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Arterial in Biological News

Society of Interventional Radiology hosts 34th annual scientific meeting

... and bone cancer; herniated disks; peripheral arterial disease (PAD) and related complications; ... March 10, 2009, 9 a.m. Eastern) Peripheral arterial Disease (PAD) Treating Peripheral arterial Disease: Stem Cell Therapy Advances ...

Lipoic acid could reduce atherosclerosis, weight gain

... of lipoic acid can inhibit formation of arterial lesions, lower triglycerides, and reduce blood ... This in turn allows the monocytes to enter the arterial wall, there they become inflammatory macrophages ... into lipid-laden foam cells ultimately, an arterial fat deposit. This chronic process often begins ...

Holding breath for several minutes elevates marker for brain damage

... much air as possible) and breath-holding warm-ups. The researchers took arterial blood samples from a catheter inserted into the artery that runs through ... hours following the end of the breath hold. The researchers also measured arterial blood gases. They did the same measurements on the individuals in the ...

Society of Interventional Radiology Foundation awards $191,000 in grants

... R.I., "The LEAD Interventions Study (Lower Extremity Peripheral arterial Disease Interventions: Percutaneous-first Approach vs. Surgical-first ... and Shantanu Gaur, Harvard Medical School, Boston, Mass., "Hepatic arterial Chemoembolization (HACE), Yttrium-90 Radioembolization and Drug-eluting ...

New cardiology research presented at CHEST 2008

... tadalafil, may be an effective adjunct therapy for patients with pulmonary arterial hypertension (PAH). Italian researchers randomized 405 patients with PAH, ... October 29, 1:00 PM EST) Despite increased awareness of pulmonary arterial hypertension (PAH), the disease is being diagnosed later and in women who ...

At risk for peripheral arterial disease? Simple quiz provides key so you can circulate better

... FAIRFAX, Va.Ten million Americans have peripheral arterial disease (PAD), and research shows that the highest risk populations ... early detection of PAD. "Early detection and management of peripheral arterial disease, or PAD, can prevent its progression and help prevent painful ...

Mutant gene identified as villain in hardening of the arteries

... program. Atherosclerosis is a chronic inflammatory response in arterial walls, in large part due to deposits of lipoproteinswhich are plasma ... may provide a therapeutic approach to decrease formation of lesions in the arterial wall and promote plaque stabilization to prevent an acute heart attack. ...

Story ideas from the Journal of Lipid Research

... colleagues imaged 60 Crohns patients and 122 healthy controls for signs of arterial hardening; they found that the thickness of the carotid artery, a common ... density lipoprotein, the good cholesterol) content. HDL helps prevent arterial hardening by shuttling cholesterol from blood vessels back to the liver as ...

Time spent in car drives up air pollution exposure

... video recorded surrounding traffic and driving conditions on freeways and arterial roads throughout the Los Angeles region. Measurements were collected ... on surface streets. Surprisingly, overall congestion was only a factor on arterial roads and, even then, the highest concentrations of pollutants occurred ...

Journal of Vascular and Interventional Radiology increases impact, international reach

... the frequency with which an average article in a journal is cited. Additionally, JVIR ranks in the top half of 56 journals in the field of peripheral arterial disease, and its five-year impact factor is 2.956, based on citations in 2008 to items published from 2003-07. ...

Promising 3-year data: Saving limbs with drug-eluting stents

... SAN DIEGO, Calif. (March 10, 2009)Attempts to treat critical limb ischemia in peripheral arterial disease (PAD) patients with below-the-knee angioplasty are still thwarted by restenosis (the re-narrowing of the artery at the site of angioplasty or ...

'Seeing' stem cells helps in fight against peripheral arterial disease

... radiologists are fitting together the puzzle pieces of how to use stem cells to create new or more blood vessels to treat peripheral arterial disease (PAD) in those individuals with extensively narrowed or clogged arteries. That puzzle may be closer to being solved in light of recent ...

Simple test helps predict heart attack risk

... screening tests (like the ABI, which is a comparative blood pressure test). For the first time, researchers determined the prevalence of peripheral arterial disease (PAD) in a large population of women and men who were not considered at high risk for cardiovascular disease. And the results are surprising: ...

