doaj-art-62a34d51ed444142b7094e2c533fe11a2025-02-09T12:09:38ZengBMCBMC Pulmonary Medicine1471-24662025-02-012511710.1186/s12890-025-03529-9Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitusMotahare Shabestari0Forouzan Salari1Reyhaneh Azizi2Akram Ghadiri-Anari3Nasim Namiranian4Yazd Cardiovascular Research Center, Non-Communicable Diseases Research Institute, Shahid Sadoughi University of Medical SciencesShahid Sadoughi University of Medical SciencesDiabetic Research Center, Shahid Sadoughi University of Medical SciencesDiabetic Research Center, Shahid Sadoughi University of Medical SciencesDiabetic Research Center, Shahid Sadoughi University of Medical SciencesAbstract Background and aim The Coronavirus Disease 2019 (COVID-19) pandemic has disproportionately affected individuals with Type 2 Diabetes Mellitus (T2DM), making them more susceptible to viral infections. Additionally, COVID-19 and the associated lockdown restrictions have influenced metabolic regulatory mechanisms in this population. This study aims to evaluate the impact of COVID-19 infection and lockdown measures on physiological parameters in individuals with T2DM. Methods This retrospective cohort study included 118 individuals with a prior diagnosis of T2DM. Medical records were reviewed for laboratory tests conducted within three months before the onset of the COVID-19 pandemic in Iran. Fifty-nine patients with confirmed COVID-19 infection during the first three months of the pandemic underwent follow-up laboratory tests six months post-diagnosis. An age- and gender-matched group of 59 noninfected individuals underwent follow-up tests six months after the pandemic’s onset. Clinical and laboratory parameters were analyzed and compared within each group. Results In the COVID-19 positive group, significant reductions were observed in triglycerides (TG) (P = 0.001), total cholesterol (TC) (P = 0.028), body mass index (BMI) (P = 0.034), atherogenic index of plasma (AIP) (P = 0.027), triglyceride-glucose (TyG) index (P = 0.001), and triglyceride-glucose-BMI (TyG-BMI) index (P < 0.001) during the six months following infection compared to pre-pandemic levels. Other variables remained unchanged. In the COVID-19 negative group, significant reductions were noted in TC (P = 0.001) and low-density lipoprotein cholesterol (LDL-C) (P = 0.01). Conclusion T2DM patients with mild to moderate COVID-19 infection exhibited improvements in TC, TG, BMI, and insulin-related indices. Lockdown restrictions were associated with decreased TC and LDL-C levels in T2DM patients without a history of COVID-19 infection.https://doi.org/10.1186/s12890-025-03529-9Type 2 diabetesCOVID-19Metabolic profileCohort study
spellingShingle Motahare Shabestari
Forouzan Salari
Reyhaneh Azizi
Akram Ghadiri-Anari
Nasim Namiranian
Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus
BMC Pulmonary Medicine
Type 2 diabetes
COVID-19
Metabolic profile
Cohort study
title Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus
title_full Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus
title_fullStr Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus
title_full_unstemmed Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus
title_short Impact of COVID-19 on metabolic parameters in patients with type 2 diabetes mellitus
title_sort impact of covid 19 on metabolic parameters in patients with type 2 diabetes mellitus
topic Type 2 diabetes
COVID-19
Metabolic profile
Cohort study
url https://doi.org/10.1186/s12890-025-03529-9
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