Health
Holding your breath may increase your risk of Covid-19 infection: IIT-M researchers
Researchers at the well-known Indian Institute of Technology Madras (IIT-M) have found that holding your breath and lowering your respiratory rate can increase your risk of getting a new coronavirus. Researchers have also found that the process by which viral droplets are transported to the deep lungs increases with decreasing breathing frequency.
The findings, led by Professor Mahesh Panchagnula of the Applied Mechanics Division of IIT-M and researchers at the institute, Arnab Kumar Mallik and Soumalya Mukherjee, have been published in the internationally renowned peer-reviewed journal Physics of Fluids. ..
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The researchers modeled breathing frequency in the laboratory and found that less breathing resulted in longer virus retention. Researchers have concluded that the above factors increase the likelihood of deposition and, as a result, the likelihood of infection.
Researchers also said that multi-scale lung structure has a significant impact on human susceptibility to COVID-19, and their study is behind how particles are transported and deposited in the deep lungs. He added that he would unravel a mystery.
“COVID-19 (a disease caused by the new coronavirus) has opened a gap in our understanding of deep lung systemic diseases … This study shows the physical process by which aerosol particles are transported to deeper generations of the lungs. Shows, “said the professor. Panchagunula said.
Airborne infections such as the coronavirus spread very much through sneezing and coughing and quickly release many small droplets. Researchers mimicked the dynamics of droplets in the lungs by studying the movement of droplets in small-diameter capillaries that resemble bronchioles.
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“They took water mixed with fluorescent particles and used a nebulizer to produce aerosols from this liquid. These fluorescent aerosols were used to track the movement and deposition of particles in the capillaries. “IIT-M said in a statement on Monday.
This study, conducted to pave the way for better treatments for respiratory infections such as the coronavirus, found that holding your breath and lowering your respiratory rate could cause the virus to deposit in your lungs. I concluded that it would increase.
Researchers have studied the movement of fluorescent aerosol particles in capillaries with sizes ranging from 0.3 to 2 millimeters, covering a range of bronchiole diameters. “They found that the deposition was inversely proportional to the aspect ratio of the capillaries, suggesting that the droplets are more likely to deposit in the longer bronchioles,” the statement added. ..
Scientists have also studied how the Reynolds number, a parameter that quantifies the nature of flow (steady or turbulent), determines deposition in capillaries. They found that if the flow of aerosol movement is stable, the particles will deposit through the process of diffusion, but if the flow is turbulent, the particles will deposit through the process of collision. ..
The research team will continue to work to understand how virus-laden droplets are transported to the lungs, as the process by which the virus is transported from the nasal passages to the deep lungs is still unknown. “Understanding the physics of this phenomenon can be important in slowing the progression of the disease,” said IIT-M researchers.
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