For old or young dialysis patients, AV fistulas remain pure gold

... the patency of AV fistulas. Researchers collected information about the patients' other medical conditionssuch as whether they had peripheral arterial disease (PAD) or diabetes, whether they were smokers and whether they used anticoagulant medicationsto see how this information would play in the big ...

UConn chemists find secret to increasing luminescence efficiency of carbon nanotubes

... luminescence efficiency of carbon nanotubes may someday make it possible for doctors to inject patients with microscopic nanotubes to detect tumors, arterial blockages and other internal problems. Rather than relying on potentially harmful x-rays or the use of radioactive dyes, physicians could simply scan ...

Register now for the Society of Interventional Radiology's 34th Annual Scientific Meeting

... Seeing "Lazarus effect": relieving bone tumor pain Examining heart attack risk: surprising look at Framingham Risk Scores Treating peripheral arterial disease: stem cell therapy advances Studying women's health: making childbirth safer Finding that age doesn't matter: AV fistulas and dialysis ...

Inflammation worsens danger due to atherosclerosis

... plaques of ApoE-deficient- mice," appears in the February 2009 issue of The American Journal of Pathology . Atherosclerosis is a disease of arterial blood vessels where fats, cholesterol, blood cells, and fibers form hardened plaques on the artery wall. These plaques restrict blood flow to ...

Research finds older women who are more physically fit have better cognitive function

... taking a lead role. The scientists found that compared to the inactive group, the active group had lower (10 per cent) resting and exercising arterial blood pressure, higher (5 per cent) vascular responses in the brain during submaximal exercise and when the levels of carbon dioxide in the blood ...

Repeat C-section before 39 weeks raises risk of neonatal illness

... sepsis, seizures, necrotizing entercolitis, hypoxic ischemic encephalopathy, required ventilator support within 24 hours of birth, had umbilical cord arterial pH (a measure of oxygenation) below 7.0, an Apgar score at five minutes of three or below, was admitted to a neonatal intensive care unit or required ...

University of Miami biomedical engineer

... leads to natural clotting, which prevents rupture of the aneurysm and elicits a healthy scar-response from the body, thus restoring the diseased arterial segment to its normal state," explained Lieber. Dr. Lieber, is a professor of biomedical engineering in UM's College of Engineering, with a ...

Children's National convenes first childhood obesity symposium

... likelihood for high LDLs, and therefore when present may also signal an increase in the chance of high cholesterol, other health factors related to arterial disease, and the onset of type 2 diabetes. An analysis by health policy expert and pediatrician Anjali Jain, MD , of the current state of play for ...

Yale researchers unravel mystery of brain aneurysms

... variations in the gene SOX17, which is known to play a crucial role in the early development and repair of endothelial cells that make up the arterial walls of blood vessels. "These variations may interfere with the ability to produce cells that repair damage to the blood vessels, suggesting a path ...

Aspirin and atherosclerosis

... action would seem to account for this. In a new study, though, researchers have uncovered the mechanism that may explain aspirin's ability to prevent arterial plaque buildup. Using cell culture and mouse models, Sampath Parthasarathy and colleagues observed that aspirin specifically its active byproduct ...

New paradigm for cell-specific gene delivery

... normal in vivo function, and can be permanent or transient depending on vector design. Currently, a number of gene delivery systems for use on the arterial wall are being studied, but as yet their low efficiency in gene transfer and lack of cell-specific targeting and expression are major limitations. ...

Hypertension treatment effective in reversing vascular damage

... funded the study. After one year of treatment, olmesartan medoxomil improved the artery abnormalities in high blood pressure patients and returned arterial architecture to normal levels. This was not seen with the atenolol. Olmesartan medoxomil is a member of a class of antihypertensive medications ...

Pitt faculty receive awards to explore next-generation technologies

... known as ionomers. Ionomers have been tested for such uses as self-powered sensors in bridges and for monitoring blood flow in patients at risk for arterial blockage; as the sensors move from vibrations or fluid flow they would simultaneously send out an electric data signal and recharge themselves. But ...

