MRI better than current standard in assessing neoadjuvant chemotherapy for breast cancer
...compared to pathology results) 71% of the time. It overestimated the amount of residual tumor in 6% and underestimated the amount of residual tumor in 23% of patients. Sonography, on the other hand, was right only 35% of the time, overestimating the amount of tumor after chemotherapy in 13% and underestimating the...Medical technologies may hinder rather than help newborn survival
...section of foetuses whose gestational age has been overestimated by inaccurate ultrasound. Dr Barros comments: "The existence of three successive cohorts has enabled us to understand the relatively small change in neonatal mortality since 1990 was due to a combination of increased rates of low birthweight and pre...Two self-fulfilling prophecies are stronger, and more harmful, than one
...-fulfilling effect was strongest when both parents overestimated their child's alcohol use the synergistic accumulative effect. However, when one or both parents underestimated their child's alcohol use, their child's predicted increase in alcohol use was similar, showing there was not a synergistic accumulation ...Injury from epileptic seizures relatively rare, Mayo Clinic study find
... against previously reported studies that may have overestimated the risk of injuryfrom seizures," says Dr. So. "The high injury rate in patients with severe epilepsy investigated in these prior studies does not apply to the general population of people with epilepsy, which would include those with well-controlled...Study: Too few doctors ask teens about smoking
...commendation. "Previous studies may have overestimated interventions with adolescents because they were based on physician self report," says Tammy Sims, M.D., M.S., the study's lead author from University of Wisconsin Transdisciplinary Tobacco Use Research Center. "Through analysis of patient charts, we...Computer-based program provides personal colon cancer risk data
...next 20 years. Initially, the participants greatly overestimated their cancer risk. "The risk is usually lower than expected from the amount of public attention a disease gets or maybe the person has personal knowledge of someone who has had the disease, which causes them to think it is more prevalent than it act...UK study quantifies cancer risk from diagnostic X-rays
...iderable uncertainty. The possibility that we have overestimated the risks cannot be ruled out, but it seems unlikely that we have underestimated them substantially.' In an accompanying Commentary (p 340), Peter Herzog and Christina Rieger from Ludwig-Maximilians University Munich, Germany, state: "Berrington de ...Fertility worries common in young breast cancer survivors
... cancer survivors found that more than half likely overestimated their risk for developing treatment related infertility, according to researchers from the Dana-Farber Cancer Institute. The study, described in an oral presentation December 5 at the San Antonio Breast Cancer Symposium, is the largest to date that a...Heart disease risk in British men is overestimated
...nt implications, say the authors. For instance, an overestimated assessment of coronary heart disease risk will undermine a patient's ability to make an informed choice about starting preventive treatment, may cause unnecessary anxiety, and may affect life insurance premiums....Effect of breast feeding on blood pressure may be overestimated
Previous research may have overestimated the beneficial effects of breast feeding on blood pressure in later life, say researchers in this week's BMJ. Christopher Owen and colleagues reviewed 24 studies to determine whether breast feeding in infancy was associated with lower blood pressure ...College students may be drinking more alcohol than even they realize
...very cup size in each of the three tasks, students overestimated how much fluid they would need for a "standard" drink size. "Regardless of which type of drink we asked students to pour," said White, "they almost always poured too much. When asked to pour a standard size beer into a 32-ounce cup, some students f...Breast cancer risk overestimated by women, says University of Toronto study
...ound that all the women in the study significantly overestimated breast cancer risk except those who carried the mutation of the breast cancer susceptibility genes, BRCA1 and BRCA2. Prior to surgery, the women estimated their perceived lifetime risk of developing breast cancer as 76 per cent, on average. After sur...Other highlights in the October 16 issue of JNCI
...east cancer susceptibility genes, BRCA1 and BRCA2, overestimated their breast cancer risk. The authors conclude that most women who undergo prophylactic bilateral mastectomy do not have an accurate perception of their breast cancer risk before they have the surgery. The authors suggest that formal genetic counseli...Initially recommended drug dosages often too high, study finds
...lasses of drugs are initially overestimated. These overestimated doses are discovered at various times after the drug is introduced into medical practice. The Georgetown researchers studied the label changes made for all the new drugs approved for use in the United States by the FDA between 1980 and 1999. The team...Study finds public lacks awareness of effective alcohol control policies
...ohol plays in these types of injuries. Respondents overestimated alcohol's role in motor vehicle crashes and were less aware of its role in fire and burn injuries. In a national telephone survey of 943 randomly chosen adults, 78 percent did not believe that raising taxes on alcoholic beverages would result in fewe...Anxiety over breast self-examination may lead to low compliance, UCLA researchers find
...of breast cancer. Researchers found that women who overestimated their risk also had more general anxiety about screening.......nderestimated mortality in the high-risk group and overestimated it in the low-risk group. The model was set up to calculate mortality for three months, but a lot of patients wait [for a transplant] for two years, said Timothy McCashland, M.D., who will present the results at DDW. Theres still a big spread on wha......asurements variedmarkedly between ventilators: two overestimated and one understimated. The second study for publication is titled "Neonatal Hypoglycemia: A Need for aNew Definition?" Although as many as 25 percent of newborns are screened for "low blood sugar,"there is no agreement on what constitutes neonatal hy...