SeniorJournal.com - Daily News for Senior Citizens

  FRONT PAGE Aging • Health • Alzheimer's - Mental • Nutrition • Medicare & Medicaid Politics  • Fitness  • Social Security • Alerts • Sex Health • Features • Retirement  Elder Care  >Search  >Senior Links

[NavBar.htm]

Senior Journal: Today's News and Information for Senior Citizens & Baby Boomers

More Senior Citizen News and Information Than Any Other Source - SeniorJournal.com

• Go to more on Health & Medicine or More Senior News from SeniorJournal.com on the Front Page

   
Follow on  and 

E-mail this page to a friend!

Health & Medicine for Senior Citizens

CMRI Indicates Most Heart Attacks in Elderly May Go Unrecognized

Among test group, 17% had ‘unrecognized myocardial infarction;’ only 9.7% had been thought to have had MI

Sept. 5, 2012 – New research using cardiac magnetic resonance imaging suggests that many older people may have suffered heart attacks that went undetected. The study compared the prevalence and prognosis of recognized and unrecognized myocardial infarction (MI) diagnosed with CMR vs. electrocardiography (ECG) in older diabetic and non-diabetic participants.

Using CMR imaging among older adults in Iceland, researchers estimated the prevalence of unrecognized heart attacks, which is associated with an increased risk of death, according to a study in the September 5 issue of the Journal of the American Medical Association (JAMA).

 

Related Archive Stories

 
 

Galectin-3 Protein Can Predict Higher Risk of Heart Failure, Death in Older Adults

Heart failure has enormous risk of death, often few warning signs

Aug. 31, 2012

Moderate Coffee Drinking Good for Your Heart; Favorite Senior Drink Wins Again

Good news may warrant changes to current heart failure prevention guidelines of American Heart Association that say coffee drinking may be risky for heart patients; bit of bad news - excess coffee bad!

June 27, 2012

New Hope for Survival of Heart Failure Patients Treated with AHA Recommended Therapies

Heart failure increases but death rates stabilizing with improved treatment options

Feb. 13, 2012

Broken Heart Syndrome May be Sudden Killer of  More People Than Assumed - July 19, 2011

Low Vitamin C Levels Appear to Increase Risk for Heart Failure Patients

Heart failure patients who don’t eat enough vitamin C-rich foods have more inflammation and a higher risk of cardiac complications and death - Nov.13, 2011

Study Finds Heart Failure Patients Benefit from Leg Muscle Exercise

By warming up properly, patients can improve the oxygenation, performance of their leg muscles, which is beneficial in promoting beneficial exercise  - Oct. 31, 2011

Fewer Medicare Patients Hospitalized for Heart Failure, Death Rates Stable

View JAMA Video (link in story)

Hospitalization rate decline due to fewer patients being hospitalized, rather than a reduction in frequency of HF hospitalizations - see video

Oct. 19, 2011


 
 

Read the latest news
> Health & Medicine
>
Today's Headlines

 

“The prevalence and prognosis of unrecognized myocardial infarction (MI; heart attack) in older people with and without diabetes may be higher than previously suspected in population studies.

“Advances in MI detection, such as cardiac magnetic resonance (CMR) imaging with late gadolinium enhancement (LGE), are more sensitive than prior methods. Ascertaining the prevalence of unrecognized MI (UMI) in these groups is relevant because age and diabetes increase the risks of coronary heart disease," according to background information in the article.

'Pathologic studies indicate that subclinical coronary plaque rupture occurs frequently, particularly in diabetic individuals, which may culminate in a high prevalence of UMI.”

Erik B. Schelbert, M.D., M.S., of the National Institutes of Health, Bethesda, Md., and colleagues conducted a study to compare the prevalence and prognosis of recognized and unrecognized MI diagnosed with CMR vs. electrocardiography (ECG) in older diabetic and nondiabetic participants.

From a community-dwelling group of older individuals in Iceland, data for 936 participants ages 67 to 93 years were analyzed, including 670 who were randomly selected and 266 with diabetes. The median (midpoint) age was 76 years, and 52 percent of the participants were women.

A total of 91 of 936 participants (9.7%) had “recognized myocardial infarction” (RMI), and the CMR found that 157 (17%) had “unrecognized myocardial infarction (UMI).

Those with diabetes had a higher prevalence of UMI found by CMR than those without diabetes (72 participants - 21%, vs. 85 participants - 145%).

The cardiac magnetic resonance, which detected 157 (17%) of the previously undetected heart attacks, was more successful than the use of ECG, which found only 46 (5%) with UMI.

 “In the randomly sampled cohort (670), 61 participants (9%) had RMI and 97 (14%) had UMI by CMR whereas only 35 (5 percent) had UMI by ECG, significantly less than UMI by CMR,” the authors write.

MI that went unrecognized by CMR was associated with atherosclerosis risk factors, coronary calcium, coronary revascularization, and peripheral vascular disease.

Over a median follow-up of 6.4 years, 30 of 91 participants with RMI died (33%), and 44 of 157 with UMI by CMR died (28% percent), which were both significantly higher rates than the 17 percent with no MI who died (119/688).

After adjusting for age, sex, diabetes, and RMI, UMI by CMR remained associated with mortality (absolute risk increase, 8%), but UMI by ECG was not associated with mortality (absolute risk increase, -2%).

The researchers add that they observed more use of aspirin, β-blocker, and statin medications in those with UMI found by CMR compared with those without MI.

“Yet the use of cardiac medications was significantly less in those with UMI compared with those with RMI. Roughly half of those with UMI were taking aspirin, whereas less than half were taking statins or β-blockers.”

The authors suggest that several factors may contribute to the high prevalence of UMI.

“First, subclinical coronary plaque rupture occurs frequently, particularly in diabetic individuals. Cardiac magnetic resonance may detect the myocardial sequelae of coronary plaque rupture or coronary plaque erosion that either spontaneously reperfused or were nonocclusive.

“Second, symptom variation in acute MI may lead patients or their clinicians to attribute MI symptoms to noncardiac causes.

‘Third, given their propensity to be clinically detected, RMI may be more severe than UMI and impart greater lethality.”

The researchers also say, “This investigation also suggests limitations in current prevention strategies. Herein we report a burden of MI in community-dwelling older individuals that is higher than previously appreciated.

“The burden of UMI was higher than the total burden of recognized MI, and prescription of cardioprotective medications was less than for participants with RMI.

‘The high prevalence of MI specifically in individuals with diabetes confirms their increased vulnerability. Less than one-third of those with UMI by CMR had prior revascularization to establish coronary disease and trigger secondary prevention strategies. Detection of UMI by CMR may provide an opportunity to optimize treatment for these vulnerable individuals, but further study is needed to assess this.”

 

> Medical Malpractice,

> Nursing Home Abuse,

> Personal Injury

Our Experienced Lawyers Can Help

Beth Janicek, Board Certified Personal Injury Attorney"We win because we care, we prepare and we have no fear," Beth Janicek, board certified personal injury attorney

 

Free Consultation on your case.

Call Now Toll Free

1-877-795-3425

or Send Email

More at our Website

 

 

Search for more about this topic on SeniorJournal.com

Google Web SeniorJournal.com

Keep up with the latest news for senior citizens, baby boomers

 

Click to More Senior News on the Front Page

Copyright: SeniorJournal.com

    

 

Published by New Tech Media - www.NewTechMedia.com

Other New Tech Media sites include CaroleSutherland.com, BethJanicek.com, SASeniors.com, DrugDanger.com, etc.