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Exploring the molecular origin of blood clot flexibility
How do blood clots maintain that precise balance of stiffness for wound healing and flexibility to go with the flow? Researchers at the University of Pennsylvania School of Medicine and the School of Arts and Sciences have shown that a well-known protein structure acts as a molecular spring, explaining one way that clots may stretch and bend under... view more... (2007-01-15)
Fat tissue surrounding thoracic arteries may be beneficial
A team of McMaster researchers has discovered that fat tissue surrounding thoracic arteries may be beneficial in patients undergoing coronary bypass surgery. view more (2005-12-02)
Histamine tied to changes in blood pressure during exercise-recovery period
Overactivation of two receptors for histamine, normally associated with common allergies and acid reflux, may explain why some people, including highly trained athletes, pass out soon after heightened physical activities. view more (2006-10-11)
Research provides promising evidence of new drug therapies in lethal lung disease
Several promising new treatments may prolong lives as well as improve the quality of life for people living with pulmonary arterial hypertension. view more (2006-04-07)
Saving Cells - Safer Method for Filtering Sensitive Biological Products
For many years, engineers have worked to efficiently filter valuable bio-process products on an industrial economic scale. The challenge has been to push rates up without incurring high shear rates and resultant cell lysis, which would cause loss of yield. High shear can destroy delicate and valuable biological materials such as proteins, blood,... view more... (2004-07-23)
Protein controls blood vessel formation, offers new drug target
After an injury, the body grows new blood vessels to repair damaged tissue. But sometimes too much growth causes problems, as when new blood vessels in the eyes leak, causing diabetic retinopathy and blindness if not treated. view more (2007-12-05)
Noninvasive Screening Test May Detect Narrowing in Intracranial Stents According to Study by Rush University Medical Center
Great advances have been made in treating blockages in the arteries of the brain using angioplasty to widen the narrowed artery and a stent to hold the artery open. view more (2009-02-12)
Angiogenesis : Blocking tumor growth and treating infarction - a new target
Our tissues are able to form new blood vessels throughout life. This mechanism, which is called angiogenesis, is essential notably in the case of myocardial infarction, stroke and limb ischemia. The very same mechanism, however, keeps tumors supplied with nutrients and oxygen thus enabling them to continue growing. Inserm researchers at the... view more... (2005-04-25)
Blood flow monitoring system to reduce risks during heart surgery
A unique haemodynamic (blood flow) monitoring system which will help to minimise the risk of complications during cardiovascular surgery is being developed by Leeds-based medical devices company, Medics Research Ltd. view more (2004-11-02)
Stroke therapy window might be extended past nine hours for some
Some patients who suffer a stroke as a result of a blockage in an artery in the brain may benefit from a clot-busting drug nine or more hours after the onset of symptoms. The findings are published in the online edition of Radiology. view more (2009-02-09)
Current technology for brain cooling unlikely to help trauma patients
Attempts to cool the brain to reduce injury from stroke and other head trauma may face a significant obstacle: current cooling devices can't penetrate very deeply into the brain. view more (2006-08-07)
Studies to date say erectile dysfunction drugs affect other systems, mostly for the better
Since the Food and Drug Administration gave Viagra® (sildenafil) its approval in 1998, "erectile dysfunction" has become a household term — probably to the chagrin of many parents fielding questions from their kids watching TV. view more (2006-06-16)
UW launches study testing adult stem cells for heart damage repair
The University of Wisconsin School of Medicine and Public Health is among the first medical centers in the country taking part in a novel clinical trial investigating if a subject's own stem cells can treat a form of severe coronary artery disease. view more (2007-03-13)
Japanese Researchers Get to the Heart of Atherosclerosis
Using positron emission tomography (PET), the medical isotope 15O-water and cold pressor tests, Japanese researchers were able to detect the beginnings of atherosclerosis—before the disease became clinically evident. view more (2006-06-05)
Breakthrough In Treatment For Kidney Dialysis Patients
A ground-breaking medical approach which could substantially improve the quality of life for over a million kidney dialysis patients, and bring huge savings to health services around the globe, is one step closer to becoming a reality, thanks to NESTA (the National Endowment of Science, Technology and the Arts) - the organisation that backs UK... view more... (2004-08-12)
Penn researchers discover the powerful tool of simultaneous fMRI and PET imaging
Clinical researchers from the University of Pennsylvania Health System (UPHS) are the first to combine fMRI and PET scanning in radiology, creating a way to compare different measurements of the brain's function concurrently. This analysis could lead to better diagnosis and treatment in patients suffering from brain disorders, like Alzheimer's... view more... (2005-10-13)
Inflammation worsens danger due to atherosclerosis
Current research suggests that inflammation increases the risk of plaque rupture in atherosclerosis. The related report by Ovchinnikova et al, "T cell activation leads to reduced collagen maturation in atherosclerotic plaques of ApoE-deficient- mice," appears in the February 2009 issue of The American Journal of Pathology. view more (2009-01-23)
Comprehensive diagnosis of heart disease with a single CT scan
In the current issue of the journal Circulation, a research team from the Medical University of South Carolina's (MUSC) Heart & Vascular Center report their initial experience with a novel imaging technique that enables comprehensive diagnosis of heart disease based on a single computerized tomographic (CT) scan. view more (2008-03-05)
Hopkins study reveals white blood cells can both hurt and help transplanted kidneys
In an example of biological irony, the same white blood cell chemistry known to damage kidneys used for transplants may also help prevent such damage, according to a federally funded study in genetically engineered mice at Johns Hopkins. view more (2006-09-21)
Image Velocity Estimation In Echocardiographs
BACKGROUND There are many instances in which a subject in an image is moving, and it is necessary to track the subject as it moves from frame to frame; this movement is known as optical flow or image velocity. Such measurement of optical flow may be done to improve the image encoding efficiency, or allow enhancement of the display of the movement... view more... (2005-04-26)
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