Research on heart failure and its treatment. Covers light exposure, heart-in-a-dish models, microRNA therapy, and surgical interventions.
Two studies published in JAMA found that adopting a healthy lifestyle reduces lifetime risk of heart failure, with men who exercised regularly, drank moderately, and had a balanced diet having a lower risk. The studies also found an association between adherence to modifiable lifestyle factors and a significantly lower incidence of hyp...
Researchers found that diabetic patients with heart failure who have blood glucose levels slightly higher than recommended have the lowest risk of death. In contrast, those with levels too high or too low are at increased risk of mortality.
A 16-year-old girl, Hannah Clark, has made a remarkable recovery after having her transplanted heart removed 10.5 years after it was implanted. Her own heart had recovered sufficiently to operate on its own, allowing the donor heart to be removed without major complications.
Researchers are developing innovative cell cycle-based strategies to stimulate heart muscle tissue repair, as well as studying molecular mechanisms of non-compaction of the left ventricle. The goal is to identify risk factors associated with death and improve treatment outcomes for children with congenital heart defects.
Researchers at the University of Alabama at Birmingham found that atrial fibrillation significantly increases hospitalization due to worsening heart failure in patients not receiving beta-blockers. However, the risk of all-cause mortality was similar between those with and without atrial fibrillation.
A landmark study demonstrates a significant reduction in heart failure or death in patients with heart disease who received CRT-D versus ICD-only. The MADIT-CRT trial showed a 29% decrease in mortality and heart failure symptoms, improving survival and outcome for patients with severe heart disease.
A new study reports a safe and effective nonsurgical technique for repairing leaking mitral valves, which could significantly reduce risks associated with surgical repair. The Percutaneous Transvenous Mitral Annuloplasty (PTMA) system improved mitral regurgitation in patients treated with the reversible implant.
Researchers at Mayo Clinic have found a peptide that preserves and improves kidney function during heart failure, potentially reducing the risk of kidney damage. The new compound has been tested in laboratory and animal models and is expected to move into clinical trials next year.
A new study published in the Journal of Cardiac Failure found that low NT-proBNP levels can exclude significant left ventricular dysfunction, but elevated values are non-specific. For older patients and those with diabetes or hypertension, a negative predictive value of over 99% was observed.
A study found that hospitalists who staff short-stay units with accessible diagnostic tests and consultations have successful stays. Patients requiring less complex care had successful stays, while those needing specialty consultations were more likely to have unsuccessful stays.
A recent phase II study found aleglitazar to be safe and well-tolerated, reducing HbA1c levels in patients with type 2 diabetes. The medication also showed a favorable lipid profile without significant cardiovascular risks.
A study found that rosiglitazone, used in combination with standard diabetes treatments, does not increase cardiovascular disease or death risk but doubles the risk of heart failure and fractures, mainly in women. The study included 4447 patients with type 2 diabetes.
Researchers found that preventing vascular congestion can help alleviate symptoms of heart failure. The study suggests that targeting venous endothelial responses may be an effective way to prevent congestion and improve outcomes for patients with heart failure.
Researchers say that improved treatment selection and new therapies could help reduce mortality and rehospitalization rates in acute heart failure. Current treatments have not changed much despite the growing prevalence of heart failure, and the current guidelines emphasize urgent therapy.
Studies found promising results for new treatments, including an inotropic drug and vasodilator relaxin, which improved symptoms and outcomes in patients with stable heart failure. Additional research is needed to assess safety and effectiveness of these treatments.
The Réseau Respecti-coeur program emphasizes personalized nutrition, allowing patients to adapt their healthy eating habits to their taste and lifestyle. Interactive cooking demonstrations and recipes provide support for heart-healthy meal preparation.
Several novel biomarkers have been discovered in heart failure syndrome, including ST2, troponins, AGEs, adrenomedullin, and estradiol. These biomarkers offer valuable information for diagnosis, risk stratification, and treatment monitoring, as well as providing insights into the disease's underlying pathophysiology.
Patients with both obesity and diabetes face a significantly worse prognosis, with effective treatment being
Acute exacerbations of heart failure are frequent and serious, but recognizing early warning signs can minimize delays in treatment. Shortness of breath is the most common symptom, often described as suffocation or heavy breathing. Families should also be taught to recognize other symptoms such as cough, chest pain, and fatigue.
New telemonitoring systems provide a more interactive experience for patients with heart failure, offering education, feedback, and advice on adjusting therapy. These systems have shown promise in reducing mortality and hospitalization rates, but service integration is crucial to fully realizing their benefits.
