Tag: "blood" at medical news

"Powerful New Tool" For AIDS Is Reported In Science

...s the pitcher throw? - snapshots of T cell counts, blood cholesterol concentrations, or the BRCA-1 polymorp...he flow of atherogenic particles in and out of the blood vessel wall, what is the rate of proliferation of breast epithelial cells? The new availability of a...

New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?

... brain at work,by measuringnot only how much extra blood gets sent to thinking areas, but also bycalculatin...ac disease,which are diseases involving changes in blood flow and oxygen use in differentorgans. fMRInow has the potential to become much more like a routine...

Personality, Thought To Be Stable Over Time, Changes In Healthy People Who Take A Widely Used Anti-Depressant

...ower on measuresof hostility, inversely related to blood levels of the anti-depressant. "From a societal po...fcooperativeness in puzzle-solving corresponded to blood levels of paroxetine. As a scientific control, neither study participants nor the scientists whomea...

American Heart Association Comment On New England Journal Of Medicine Report OnCalcium Antagonist Nisoldipine (March 5 issue)

...heir physicians aboutchoosing another type of high blood pressure drug, or to use the calciumantagonist in ... Calcium antagonists dilate (relax) constricted blood vessels and thusreduce blood pressure. However, this vasodilator action may force the heart topump...

Added Benefit Found For Aspirin Use In Patients With Vessel Disease

DALLAS, March 3 -- When blood vessels malfunction because of excessivefatty buil...rongtendency for improved function of the diseased blood vessels. In the fivepatients who only had risk factors, but no excessive fatty buildup, theimprovem...

Snipping Inflammation In The Bud; New Agents May Provide Relief

...when, in response to an injury or irritation,white blood cells in the bloodstream begin to stick to the cel...sling. "The many copies of L-selectin on the white blood cellsurface bind with the many copies of the L-selectin-binding protein on the bloodvessel, much lik...

Airport Noise Can Seriously Affect The Health And Psychological Well-Being OfChildren

...ulting from chronic airport noise,including higher blood pressure and boosted levels of stress hormones, th... live in quiet areas. The children weretested for blood pressure, stress hormone levels and quality of life six monthsbefore the airport was completed as we...

Could Cardiovascular Drugs Be Linked To Suicide?

...rthermore, in a five year study of drugs for high blood pressure the authors found a fivefold increase in the incidence of suicide, in users of calcium channel blockers compared with users of other antihypertensives. Lindberg et al conclude that calcium channel blockers should be considered a possible cau...

Study Finds Aspirin Does Not Prevent High-Risk Cases Of Preeclampsia

...nancy that can strike without warning,causing high blood pressure and protein in the urine. In turn, pree...of other complication. Although the high blood pressure accompanying preeclampsia can betreated with blood pressure lowering drugs, the only curati...

Tighter Chemical Binding = Better Meds

...rotein thrombin,which is important for controlling blood clotting. Another application being explored in Jorgensen's laboratory isthe development of improved anti-HIV drugs that counter mutant strainsthat are resistant to current drugs, such as AZT and the proteaseinhibitors. Jorgensen's calculations als...

Exercise, Classroom Instruction Cut Kids' Cholesterol, Study Finds

...igned by the scientists lowered total fat in their blood byan average of 7 percent. Subjects' LDL, or so-ca...eaching focused on nutrition,fitness, not smoking, blood pressure and other topics. Researchers measured fat levels in the blood of children before a...

Diuretics And Beta-Blockers Are Best Drugs To Combat High Blood Pressure, Study Finds

...ACE inhibitors and alpha-blockers -- to lower high blood pressure. But the results of a study published in ...s of drugs, diuretics and beta-blockers, may lower blood pressure even better. This study, coordinated by a hypertension specialist at WashingtonUnive...

Combined Therapy Improved Care Of Patients With Type 2 Diabetes Proper Use Of New Oral Medications Evaluated

...xperienced furtherimprovement in controlling their blood glucose levels, according to a new studyconducted ...dy and were equally effective in loweringpatients' blood glucose levels," explains Gerald I. Shulman, M.D., Ph.D.,professor of medicine (endocrinology) and o...

Prospects For Surviving Heart Attack Emergency Improve When Clot-Busting Drugs Are Combined With Balloon Pump Inserted In Aorta

...n expands, it helps improve delivery of oxygenated blood to all thebody's tissues and to the heart muscle i... which, as a resultof the heart's failure to pump, blood pressure drops too low to maintain thefunctioning of other organs. More often than not, cardiogenic...

Disagreements Between Clinical Trial Oversight Committees And Physicians Can Affect Drug Trial Results

...tient experiences some chest painwith some EKG and blood enzyme changes. "Did that patient have another heart attack? Not all cardiologistswould agree," Mahaffey said. "So we must come up with ways we formulate ourdefinitions to ensure that everyone is following the same guidelines. We're nowlo...

First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds

...ome that tend to appear in abnormal amounts in the blood of womencarrying fetuses with Down syndrome. Down...r the study, Dr. Haddow and his coworkerscollected blood samples from a total of 4,412 pregnant women at 16 prenataldiagnostic centers in the United States. ...

Anti-Clotting Drug May Cause Potentially Fatal Platelet Disorder

...rin and is widelyused to prevent stroke as well as blood clot formation following placement ofcardiac stent... Symptoms of TTP include mass destruction of blood platelets, anemia,neurologic changes, progressive renal failure and fever. The cause is unknown,but ...

Adding Progestins May Negate Heart Protection From Estrogen Replacement Therapy

...rogen acts like a "fountain of youth," helping the blood vessels'inner layer -- the endothelium -- remain f...ar reactivity, often declines after age 50, making blood vessels stiff andless effective in delivering blood to the body's tissues. Excess cholesterol inthe...

Warfarin Continues To Be Underused As Stroke Preventive

... factor for stroke. Byleading to the formation of blood clots that may travel to the brain, thecondition a...not beprescribing this important drug. The use of blood thinners requires frequentblood tests to reduce the small possibility of abnormal bleeding, and both...

Need For HIV Guidelines For Health Workers In Developing Countries

...more likely to inadvertently expose themselves to blood and other body fluids. With such effective post-exposure prophylaxis available, if an in-country employer is not able to afford the cost and storage of such drugs then should health workers be given a personal supply before travel? Gilks and Wilki...

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