Simple Blood Test Reveals Heart Disease Risk for Women Decades Before Symptoms
A current examine funded by the National Institutes of Health reveals that analyzing particular fat and C-reactive protein within the blood can precisely predict a girl’s heart problems danger many years prematurely.
These findings, essential for early detection and prevention, have been highlighted on the European Society of Cardiology Congress and revealed within the New England Journal of Medicine.
Breakthrough Research in Cardiovascular Disease Prediction
Research supported by the National Institutes of Health (NIH) has discovered that measuring two sorts of fats within the bloodstream together with C-reactive protein (CRP), a marker of irritation, can predict a girl’s danger for heart problems many years later. These findings, presented as late-breaking analysis on the European Society of Cardiology Congress 2024, have been revealed within the New England Journal of Medicine.
“We can’t treat what we don’t measure, and we hope these findings move the field closer to identifying even earlier ways to detect and prevent heart disease,” mentioned Paul M. Ridker, M.D., M.P.H., a examine writer and the director of the Center for Cardiovascular Disease Prevention at Brigham and Women’s Hospital, Boston.
For the examine, investigators collected blood samples and medical info from 27,939 healthcare suppliers residing within the United States who participated within the Women’s Health Study. Women, who started the examine between 1992-1995 at a mean age of 55, have been adopted for 30 years. During this era, 3,662 examine individuals skilled a coronary heart assault, stroke, surgical procedure to revive circulation, or a cardiovascular-related loss of life. Researchers assessed how high-sensitivity CRP, together with low-density lipoprotein (LDL) cholesterol and lipoprotein(a), or Lp(a), a lipid partly manufactured from LDL, singularly and collectively predicted these occasions.
Participants have been grouped into 5 classes — starting from these with the best to lowest ranges — to measure every of the three markers. Researchers discovered that women with the best ranges of LDL ldl cholesterol had a 36% elevated related danger for coronary heart illness in comparison with these with the bottom ranges. Those with the best ranges of Lp(a) had a 33% elevated related danger, and people with the best ranges of CRP had a 70% elevated related danger.
When all three measures — LDL ldl cholesterol, Lp(a), and CRP — have been assessed collectively, individuals with the best ranges had greater than a 1.5-times elevated related danger for stroke and greater than a 3-times elevated related danger for coronary coronary heart illness in comparison with women with the bottom ranges.
Gender Comparison and Inflammation Insights
The researchers be aware that whereas solely women have been assessed on this examine, they’d anticipate finding related leads to males.
“In recent years, we’ve learned more about how increased levels of inflammation can interact with lipids to compound cardiovascular disease risks,” mentioned Ahmed A.Ok. Hasan, M.D., Ph.D., a medical officer and program director on the National Heart, Lung, and Blood Institute (NHLBI). “This helps explain why lower levels are often better.”
Immune cells, which assist the body restore itself from wounds or an infection, may sense the buildup of additional ldl cholesterol in cells or develop into activated in response to the build-up of plaque and ship out inflammatory indicators. This creates a hyperinflammatory surroundings the place plaque can kind, develop into bigger, and even rupture — and trigger cardiovascular occasions.
Promoting Cardiovascular Health and Prevention Strategies
To assist optimum cardiovascular health, the researchers emphasize primary prevention. This contains getting common bodily exercise, eating a heart-healthful eating regimen, managing stress, and avoiding tobacco or quitting smoking. Other measures for folks with elevated dangers could embrace utilizing treatment to decrease ldl cholesterol and/or scale back irritation. Researchers have additionally discovered that steps folks take earlier in life to assist their coronary heart and vascular health can add up over time and correlate with higher health outcomes years and even many years later.
LDL ldl cholesterol, which is routinely measured by healthcare suppliers, could be handled with widely-available therapies, comparable to statins. However, customary Lp(a) and CRP screening suggestions can fluctuate.
Variability in Screening and Treatment Options
Some international locations advocate screening for Lp(a) since elevated ranges are sometimes on account of inherited dangers. In areas with out common Lp(a) screenings, just like the U.S., physicians can order assessments for folks with coronary heart illness or who’ve a household historical past of it. Some therapies can be found for these with elevated ranges and researchers are testing new approaches to personalize and enhance remedy choices.
Testing for CRP additionally varies. Screening usually depends upon a person’s underlying dangers or is as much as the discretion of the supplier. Colchicine, an anti-inflammatory remedy beforehand used for gout, was approved by the Food and Drug Administration in 2023 to offset dangers for heart problems amongst folks with atherosclerosis. Additional anti-inflammatory therapies and approaches are being studied.
Reference: “Inflammation, Cholesterol, Lipoprotein(a), and 30-Year Cardiovascular Outcomes in Women” by Paul M. Ridker, M. Vinayaga Moorthy, Nancy R. Cook, Nader Rifai, I-Min Lee and Julie E. Buring, 30 August 2024, New England Journal of Medicine.
DOI: 10.1056/NEJMoa2405182
This analysis was supported by grants from NHLBI (HL043851, HL080467, and HL099355) and the National Cancer Institute (CA047988, CA182913)