A new study found that anemia in chronic heart failure patients is associated with a significantly increased risk of death and poorer left ventricular function. Researchers analyzed data from 97,699 patients and concluded that optimal treatment of anemia may reduce mortality rates and improve patient outcomes.
Researchers demonstrated a non-invasive procedure that increased myocytes and reduced cardiac tissue injury by 60%, improving heart function by 40%. The therapy also reduced fibrosis, promoting regeneration of heart tissue.
A new study confirms the benefits of diuretic drugs in reducing the risk of heart failure and stroke in high blood pressure patients. The research, which analyzed data from multiple clinical trials, found that diuretics work as well or better than other medications in preventing major complications of hypertension.
A study published in JAMA found that men with systolic chronic heart failure who have low or high levels of estradiol have an increased risk of death compared to those with moderate levels. The study, conducted on 501 men, showed that both low and high concentrations of circulating estradiol are significant predictors of a poor prognosis.
A large study led by Beth Israel Deaconess Medical Center demonstrates that following the DASH diet significantly reduces women's risk of developing heart failure. The diet, high in plant foods and low in sugar and saturated fats, also lowers blood pressure.
A Swedish study found that women who followed the Dietary Approaches to Stop Hypertension (DASH) diet had a lower risk of heart failure. The study analyzed data from 36,019 women and found that those with higher DASH scores had half the rate of heart failure compared to those with lower scores.
Regular exercise has been shown to improve markers of heart disease in post-CABG patients, event-free survival rate in coronary patients compared to stent angioplasty, and endothelial function in heart failure patients. The benefits were seen regardless of age, with improvements in physical capacity, lipids, inflammation, and endotheli...
A study published in Journal of Cardiac Failure found that obstructive sleep apnea and central sleep apnea are prevalent in heart failure patients, with 47% experiencing moderate to severe breathing disorders. The prevalence was not decreased by beta-blockers and spironolactone treatment.
A study of 39,367 Swedish men found that eating fatty fish once a week reduced the risk of heart failure by 12%, while consuming more than three servings per week did not show a significant difference. Omega-3 fatty acids in fish oils were also linked to a 33% lower risk of heart failure.
A large study found that eating fatty fish once a week reduces the risk of heart failure in men by 12%, while moderate intake of marine omega-3 fatty acids also has a protective effect. However, no significant benefit was seen with higher intakes of either food group.
Telemonitoring is being integrated into cardiac nursing practice to improve heart failure management. The technology enables nurses to remotely monitor patients' vital signs and provide guidance on lifestyle changes and medication.
Aerobic exercise training was associated with a modest reduction in the risk of death and hospitalization in patients with heart failure. The study found that exercise adherence decreased over time, but there was no significant difference in mortality rates between the exercise training group and the usual care group.
Patients with moderate to severe heart failure who exercised regularly had a 11% lower risk of hospitalization or death compared to those who didn't exercise. Exercise also reduced the risk of death from cardiovascular disease and complications related to heart failure.
A new study published in Circulation: Heart Failure found that a larger waist circumference is associated with an increased risk of heart failure in both men and women. The research examined two Swedish population-based studies and found that excess body weight was linked to higher rates of heart failure, regardless of BMI.
A clinical trial found that exercise significantly improves the lives of heart failure patients by improving physical limitations, symptoms, and overall quality of life. The study, which enrolled over 2,300 patients, showed a five-point gain on quality-of-life measures for those who exercised, compared to those who received standard care.
A clinical trial found that regular exercise significantly improved the quality of life for patients with chronic heart failure, reducing the risk of death and hospitalization. The study also revealed that exercise was well-tolerated and safe, with participants reporting fewer physical and social limitations.
The European Society of Cardiology reports that heart failure is the most prevalent chronic cardiac condition in Europe, with 30 million cases identified. Recent improvements in diagnosis and treatment have led to a significant reduction in mortality rates, but challenges persist in prevention, diagnosis, and treatment.
A new, smaller, and lighter implantable heart pump has been shown to be effective in bridging patients with severe heart failure to eventual transplantation. The device, called a left ventricular assist device (LVAD), was tested on 98 patients and found to improve their quality of life and survival rates.
Researchers at Medical College of Georgia developed novel assays to measure corin and active ANP levels in patients with heart failure. Low corin levels may indicate heart failure or those at risk for the condition.
Researchers at Emory University School of Medicine developed the Health ABC Heart Failure Model to predict risk of new onset heart failure in the elderly. The model, validated with a separate library of patient data, identifies high-risk individuals for targeted interventions.
