Chemists Develop Probe To Detect Changes In Imaging Agents Inside Body
...plication is a heart imagingagent which can detect blockages in blood flow following a heartattack. This information is important to doctors planning follow-up therapy and rehabilitation. "Doctors can get very good images this way," saidDistinguished Research Professor William Heineman who has studiedthe funda...Stents Work Well, But Are Costly: Will Hospitals Continue To Use Them?
...ery has been proven toreduce the rate of recurrent blockages in the artery, Peterson said. But, depending on who is paying the bill, he said these procedures maybe a bad financial deal for the hospital. Medicare gives hospitals one price (from $10,000 to $13,000 dependingon the kind of hospital) through i...Laser Shown Effective In Patients Who Are Not Candidates For Bypass Surgery Or Angioplasty
...e legare used to redirect oxygen-rich blood around blockages and directly toheart muscle. In angioplasty, a tiny balloon is threaded through the arteriesfeeding the heart and inflated, clearing plaque blocking the artery. During a laser procedure, surgeons gain access to the heart througha 6- to 8-inch ...New Ultrasound Technique Is Alternative To Cerebral Angiography
...echniques could give physiciansthe means to assess blockages in the arteries serving the brain without usingcur...of stroke as a person with lesser blockage. Severe blockages can besurgically removed. Currently, doctors use cerebral angiography as the final step inas...Adding Progestins May Negate Heart Protection From Estrogen Replacement Therapy
... In atherosclerosis, blood vessels narrow due to blockages fromcholesterol or blood clots, setting the stage for a heart attack or stroke. Previous studies have found that women taking estrogen lowered theirrisk of heart disease by 30 percent. However, in most cases, the women weretaking estrogen a...Fat: It's Not For Breakfast Anymore; Study Finds Fat Linked To Clotting
...nts of a blood clot. Toomuch clotting can lead to blockages in the blood vessels, setting the stage fora heart attack or stroke. In the study, four different fat-rich breakfast diets, each of whichcontained 50 percent of calories from fat, were tested. The diets differed infatty acid composition. On...Clot-Busters As Effective As Surgery To Clear Blockages In Legs
...e a useful place in thetreatment of acute arterial blockages in the legs. Urokinasespares fairly aggressive and invasive treatment in a number ofcases."...American Heart Association Comment: Tirofiban -- The Platelet Receptor Blocker For Heart Attack
...l replace angioplasty or other treatments toremove blockages and relieve chest pain is still unknown. The study found thatthe major benefits from the drug came immediately, but after a few months thosetreated with tirofiban were no better off than those receiving heparin. "As the author of the accompanying ed...Tiny Pellets Could Deliver Alzheimer's Drugs
... you try to get from one place to another you face blockages from one-way streets to barriers," he says. "We can control the molecules' pathways out of the polymer in just the same way by using restricted openings and crowding." Saltzman tested the delivery system by transplanting dying forebrain nerve cells...Hardening Of The Aorta Increases The Risk Of Stroke
... are highcholesterol levels, diabetes, smoking and blockages in the carotid arteries thatcarry blood to the brain. But our study clearly shows that atherosclerosis inthe ascending aorta is an independent and significant risk factor." Most stroke-causing blood clots form in the heart or in the carotidar...Biochemical Marker Targets Brain Injury Leading To Movement Problems After Stroke
...MRI), a visualization method fordetecting clots or blockages in the brain that trigger most strokes, MRSprovides scientists with a panoramic, interactive view of both site and functionwithin the nervous system," says lead researcher Sarah T. Pendlebury, MRCP, atthe Centre for Functional Magnetic Resonance of t...Heart Attack Victims More Likely To Survive When Taken To High-Volume Hospitals
...oodaround blocked arteries and angioplasty to open blockages did not dosignificantly better than those at hospitals without these technologies. Patients treated by cardiologists had slightly better outcomes thanthose treated by other physicians, but physician specialty did not affect theoverall association be...'Super' aspirin and clot buster drug may help heart attack victims avoid surgery
...t of theartery. When the balloon is inflated, the blockages or blood clots are pushedaside, allowing blood to flow through. Bypass surgery is an operation that usesblood vessels "borrowed" from another part of the body to go around cloggedcoronary arteries to reestablish blood flow to the heart. According to...3-D magnetic resonance imaging safer way to diagnose heart disease
...ation of the bloodvessels is performed to look for blockages that obstruct blood flow to theheart, thereby trig...m, Manning says. Individuals who are found to have blockages in their blood vessels can then betreated with angioplasty or surgery. If untreated, the blockages ...Wake Forest researchers develop new technique to diagnose narrowed heart arteries
...ic resonance imaging (MRI) to diagnose significant blockages in bloodvessels leading to the heart. This is the ... anterior descending). It is important to diagnose blockages in these areasbecause they often require bypass surgery or artery-opening procedures. Theresearch te...New study finds African-Americans less likely to receive stroke-saving surgery
...foundAfrican-Americans 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 br...MRI breakthroughs could lead to new tests for heart disease
...ld to report the successful use of MRI tovisualize blockages and measure blood flow in vessels leading to the h...s cardiac catheterization atdiagnosing significant blockages in the two main arteries of the heart. "MRI allows us not only to locate a blockage, but to ...American Heart Association updates 'mini stroke' guidelines
...te that the surgery is beneficial in patients with blockages that obstruct more than half of the blood vessel (...r carotid surgery-- particularly for patients with blockages of 50 to 69 percent. Angioplasty and stents. The placement of a small, mesh-like tube called a st...New gene therapy shows promise in improving success rate of leg bypass surgeries
...l resident at Brigham and Women's Hospital. Graft blockages are treated with another operation or with angiopl...n-invasive ultrasound test. The majority of graft blockages could be detected in their earliest stages and patients could receive the necessary treatment for th...Blood marker can signal trouble for individuals with heart disease
...ed after an episode of severe chest pain caused by blockages in a blood vessel of the heart. Individuals with ...e and stroke. Researchers have suggested that the blockages in blood vessels, called plaque, are collections of cellular components, including CRP. Thus the am...