Nikhil Prasad Fact checked by:Thailand Medical News Team Mar 20, 2026 1 hour, 58 minutes ago
Medical News: A new study has revealed a worrying link between metabolic health issues and worsening blood vessel damage in people suffering from long COVID, shedding light on why some patients face prolonged and potentially dangerous complications months after infection.
Metabolic health issues dramatically worsen blood vessel damage in long COVID patients, raising long-term heart risks
Understanding Long COVID and Hidden Risks
Long COVID refers to lingering symptoms that persist for months after a person recovers from the initial COVID-19 infection. These symptoms can range from fatigue and brain fog to more serious complications involving the heart and blood vessels.
In this
Medical News report, researchers explored how metabolic syndrome—a cluster of conditions including high blood pressure, abdominal obesity, high blood sugar, abnormal cholesterol, and elevated triglycerides—affects blood vessel health in long COVID patients.
The research team included experts from the Primary Care Research Unit of Salamanca (APISAL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca Primary Care Management (SACyL), Castilla and León Health Service (SACYL), University Hospital of La Paz in Madrid, Research Network on Chronicity Primary Care and Health Promotion (RICAPPS), University of Salamanca, Department of Biomedical and Diagnostic Sciences University of Salamanca, and Marqués of Valdecilla University Hospital in Santander, Spain.
Study Details and What Researchers Measured
The study examined 304 adults diagnosed with long COVID. Researchers used advanced techniques to measure blood vessel health, including artery thickness and stiffness—two key indicators of cardiovascular risk.
They specifically looked at how many components of metabolic syndrome each patient had and whether having more of these components worsened vascular damage.
Key Findings That Raise Concern
The results were striking. Patients with more metabolic syndrome components showed significantly worse blood vessel health.
One of the clearest patterns was that as the number of metabolic issues increased, so did arterial stiffness—a condition where blood vessels become less flexible. This is a known risk factor for heart attacks and strokes.
Waist size, a marker of abdominal obesity, emerged as a major driver of damage. Larger waist circumference was consistently linked to thicker artery walls and faster vascular aging.
High blood pressure was another major factor, strongly associated with worsening blood vessel function across multiple measurements.
Interestingly, lower levels of “good” HDL cholesterol were linked to poorer vascular health, while higher triglycerides also contributed to increased stiffness.
The study also found that patients with metabolic syndrome were
far more likely to show signs of accelerated vascular aging, meaning their blood vessels were behaving like those of much older individuals.
Why This Happens
Researchers believe this effect is due to a combination of factors. Long COVID itself is associated with ongoing inflammation and damage to the inner lining of blood vessels.
At the same time, metabolic syndrome creates chronic stress on the body through insulin resistance, inflammation, and oxidative stress.
When these two conditions occur together, they appear to amplify each other, leading to faster and more severe damage to the vascular system.
Differences Between Individuals
The study noted that men generally had worse metabolic profiles and more severe vascular damage compared to women. However, women still showed clear worsening trends when metabolic syndrome components increased.
Overall, nearly one in four participants had metabolic syndrome, highlighting how common this risk factor is among long COVID patients.
What This Means for Patients
The findings suggest that long COVID patients should not only focus on managing their symptoms but also pay close attention to their metabolic health. Simple steps such as maintaining a healthy weight, controlling blood pressure, improving diet, and staying physically active could play a crucial role in preventing long-term complications.
Conclusion
The study clearly shows that metabolic syndrome significantly worsens blood vessel damage in people with long COVID, accelerating vascular aging and increasing cardiovascular risk. These findings highlight the urgent need for early screening and aggressive management of metabolic health in long COVID patients, as addressing these risk factors may help reduce long-term complications and improve overall outcomes in this growing patient population.
The study findings were published in the peer reviewed Journal of Clinical Medicine.
https://www.mdpi.com/2077-0383/15/6/2348
For the latest on Long COVID, keep on logging to Thailand
Medical News.
Read Also:
https://www.thailandmedical.news/articles/coronavirus
https://www.thailandmedical.news/articles/long-covid
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