Articles tagged with Coronary Artery Disease
Researchers found that a single DNA variation helps protect African-Americans from coronary artery disease, with those having the alternative genetic code having a fivefold reduction in artery narrowing or clogging. The protective effect is even more pronounced when individuals inherit two copies of the guanine gene variant.
A six-year follow-up study found that shouldering family demands and worries increases the risk of angina in middle-aged Danish women and men. The study tracked over 4,500 participants and found that worrisome/demanding relationships with a partner or child posed the greatest risks, with a nearly four-fold increase in angina symptoms.
New study shows combo CT scans of heart and arteries are comparable to traditional SPECT nuclear imaging tests in detecting coronary artery disease. The combination CT scans identified 71% of patients with reduced blood flow, while correctly identifying those without slowing down 90% of the time.
A massive international study found no association between a genetic marker and the risk of coronary artery disease. The study analyzed data from over 17,000 patients with cardiovascular disease and 40,000 others, concluding that carrying a particular variant of the KIF6 gene does not indicate a greater risk for the disease.
Researchers found that a low-carb diet based on animal protein may increase death risk compared to a vegetable-based diet. Additionally, patients often overestimate the benefits of percutaneous coronary intervention (PCI) and radiation-free magnetic resonance angiography (MRA) offers an accurate diagnosis for peripheral arterial disease.
Patients with hypertension, diabetes, and coronary artery disease who maintained systolic blood pressure at less than 130 mm Hg did not have improved cardiovascular outcomes compared to usual blood pressure control. Tight blood pressure control was actually associated with increased risk of all-cause mortality.
A systematic review of C-reactive protein studies found publication bias and low study quality, casting doubt on the marker's reliability. The authors propose improved research protocols to address these issues.
Researchers found significant cost increases in Medicare claims between 2003 and 2006, with DES contributing $3.32 billion to growth and ICDs contributing $774 million. Average costs for coronary artery disease and chronic heart failure patients increased substantially, driven by the use of these devices.
A study by UC Davis researchers has identified a blood component, lipoprotein-associated phospholipase A2 (Lp-PLA2), as a predictor of coronary artery disease in African-Americans. The finding highlights the role of inflammation in vascular disease among this ethnic group and may lead to more targeted treatment approaches.
Men experiencing impotence should undergo thorough medical assessments due to significant proportion exhibiting early signs of coronary artery disease. The authors suggest that the link between the two conditions could be due to atherosclerosis, leading to restricted blood flow.
Researchers have developed a non-invasive Respiratory Stress Response (RSR) test that can accurately measure the presence of significant coronary artery disease, with a sensitivity and specificity of 83% and 70%, respectively. The test uses a Pulse Oximeter to measure blood flow in response to paced breathing.
A study found that a 35 percent decrease in CHD mortality was largely attributed to reductions in traditional risk factors. The decline in deaths was associated with significant declines in the use of treatments for conditions such as heart failure, coronary artery disease, and high blood pressure.
A meta-analysis of fibrate drugs found significant reductions in major cardiovascular events and coronary events. Fibrates also showed a modest risk reduction for albuminuria progression, an early marker of kidney disease.
A retrospective study found that complete revascularization significantly improved outcomes for patients with coronary artery disease (CAD), with a 3-year mortality rate of 6.6% compared to 14.8% in those with incomplete revascularization. The study also revealed that advanced medical therapy may contribute to improved mortality rates.
A recent study published in the American Journal of Roentgenology found that the Framingham risk assessment tool has limited sensitivity in detecting coronary artery disease. In fact, simple observation of coronary calcium presence using CT scans was more effective in identifying patients with substantial atherosclerosis.
A new pilot study led by UC and VA researchers is evaluating the functional significance of blockages in cardiac blood vessels. Using a formula derived from fluid mechanics principles, they aim to provide more accurate assessments of vessel blockages.
Researchers found that a family history of early coronary artery disease increases the risk of developing obstructive CAD and plaque buildup in arteries. The study analyzed over 8,200 patients who underwent cardiac computed tomography angiography, revealing a 28% higher chance of disease development among those with a family history.
A new study from Henry Ford Health finds that patients with high levels of abdominal aortic calcium (plaque) are nearly 60% at risk of coronary artery disease and dying. Conversely, those with low AAC scores have a lower risk of heart disease.
Researchers found that lowering systolic blood pressure below 115 can increase cardiovascular risk for patients with diabetes and coronary artery disease. This new data challenges traditional guidelines recommending lower blood pressure levels as better.
