Popular Mitral Valve News and Current Events

Popular Mitral Valve News and Current Events, Mitral Valve News Articles.
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Skewered pumpkins
A team of researchers headed by J. Fraser Stoddart and Jeffrey I. Zink at the University of California-Los Angeles, has developed a nanovalve which operates in an aqueous environment and under physiological conditions. (2008-03-07)

With a heavy heart: How men and women develop heart disease differently
A new study by researchers from McGill University has uncovered that minerals causing aortic heart valve blockage in men and women are different, a discovery that could change how heart disease is diagnosed and treated. (2020-04-24)

Engineering heart valves for the many
The Wyss Institute for Biologically Inspired Engineering and the University of Zurich announced today a cross-institutional team effort to generate a functional heart valve replacement with the capacity for repair, regeneration, and growth. The team is also working towards a GMP-grade version of their customizable, scalable, and cost-effective manufacturing process that would enable deployment to a large patient population. In addition, the new heart valve would be compatible with minimally invasive procedures to serve both pediatric and adult patients. (2017-05-18)

After the heart attack: Injectable gels could prevent future heart failure (video)
During a heart attack, clots or narrowed arteries block blood flow, harming or killing cells in the heart. But damage doesn't end after the crushing pain subsides. Instead, the heart's walls thin out, the organ becomes enlarged, and scar tissue forms. These changes can cause heart failure. Scientists now report they have developed injectable gels to prevent this damage. They present their work at the 252nd National Meeting & Exposition of the American Chemical Society. (2016-08-22)

Researchers reverse heart failure in Marfan mice
In experiments with mice that have a rodent form of Marfan syndrome, Johns Hopkins researchers report that even modestly increasing stress on the animals' hearts -- at levels well-tolerated in normal mice -- can initiate heart failure. The findings, described August 4 in the Journal of Clinical Investigation Insight, revealed a novel cellular pathway in heart tissue that leads to heart failure and may serve as a model for a new standard of treatment for children with this aggressive form of Marfan syndrome. (2017-11-14)

ESC/EACTS Guidelines for the management of valvular heart disease published today
European Society of Cardiology (ESC) / European Association for Cardio-Thoracic Surgery (EACTS) Guidelines for the management of valvular heart disease are published online today in European Heart Journal1 and on the ESC website. (2017-08-26)

St. Michael's Hospital cardiology team reports a world first
Interventional cardiologist Dr. Neil Fam of St. Michael's Hospital has performed a world-first procedure, which he described in the Feb, 26 issue of the Journal of the American College of Cardiology: Cardiovascular Interventions. (2018-03-02)

Endobronchial valve treatment appears to improve lung function in patients with severe emphysema
People with severe emphysema may breathe better after a minimally invasive procedure that places valves in the airways leading to diseased portions of their lungs, according to a randomized, controlled trial published online in the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine. (2017-09-08)

Management of mitral regurgitation in a patient contemplating pregnancy
In the current issue of Cardiovascular Innovations and Applications (Volume 2, Number 4, 2018, pp 439-446(8); DOI: https://doi.org/10.15212/CVIA.2017.0027, researchers Yee-Ping Sun and Patrick T. O'Gara, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass., USA present a case study of management of rheumatic mitral regurgitation in a woman contemplating pregnancy. (2018-04-18)

New findings about why losartan is effective in treating Marfan syndrome may reshape our thinking about patient management
Progressive dilation of the aortic root is considered one of the most serious manifestations of Marfan syndrome. The antihypertensive losartan is one of the two medications recommended by current guidelines attenuate the progression of this aortic enlargement, but which medication works best is still controversial. A new report in The American Journal of Pathology confirms losartan's efficacy but finds that the underlying mechanism of action is different than previously thought, opening up new possibilities for improvements in Marfan syndrome management. (2018-02-09)

Patients who stay in hospital less than 3 days after TAVR fare better
Transcatheter aortic valve replacement (TAVR) patients who are required to stay in the hospital more than three days after the procedure are at a significantly greater risk of heart attack, stroke or death after one year, compared to patients discharged in less than 72 hours, according to a study published today in JACC: Cardiovascular Interventions. (2019-03-04)

First ever risk tool predicts readmission rates for patients after undergoing TAVR
A new study looked at the effectiveness of novel risk tool to predict 30-day readmission rates in patients undergoing transcatheter aortic valve replacement (TAVR) presented today at SCAI 2018 Scientific Sessions. (2018-04-27)

