Navigation Links
Noise in Artery Could Warn of Heart Risk
Date:5/8/2008

Carotid bruits linked to increased odds of heart attack, death, study finds

THURSDAY, May 8 (HealthDay News) -- That unusual, harsh sound a doctor can hear when passing a stethoscope over a main artery to the brain could indicate an increased risk of heart attack and death from heart disease and stroke, a new study finds.

The sound -- called a carotid bruit (pronounced brew-ee) -- is caused by turbulent blood flow due to buildup of fatty deposits in one of the two arteries that carry blood to the front and middle part of the brain. It is usually regarded as a possible indicator of increased risk of stroke.

Now an analysis of 22 studies finds that people with carotid bruits are more than twice as likely to have heart attacks or to die of cardiovascular disease. "The presence of a carotid bruit should heighten clinician concern for coronary heart disease," said the report by physicians at Walter Reed Army Medical Center in Washington, D.C.

The studies included 17,295 people who were followed for an average of four years. "In the four studies in which direct comparison of patients with and without bruits were possible, the odds ratio for myocardial infarction [heart attack] was 2.15 and for cardiovascular death 2.27," the report said.

The findings are published in the May 10 issue of The Lancet.

Using the presence of a bruit as an indicator of cardiovascular risk could be helpful, but "there are some unresolved questions about the usefulness of carotid bruit and prognosis," said Dr. Victor Aboyans, a cardiologist at Dupuytren University Hospital in Limoges, France, and co-author of an accompanying editorial in the journal.

"First, many of the patients who were studied already had cardiovascular disease, so what is the additional value of carotid bruit in such a case?" Aboyans asked. "The second issue is that some patients who don't have carotid bruit may have other evidence of cardiovascular disease."

Several studies have shown that starting preventive measures for stroke on the basis of screening for carotid bruit aren't useful, Aboyans said. Nevertheless, presence of carotid bruit could prompt physicians to be more aggressive in recommending measures to reduce the risk of cardiovascular disease, such as cholesterol reduction, he said.

Dr. Deepak Bhatt, associate director of the Cleveland Clinic Cardiovascular Coordinating Center, said, "The [study authors'] recommendation that they be even more aggressive with risk modification, that is good clinical judgment."

Physicians routinely listen for possible carotid bruits when doing a physical examination of people who are middle-aged or older, Bhatt noted.

Studies have shown that there's a link between the risk of stroke and of coronary heart disease, Bhatt said. "The core knowledge already exists," he said. "This study helps put a number on how high the risk is."

But the study raises some practical issues, Bhatt added. "One is whether, if a carotid bruit is found, to go ahead and do an ultrasound examination," he said. "I would say yes, but it is controversial. The U.S. Preventive Task Force recommends against routine ultrasound in general."

More information

Learn what a carotid bruit is and what it might mean from the American Heart Association.



SOURCES: Victor Aboyans, M.D., cardiologist, Dupuytren University Hospital, Limoges, France; Deepak Bhatt, M.D., associate director, Cleveland Clinic Cardiovascular Coordinating Center; May 10, 2008, The Lancet


'/>"/>
Copyright©2008 ScoutNews,LLC.
All rights reserved

Related medicine news :

1. More Cowbell! To end ALS, Riders of the Tri-State Trek Cycle 270 Miles - Making Noise and Raising Money!
2. Engineering students: Headset muffles loud, unnerving MRI noises
3. Airplane Noise Boosts Blood Pressure Even During Sleep
4. Campaign Targets Noise-Induced Hearing Loss in Kids
5. Silence may lead to phantom noises misinterpreted as tinnitus
6. Hearing messages embedded in noise could be early sign of schizophrenia
7. Vermillion to Host Live Roundtable Discussion With Lead Investigator of its Peripheral Artery Disease Diagnostic Test Program
8. Low Vitamin D Levels Linked to Leg Artery Blockages
9. MAQUET Cardiovascular Launches HEARTSTRING III Proximal Seal System for Coronary Artery Bypass Graft Surgery
10. Renal artery stenting falls short in large randomized trial
11. Artery Plaque Boosts Hispanics Odds for Stroke
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/17/2017)... ... 2017 , ... Cancer diagnostics workflow solution provider Inspirata, Inc., ... 22 in San Francisco. As part of the Tri-Conference expo, which is open ... as well as its new precision medicine platform, “Crosswalk Insight: Oncology™.” , Inspirata ...
(Date:2/17/2017)... ... February 17, 2017 , ... Top neuroendocrine cancer doctors, nurses and specialists from ... February 21 - 23 in Beaver Creek, CO. It was announced today by Cindy ... year in Beaver Creek, hosting over 60 faculty members and addressing unmet needs of ...
(Date:2/17/2017)... , ... February 17, 2017 , ... ... financial planning assistance to families and business owners in the greater Fort Lauderdale ... Families organization. , For more than 30 years, LifeNet 4 Families has ...
(Date:2/16/2017)... ... February 17, 2017 , ... ... can last long after their final treatments. Physician researchers at The Marcus ... (NET), a mind-body therapy, for efficacy in reducing symptoms of traumatic stress in ...
(Date:2/16/2017)... ... February 17, 2017 , ... The ... services to families and entrepreneurs in the Birmingham area, is announcing an ongoing ... needs assistance with her medically challenged son, Anius. , Anius is medically complex ...
Breaking Medicine News(10 mins):
(Date:2/18/2017)... Feb. 17, 2017   Parker Waichman ... the rights of victims injured by medical devices, ... to call for better reporting. Congress required hospitals ... Safety concerns involving power morcellators and duodenoscopes prompted ... investigate how hospitals report injuries and deaths related ...
(Date:2/17/2017)... -- Ethicon, Inc. today announced a definitive agreement to ... device company that manufactures and markets the LINX ... invasive device for the surgical treatment of GERD. ... to offer patients a safe and effective alternative ... 1 This LINX ® ...
(Date:2/17/2017)... Company plc (NYSE, TASE: PRGO) today announced it has received ... hydrocodone bitartrate and homatropine methylbromide oral solution (syrup), 5 mg/1.5 ... homatropine methylbromide oral solution (syrup), 5 mg/1.5 mg per 5 ... adults and children 6 years of age and older. Annual ... $16 million.   ...
Breaking Medicine Technology: