'Revolutionary' blood pressure treatment unveiled

A new technique that lowers blood pressure by zapping the kidneys with a radio beam could "revolutionise" treatment, it was claimed today.

The therapy produced a dramatic improvement in patients who had been unable to control their high blood pressure with several different drugs.



Scientists believe it could lead to a completely new approach to managing high blood pressure, or hypertension, a significant risk factor for heart attacks and strokes.



The treatment involves a catheter device that delivers a burst of high-energy radio waves to deactivate renal nerves which play a role in raising blood pressure.



Trial patients who received the therapy saw their blood pressure fall by an average 32 over 12 millimetres of mercury (mm Hg) over a period of six months.



The first figure is the systolic pressure which coincides with each heart beat. The second is the diastolic "resting" pressure between beats.



At the start of the international trial the patients had a blood pressure reading of 178 over 97 on average. A second "control" group given a "dummy" version of the treatment had the same blood pressure levels, which did not change significantly during the trial.



Study leader Professor Murray Esler, from the Baker IDI Heart and Diabetes Institute of Melbourne, Australia, said: "The impressive results show that this approach has the potential to become a truly revolutionary treatment."



Colleague Professor Alan Jardine, from the University of Glasgow, said: "This really is an incredibly promising study and the results really are groundbreaking. It's the most exciting development in this field for many years."



A total of 106 patients took part in the Symplicity HTN-2 trial, reported today in an online edition of The Lancet medical journal.



Both treated and control patients were taking on average five different anti-hypertension medications.



The procedure involves inserting the device through a blood vessel in the upper thigh and feeding it up to the kidneys,

ebooks
ebookA delicious collection of 50 meaty main courses
Life and Style
ebookNow available in paperback
  • Get to the point
Latest stories from i100
Have you tried new the Independent Digital Edition apps?

ES Rentals

    Independent Dating
    and  

    By clicking 'Search' you
    are agreeing to our
    Terms of Use.

    iJobs Job Widget
    iJobs General

    Ashdown Group: Helpdesk Analyst - Devon - £20,000

    £18000 - £20000 per annum: Ashdown Group: Helpdesk Analyst - Devon - £20,000 ...

    Ashdown Group: Data Scientist - London - £50,000 + bonus

    £35000 - £50000 per annum + generous bonus: Ashdown Group: Business Analytics ...

    Ashdown Group: IT Project Coordinator (Software Development) - Kingston

    £45000 - £50000 per annum: Ashdown Group: IT Project Coordinator (Software Dev...

    Ashdown Group: Editor-in-chief - Financial Services - City, London

    £60000 - £70000 per annum + benefits : Ashdown Group: A highly successful, glo...

    Day In a Page

    General Election 2015: Ed Miliband's unlikely journey from hapless geek to heart-throb

    Miliband's unlikely journey from hapless geek to heart-throb

    He was meant to be Labour's biggest handicap - but has become almost an asset
    General Election 2015: A guide to the smaller parties, from the the National Health Action Party to the Church of the Militant Elvis Party

    On the margins

    From Militant Elvis to Women's Equality: a guide to the underdogs standing in the election
    Amr Darrag: Ex-Muslim Brotherhood minister in exile still believes Egypt's military regime can be replaced with 'moderate' Islamic rule

    'This is the battle of young Egypt for the future of our country'

    Ex-Muslim Brotherhood minister Amr Darrag still believes the opposition can rid Egypt of its military regime and replace it with 'moderate' Islamic rule, he tells Robert Fisk
    Why patients must rely less on doctors: Improving our own health is the 'blockbuster drug of the century'

    Why patients must rely less on doctors

    Improving our own health is the 'blockbuster drug of the century'
    Sarah Lucas is the perfect artist to represent Britain at the Venice Biennale

    Flesh in Venice

    Sarah Lucas has filled the British pavilion at the Venice Biennale with slinky cats and casts of her female friends' private parts. It makes you proud to be a woman, says Karen Wright
    11 best anti-ageing day creams

    11 best anti-ageing day creams

    Slow down the ageing process with one of these high-performance, hardworking anti-agers
    Juventus 2 Real Madrid 1: Five things we learnt, including Iker Casillas is past it and Carlos Tevez remains effective

    Juventus vs Real Madrid

    Five things we learnt from the Italian's Champions League first leg win over the Spanish giants
    Ashes 2015: Test series looks a lost cause for England... whoever takes over as ECB director of cricket

    Ashes series looks a lost cause for England...

    Whoever takes over as ECB director of cricket, says Stephen Brenkley
    Fishing for votes with Nigel Farage: The Ukip leader shows how he can work an audience as he casts his line to the disaffected of Grimsby

    Fishing is on Nigel Farage's mind

    Ukip leader casts a line to the disaffected
    Who is bombing whom in the Middle East? It's amazing they don't all hit each other

    Who is bombing whom in the Middle East?

    Robert Fisk untangles the countries and factions
    China's influence on fashion: At the top of the game both creatively and commercially

    China's influence on fashion

    At the top of the game both creatively and commercially
    Lord O’Donnell: Former cabinet secretary on the election and life away from the levers of power

    The man known as GOD has a reputation for getting the job done

    Lord O'Donnell's three principles of rule
    Rainbow shades: It's all bright on the night

    Rainbow shades

    It's all bright on the night
    'It was first time I had ever tasted chocolate. I kept a piece, and when Amsterdam was liberated, I gave it to the first Allied soldier I saw'

    Bread from heaven

    Dutch survivors thank RAF for World War II drop that saved millions
    Britain will be 'run for the wealthy and powerful' if Tories retain power - Labour

    How 'the Axe' helped Labour

    UK will be 'run for the wealthy and powerful' if Tories retain power