By Melissa Patrick
Kentucky Health News
State and federal measurements of Covid-19 in Kentucky continue to improve each week, but Kentuckians are still dying from the virus and new research suggests that even mild cases of the disease can have long-term effects on cardiovascular health.
The latest weekly report from the state Department for Public Health showed there were 1,717 new cases of the coronavirus in Kentucky last week, or 245 per day. That's a 24% drop from the previous week's 2,264 cases.
The state's new case-rate dropped to 3.83 cases per 100,000 residents, down a bit from 3.93 the prior week. The top 10 counties were Breathitt, 24.88 cases per 100,000 residents; Clinton, 12.58; Wayne, 10.54; Green, 10.45; Knott, 9.65; Edmonson, 9.41; Shelby, 9.03; Webster, 8.83; Carter, 7.46; and Grant, 7.41.
The Centers for Disease Control and Prevention risk map shows a small cluster of three Kentucky counties with a medium risk of Covid-19 transmission, Bracken, Mason and Fleming. The medium risk counties are shown in yellow. The rest of the state has a low risk of Covid-19 transmission, shown in green.
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| Centers for Disease Control and Prevention map; click on it to enlarge. |
Last week, the state attributed 57 more deaths to Covid-19, up from 51 in the previous report, bringing the state's death toll to 18,512.
Mild cases of Covid-19 can hurt your heart
A first-of-its-kind study that compared artery stiffness in participants pre- and post-infection found that "even mild cases of Covid-19 can have long-term detrimental effects on cardiovascular health, says a University of Portsmouth news release.
“Given the number of people infected with Covid-19 worldwide, the fact that infection can have harmful effects on cardiovascular health in young people who had a mild form of the disease warrants close monitoring," Professor Ana Jeroncic from the University of Split in Croatia, who led the study, said in the release. “The question remains as to whether this harmful effect is irreversible or permanent, and if not, for how long it lasts.”
The release notes that the study, published in the Journal of Clinical Medicine, was the first to compare pre and post Covid-infection levels of arterial stiffness, a marker associated with aging and function of arteries. Participants were monitored between October 2019 and April 2022 and most were less than 40 years old and healthy.
The international team of scientists used baseline measurements from a group of participants involved in a separate study that began pre-pandemic that was also investigating arterial stiffness. They found that "age and time from Covid-19 infection is associated with increased ageing of the arteries, which "could lead to cardiovascular disease development."
“We were surprised to observe such a decline in vascular health, which deteriorated even further with time since Covid-19 infection. Usually, you’d expect inflammation to decrease with time after infection, and for all the physiological functions to go back to normal or a healthy level," study co-author Dr. Maria Perissiou of the University of Portsmouth’s School of Sport, Health & Exercise Science, said in the release.
She added, “We can only speculate on what causes this phenomenon without further investigation, but emerging evidence suggests that it stems from Covid-19 triggering the auto-immune process that leads to vasculature deterioration.”
The paper concludes that these results have important implications for understanding the long-term cardiovascular consequences of Covid-19 and may guide prevention and management strategies for associated vascular disease. It also recommends further research is needed to strengthen our understanding of causes and contributing factors.
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