April 2008 Briefing - Radiology
Here are what the editors at HealthDay consider to be the most important developments in Radiology for April 2008. This roundup includes the latest research news from journal articles, as well as the FDA approvals and regulatory changes that are the most likely to affect clinical practice.
Most Meeting Abstracts Eventually Published
WEDNESDAY, April 30 (HealthDay News) -- About three-quarters of abstracts presented at the 2000 American Society of Clinical Oncology (ASCO) Annual Meeting were eventually published, though in some cases there were differences in the primary end point and conclusions, according to a report in the May 1 issue of the Journal of Clinical Oncology.
Factors Affect Quality of Dual-Source Computed Tomography
WEDNESDAY, April 30 (HealthDay News) -- Heart rate variability and calcification, but not heart rate, have significant effects on image quality in patients undergoing dual-source computed tomography for known or suspected coronary artery disease, researchers report in the May issue of Radiology.
Doctors Overestimate Ability to Make Right Diagnosis
WEDNESDAY, April 30 (HealthDay News) -- Physicians have a tendency to underappreciate the scope to make wrong diagnoses and are overconfident in their diagnostic decisions, according to an article published in a supplement to the May issue of The American Journal of Medicine.
Physicians Lack Feedback on Accuracy of Diagnoses
TUESDAY, April 29 (HealthDay News) -- Clinical diagnosis is a largely open-loop system in which there is no systematic way for clinicians to obtain feedback on the outcome of their diagnoses, according to an article published in a supplement to the May issue of The American Journal of Medicine.
Palliative Care Can Improve Patient Care Most, Poll Finds
MONDAY, April 28 (HealthDay News) -- In an international poll conducted by BMJ to determine which area of health care would enable doctors to make the greatest difference to patients, palliative care for non-malignant disease received the most votes, the BMJ Group announced at the International Forum on Quality and Safety in Health Care in Paris this week.
Rising Imaging Use, Costs Call for Examination
MONDAY, April 28 (HealthDay News) -- A recent rise in the use of advanced imaging technology warrants examination of the causes and significance of the trend, as well as possible remedial actions, according to an editorial published in the May issue of Medical Care.
Method Images Oxygenation and Metabolites in Tumors
MONDAY, April 28 (HealthDay News) -- A real-time method combining functional and anatomic imaging can produce a map of oxygenation and metabolite levels in tumors, according to study findings published online April 22 in the Journal of Clinical Investigation.
Magnetic Resonance Images of Herniated Disc Reliable
THURSDAY, April 24 (HealthDay News) -- Readers of magnetic resonance images of intervertebral disc herniation are able to accurately and reliably assess disc morphology, according to a study published in the April 20 issue of Spine.
Regular Mammography Helpful in Older Women
WEDNESDAY, April 23 (HealthDay News) -- Elderly women who develop breast cancer may present with the disease at earlier stages and have better breast cancer-specific five-year survival if they've had regular mammograms, according to research published online April 21 in the Journal of Clinical Oncology.
Number of Surgeons Decreases 26 Percent in 25 Years
MONDAY, April 21 (HealthDay News) -- From 1981 to 2005 there was a 25.91 percent drop in the number of surgeons in the United States, according to a study published in the April issue of the Archives of Surgery.
Hormone Receptors Linked to Breast Cancer Recurrence
MONDAY, April 21 (HealthDay News) -- The risk of local recurrence and distant metastases is associated with hormone receptor status in women who underwent breast-conserving therapy for breast cancer, according to a study published online April 14 in the Journal of Clinical Oncology.
Laser Lithotripsy Fragments Salivary Stones In Vitro
MONDAY, April 21 (HealthDay News) -- Laser lithotripsy can effectively fragment salivary stones in an in vitro model, suggesting that lasers may be useful for the management of salivary stones in humans, according to research published online April 15 in Lasers in Surgery and Medicine.
Longer Androgen Deprivation Beneficial in Prostate Cancer
THURSDAY, April 17 (HealthDay News) -- Long-term androgen-deprivation therapy significantly improves many outcomes in locally advanced prostate cancer, except survival, although survival is also improved in patients with more aggressive cancers, according to a report published online April 14 in the Journal of Clinical Oncology.
Method Detects Extracolonic Lesions Over Colonoscopy
MONDAY, April 14 (HealthDay News) -- Abdominal computed tomography with colonography (CTC) is more effective and less costly than optical colonoscopy (OC) for the detection of extracolonic findings such as abdominal aortic aneurysms and extracolonic cancers, according to an article in the April 14 issue of the Archives of Internal Medicine.
