Articles tagged with Coronary Artery Disease
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Researchers have confirmed six new genetic variants that increase the likelihood of developing coronary artery disease. These variants, found in chromosomes 2, 6, 10 and 15, as well as two on chromosome 1 and one on chromosome 9, are common in white Europeans and explain a significant proportion of heart attacks.
A UT study found that cardiac PET-CT scanners incorrectly indicate coronary artery disease in up to 40% of patients due to software flaws. The researchers developed a solution to address the issue, resulting in accurate images of blood flow in the heart.
Renowned experts Roxanna Mehran and Michael J. Mack debate the role of stenting versus bypass surgery in treating left main coronary artery disease. The Synergy Between PCI With Taxus and Cardiac Surgery trial is expected to provide critical data on the effectiveness of drug-eluting stents compared to bypass surgery.
A new immunosuppression regimen for heart transplant patients has been found to improve kidney function and prevent transplant coronary artery disease. The study, led by Sudhir Kushwaha, used sirolimus as an alternative to calcineurin inhibitors, with consistent improvement in kidney function in stable patients.
A new gene, kalirin, has been discovered that may contribute to the development of cardiovascular disease. The research suggests a biological mechanism never before linked to the disease and could lead to novel ways to treat or prevent it.
The University of Wisconsin is conducting a clinical trial using adult stem cells to treat severe coronary artery disease. The study aims to investigate the efficacy and safety of blood-derived selected stem cells in improving symptoms and clinical outcomes in patients with chronic myocardial ischemia.
Researchers discovered a rare genetic mutation that causes early onset coronary artery disease in an Iranian family. The mutation, in the LRP6 gene, leads to high blood pressure, high cholesterol, and diabetes, all risk factors for heart disease.
An international consortium, led by Professor Dominique Gauguier, aims to understand the complex causes of coronary artery disease (CAD) and develop effective treatments. The project will use advanced genomics techniques to identify biomarkers for predicting CAD risk factors, offering insights into disease diagnosis and prevention.
Research links depressive symptoms to early signs of artery disease, including thickening of carotid arteries. The study suggests that physical symptoms of depression, such as fatigue and appetite disturbance, may play a role in the development of coronary artery disease.
A new study reveals that women who outwardly express anger may be at increased risk of heart disease if they also have certain risk factors such as diabetes, unhealthy levels of fats in the blood, or age. The researchers found that only expressed anger, not just cynicism or hostility, was predictive of coronary artery disease in women.
A new study published in the Journal of Nuclear Medicine found that young smokers who quit smoking can normalize abnormal coronary artery function within a month. The PET imaging study examined the effects of smoking cessation on coronary endothelial dysfunction in healthy young male adults.
Researchers at Duke University Medical Center developed a new test that analyzes blood metabolites to identify genetic predispositions to coronary artery disease. The study found strong heritabilities in certain metabolites, suggesting the potential to detect people at risk of developing the disease at an early age.
Researchers found a 36% survival rate for blacks and 46% for whites, despite similar levels of coronary disease. The disparity is attributed to various factors, including bias in treatment, mistrust of the medical system, and socio-economic barriers.
Researchers discovered variations in the GATA2 gene may predispose individuals to coronary artery disease, the most common form of heart disease. The discovery could lead to genetic tests predicting an individual's risk of developing the disease, encouraging early behavior modifications.
Researchers identified an accurate method to detect coronary artery disease risk in obese individuals using stress myocardial perfusion imaging. The test can help physicians plan management strategies for patients with 'silent' disease, reducing the risk of angina, heart attack, and death.
A recent study found that cardiac CT scans are useful for excluding coronary disease in selected patients, but may be limited by a high number of nondiagnostic cases. The test can identify significant stenosis with high sensitivity and negative predictive value, suggesting its potential as an alternative to conventional angiography.
Researchers found that men with chronic coronary syndrome are more likely to experience erectile dysfunction, with an average time frame of two years between ED symptoms and angina. The study suggests that patients with ED and multiple risk factors should be monitored for heart disease.
A small study found that starting exercise after 40 can significantly cut the chances of developing coronary artery disease. Those who exercised throughout their lives had the lowest risks, but those who started later were still around 55% less likely to be diagnosed with heart disease.
Researchers present a new non-invasive cardiac imaging technology that enables accurate evaluation of cardiac blood vessel narrowing and blood supply to the heart muscles in a single imaging session. The technology combines SPECT perfusion imaging with CT coronary angiography, providing more accurate information than stand-alone tests.