CRF research to be presented at ACC.19
Research from the Cardiovascular Research Foundation and the CRF Clinical Trials Center will be presented at the American College of Cardiology's 68th Annual Scientific Session taking place March 16-18, 2019 at the Ernest N. Morial Convention Center in New Orleans, Louisiana. They will be presenting the latest data on percutaneous coronary intervention (PCI), imaging technologies, renal denervation, and transcatheter aortic valve replacement. (2019-03-14)

New valve technology promises cheaper, greener engines
Technology developed at the University of Waterloo reliably and affordably increases the efficiency of internal combustion engines by more than 10 per cent. (2018-03-21)

Transcatheter aortic valve replacement dramatically improves heart patients' quality of life
Patients who undergo a transcatheter aortic valve replacement, or TAVR -- a minimally-invasive surgical procedure that repairs a damaged heart valve -- experienced a significant increase in their quality of life, according to a new study by researchers at the Intermountain Medical Center Heart Institute in Salt Lake City. (2018-03-11)

Novel heart valve replacement offers hope for thousands with rheumatic heart disease
A novel heart valve replacement method is revealed today that offers hope for the thousands of patients with rheumatic heart disease who need the procedure each year. The research is being presented at the SA Heart Congress 2016. (2016-09-09)

Regular nut intake linked to lower risk of heart rhythm irregularity (atrial fibrillation)
Eating several servings of nuts every week may help lower the risk of developing the heart rhythm irregularity, atrial fibrillation, also known as heart flutter, finds research published online in the journal Heart. (2018-04-16)

Symptoms of depression before undergoing heart procedure and outcomes
Symptoms of depression were common among older adults undergoing a procedure to replace a damaged aortic valve of the heart, and having those symptoms was associated with a higher rate of death up to one year later. (2018-01-17)

Latest issue of Structural Heart: The Journal of the Heart Team is now available
The Cardiovascular Research Foundation (CRF) is pleased to announce that the latest issue of Structural Heart: The Journal of the Heart Team is now available online. (2018-01-29)

NEw study shows life-saving outcomes using 3-D printing models for heart valve disease
A new study examines the effectiveness of 3D printing technology and computer modeling to predict paravalvular leak (PVL) in patients undergoing transcatheter aortic valve replacement (TAVR). (2018-04-26)

Conscious sedation is a safe alternative to general anesthesia for heart valve procedure
UCLA scientists have found that conscious sedation -- a type of anesthesia in which patients remain awake but are sleepy and pain-free -- is a safe and viable option to general anesthesia for people undergoing a minimally invasive heart procedure called transcatheter aortic valve replacement. (2017-04-11)

What is impact of permanent pacemaker implantation after transcatheter aortic valve replacement?
The need for a patient to have a permanent pacemaker implanted while hospitalized after undergoing a transcatheter aortic valve replacement is a complication associated with worse survival and increased risk of more time spent in the hospital then and in the future. (2018-05-25)

Which TAVR patients are at risk for hospital readmission?
As more elderly patients undergo the minimally invasive heart valve procedure called Transcatheter Aortic Valve Implantation (TAVR), concerns have been raised as to what causes some to be readmitted for heart failure after the procedure. (2017-08-25)

Understanding heart disease, stroke in women remains a scientific research priority
The February 2021 issue of Circulation, published online today, features new clinical trial research, state of the art reviews and scientific perspectives exploring the unique challenges women face in their fight against heart disease and stroke. The journal received more than 100 manuscripts for consideration this year, the most ever in the five years the current editorial board has published a special Go Red for Women issue. (2021-02-16)

Great magma erup­tions had 2 sources
Research at Finnish Museum of Natural History may explain controversies related to great magma eruptions: the magmas had in fact two contrasting sources. One of them was the upper mantle, as suggested in previous research, whereas the other was most probably a deep mantle plume. (2018-04-03)

Computer-designed customized regenerative heart valves
Cardiovascular tissue engineering aims to treat heart disease with prostheses that grow and regenerate. Now, researchers from the University of Zurich, the Technical University Eindhoven and the Charité Berlin have successfully implanted regenerative heart valves, designed with the aid of computer simulations, into sheep for the first time. (2018-05-09)

Meeting an unmet need: A surgical implant that grows with a child
The Boston Children's Hospital and Brigham and Women's Hospital research team says the tubular, expanding implant design used in their proof-of-concept -- reported today in Nature Biomedical Engineering -- could also be adapted for a variety of other growth-accommodating implants throughout the body. (2017-10-10)

