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Research on blood pressure allays COVID fears

Fears that people with high blood pressure are more at risk from severe COVID-19 because it is easier for the virus to enter their cells and tissues have been laid to rest, thanks to research involving UCLH.

 

The team including UCLH Director of Research Professor Bryan Williams led by the University of Manchester also showed that speculation that some blood pressure lowering medications may increase the risk of COVID-19 infection is likely to be wrong.

The study conducted on human kidneys, published in the European Heart Journal, will reassure doctors and their patients that it is safe to take their blood pressure medication during the pandemic.

Scientists already know that SARS-CoV-2 virus – which causes COVID-19 disease – uses a protein called ACE2 found on the surface of kidney and to a lesser extent lung and heart cells, as a way to infect the body.

Kidneys are the primary site for blood pressure regulation in the body. They naturally produce ACE2 at a higher level than many other tissues and are affected by the virus.

But the suggestion that ACE2 is modified by antihypertensive medicines, especially ACE inhibitors to make it easier for SARS-Cov-2 to break into cells, has been disproved by the team.

“There has been widely reported speculation that having high blood pressure and taking certain medications used to treat hypertension - especially ACE Inhibitors - may increase expression of the blood pressure regulating protein ACE2,” said Dr. James Eales, from The University of Manchester.

“Many felt that increased expression of ACE2 may also increase the risk of infection - or a severe outcome from SARS-CoV-2” added Dr. Xiao Jiang, from the University of Manchester.

Professor Fadi J Charchar from Federation University in Australia added: “We checked a range of antihypertensive medicines including, beta blockers, ACE inhibitors, Calcium Channel antagonists, Angiotensin II receptor blockers, and others; none are linked to changes in ACE2.”

Professor Bryan Williams added: “The speculation about whether high blood pressure and the drugs we commonly use to treat it, increased the risks associated with COVID-19 infection caused a lot of anxiety for many millions of people treated for high blood pressure. This new research refutes the prior speculation that the drugs we commonly use to treat high blood pressure leads to an increase in the receptors for COVID-19 on the surface of the lungs. It is a really important finding.”

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Upcoming Events

IPS 2021

ACC Liverpool
27th - 29th September

The Operating Theatres Show 2021

Hilton Metropole Hotel, London
7th October

Future Surgery 2021

ExCel London
9th - 10th November 2021

Medica 2021

Dusseldorf Germany
15th - 18th November

Arab Health 2022

Dubai World Trade Centre
24th - 27th January

Central Sterilising Club 60th Anniversary Annual Scientific Meeting

Crowne Plaza, Bridge Foot, Stratford-upon-Avon, CV37 6YR
4th - 5th April

Access the latest issue of Clinical Services Journal on your mobile device together with an archive of back issues.

Download the FREE Clinical Services Journal app from your device's App store

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