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Researchers report a discovery in cardiac regeneration that offers new hope for the treatment of ischemic heart failure. Published in npj Regenerative Medicine, the study reveals a novel approach to promoting cardiomyocyte proliferation. The researchers are from the Michael E. DeBakey Department of Surgery at Baylor College of Medicine, the QIMR Berghofer Medical Research Institute in Brisbane, Australia, and collaborating institutions.
Researchers have successfully repaired damaged mouse hearts using a protein from zebrafish. They discovered that the protein Hmga1 plays a key role in heart regeneration in zebrafish. In mice, this protein was able to restore the heart by activating dormant repair genes without causing side effects, such as heart enlargement. This study marks an important step toward regenerative therapies to prevent heart failure.
Nature Reviews Cardiology, Published online: 07 February 2025; doi:10.1038/s41569-025-01131-4 Hypertension is the leading cause of death globally but has low rates of diagnosis and treatment. In this Review, Dhaun and colleagues discuss the reasons for poor control of hypertension, such as therapeutic inertia and poor patient adherence, as well as novel pharmacological approaches to blood pressure lowering.
By Smith with comments from our electrophysiologist, Rehan Karim. (And of course Ken's comments at the bottom) An elderly obese woman with cardiomyopathy, Left bundle branch block, and chronic hypercapnea presented hypoxic with altered mental status. She was intubated. Bedside cardiac ultrasound showed moderately decreased LV function. CT of the chest showed no pulmonary embolism but bibasilar infiltrates.
Speaker: Simran Kaur, Co-founder & CEO at Tattva Health Inc.
AI is transforming clinical trials—accelerating drug discovery, optimizing patient recruitment, and improving data analysis. But its impact goes far beyond research. As AI-driven innovation reshapes the clinical trial process, it’s also influencing broader healthcare trends, from personalized medicine to patient outcomes. Join this new webinar featuring Simran Kaur for an insightful discussion on what all of this means for the future of healthcare!
Greetings! Welcome to the Physiology Friday newsletter. Details about the sponsors of this newsletter including FSTFUEL electrolytes, Examine.com , and my book “VO2 Max Essentials ” can be found at the end of the post. You can find more products I’m affiliated with on my website. Physiologically Speaking is a reader-supported publication.
Background Individual cardiometabolic diseases (CMDs) increase atrial fibrillation (AF) risk; however, whether multiple CMDs exert a cumulative effect on AF risk remains unclear. Our objective was to examine the link between coexisting CMDs and AF, as well as their cumulative impact. Methods This UK Biobank-based prospective cohort study included data from participants with information related to CMDs and AF.
“Cholesterol does not cause heart disease.“ “Statins do not prevent heart attacks.” These are two statements you will hear repeatedly on social media. Usually made by those who really don’t understand what they are saying but increasingly by doctors who really should know better. In the middle of this hurricane of noise are people who just want to know what to do so they don’t have a heart attack at a young age.
“Cholesterol does not cause heart disease.“ “Statins do not prevent heart attacks.” These are two statements you will hear repeatedly on social media. Usually made by those who really don’t understand what they are saying but increasingly by doctors who really should know better. In the middle of this hurricane of noise are people who just want to know what to do so they don’t have a heart attack at a young age.
IntroductionAcute coronary syndrome refers to a group of diseases characterized by sudden, decreased blood supply to the heart muscle that results in cell death, also known as acute myocardial infarction. This results in severe chest pain or discomfort, with the subsequent release of cardiac biomarkers, and alterations in the electrocardiogram. It can cause diminished heart function and mortality if not treated properly with suitable measures.
Just a couple weeks after the full trial results of AZALEA TIMI 71 were released, Novartis agreed to acquire Anthos Therapeutics for $925M upfront and another $2.15B in milestone payments, signaling that the pharma titan may have renewed confidence in abelacimab and the Factor XI inhibition segment. Novartis spun out the testing and development of abelacimab and formed Anthos Therapeutics back in 2019.
tim.hodson Fri, 03/14/2025 - 11:42 March 11, 2025 CareDx, Inc. The Transplant Company recently announced that AlloSureis now commercially available for pediatric heart transplant patients of all ages and patients who have received a simultaneous pancreas-kidney (SPK) transplant. Both indications are approved by the New York State Clinical Laboratory Evaluation Program, demonstrating that AlloSure has met the most rigorous validation standards for laboratory developed tests (LDTs).
Press Release Patients Who Received Ross Procedure Demonstrate Excellent Survival Rates after 20 Years January 26, 2025 KCummings Sun, 01/26/2025 - 13:40 LOS ANGELES January 26, 2024 Young patients who have undergone the Ross procedure for aortic valve disease have shown excellent long-term survival, the majority without the need for additional surgery two decades later.