Genetic variants of USF1 are associated with the increased risk for cardiovascular disease

... of atherosclerosis obtained in autopsy. It turned out that USF1 variation significantly associated with the size of the areas of several types of arterial wall lesions, especially with calcification of the arteries. Finally, when Kristiansson tested what effect the USF1 risk variants have on sudden ...

New horizons in modelling surface processes

... use in heart surgery. These nanomaterials overcome previous problems such as the risk of thrombosis (blood clotting) and are being used to develop arterial bypass graft, stent and heart valves. Professor Mike Gillan, Director of the UCL Materials Simulation Laboratory (MSL), says: The MSL brings ...

Elevated nitric oxide in blood is key to high altitude function for Tibetans

... Tibetans, in the current Proceedings of the National Academy of Sciences (PNAS). The low barometric pressure of high altitudes generally causes low arterial oxygen content among Tibetans, yet the researchers have found that Tibetans consume oxygen at normal rates. We asked how that could be done, said ...

Ossur -- leading orthopedic pioneer - expands network to Asia

... is in components and devices. In China, we estimate the total market being USD35 million. In Asia, lifestyle diseases such as diabetes and other arterial diseases that lead to amputation are showing a significant rise as compared to Western countries. In addition, workplace accidents or trauma have ...

New study shows Concord grape juice has a heart-healthy effect not yet reported with red wine

... Take heart: laboratory research, just presented at the WINEHEALTH 2007 conference in Bordeaux, France, showed that Concord grape juice stimulated an arterial relaxation effect in a similar fashion to red wine. The French researchers also reported that the Concord grape juice induced a prolonged relaxation ...

Active ingredient in common Chinese herb shown to reduce hypertension

... weeks. After the two-week treatment period, mean arterial blood pressure was measured in the right carotid ... constriction of the renal artery increased mean arterial pressure to 161.2¡À6.9 mmHg relative to ... IIA/100g body for two weeks reduced the mean arterial pressure from 161.2¡À6.9 to 130.0¡À7.8 mmHg. ...

Heart smart: new drug improves blood flow

... "Free radicals contribute to the formation of arterial blockages. What's more, as the number of free ... arteries produce nitric oxide to signal to the arterial muscles that they need to dilate the artery and ... radicals destroy a key enzyme that allows the arterial cells to respond in this way, so the signal ...

Gene transfer using mutant form of good cholesterol cuts vascular plaque and inflammation

... they develop very high cholesterol levels and arterial plaque and are incapable of producing their own ... donor bone marrow. To deliver the gene to the arterial wall, the researchers used a "signal molecule" ... cells called macrophages, which go into the arterial wall. "We examined the ability of both the ...

Measuring artery repair cells could become new heart disease test

... in the bloodstream and repair damage to the arterial lining has been discovered by Duke University ... in the bone marrow and travel to the site of arterial damage. The researchers said that tests for ... of EPCs to continuously repair damage to the arterial lining. Duke researchers have shown that -- while ...

Genetic key to growth of new arteries is identified

... some patients grow new arteries in response to an arterial blockage and others do not," observes Sarkar, who ... flow is decreased. The researchers mimicked arterial blockage in transgenic mice created by David ... gene fragment that turns on in response to arterial blockage. In this way, the researchers ...

Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes

... been puzzled by a condition called intracranial arterial dolichoectasia, in which the larger arteries of ... first to show an association between intracranial arterial dolichoectasia and the whole spectrum of small ... dolichoectasia. ### Article: "Intracranial arterial Dolichoectasia and Small-Vessel Disease in Stroke ...

University of Pittsburgh School of Medicine researchers develop 'off-the-shelf' vascular grafts

... even though a significant percentage of vein grafts eventually fail. arterial grafts are the preferred conduits because they are less prone to becoming ... grafts. Thus, there is an ongoing search for the ideal small-caliber arterial substitute for revascularization procedures. The University of ...

Researchers show that veins stiffen as we age

... manager at Christiana Care's cardiovascular research office. While the arterial side of the human circulatory system has been studied extensively, ... gauges, connected to computers, were placed on their arms and legs. An arterial cuff was attached to an upper arm to monitor blood pressure, and venous ...
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