New study seeks to guide clinical treatment for older patients with aortic stenosis
With recent advances in surgical techniques, more patients are undergoing transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR) to treat aortic stenosis. However, this study shows that serious risks of functional decline associated with surgery in older patients may well outweigh the benefits, and in particular, may not meet an individual's goals for treatment. Although outcomes have improved over time, older patients continue to experience high rates of functional decline, particularly if they are frail before surgery. (2019-02-04)

Congenital heart defects vastly increase risk of heart problems later in life
An infant born with a relatively simple heart defect is far more likely to develop heart problems as an adult, researchers at the Stanford University School of Medicine have discovered. (2019-02-28)

A new way to cut the power of tumors
Instead of tackling tumors head-on, a team of researchers from the University of Geneva and the Amsterdam UMC, location VUmc chose to regulate their vascularization by intervening with cellular receptor overexpressed specifically in cancer blood vessels. By acting on the development of the blood vessels within the tumor, scientists hope to modulate vasculature and deliver the treatments extremely accurately, and even if necessary 'cut the food' to the tumor, much like you'd close a tap. (2018-12-20)

Study links Celebrex, heart valve calcification after earlier research declared drug safe
On National Heart Valve Disease Awareness Day, Vanderbilt study disputes that Celebrex has no more impact on valves than older drugs in its class. (2019-02-22)

How plants manage excess solar energy
Life on earth largely depends on the conversion of light energy into chemical energy through photosynthesis by plants. However, absorption of excess sunlight can damage the complex machinery responsible for this process. Researchers from UNIGE have discovered how Chlamydomonas reinhardtii activates the protection of its photosynthetic machinery. Their study indicates that the receptors that detect ultraviolet rays induce the activation of a safety valve that allows dissipation of excess energy as heat. (2016-12-05)

Augmented and virtual reality will involve human senses in verifying the operations of information systems
Many new applications aim to make information systems and machines identify their users and take their individual needs and emotions into account. (2018-01-24)

Death rate 70 percent lower at top-rated hospitals: HealthGrades annual hospital quality study
Patients have on average a 70 percent lower chance of dying at the nation's top-rated hospitals compared with the lowest-rated hospitals across 17 procedures and conditions analyzed in the eleventh annual HealthGrades Hospital Quality in America Study, issued today by HealthGrades, the leading independent healthcare ratings organization. Based on the study, HealthGrades today made available its 2009 quality ratings for all nonfederal hospitals in the country at www.healthgrades.com. (2008-10-14)

New technique makes heart valve replacement safer for some high-risk patients
Scientists have developed a novel technique that prevents coronary artery obstruction during transcatheter aortic valve replacement (TAVR), a rare but often fatal complication. The method, called Bioprosthetic Aortic Scallop Intentional Laceration to prevent Iatrogenic Coronary Artery obstruction (BASILICA), will increase treatment options for high-risk patients who need heart valve procedures. The findings by researchers at the National Institutes of Health will publish in the Journal of the American College of Cardiology: Cardiovascular Interventions on April 2. (2018-04-02)

Faster walking heart patients are hospitalized less
Faster walking patients with heart disease are hospitalized less, according to research presented today at EuroPrevent 2018, a European Society of Cardiology congress, and published in the European Journal of Preventive Cardiology. (2018-04-20)

UBC researchers develop new heart valve aimed at high-risk patients
Researchers at UBC have created the first-ever nanocomposite biomaterial heart-valve developed to reduce or eliminate complications related to heart transplants. By using a newly developed technique, the researchers were able to build a more durable valve that enables the heart to adapt faster and more seamlessly. (2019-03-25)

Growing life-like heart valves, thanks to help from computational modeling
Scientists have harnessed the power of computational modeling to design a bioengineered heart valve that emulates the properties of native heart valves. (2018-05-09)

A Drug Pump On A Computer Chip
Biomedical engineers have built a prototype drug pump the size of a contact lens, a miniature, closed-loop implant that could monitor its own flow rate to ensure a steady stream of medicine (1997-03-20)

Scientists reveal source of human heartbeat in 3-D
A team of scientists from Liverpool John Moores University, the University of Manchester, Aarhus University and Newcastle University, have developed a way of producing 3-D data to show the cardiac conduction system -- the special cells that enable our hearts to beat -- in unprecedented detail. The findings were published in Scientific Reports. (2017-08-04)

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