Researchers from Mass General Brigham and collaborating institutions have developed a non-invasive approach to manipulate cardiac tissue activity by using light to stimulate an innovative ink incorporated into bioprinted tissue. Their goal is to develop a technique that can be used to repair the heart. Their findings in preclinical models, published in Science Advances, show the transformative potential of non-invasive therapeutic methods to control electrically active tissues.
Researchers have developed a way of bioprinting tissues that change shape as a result of cell-generated forces, in the same way that it happens in biological tissues during organ development. The breakthrough science focused on replicating heart tissues, bringing research closer to generating functional, bioprinted organs, which would have broad applications in disease modelling, drug screening and regenerative medicine.
Background Menopause is a timely opportunity to screen for cardiovascular disease (CVD) and intervene with healthier lifestyles. We investigated the association between premature/early menopause and the likelihood of CVD and whether a healthy lifestyle is associated with a lower likelihood of CVD in menopausal woman. Methods The Sax Institute’s 45 and Up Study prospectively recruited participants aged ≥45 years (n=267 357) between 2005 and 2009 (New South Wales, Australia).
Nature Reviews Cardiology, Published online: 28 February 2025; doi:10.1038/s41569-025-01143-0 Epigenetic editing holds great promise for the treatment of many diseases, including cardiovascular disease. However, realizing this potential requires more than developing robust technology and demands a steadfast focus on patient needs and inclusion, to ensure that access to epigenetic medicine will be equitable and will benefit diverse populations worldwide.
On this month's EM Quick Hits podcast: Anand Swaminathan on optimizing RSI medication timing, Brittany Ellison ED boarding challenges in older patients and solutions to ED crowding and flow, Dave Jeromeon managing prolonged tourniquet application, Nour Khatib and Phil Gillick on a rural peer support case, Jesse McLaren on ECG reciprocal changes in acute coronary occlusion, and Melody Ngon practical nutrition tips for shift workers.
Introduction ST-elevation myocardial infarction (STEMI) is one of the most prevalent presentations in young patients. It is essential to emphasise that each minute of delay in providing medical care is negatively correlated to the patient’s prognosis. The present study was carried out to evaluate the ischaemia-reperfusion times in patients ≤40 years of age versus individuals >40 years of age and their association with mortality and major adverse cardiac event (MACE) over the long
It is possible to reduce your risk of heart disease by over 90% 1. Let me show you how. But first, let’s get some facts straight. Over a long enough time frame, pretty much everyone will get heart disease. By the time you get to age 80, you will almost certainly have evidence of plaque in your coronary arteries - you will have heart disease. But remember: Heart disease doesn’t kill people.
IntroductionThere is growing evidence that patients with SARS-CoV-2 (The severe acute respiratory syndrome coronavirus 2) may have a variety of cardiovascular complications in the post-acute phase of COVID-19, but these manifestations have not yet been comprehensively characterized.MethodsWe performed a systematic review and meta-analysis of primary research papers which evaluated individuals at least four weeks after confirmed COVID-19 diagnosis and reported on cardiovascular disease prevalence
Brevity? [Not my strong point] Today, it is almost as if it never happened. The time of COVID-19 (which I shall simply call Covid from here on). It came, it went, it is now ancient history. Hardly anyone wants to talk about it anymore. Why not? I suppose you could say, whats the point? You cant do anything about it. What is done, is done. True, but maybe you can help to prevent most damaging things from happening again.
Press Release New Study Finds Mechanical Valves Offer Superior Long-Term Survival for Aortic Valve Replacement Patients Aged 60 and Younger January 25, 2025 KCummings Sat, 01/25/2025 - 13:33 LOS ANGELESJanuary 25, 2025A late-breaking study presented today at the 2025 Society of Thoracic Surgeons (STS) Annual Meeting reveals that mechanical aortic valve replacements (AVRs) provide significant long-term survival benefits for patients aged 60 and younger compared to bioprosthetic valves.
Circulation, Ahead of Print. This American Heart Association/American College of Cardiology scientific statement on clinical considerations for competitive sports participation for athletes with cardiovascular abnormalities or diseases is organized into 11 distinct sections focused on sports-specific topics or disease processes that are relevant when considering the potential risks of adverse cardiovascular events, including sudden cardiac arrest, during competitive sports participation.
Walking in a winter wonderland may sound serene and peaceful, but shoveling your sidewalks to take that walk could quickly change delightful to deadly. According to the American Heart Association, the world's leading nonprofit organization focused on heart and brain health for all, research shows that the exertion of shoveling snow may lead to an increased risk of a heart attack or sudden cardiac arrest.
