Tag: "vessels" at medical news
3-D magnetic resonance imaging safer way to diagnose heart disease
... provide images of the coronary arteries, theblood vessels
of the heart. Unlike conventional coronary angiogr...till while a small tube is placed inside the blood vessels
todeliver the dye. After X-rays are taken of the blood vessels, the patient oftenremains in the hos...
UNC-CH study shows compressed air sleeve prevents blood clots during hip replacement
...reduce clotformation, possibly by preventing blood vessels
from going into spasm,"Lachiewicz said. "Clots can form during operations because the legs don't move,and surgeons, who have to twist the leg as they replace the hip joint, areprobably kinking leg veins." Beginning in 1991, the UNC-CH surgeon...
Scientists use bacterial toxin to kill brain tumors
...eriment (60 days). Both the tumors and their blood vessels
were killedby the toxin. "We are very excited by this observation because astrocytoma is the most commontype of malignant brain tumor and the prognosis is poor for patients with thisdiagnosis," explains HSC neurosurgeon James Rutka, a collaborator in...
Wake Forest researchers develop new technique to diagnose narrowed heart
..., flexible tubecalled a catheter through the blood vessels
into the heart, requires a six- toeight-hour wait ...ude allergicreactions to the dye released into the vessels
that enables X-ray equipment totrack blood flow, bleeding from the vessel where the catheter is inse...
New study finds African-Americans less likely to receive stroke-saving surgery
...ans generally tend to have more blockages in blood vessels
in thebrain in addition to the carotid artery, which has been shown to increase therisk of carotid endarterectomy. "This finding fails to support a belief of manyphysicians that African-Americans tend to have more plaque in their brainarteries. Phy...
New medicare coverage makes TMR procedure more readily accessible to patients
with severe angina and no options
...le wall. The heart responds by creating tiny blood vessels
that provideadditional blood flow. The procedure typically requires a four- to five-dayhospital stay. Choosing TMR is a decision Dr. Frischling doesn't regret. On a scale of 1 to 10,he estimates his level of angina has dropped from 10 ("as bad as it ...
Cholesterol-lowering drugs provide double protection against heart disease
...he blood vessel) indicatedthat most of their blood vessels
were normal. Twenty-five of those with highcholes...damole, a drug used to determine how muchthe blood vessels
dilate to allow blood flow. Blood vessels
must dilate andconstrict to respond to the daily stresses...
Simple test predicts ability to grow new blood vessels: Breakthrough in battle against heart disease, diabetes, cancer
...rt attack. The human body is able togrow new blood vessels
that compensate for the blocked vessels
that cause heartattacks. These new vessels
may also feed cancerous tumors and cause blindness indiab...
Reacting well to heart disease can help avoid future attacks
...ffect on thephysiological process that leads blood vessels
to re-occlude followingangioplasty. The research was supported by the National Institutes of Health....
New anti-angiogenic proteins discovered
...anproteins that inhibit the formation of new blood vessels
and have potential fortreating cancer through suppression of tumor growth. The two proteins, named METH-1 and METH-2, were shown to be much more activethan endostatin in preventing blood vessel formation and may have applicationsin creating treatment...
New imaging method detects abnormalities in the brain's tiny blood vessels
...ers now are able to identify tiny, malformed blood vessels
in the brainthat usually are missed by traditional...r, some people are born with webs ofabnormal blood vessels
in the brain that can grow larger with time, or theydevelop these masses as they age. It is unknown ...
UI researchers discover that aggressive cancer cells may make their own blood vessels
...s widely assumed that tumors attractednearby blood vessels
to provide tumors with nutrition and pathways for tumorcells to spread throughout the body. This hypothesis, known as tumorangiogenesis, is the basis of intensive investigation and clinical trialsworldwide. However, in a study published in the Septem...
Inflammatory pain may help deter inflammatory diseases like arthritis
...ing from the blood, through the lining ofthe blood vessels
and into the tissue, and they begin this process by adheringto the lining of the blood vessels. L-selectin, expressed on the cells' surface,allows the cells to adhere to and slowly roll along this lining. The crux of the UCSF finding was determining...
Why prostate cancer homes to bone
...ecules that form the structural framework of blood vessels
and organs. Inorder to penetrate this membrane, the cancer cells had to first be stimulated tomigrate to it and then have the ability to digest their way through theMatrigel. When prostate cancer cells were tested against extracts of bone,brain, liv...
Low doses of aspirin help prevent some strokes; high doses may increase risk for others
.... Hemorrhagic strokes occur when a blood vessel or vessels
inside the brainruptures and bleeds, and is more likely to be fatal than an ischemic stroke. "This is the first large-scale detailed study of the relationship betweenaspirin use and the risk of principal types of stroke," says lead author JoAnnE. Man...
Study suggests why estrogen not helpful against heart disease
...que buildups within these vessels
caused by coronary artery disease. These were all examined for evidence of DNAmethylation, a process in which an enzyme called methyl transferaseadds a methyl group to a cyto...
UI researchers find more natural method to possibly induce vascular growth
...y may beable to trigger the sprouting of new blood vessels
without having to resort toinvasive methods, accor...chers who are looking for ways to developnew blood vessels
to replaces those either damaged or blocked from coronaryconditions. Until now, the focus has been ...
MGH researchers identify angiogenesis inhibitor in gallbladder cancer
... unsuspected role inregulating the growth of blood vessels
associated with metastatic gallbladdercancer. The...that, in animal studies of the development ofblood vessels
(angiogenesis) associated with cancer, model systems in whichtumor cells are grown in an unnatural l...
'Silent stroke' linked to depression
...or stroke. A silent stroke occurs when small blood vessels
in the brain become blocked orrupture. They are c... even had a stroke. Overtime, these smaller blood vessels
are unable to deliver blood or oxygen to thebrain, and cells die. Eventually, an individual may dev...
Gene responsible for cerebral venous abnormalities found
...tions are lesions of large, abnormally shapedblood vessels
in the brain. People with CCM often suffer from seizures(sometimes misdiagnosed as epilepsy) or recurrent, severe headaches B usuallybeginning in their 20s or 30s. Sometimes, however, no symptoms presentthemselves until it is too late. Hemorrhagic...
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