A phase II study showed relaxin reduces cardiovascular mortality and shortness of breath in heart failure patients with high blood pressure. The drug also improves other clinical endpoints, including hospital stay and days alive out of hospital.
A large international clinical trial found that surgical ventricular reconstruction did not reduce deaths and hospitalizations in heart failure patients, nor improve quality of life compared to bypass alone. The study, STICH, included 1,000 patients from 96 medical centers in 23 countries.
A Henry Ford Health study found that increasing exercise parameters improves quality of life and reduces hospitalization and death risk in heart failure patients. Patients who exercised for 25 minutes at moderate intensity lowered their estimated risk by 10-25 percent.
Researchers compared two groups of patients with coronary artery disease and severe heart failure, finding that surgical ventricular reconstruction made no difference in key clinical outcomes. The study's findings challenge conventional wisdom that making the heart smaller and more normal makes it stronger.
Researchers have discovered two efficient biomarker applications that promise even earlier diagnosis and improved treatment of heart failure. Biomarkers N-terminal pro-B-type natriuretic peptide (NT-proBNP) and cystatin C can identify patients at high risk, enabling targeted care and reducing healthcare costs.
Researchers found that surgical ventricular reconstruction did not improve patients' survival or quality of life, but increased hospitalization costs. The study compared outcomes between patients who received bypass surgery alone and those with added SVR, revealing no significant difference in quality of life measures.
Heart failure is striking younger African-Americans, with one in 100 developing the condition at an average age of 39, compared to Caucasians in their fifties. The study emphasizes the importance of addressing risk factors like hypertension and obesity in young adults to prevent heart failure.
Researchers at Thomas Jefferson University identified a novel signaling pathway mediating aldosterone production, which promotes heart failure. Blocking beta-arrestin-1 could lead to lower aldosterone levels and alleviate negative remodeling processes in the injured heart.
A study published in CMAJ found that implanted defibrillators offer limited survival benefits for older patients with comorbidities. However, younger patients and those without kidney disease may see a benefit from implantable defibrillators to prevent sudden death. The study analyzed over 14,000 patients with heart failure.
Researchers found significant discrepancies between self-reported fatigue and actigraphy readings, suggesting a link between heart failure, sleep disorders, and impairments in health-related quality of life. The study may lead to different approaches to patients suffering from anergia or 'lack of energy'.
The American Board of Medical Specialties approves a new subspecialty in Advanced Heart Failure and Transplant Cardiology, which will provide high-level care for patients with worsening heart failure. The first certified cardiologists will be trained by 2010, offering improved treatment options and outcomes for heart failure patients.
Researchers found that mice missing the AT1A protein lived significantly longer due to reduced oxidative damage and increased cell survival genes. The study suggests that antagonizing this receptor may also promote human longevity.
A study at Columbia University Medical Center found that experimental heart failure drugs may slow muscle loss in Duchenne muscular dystrophy, a fatal genetic disorder. The new class of drugs targets the same microscopic leak that weakens both skeletal and cardiac muscles.
A new study published by Elsevier found that nearly half of patients with heart failure have problems with memory and other aspects of cognitive functioning. Memory problems, especially short-term memory, were the most common type of cognitive deficit in these patients.
Researchers at UC Davis have discovered a new class of drugs that can reduce heart swelling and reverse heart failure. The study, led by cardiologist Nipavan Chiamvimonvat and entomologist Bruce Hammock, found that the enzyme soluble epoxide hydrolase plays a key role in the development of cardiac hypertrophy.
A study published in JAMA found that intensive treatment guided by N-terminal brain natriuretic peptide (BNP) levels significantly improved hospital-free survival in heart failure patients under 75 years old. However, this benefit was not observed in patients over 75 years old.
A study published in JAMA found that using N-terminal brain natriuretic peptide (BNP) to guide therapy did not improve overall clinical or quality of life outcomes for older patients with heart failure. In contrast, the study showed improved survival rates and reduced hospitalizations for patients receiving BNP-guided therapy.
Prolonged loop diuretic use was linked to increased fracture risk in postmenopausal women, but not to bone mineral density changes or falls. The study suggests that fracture prevention measures may be necessary for women on loop diuretic therapy.
A recent study found that female patients are less frequently treated with evidence-based treatments for heart failure, including ACE inhibitors and beta-blockers. However, the gender of the physician plays a significant role in adherence to treatment recommendations, with male physicians prescribing more complete treatment for female ...
Researchers have provided insight into the signaling mechanisms behind high blood pressure-induced heart muscle thickening. A new study found that mice lacking RGS2 developed hypertrophy more rapidly than normal mice, leading to heart failure and death at a young age.