Treatment with ACE inhibitors significantly reduces risk of death from any cause, cardiovascular death, myocardial infarction and stroke. ACE inhibitors also appear to reduce risk of additional outcomes such as diabetes, congestive heart failure hospitalization and cardiac arrest.
Researchers developed a new method to measure EPC levels in blood samples using ALDH activity, which correlates with the degree of coronary artery disease. Patients with lower EPC levels are more likely to have greater disease and increased risk for cardiac events.
A two-year study found that early periodontal treatment results in lower medical costs for diabetes, cardiovascular disease, and CAD patients. The study involved 144,225 patients with both medical and dental insurance.
A study found that heart patients taking antidepressants have a 55% higher risk of dying, even after controlling for age and other factors. The researchers suggest that non-pharmocological approaches like exercise may help reduce this risk.
A study at Cedars-Sinai Medical Center found that angioplasty with drug-eluting stents resulted in outcomes equivalent to bypass surgery for patients with left main coronary artery disease. The treatment was shown to have similar short- and intermediate-term clinical outcomes, despite higher risk patient demographics.
The polypill could slash the risk of coronary artery disease by 88% and stroke by 80% in those aged between 55 and 64. However, its widespread treatment would require a significant annual expense, with costs ranging from £208 to £282 per person, depending on age and risk level.
Several biomarkers emerged as potentially clinically useful in predicting CAD-related and all-cause death. Increases in plasma levels of IL-6 and total homocysteine were associated with higher risks of death in patients with known CAD.
Research finds that women's heart disease has distinct characteristics, including cellular and microvascular dysfunction. The study highlights the importance of considering gender-specific risk factors and diagnostic tools to improve detection and treatment.
Researchers analyzed data from the REACH Registry to determine the prevalence and treatment of atherosclerosis risk factors in 67,888 patients from 44 countries. The study found that high proportions of patients had hypertension, hypercholesterolemia, and diabetes.
A large cohort study found that octogenarians undergoing open heart surgery have a 72% higher risk of death, longer hospital stays, and increased neurologic complications compared to younger patients. Age is an independent risk factor for morbidity and mortality after controlling for other variables.
A study led by Northwestern University researchers suggests that Kawasaki disease is caused by a single respiratory viral agent, entering through the lungs and infecting bronchi. The research provides new insights into the disease's cause and course, and may lead to new treatments.
A new robotic surgery-stenting combo has shown promising results in opening blocked coronary arteries and speeding up patient recovery. The procedure involves using the left internal mammary artery to bypass blocked areas and reduce scarring and disability, with patients returning to work within a week.
A study found that low VO2max levels are a significant predictor of long-term mortality in patients with coronary artery disease. Patients with a VO2max below 18 ml/kg/min had a high risk of dying within 10 years, even after adjusting for age and other factors.
Researchers at Johns Hopkins Medicine conducted a non-randomized study to assess the impact of CABG surgery on higher-level mental functions. The results showed that on-pump CABG patients had no significant differences in their cognitive abilities compared to other groups.
Researchers at Cedars-Sinai Medical Center found that shortness of breath can signify a higher risk of dying from cardiac disease. The study, which evaluated nearly 18,000 patients, revealed that patients with shortness of breath were four times more likely to suffer death from a cardiac cause than asymptomatic patients.
A new study found that drug-eluting stents like CYPHER are cheaper than open-heart surgery, saving patients and the healthcare system $6,487 on average over a year. The research also shows improved patient outcomes with stent treatment.
Research reveals that erectile dysfunction is associated with higher levels of C-reactive protein and abnormal blood vessel responses. Men with ED are at increased risk for coronary artery disease, which can lead to heart attacks and strokes.
Obese patients with coronary artery disease can benefit from bariatric surgery, which leads to significant weight loss and improvements in blood pressure, cholesterol, and sleep apnea. However, diet and exercise should remain the primary approach for weight management before considering surgery.
Increased physical activity reduces coronary heart disease and cardiac mortality rates by 30-40% compared to inactive individuals. Exercise training also improves endothelial function, reducing atherosclerosis and plaque formation, and can even extend life expectancy in patients with stable coronary artery disease.
A study led by Dr. Michelle Graham highlights the need for higher rates of cardiac catheterization testing in Alberta and Canada. The research shows that many patients with high-risk blockages remain undetected, emphasizing the importance of increasing angiogram prescriptions to save lives.
