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Researchers Find Three Reasons Behind Coronavirus Causing Silent Hypoxia

Silent hypoxia is a condition when oxygen levels in the body are abnormally low, which can cause major damage to the vital organs of the body if gone undetected for a long period of time

Researchers Find Three Reasons Behind Coronavirus Causing Silent Hypoxia
Highlights
  • COVID-19 patients sometimes show no symptoms of shortness of breath
  • Hypoxia's ability to quietly inflict damage is why it's been coined silent
  • Coronavirus is believed to first damage the lungs: Research

Washington: Boston University biomedical engineers and collaborators from the University of Vermont have begun to crack one of the most life-threatening mysteries behind the relationship between silent hypoxia and coronavirus following different scenarios. According to Science Daily, researchers are still unaware of the fact that tells the reason behind why the lungs of a COVID patient stop providing oxygen to the bloodstream. All the findings would be done with the help of computer models and comparisons with real patient data.

Also Read: Healthcare Workers, People Aged Above 65 Years Will Be Given COVID Vaccine On Priority: Dr. Harsh Vardhan

Silent hypoxia is a condition when oxygen levels in the body are abnormally low, which can cause major damage to the vital organs of the body if gone undetected for a long period of time.

Despite experiencing dangerously low levels of oxygen, many people infected with severe cases of COVID-19 sometimes show no symptoms of shortness of breath or difficulty breathing. Hypoxia’s ability to quietly inflict damage is why it’s been coined “silent.”

Also Read: Coronavirus Outbreak Explained: What Is A Pulse Oximeter And Why Is It Becoming A Tool Against COVID-19?

According to the research, coronavirus is believed to first damage the lungs restraining them to function properly. Those tissues then lose oxygen, causing silent hypoxia. But exactly how that effect occurs is under the table till now. “We didn’t know [how this] was physiologically possible,” says Bela Suki, one of the authors of the study, when many of the patients showed almost no signs of abnormalities when they were undertaken for a lung scan.

The results of the research, attained after a deep study with the help of a computer model is been published in Nature Communications which unveils the study by the lead author of the new study Jacob Herrmann. It states,

Silent hypoxia is likely caused by a combination of biological mechanisms that may occur simultaneously in the lungs of COVID-19 patients.

The good thing that researchers revealed is the ability of the lungs to constrict the blood vessels in absence of sufficient oxygen caused by an infection which then forces blood to flow through lung tissue crammed with oxygen, throughout the body.

Also Read: ‘How Smoking Worsens COVID-19 Infection Decoded’: Scientists

According to Jacob Herrmann,

Preliminary clinical data have suggested that the lungs of some COVID-19 patients had lost the ability to restrict blood flow to already damaged tissue, and in contrast, were potentially opening up those blood vessels even more, which is hard to measure on a CT scan.

The second scenario observed by the researchers with the help of a computer model found that silent Hypnoxia can provoke when the lining of blood vessels are inflamed from the COVID-infection.

The last step was to find if COVID-19 interferes with the normal ratio of air-to-blood flow, vital for lungs to function normally. The researchers found that the mismatched air-to-blood flow ratio is a common symptom in many respiratory illnesses, like asthma and this mismatch doesn’t appear injured or abnormal on lung scans.

Also Read: Coronavirus Outbreak Explained: What Is A Cytokine Storm And How Is It Fuelling COVID-19? Experts Answer

In all, the researchers concluded that a combination of all three factors can contribute to abnormal oxygen in some COVID-19 patients, and to attain perfection in making choices about treating patients, the clinical are suggested using measures like ventilation and supplemental oxygen.

According to the report provided by Science Daily, a number of interventions are currently being studied to have a more informed study about the combinations varying from patient to patient. One of them is a low-tech intervention called prone positioning that flips patients over onto their stomachs, allowing for the back part of the lungs to pull in more oxygen and evening out the mismatched air-to-blood ratio.

Also Read: COVID-19 Pandemic Explained: What Is Reproduction (R) Number And Why Does It Matter?

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

NDTV – Dettol Banega Swasth India campaign is an extension of the five-year-old Banega Swachh India initiative helmed by Campaign Ambassador Amitabh Bachchan. It aims to spread awareness about critical health issues facing the country. In wake of the current COVID-19 pandemic, the need for WASH (WaterSanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign highlights the importance of nutrition and healthcare for women and children to prevent maternal and child mortality, fight malnutrition, stunting, wasting, anaemia and disease prevention through vaccines. Importance of programmes like Public Distribution System (PDS), Mid-day Meal Scheme, POSHAN Abhiyan and the role of Aganwadis and ASHA workers are also covered. Only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diahorrea and become a Swasth or healthy India. The campaign will continue to cover issues like air pollutionwaste managementplastic banmanual scavenging and sanitation workers and menstrual hygiene

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