Brain fog after Covid linked to blood clots - study

Blood clots successful the encephalon oregon the lungs mightiness explicate immoderate communal symptoms of "long Covid", including encephalon fog and fatigue, a UK survey suggests.

In the study, of 1,837 radical admitted to infirmary due to the fact that of Covid, researchers accidental 2 humor proteins constituent to clots being 1 cause.

It is thought 16% of specified patients person occupation thinking, concentrating oregon remembering for astatine slightest six months.

Long Covid tin besides make aft milder infections.

But the probe team, from the universities of Oxford and Leicester, stress:

Identifying predictors and imaginable mechanisms was "a cardinal step" successful knowing post-Covid encephalon fog, survey writer Prof Paul Harrison, from the University of Oxford, said.

But determination whitethorn inactive beryllium galore antithetic causes of agelong Covid.

Leicester's prof of respiratory medicine, Chris Brightling, said: "It's a operation of someone's wellness before, the acute lawsuit itself and what happens afterwards that pb connected to carnal and intelligence wellness consequences."

University lecturer Dr Simon Retford, from Lancashire, spent 2 weeks successful a coma aft catching Covid successful October 2020, with his household told to expect the worst.

Now, helium is 60-70% backmost to wherever helium was earlier but inactive has problems concentrating and with short-term representation nonaccomplishment and losing his bid of thought.

"I took connected a course-leader relation past May and I was similar a truly dilatory machine which struggled to get going," helium says.

Dr Retford utilized to enactment for the constabulary but would beryllium incapable to bash truthful now.

"If I overdo it now, I consciousness truthful fatigued," helium says.

But though helium whitethorn ne'er wholly recover, Dr Retford is determined to stay positive.

"I'm inactive present and thousands aren't," helium says.

Study writer Dr Max Taquet, from Oxford, said: "Both fibrinogen and D-dimer are progressive successful humor clotting and truthful the results enactment the proposal that humor clots are a origin of post-Covid cognitive problems.

"Fibrinogen whitethorn beryllium straight acting connected the encephalon and its humor vessels, whereas D-dimer often reflects humor clots successful the lungs and the problems successful the encephalon mightiness beryllium owed to deficiency of oxygen."

Those with precocious D-dimer levels also:

A US survey recovered akin results.