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    • Hormone imbalance...

    Hormone imbalance cause of resistant hypertension

    Written by Dr. Kamal Kant Kohli Kohli Published On 2018-04-12T19:15:59+05:30  |  Updated On 12 April 2018 7:15 PM IST
    Hormone imbalance cause of resistant hypertension

    High blood pressure is one of the most common and important preventable causes of heart attack, heart failure, stroke and premature death. It affects over 1 billion people across the world and accounts for approximately 10 million potentially avoidable deaths per year. There is difficulty into controlling blood pressure in around 10 percent of hypertension patients in whom salt accumulation occurs even when on reasonable diets and pushing up blood pressure despite use of diuretics and other standard treatments. These patients are at the highest risk of stroke and heart disease because their blood pressure remains uncontrolled. A team led by Queen Mary University of London have found that the steroid hormone 'aldosterone' causes salt to accumulate in the bloodstream which may lead to resistant Hypertension.The study has been published in Journal The Lancet Diabetes & Endocrinology.


    Two patients in the study with previously resistant hypertension were able to come off all drugs after a benign aldosterone-producing nodule was discovered in one adrenal and removed at surgery.The new results come from a six-year trial in 314 patients with resistant hypertension, undertaken by investigators in the British Hypertension Society, funded by the British Heart Foundation and the National Institute for Health Research.


    Chief Investigator Professor Morris Brown from Queen Mary University of London said: "This has been a wonderful story of using sophisticated modern methods to solve an old problem - why some patients have apparently intractable hypertension. The discovery of salt overload as the underlying cause has enabled us to identify the hormone which drives this, and to treat or cure most of the patients."


    Professor Bryan Williams from University College London said: "These results are important because they will change clinical practice across the world and will help improve the blood pressure and outcomes of our patients with resistant hypertension.


    "It is remarkable when so many advances in medicine depend on expensive innovation, that we have been able to revisit the use of drugs developed over half a century ago and show that for this difficult-to-treat population of patients, they work really well."


    In previous work, the team showed that resistant hypertension is controlled much better by the drug spironolactone (a steroid blocker of aldosterone) than by drugs licensed for use in hypertension. Now they have shown that the superiority of spironolactone is due to its ability to overcome the salt excess in resistant hypertension.


    They also found that spironolactone can be substituted, to good effect, by a drug, amiloride, which could be an option for patients unable to tolerate spironolactone.


    The research comes from the PATHWAY-2 study, part of a series of studies designed to develop more effective ways of treating high blood pressure. It investigated the hypothesis that resistant hypertension was mainly caused by a defect in eliminating salt and water and that the high blood pressure in these patients would be best treated by additional diuretic therapy to promote salt and water excretion by the kidneys.

    heart-attackhigh blood pressureHormone imbalanceHypertensionPATHWAY-2 studypremature deathProfessor Bryan WilliamsQueen Mary UniversityQueen Mary University of LondonresistantstrokeUniversity College London
    Source : with inputs

    Disclaimer: This site is primarily intended for healthcare professionals. Any content/information on this website does not replace the advice of medical and/or health professionals and should not be construed as medical/diagnostic advice/endorsement or prescription. Use of this site is subject to our terms of use, privacy policy, advertisement policy. © 2020 Minerva Medical Treatment Pvt Ltd

    Dr. Kamal Kant Kohli Kohli
    Dr. Kamal Kant Kohli Kohli
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