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  • Long-term use of blood...

Long-term use of blood pressure drugs may cause kidney damage, study suggests

Written By : Hina Zahid |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2022-01-24T09:00:13+05:30  |  Updated On 24 Jan 2022 9:00 AM IST
Long-term use of blood pressure drugs may cause kidney damage, study suggests
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New kidney research from the University of Virginia School of Medicine is raising concerns that long-term use of drugs commonly prescribed to treat high-blood pressure and heart failure could be contributing to kidney damage.

Patients should continue taking the medications, which include the well-known and widely used ACE inhibitors, the researchers say. But the scientists are urging studies to better understand the drugs' long-term effects.

"Our studies show that renin-producing cells are responsible for the damage. We are now focusing on understanding how these cells, which are so important to defend us from drops in blood pressure and maintain our well-being, undergo such transformation and induce kidney damage," said Maria Luisa Sequeira Lopez MD, of UVA's Department of Pediatrics and Child Health Research Center. "What is needed is to identify what substances these cells make that lead to uncontrolled vessel growth."

The Causes of Kidney Damage

Chronic high blood pressure affects a billion people around the world. The UVA researchers wanted to better understand why severe forms of the condition are often accompanied by thickening of the arteries and small blood vessels in the kidney, leading to organ damage.

They found that specialized kidney cells called renin cells play an important role. These cells normally produce renin, a vital hormone that helps the body regulate blood pressure. But harmful changes in the renin cells can cause the cells to invade the walls of the kidney's blood vessels. The renin cells then trigger a buildup of another cell type, smooth muscle cells, that cause the vessels to thicken and stiffen. The result: Blood can't flow through the kidney as it should.

Further, the researchers found, long-term use of drugs that inhibit the renin-angiotensin system, such as ACE inhibitors, or angiotensin receptor blockers, have a similar effect. These drugs are widely used for many purposes, including treating high blood pressure, congestive heart failure and heart attacks, as well as to prevent major heart problems. But long-term use of the drugs was associated with hardened kidney vessels in both lab mice and humans, the scientists found.

The researchers note that the medications can be lifesaving for patients, so they stress the importance of continuing to take them. But they say additional studies are needed to better understand the drugs' long-term effects on the kidneys.

"It would be important to conduct prospective, randomized controlled studies to determine the extent of functional and tissue damage in patients taking medications for blood pressure control," said Ariel Gomez, MD, of UVA's Department of Pediatrics and Child Health Research Center. "It is imperative to find out what molecules these cells make so that we can counteract them to prevent the damage while the hypertension is treated with the current drugs available today."

https://insight.jci.org/articles/view/154337

kidney damageblood pressurejci insight
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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