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International Journal of Exergy ; 32(3):314-327, 2020.
Article in English | Scopus | ID: covidwho-833250

ABSTRACT

Viral infections hijack metabolism of patients and start managing allocation of the cellular energy and exergy and the material reserve to the life processes to optimise their interests. Unlike most of the other viral infections, COVID-19 can cause severe pneumonia, pulmonary inflammation and fibrosis that decrease gas exchange between the alveoli and pulmonary capillaries. This results in diminished oxygenation of haemoglobin to transport oxygen between the lungs and the tissues. When the metabolic rate of the patient decreases by 33%, exergetic and energetic magnitude of the incurring damages would be 0.46 and 0.45 W/kg, respectively. In the case of 66% of decrease in the metabolic activity, the exergetic and energetic magnitude of the damage, based on the metabolic cost to an 18-year-old person, may be 0.92 and 0.90 W/kg, respectively. If a 70-year-old person should collect the same energetic and exergetic damages with that of an 18-year-old person, his/her metabolism must generate 17% more energy or exergy to compensate the incurred damage. If a person should have additional health problems, the energetic and exergetic cost of fixing the damage will probably increase. Copyright © 2020 Inderscience Enterprises Ltd.

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