A new study finds that nearly 60% of chest pain patients without prior heart disease have no significant coronary artery disease, highlighting the need for improved identification methods. The study suggests re-evaluating patient selection processes, including history taking and risk factor assessment.
Researchers have developed a novel, non-invasive measure called Respiratory Modulation Response (RMR) to quickly and accurately detect the presence of significant coronary artery disease. Patients with sCAD had a lower RMR compared to patients without, regardless of their risk factors or clinical history.
Research reveals that a DNA interval in chromosome 9p21 increases the risk for coronary artery disease by regulating cell division genes, which can lead to vascular cell proliferation and narrowed coronary arteries. The study's findings suggest potential therapies targeting these genes could combat the disease.
Researchers at Duke University Medical Center identified specific metabolic profiles associated with coronary artery disease, heart attacks, and death. The study analyzed metabolites in nearly 10,000 patients and found two sets of metabolites that differentiated between those with and without cardiovascular disease.
Researchers found patients with significant coronary artery disease had a significantly lower cardiac respiratory stress response compared to those without the condition. The test uses a Pulse Oximeter to measure blood flow in response to paced breathing, with high accuracy and sensitivity.
A Massachusetts General Hospital study found significantly more coronary atherosclerotic plaques and obstructive coronary artery disease in HIV-infected men with minimal cardiac risk factors. The research highlights the importance of addressing cardiovascular risk factors early in HIV disease.
The new series aims to address the shortage of geriatric expertise in healthcare. The series will explore themes that develop with aging, such as frailty and loss of independence. By analyzing real stories of patients and interviews, it will provide clinicians with pragmatic tools for translating evidence into daily practice.
A study found that ethnic background, body mass index, and heart rate impact the diagnostic accuracy of MDCT scans. Researchers say advances in scanners can improve image quality for more accurate diagnoses.
A study found that patients with peripheral arterial disease (PAD) and no symptoms of heart disease are at high risk for cardiovascular events. Asymptomatic coronary artery disease was detected in 24% of PAD patients through non-invasive imaging, highlighting the need for extensive cardiovascular risk factor management.
A new study published in the Journal of the American College of Cardiology found that women are less likely to exhibit signs of structural heart disease, which is a precursor to fatal cardiac arrest. This means that fewer women may be eligible for current treatments that can prevent sudden cardiac arrest.
Researchers found that nearly half of patients with normal SPECT scans had moderate to severe coronary artery calcification, indicating high cardiac risk. Integrating CACS testing into functional SPECT scans can identify patients at high long-term risk and improve outcomes.
A quality improvement program increased hospitals' adherence to evidenced-based therapies, narrowing gender- and age-related disparities in coronary artery disease care. Average adherence improved significantly across all patient groups.
The BARI 2D study found that diabetic patients with stable coronary artery disease benefit from a global care approach, combining medical management and revascularization strategies. A total of 42% of patients required revascularization within 5 years, highlighting the importance of comprehensive care.
The SYNTAX Trial interim analyses show CABG is superior to PCI in patients with severe coronary artery disease, especially those with diabetes. A multidisciplinary team approach is recommended for decision-making in complex CAD cases.
Women may have a slightly higher risk of death than men in the 30 days following an acute coronary syndrome, but this difference appears to be due to factors such as severity and type of ACS. After adjusting for clinical characteristics and angiographic data, no significant difference in 30-day mortality was found.
A twin study examines associations between depression and coronary artery disease, finding that depression risk increases after diagnosis, especially in men. The long-term effect of coronary artery disease on depression risk is also significant.
A study by Johns Hopkins Medicine found that long-term memory losses and cognitive problems after bypass surgery are caused by coronary artery disease, not the heart-lung machine. Researchers discovered significant cognitive decline in patients with no use of heart-lung devices.
A new study found that intensive in-hospital smoking cessation support significantly increases long-term abstinence rates among heart patients compared to minimal support. Absence of previous heart attack, postsecondary education, and at-home smoking restrictions also contributed to successful cessation.
Researchers found that implementing new techniques to reduce radiation exposure from cardiac computed tomography angiography did not compromise image quality. The study showed a 53.3% reduction in patient radiation doses, with increases in low-volume imaging centers and improved use of lower tube voltage.
A new study published in Archives of Internal Medicine finds that women with chest pain but no coronary artery disease are at an elevated risk for cardiovascular events such as heart attack or stroke. The study suggests that these patients require a different treatment regimen and highlights the need to reevaluate their risk assessment.
Researchers at UT Houston have identified a single gene defect that causes thoracic aortic aneurysms, dissections, coronary artery disease, ischemic stroke, and Moyamoya disease. The study found that mutations in the ACTA2 gene can lead to increased smooth muscle cell multiplication, contributing to blocked or enlarged arteries.
