Related Experiment Video
Updated: Aug 31, 2025

Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis
Published on: May 5, 2023
Clinical implications of vascular dysfunction in acute and convalescent COVID-19: A systematic review
Georgios Mavraganis1, Maria-Angeliki Dimopoulou1, Dimitrios Delialis1
1Department of Clinical Therapeutics, Alexandra Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.
Insights
COVID-19 infection harms vascular function, causing endothelial dysfunction and arterial stiffness. This dysfunction persists post-infection and is linked to poorer survival outcomes in patients.
Area of Science:
- Cardiovascular Medicine
- Infectious Diseases
- Pathophysiology
Background:
- Endothelial dysfunction is increasingly recognized as a key factor in COVID-19.
- Vascular impairment may correlate with COVID-19 severity and clinical symptoms.
- Assessing vascular function could improve risk stratification for COVID-19 patients.
Purpose of the Study:
- To systematically review the prevalence and prognostic significance of vascular dysfunction in COVID-19.
- To evaluate endothelial function and arterial stiffness during acute and post-COVID-19 recovery phases.
Main Methods:
- Systematic literature search of MEDLINE, clinicaltrials.gov, and Cochrane Library (Dec 2019–Mar 2022).
- Included 24 studies examining vascular function in laboratory-confirmed COVID-19 cases.
- Focused on flow-mediated dilation (FMD) and pulse wave velocity (PWV) measurements.
Main Results:
- A strong association between vascular dysfunction and COVID-19 was observed in most studies.
- Endothelial dysfunction and increased arterial stiffness correlated with reduced survival rates.
- These vascular changes were noted in both acute and post-recovery phases of COVID-19.
Conclusions:
- COVID-19 has a detrimental impact on endothelial function and arterial stiffness.
- These vascular abnormalities can persist for months after infection resolution.
- Vascular dysfunction markers hold prognostic value for COVID-19 patients, warranting further investigation.
Background:
Accumulating evidence suggests that endothelial dysfunction is implicated in the pathogenesis and severity of coronavirus disease 2019 (COVID-19). In this context, vascular impairment in COVID-19 might be associated with clinical manifestations and could refine risk stratification in these patients.
Methods:
This systematic review aims to synthesize current evidence on the frequency and the prognostic value of vascular dysfunction during acute and post-recovery COVID-19. After systematically searching the MEDLINE, clinicaltrials.gov and the Cochrane Library from 1 December 2019 until 05 March 2022, we identified 24 eligible studies with laboratory confirmed COVID-19 and a thorough examination of vascular function. Flow-mediated dilation (FMD) was assessed in 5 and 12 studies in acute and post-recovery phase respectively; pulse wave velocity (PWV) was the marker of interest in three studies in the acute and four studies in the post-recovery phase.
Results:
All studies except for one in the acute and in the post-recovery phase showed positive association between vascular dysfunction and COVID-19 infection. Endothelial dysfunction in two studies and increased arterial stiffness in three studies were related to inferior survival in COVID-19.
Discussion:
Overall, a detrimental effect of COVID-19 on markers of endothelial function and arterial stiffness that could persist even for months after the resolution of the infection and provide prognostic value was congruent across published studies. Further research is warranted to elucidate clinical implications of this association.
More Related Videos
Related Concept Videos
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Acute Kidney Injury II: Pathophysiology
Acute Kidney Injury III: Clinical Manifestations
Acute Coronary Syndrome V: Nursing Management
Acute Coronary Syndrome I: Introduction
Acute Kidney Injury I: Introduction