Patients with rheumatoid arthritis (RA) are at a higher risk of developing coronary artery disease (CAD), with more advanced atherosclerosis and increased cardiovascular death. The underlying RA disease process, particularly elevated CD4+CD28- T cells, contributes to this increased risk.
Researchers used real-time myocardial contrast echocardiography (RTMCE) to diagnose coronary artery disease in patients with chest pain. The study found that perfusion imaging was more effective than wall motion analysis in detecting the condition and predicting patient outcomes.
A recent US study found no benefit from treating C. pneumoniae bacteria with an antibiotic in reducing the risk of heart attack or improving overall cardiac outcomes. The Azithromycin coronary events study (ACES) assigned over 4,000 participants to receive either antibiotics or a placebo for one year.
A new study found that antibiotic treatment with azithromycin did not reduce the risk of heart attacks, unstable angina, or other cardiac events. The study enrolled over 4,000 participants and followed them for nearly four years, with no significant difference in outcomes between those receiving antibiotics and placebo.
Researchers found no causative mutations in MEF2A gene among patients with premature coronary heart disease. This challenges the role of MEF2A in causing CAD and suggests another genetic variant may be responsible.
A study found that young coronary artery disease patients have a high prevalence of hostility symptoms, with improvements in risk factors and quality of life seen after cardiac rehabilitation. The researchers suggest that reducing hostility should be emphasized in rehabilitation following a heart attack to improve long-term prognosis.
A Phase IIb trial found that VEGF-2 therapy led to significant improvements in exercise tolerance time and reduction in angina symptoms. The study suggests that the therapy may be associated with prolonged clinical benefits for patients with severe angina.
A new study found that sequential MDCT is sufficient for measuring coronary artery calcification. However, more research needs to be done to see if there are even better techniques.
Researchers found that combining liver transplantation and coronary artery bypass grafting is a safe approach for patients with severe coronary artery disease and end-stage liver disease. The procedure's success depends on careful multidisciplinary evaluation, coordination, and graft selection.
A recent study found that 91% of patients with cardiovascular disease suffered from moderate to severe periodontitis, while 66% in non-cardiac patients. Periodontitis may influence the occurrence and severity of coronary artery disease and increase heart attack or stroke risk.
Researchers have successfully developed a gene therapy approach to treat peripheral arterial disease, stimulating blood vessel growth and improving perfusion in damaged leg tissue. The treatment also appeared to prevent programmed cell death, as the researchers reported.
Heart failure patients face significant risks after major non-cardiac surgery, including high mortality rates and readmissions. The study, analyzing Medicare data, reveals a stark contrast in outcomes between heart failure patients and those with coronary artery disease or no heart disease.
Researchers found that physical fitness was a significant predictor of cardiovascular disease risk factors and events, even after adjusting for obesity measures. Women with lower levels of physical fitness were more likely to have CAD risk factors and obstructive CAD.
Research suggests that increased physical activity is a crucial factor in preventing cardiovascular risk, regardless of body weight. Women with moderate to high levels of physical fitness had significantly greater event-free survival compared to those with low activity scores.
The Euro Heart Survey on diabetes and the heart found abnormal glucose regulation is common in patients with coronary artery disease. Patients with diabetes face a dismal prognosis, but those without known diabetes can benefit from improved treatment standards.
A new UCSD study found that general pediatricians and specialists frequently miss diagnosing Kawasaki disease in children under six months and over eight years old, leading to preventable coronary artery damage. The study aims to raise awareness and provide recommendations to improve diagnosis and treatment of the disease.
A new technique using hybrid scanners combines PET and CT to diagnose coronary artery disease, providing a precise picture of the heart's function. This method is more accurate than traditional diagnostic methods and may relieve patients from invasive procedures.
Researchers found that blockages in smaller arteries, which can't be spotted on standard tests, might be causing chest pain in women. Women who underwent a new imaging scan showed abnormal levels of phosphates, indicating their heart tissue wasn't getting enough blood.
A study of 2,125 adults found that those with the highest blood concentrations of lead or cadmium were almost three times more likely to develop PAD. The highest levels of the two metals were well within what is currently considered safe levels.
The FREEDOM trial will investigate the impact of cardiovascular disease in diabetics and develop new approaches to management and treatment. The study aims to provide clear guidelines on procedures for diabetic patients, including CABG and angioplasty with stents.
Duke University Medical Center researchers discovered a link between the level of endothelial progenitor cells (EPCs) and coronary artery disease severity. Patients with multi-vessel disease had significantly lower EPC counts, indicating that these cells play an important role in protecting blood vessels from damage.