Responding to black Covid-19 patients who experience higher severity than white skin, the researchers tried to explore the reasons.
Reporting from CNN, the autopsy of 10 African-American patients who died from the corona virus showed that their lungs were blocked by blood clots. The study was conducted by the LSU Health New Orleans School of Medicine team reported on Wednesday (5/27/2020).
10 patients have underlying conditions that have been proven to worsen infections, including high blood pressure, diabetes, and obesity. But genetic factors can also play a role.
Findings published in the Lancet Respiratory Medicine can help explain why black people experience higher severity due to Covid-19 than whites in the US, UK, and several other countries.
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“We found that small vessels and capillaries in the lungs were blocked by blood clots and associated bleeding which significantly contributed to decompensation and death in these patients,” Dr. Richard Vander Heide, head of pathology at the LSU Health New Orleans School of Medicine.
“Maybe there are types of genetic factors,” Vander Heide said.
For example, pathologists do not see heart inflammation in corona virus patients in the US, but many of these complications occur in China.
“This finding could explain why black people in general suffer more from Covid-19 in England,” wrote Dennis McGonagle of the University of Leeds and colleagues in related comments.
“A feature of the corona virus disease has led to an increase in deaths in black, Asian and Ethnic Minority groups in the UK, which has resulted in the British Government forming an emergency investigation task force,” they wrote.
“In the US, the death rate due to Covid-19 is very high among African-Americans in big cities.”
A study from New Orleans in the New England Journal of Medicine, found that the proportion of Covid-19 hospital patients was disproportionately African-American.
The researchers reported, 31 percent of the population of black patients, 77 percent of those treated for Covid-19 were also black and 70 percent of patients who died from Covid-19 were black.
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“Black patients have a higher prevalence of obesity, diabetes, hypertension and chronic kidney disease than white patients,” Dr. Eboni Price-Haywood and her partner at Ochsner.
“But many factors might underlie racial differences. They might reflect fundamental racial differences in the types of jobs that might have an increased risk of exposure,” they wrote