130-year-old mysteries solved: how nitroglycerin works; why patients develop tolerance
...octors have prescribed nitroglycerin for relief of chest pain without a clear knowledge of how it actually worked. Now, not only have researchers from Howard Hughes Medical Institute (HHMI) and Duke University Medical Centerfrom DukeUniversity Medical Center and the Howard Hughes Medical Institute (HHMI) s...Beta-blockers protect brain during bypass surgery
...ent of such heart ailments as high blood pressure, chest pain, and heartbeat irregularities. Previous randomized clinical trials have proven the effectiveness of beta-blockers in improving outcomes for heart patients in general, and for patients undergoing cardiac and non-cardiac surgery. The curr...Dartmouth researchers question use of tobacco funds
...kers from New York are undergoing a CT scan of the chest to try and detect lung cancer at its earliest and most treatable stage. The authors comment, "Lung cancer is a major public-health concern. An effective screening program might save thousands of lives each year. Nonetheless, it is premature, and pos...Gout drug shows promise in treating chronic heart failure
...h and disability. People with HF often experience chest pain and breathlessness when they are physically active because oxygen-rich blood from the lungs backs up in the veins between the lungs and the heart instead of reaching the organs that need it. Fluid also builds up in other parts of the body, such...Simple questions may help predict death risk for heart patients
...nts' reported functional limitations, frequency of chest pain and quality of life to their risk of hospitalization and death from heart disease. The researchers found that lower SAQ scores were associated with increased risk of death and hospital admissions related to their heart disease, even after taki...SPECT identifies 'silent' cardiovascular risk in diabetic patients
...asymptomatic group than in those with a history of chest pain, regardless of the age or sex of the particip...o two groups, those who had previously experienced chest pain and those who had not. Stress was induced either on a bicycle ergometer or, in those patients u...Common diabetes drug causes arteries to spasm, endangering heart
...sure and decrease blood flow to the heart, causing chest pain and even sudden death, shows the study, which...s coronary artery spasm. Unlike typical angina -- chest pain during exertion -- Prinzmetal's nearly always occurs when a person is at rest. "The good news,...Study confirms air pollution linked to slowed lung function growth in children
...iate symptoms such as eye irritation, coughing and chest tightness, long-term or chronic effects have been less clear. Future research might find relationships between short- and long-term effects. "Children in a community with high levels of pollution will be more likely than those in areas of cleaner ai...Post-transplant nerve regrowth better with young hearts, quick surgery
...ricular function. It also allows the sensation of chest pain as an important warning sign of coronary blockage. Sympathetic nerve fibers are severed during heart transplant surgery. Reinnervation takes time, so it is more frequently observed months or years after surgery. Reinnervation often is partial...High cholesterol elevates women's risk of stroke death
...43 women with no history of heart attack, coronary chest pain, or stroke. They were 30-97-years old (average 52) at the time of enrollment, with 17.4 percent African-Americans, and 4.9 percent Hispanic. The women were followed for a total of 339,215 patient-years (the number of women times the number of ...Quick blood test for heart failure proves successful in multinational trial
..., time-consuming tests such as echocardiograms and chest X-rays. The study, led by a Department of Vetera...s--for the results of various clinical tests, such chest X-rays, echocardiograms and CT-scans. Even then, these tests are not conclusive. Dr. Maisel said t...New drug boost for asbestos-related lung cancer sufferers
...pleura the membranes that lines the inside of the chest and the outside of the lungs. It differs from other types of lung cancer in that it is caused by exposure to asbestos, rather than by smoking. The condition affects five times more men than women, and most commonly develops in men between 50 and 70 y...Antibiotics help heart patients
...ower risk of returning to the hospital with severe chest pain within one year compared with those on a plac...eart attack or unstable angina (severe, unexpected chest pain that occurs at rest). Within 48 hours after being admitted, the patients were randomized to re...Biomedical engineers team with pediatric cardiologists and surgeons to improve Fontan treatment
...hesia and special monitoring IVs are placed. The chest is entered through the chest bone. The patient is connected to a heart/lung bypass machine during the surgery. Once the heart...Immediate cholesterol drop after heart attack guards against stroke
...er cardiovascular problems after a heart attack or chest pain, says lead author David D. Waters, M.D., chief of the division of cardiology at San Francisco General Hospital and professor of medicine at the University of California, San Francisco School of Medicine. Between May 1997 and September 1999, 3,0...Mayo Clinic surgeons direct robotic 'hands' to perform surgery
...types of general laparoscopic surgery and for some chest surgeries. Laparoscopic surgery is not new, but a limited number of procedures can be done with this technique, and it requires years of surgical training. "With the da Vinci, surgeons skilled in open surgery can use their expertise, and the help o...Surgery using mesh patch eliminates recurrence
...en the upper part of the stomach moves up into the chest through a small opening in the diaphragm, which is the muscle separating the stomach from the chest. Hiatal hernias are more common in those over age 50 and can be caused by obesity, pregnancy, tight clothing, sudden physical exertion, such as weight...NIH supports ice slurry at Argonne
...cooling the surrounding blood. Medics must perform chest compressions to circulate the cooled blood, allowing it to reach the brain and preserve brain cells. Data collected by the Argonne-university team has shown that the ice slurry cools the brain by 2 to 5 degrees Celsius very quickly. The process appe...Lombardi Cancer Center to enroll current and former smokers in nationwide clinical trial
...e hypothesize that spiral CT scans are superior to chest x-rays, because spiral CT can pick up tumors well under 1 centimeter in size, while chest X-rays can detect only larger tumors, about 1 to 2 centimeters in size. However, no scientific evide...UCLA seeks thousands of current and former smokers for landmark lung cancer screening trial
...ountry, seeking to determine which screening test, chest X-ray or chest CT is more effective at reducing lung cancer deaths. At UCLA's Jonsson Cancer Center, the only Calif...