A new urine screening test has shown promise in predicting coronary artery disease by identifying specific protein patterns associated with the condition. The test uses proteome analysis to detect collagen fragments found on the surface of atherosclerotic plaques, achieving an accuracy rate of 84%.
A study of 1970 patients found a strong association between gastroesophageal reflux disease and linked angina. Patients with GERD had a higher prevalence of linked angina than those without GERD symptoms, suggesting that GERD may be misclassified as non-GERD heartburn.
A study found that screening patients with type 2 diabetes for coronary artery disease (CAD) did not significantly reduce the rate of heart attacks or cardiac death. However, participants with normal results had lower event rates than those with abnormalities, suggesting the importance of appropriate diagnostic evaluation.
A study found that routine screening of type 2 diabetics identifies a small group at higher risk, but doesn't significantly impact overall outcome, suggesting unnecessary screening may have economic implications and unnecessary procedures.
Physicians can reduce radiation exposure by using tube current modulation in 'triple rule-out' coronary CT angiography. This technique reduces effective radiation doses from 9.9-31.3 mSv to 5.4-16.6 mSv, comparable image quality and less than nuclear stress test radiation.
The study found that the bioabsorbable stent was safe with only one major adverse event recorded at 2 years, a heart attack, and no new events between 6 months and 2 years. The device had been fully absorbed by 2 years, reducing the chance of restenosis.
Canada has a unique opportunity to become an international leader in personalized medicine, driven by advancements in human genome sequencing and genetic research. The country can capitalize on its strengths to provide a model for other nations.
Researchers have identified novel genetic markers associated with an increased risk of heart attack, which are more than twice as great in individuals carrying multiple genetic markers. The study found that genes on chromosomes 3 and 12 play a crucial role in cardiovascular biology.
Researchers discovered that idiopathic QT interval prolongation significantly increases the risk of sudden death among coronary artery disease patients. The study found a five-fold increase in odds for abnormally prolonged QT intervals of unknown etiology, highlighting its potential as a predictor for sudden cardiac death.
A genome-wide study has identified new genes involved in Kawasaki disease, a serious illness that affects young children and can cause coronary artery damage. The study found that genes related to cardiovascular function and inflammation may be key factors, leading to potential new diagnostics and treatments.
Researchers at Duke University Medical Center have found a genetic variation in the neuropeptide Y gene that increases susceptibility to early coronary artery disease. The study found six related variations in the gene associated with transmission from generation to generation and association across a population of patients.
Coronary CTA accurately evaluates patients with calcified coronary artery plaques, detecting stenosis with 72% accuracy rate. Non-invasive and cost-effective, CTA provides a comprehensive view of arteries from multiple angles.
A large study found that cardiac CT scans can effectively assess coronary artery stenosis with a high sensitivity rate of 98% and specificity of 91%. This non-invasive technique may avoid the need for invasive catheter angiography in patients with intermediate clinical probability of coronary artery disease.
A study found that genetic variation on chromosome 9p21 and poor glycemic control interact to increase the risk of coronary artery disease in type 2 diabetes patients. The odds of CAD were 4-fold higher for those with two risk gene variants and poor glycemic control compared to those with one variant but good control.
A clinical trial reveals that combining ivabradine with current treatments significantly improves exercise capacity and reduces symptoms in patients with stable angina. The study showed a threefold improvement in total exercise duration at four months compared to those receiving standard doses of beta blockers alone.
The SYNTAX trial found comparable safety and efficacy rates between drug-eluting stents and heart bypass surgery in patients with left main disease. Stent use resulted in fewer strokes, while bypass surgery had higher revascularization rates.
Researchers found less than half of Medicare patients had pre-elective PCI, and only 44.5% underwent stress testing within 90 days.
A recent study found that exposure to fine particles and black carbon from traffic sources was associated with ST-segment depression in patients with coronary artery disease. The study suggests that air pollution can affect heart health through inflammation of the heart muscle or reduced blood flow, highlighting the need for vigilance ...
Patients with suboptimal response to aspirin and/or clopidogrel showed a significant reduction in myocardial damage during percutaneous coronary intervention when treated with tailored infusion of tirofiban. This treatment strategy aims to modulate intensity of treatment based on individual platelet reactivity.
A positive exercise test indicates an increased risk of cardiac events, especially in athletes with underlying coronary artery disease. The test is crucial for evaluating high-risk athletes over 35 years old and those with known cardiac abnormalities.