Prenatal Ultrasound Limited in Congenital Cytomegalovirus
MONDAY, April 14 (HealthDay News) -- In women who contract primary cytomegalovirus infection during pregnancy, ultrasound predicts whether their infants will have symptomatic congenital cytomegalovirus in only one-third of cases, according to research published in the April issue of the American Journal of Obstetrics & Gynecology.
Radiation from Kyphoplasty Hazardous to Surgeon
MONDAY, April 14 (HealthDay News) -- Surgeons who perform kyphoplasty frequently may be exposed to radiation doses in unprotected areas, such as the hands and eyes, that exceed occupational safety limits, according to an article published in the Journal of Spinal Disorders & Techniques in April.
Risk of Lumbar Degeneration After Spinal Fusion Varies
MONDAY, April 14 (HealthDay News) -- In patients undergoing low lumbar spinal fusions, floating L4/5 fusions are more likely to result in degenerative changes in adjacent segments than L4/S1 or L5/S1 fusions, according to an article published in Journal of Spinal Disorders & Techniques in April.
Individualized Health Care Budgets Improve Care
FRIDAY, April 11 (HealthDay News) -- The U.K.'s National Health Service (NHS) should allow patients individual control of their health care budgets, an approach that has been shown in pilot studies to improve outcomes and patient satisfaction in a cost-effective manner, according to an analysis published April 12 in BMJ.
Drug Protects Animals Against Radiation Damage
FRIDAY, April 11 (HealthDay News) -- A drug that activates a cellular pathway used by cancer cells to avoid death can protect against radiation damage and improve survival when given before or after irradiation of mice and primates, researchers report in the April 11 issue of Science.
Consider Health Literacy Level When Writing for Patients
THURSDAY, April 10 (HealthDay News) -- Giving patients clearly written educational materials that convey key messages without resorting to jargon is an important part of engaging patient compliance with treatment and can contribute to health literacy, according to an article published in the April issue of Chest.
Doctors Vote on the Ways to Make Biggest Difference
WEDNESDAY, April 9 (HealthDay News) -- The BMJ has begun accepting votes on which areas of health care allow doctors to make the biggest difference to patient care, with a shortlist of six areas each being championed by eminent doctors and researchers. The winning topic will gain special coverage in the BMJ and the BMJ Group's 24 other specialist journals and online education products.
Combined Therapy Promising in Unresectable Liver Cancer
TUESDAY, April 8 (HealthDay News) -- In patients with large unresectable hepatocellular carcinoma tumors, treatment with transarterial chemoembolization followed by radiofrequency ablation leads to improved survival compared to treatment with either of the two modalities alone, according to research published in the April 9 issue of the Journal of the American Medical Association.
Model Predicts Survival Factors in Gallbladder Cancer
MONDAY, April 7 (HealthDay News) -- A model based on patient and tumor characteristics can predict the value of adjuvant radiotherapy for overall survival in patients with gallbladder cancer, according to a report released online March 31 in advance of publication in the May issue of the Journal of Clinical Oncology.
Child Gymnasts at High Risk for Injury
MONDAY, April 7 (HealthDay News) -- Gymnastics has one of the highest injury rates of all girls' sports, accounting for an average 26,600 hospital emergency department treatments a year in children, according to an article published in the April issue of Pediatrics.
Controversy Highlights Need for Funding Disclosure
THURSDAY, April 3 (HealthDay News) -- An editorial published April 2 in the New England Journal of Medicine disclosed that a previously published study reporting a favorable prognosis among individuals with stage I lung cancers detected by screening had received a large amount of funding from a foundation with links to the cigarette industry, highlighting the necessity of full disclosure of funding sources of biomedical research.
Adverse Effects of Shock Waves for Kidney Stones Studied
WEDNESDAY, April 2 (HealthDay News) -- Shock wave lithotripsy treatment of renal or ureteral stones does not appear to increase the rate of new-onset hypertension or diabetes mellitus, according to research published in the April issue of Urology.
Phototherapy Seems to Help in Bile-Duct Cancer Survival
WEDNESDAY, April 2 (HealthDay News) -- In patients with unresectable cholangiocarcinoma, photodynamic therapy used with endoscopic retrograde cholangiopancreatography (ERCP) may improve survival compared with just ERCP, according to research published in the March issue of Clinical Gastroenterology and Hepatology.
Cerebral Microbleeds Prevalent in Older Adults
TUESDAY, April 1 (HealthDay News) -- In older adults, the prevalence of cerebral microbleeds may be significantly higher than commonly believed and risk factors vary according to microbleed location, according to study findings published in the April 1 issue of Neurology.