People with pockets of fat hidden inside their muscles are at a higher risk of dying or being hospitalized from a heart attack or heart failure, regardless of their body mass index, according to new research. This 'intermuscular' fat is highly prized in beef steaks for cooking. However, little is known about this type of body fat in humans, and its impact on health.
Nature Reviews Cardiology, Published online: 20 January 2025; doi:10.1038/s41569-025-01118-1 The past 20 years have witnessed remarkable progress in the evolution of transcatheter procedures for the treatment of adult patients with congenital heart disease. In this Review, Rods-Cabau and colleagues provide a comprehensive overview of the available transcatheter interventions for these patients, focusing on their current indications and associated outcomes.
Greetings! Welcome to the Physiology Friday newsletter. Details about the sponsors of this newsletter including FSTFUEL electrolytes, Examine.com , and my book “VO2 Max Essentials ” can be found at the end of the post. You can find more products I’m affiliated with on my website. Physiologically Speaking is a reader-supported publication.
Background Hypertrophic cardiomyopathy (HCM) is commonly associated with atrial fibrillation (AF), but its impact on outcomes in real-world practice is uncertain. The aim of the study was to evaluate the clinical profile and prognosis of patients with HCM and AF. Methods Overall, 1739 adult patients with HCM (40.9% women; median age: 55.5 years) were enrolled in the EURObservational Research Programme (EORP) Cardiomyopathy/Myocarditis Registry.
Journal of the American Heart Association, Ahead of Print. Perinatal psychological health conditions (eg, perinatal depression, anxiety) are some of the leading causes of maternal mortality in the United States and are associated with adverse pregnancy outcomes, longterm cardiovascular outcomes, and intergenerational effects on offspring neurodevelopment.
Globally, cardiovascular diseases (CVDs) are a leading cause of death as they are responsible for the loss of at least 17 million lives annually. It has been established that the pathogenesis of CVDs is strongly associated both with inflammation as well as with inflammatory markers (proteins, cytokines, amongst others). In this perspective, the role of one of these proinflammatory proteins, referred to as P-selectin glycoprotein ligand (PSGL)-1, is of particular interest.
What is inside the Heart Health Formula? A step-step guide to: - Understanding Heart Disease. - Defining Heart Disease Risk. - Reducing Heart Disease Risk. When I set out on my journey over a decade ago to put together a system to do this comprehensively, it did not exist in a way that I found useful. So, I created a system myself. The Heart Health Formula is made up of 3 main modules.
As one of our board certified vascular surgeons, Dr. Nicolas Zea performs a variety of complex procedures, and his dedication to patient care and service is exceptional. What you might not know about him is that he is also an avid adventurer, running ultra marathons and traveling far and wide to embark on trail run excursions and mountain climbing expeditions.
Circulation, Ahead of Print. Critical care cardiology refers to the practice focus of and subspecialty training for the comprehensive management of life-threatening cardiovascular diseases and comorbid conditions that require advanced critical care in an intensive care unit. The development of coronary care units is often credited for a dramatic decline in mortality rates after acute myocardial infarction throughout the 1960s.
Teenagers who do not get the recommended amount of sleep may be at an increased risk for high blood pressure, according to preliminary research presented at the American Heart Association's Epidemiology, Prevention, Lifestyle & Cardiometabolic Health Scientific Sessions 2025. The meeting is being held in New Orleans, March 69, 2025, and features the latest science on population-based health and wellness and implications for lifestyle.
Researchers have used mathematical analysis tools to study the effect of classical music on a fetal heartbeat and identify patterns in heart rate variability. They recruited 36 pregnant women and played two classical pieces for their fetuses. By attaching external heart rate monitors, the researchers could measure the fetal heart rate response to both songs, and by employing nonlinear recurrence quantification analysis, they could identify changes in heart rate variability during and after the m
Understanding cell fate regulation in the liver is necessary to advance cell therapies for hepatic disease. Liver progenitor cells (LPCs) contribute to tissue regeneration after severe hepatic injury, yet signals instructing progenitor cell dynamics and fate are largely unknown. Tissue inhibitor of metalloproteinases 1 (TIMP1) and TIMP3 control the sheddases ADAM10 and ADAM17, key for NOTCH activation.
Zane had three open heart surgeries before he turned 3. And surprisingly, he had a more routine care journey than his brother, Zeke. Zeke and Zane were both diagnosed with hypoplastic left heart syndrome (HLHS) before birth. As far as congenital heart diseases go, HLHS falls on the rarer end of the spectrum. The odds that either boy would have the condition are low roughly 1 in every 3,800 babies are born with it.
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