COVID-19 Sequalae: 1.6 million people have “lost sense of smell” in U.S.
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COVID-19 Sequalae: 1.6 million people have “lost sense of smell” in U.S.
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COVID-19 Sequalae: 1.6 million people have “lost sense of smell” in U.S. and have not recovered so far.
The peer-reviewed international medical journal “JAMA Otorhinolaryngology-Head and Neck Surgery” published by the American Medical Association released a new study on the 18th.
It is estimated that 700,000 to 1.6 million patients with COVID-19 pneumonia in the United States may lose their sense of smell or smell abnormalities, and this symptom It has lasted for more than 6 months and has not recovered, and the author said that this estimate may actually be higher.
According to a report by CNN, this study by Washington University School of Medicine in St. Louis pointed out that before the COVID-19 epidemic, only 13.3 million American adults over the age of 40 suffered from the so-called “olfactory dysfunction” (olfactory dysfunction). , Abbreviated as OD) or chronic olfactory dysfunction (COD for short).
However, it is now estimated that 700,000 to 1.6 million American adults have olfactory symptoms for more than 6 months after being infected with the COVID-19 virus, although most people eventually It will recover, but some people may never recover their sense of smell.
The study pointed out that these data indicate that public health concerns about OD are emerging, and there is an urgent need to study how to treat the “COVID-19 COD” caused by the epidemic.
According to the report, a study last year found that 72% of COVID-19 patients recovered their sense of smell after 1 month, but for some people, recovery may be a relatively long journey.
John Hayes, director of the Sensory Evaluation Center at the University of Pennsylvania, who was not involved in the study, said that this brings a long-term burden of disease.
In fact, it may take decades to deal with this problem, although it is related to chronic fatigue and heart problems. In comparison, loss of smell may sound trivial, but not smelling may be dangerous.
According to the report, a 2014 study stated that people with normal sense of smell are twice as likely to experience the dangers of eating spoiled foods, and early research also believes that it may be related to depression.
Hayes said that this affects appetite and social relationships, as well as diet. Others may mistake the floral scent for foot odor, or smell persistent chemical or burning odors.
Harvard Medical School neurobiologist (Sandeep Robert Datta) has continued to study olfactory problems related to COVID-19 pneumonia in recent years.
He believes that this is a very unusual phenomenon in terms of olfactory disorders.
In the past, in addition to nose and head trauma, young people It is rare to lose the sense of smell, let alone symptoms caused by a virus.
The current consensus seems to be that the pillar cells in the nasal cavity are disrupted, because the neurons responsible for detecting odor are unlikely to be directly attacked by the virus, but many scientists are still trying Find out the cause.
COVID-19 Sequalae: 1.6 million people have “lost sense of smell” in U.S.
(source:internet, reference only)
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