Heart failure drug associated with higher risk of death
...trial, we're concerned the study will not be large enough to allow for risks to be seen if they are present,...ospective, randomized clinical trial that is large enough to accurately assess kidney and mortality risks from nesiritide," says Sackner-Bernstein. "We regret...Electroshock therapy speeds improvement in schizophrenia patients
...udies, patients may not have been on an aggressive enough drug schedule to treat early symptoms rapidly," Spiegel says. "You would have to include only studies where drug control was optimal. "Lots of people -- especially many with delusions -- are still uncomfortable with ECT, although it's terrific for de...'Virtual colonoscopy' effective in finding most polyps but may miss small ones
...Shield Associations of America in 2004 do not find enough evidence to recommend virtual colonoscopy. CT colonography is not covered by Medicare or any of several private insurers surveyed in the ECRI report. Colorectal cancer is the second most common cause of cancer-related death in the United States. Abou...Nanoparticles offer new hope for detection and treatment
...treatable because by the time the tumors are large enough to detect, it's too late," Lanza says. "With the n... smallest melanoma tumors when they are just large enough to begin new blood vessel formation. Plus, we should be able to deliver chemotherapeutic drugs right...Lessons to be learnt from life at the very limit
...en levels can drop to 7 or 8 kiloPascals, critical enough to require admission to an intensive care unit. We believe that at the summit, Everest climbers may be experiencing less than 4 kiloPascals, despite the fact that normally people would fall unconscious if their blood oxygen dropped below 5 kiloPascal...Breast cancer detector that uses electricity instead of X-rays under study
...s a report rather than a breast image, is accurate enough for widespread use, says Dr. James H. Craft, MCG radiologist and a principal investigator. Impedance scanning involves placing a flower-shaped grouping of electrodes with a hole in the center for the nipple over each breast. A small amount of electri...Access to mammography may worsen
...Community-based mammography facilities do not have enough radiologists and certified technologists to adequa...e and Colorado) found that 44 percent did not have enough radiologists on staff to meet the demand for mammography services. Twenty percent of facilities repo...Herbal medicine may alter cell response to cancer therapeutic agents
...erently needs to be studied further, she said, but enough is known about the herb's effects on cancer cells to caution patients about using and other over the counter agents without consulting their physicians. "Our studies caution that black cohosh should not be considered to be a harmless herb that is in...Eliminating enzyme dramatically reduces cardiovascular disease
... certain hormones. However, because the body makes enough cholesterol on its own, too much dietary cholesterol is associated with an increased risk of heart disease. Rudel's work focuses on an enzyme that alters the molecular structure of cholesterol so that it can be transported to the body's cells. There ...New study finds combat vets face more cardiovascular risks
...t." Unfortunately, she and her mentors do not have enough statistical power to assess differences in the study population by era of service, so they could not determine whether the effects of exposure to combat are constant or if they can differ with different eras. "That said, one of the key strengths of o...Fiber supplements may lower cardiovascular risk in type 2 diabetics
...r, most adults in the United States do not consume enough dietary fiber. Average daily intake for adults is 15 grams (g); 25g to 30g of fiber is recommended. "The product (a fiber supplement) was designed to fill that gap between the real intake and the advised intake," Verdegem said. Study participants r...Excess oxygen worsens lung inflammation in mice
... pathway by preventing oxygen levels from dropping enough to trigger the inflammation stop signal. To explore this possibility in an animal model, Dr. Sitkovsky and his colleagues induced lung inflammation in three groups of mice. The first group of 15 mice did not receive any supplemental oxygen. While the...Study reveals new data on how lyme disease is spread
...ting methods of culturing blood were not sensitive enough to detect its presence until College researchers developed a new technique, which they used in the study. Leading the study was Gary P. Wormser, M.D., professor of medicine, director of the Division of Infectious Diseases and vice chairman of the De...3 questions may provide good clues to smoke exposure
...eir homes. But these don't always provide a clear enough picture of a young child's environment. Questions can be ambiguous or misunderstood by the child's caregiver, or the caregiver may be consciously or unconsciously less than accurate with their answers. A report, however, in the May 2 issue of JAMA'...All low-fat diets are not equal, Stanford study shows
...ggies - and other nutrient - dense foods. It's not enough to simply steer clear of saturated fat and cholesterol. "We would really hope that people would appreciate the new American Heart Association Guidelines," said Gardner, who decorates his office with splashy posters of squashes and peas. "Include more...Attention full-time workers: Get off the computer and out to exercise in your free time!
...rs say that one of the biggest barriers to getting enough exercise is that there's not enough time in the day," said study author Meghan Warren, P.T., M.P.H., a pre-doctoral fellow in the divisi...Diabetes and pizza: Slow and steady insulin delivery wins the race
...glucose levels and did not decrease glucose levels enough to cause any hypoglycemic events, which is unusual. Blood glucose control after a pizza meal was improved by extending the time of delivery of insulin to eight hours without varying the total amount of insulin administered." Gabbay cautions that this...Stroke drug still meets resistance from doctors wary of its risks
... state that would convince them tPA was beneficial enough to warrant the bleeding risk. The authors performed cross-analyses of answers according to physician age, gender, training background, year of medical school graduation and type of hospital and population center. In all, 40 percent of the physicians...Some primary care residents feel unprepared to provide preventive counseling
...ocial counseling as well as whether residents have enough time to provide such counseling. The particular strengths identified in dealing with specific issues for family practice and obstetrics/gynecology programs could serve as models to broadly improve training across all specialties. Park adds, "The re...New research raises questions about buckyballs and the environment
...on ecosystem health." Scientists simply don't know enough to accurately predict what impact buckyballs will have on the environment or in living systems, which is exactly why research of this type needs to be done in the early stages of development, Hughes says. He suggests that his findings clearly illustr...