Experts have uncovered lung abnormalities in long Covid patients suffering from breathlessness that cannot be detected in routine tests.
Initial results from the small new study suggest gas transfer from the lungs to the bloodstream is significantly impaired.The Explain research uses xenon, an odourless, colourless, tasteless and chemically non-reactive gas, to investigate possible lung damage in sufferers who have not been admitted to hospital but continue to experience breathlessness after being infected with Covid.
‘These patients have never been in hospital and did not have an acute severe illness when they had their Covid-19 infection.‘Some of them have been experiencing their symptoms for a year after contracting Covid-19.’ Xenon, which is safe to inhale, behaves in a very similar way to oxygen, meaning radiologists can observe how it moves from the lungs into the bloodstream.
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