Here are what the editors at HealthDay consider to be the most important developments in Radiology for August 2011. 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.
Variable Survival Benefit of Radioembolization in HCC
WEDNESDAY, Aug. 31 (HealthDay News) -- The survival benefit for patients with hepatocellular carcinoma (HCC) treated with radioembolization with yttrium-90-labeled resin microspheres is affected by numerous factors with the most significant, independent prognostic factors including Eastern Cooperative Oncology Group (ECOG) performance status, international normalized ratio >1.2, tumor burden and extrahepatic disease, according to a study published online June 30 in Hepatology.
AAP Updates Infant/Young Child Febrile UTI Guidelines
WEDNESDAY, Aug. 31 (HealthDay News) -- The American Academy of Pediatrics (AAP) has released a technical report, "Diagnosis and Management of an Initial UTI in Febrile Infants and Young Children," detailing changes that include updated recommendations for imaging. The report was published online Aug. 28 in Pediatrics.
Erythropoietin Alfa Therapy Safe Addition in Cervical Cancer
MONDAY, Aug. 29 (HealthDay News) -- Erythropoietin alfa (EPO) can be safely used in addition to adjuvant chemotherapy and pelvic radiotherapy (CRT) for patients with cervical cancer, but it does not provide a significant benefit in recurrence-free survival (RFS) or overall survival (OS), according to a study published online Aug. 22 in the Journal of Clinical Oncology.
Loss of Jobs Means Loss of Health Coverage for Many in U.S.
MONDAY, Aug. 29 (HealthDay News) -- For American adults who lose their health insurance coverage when they lose their jobs, the majority remain uninsured, delay getting needed health care or prescriptions, and report financial difficulties paying medical bills, according to a report published online Aug. 24 by The Commonwealth Fund.
Complementary Medicine Used More by Health Care Workers
FRIDAY, Aug. 26 (HealthDay News) -- U.S. health care workers, especially health care providers, are more likely to use complementary and alternative medicine (CAM) than the general, employed U.S. population, according to a study published online Aug. 22 in Health Services Research.
Helium Lung Morphometry Sensitive to Emphysema Changes
THURSDAY, Aug. 25 (HealthDay News) -- In patients with chronic obstructive pulmonary disease (COPD), non-invasive helium 3 (3He) lung morphometry is more sensitive in identifying in vivo early emphysematous changes in alveolar geometry than low-dose computed tomography (CT) or traditional pulmonary function testing (PFT), according to a study published online July 6 in Radiology.
Radiotherapy Ups Lymph Node-Positive Gastric Cancer Survival
THURSDAY, Aug. 25 (HealthDay News) -- Both preoperative radiotherapy (Pre-RT) and postoperative radiotherapy (PORT) are associated with a survival benefit for patients with lymph node-positive gastric cancer, according to a study published in the September issue of Cancer.
Stereotactic Radiotherapy Treats Colorectal Liver Mets
THURSDAY, Aug. 25 (HealthDay News) -- Stereotactic body radiotherapy is a safe and effective treatment for colorectal liver metastases, with a strong association between local control and overall survival even for heavily pretreated patients, according to a study published in the September 1 Cancer.
Adenosine-Induced Stress CT Provides Accurate Heart Scans
WEDNESDAY, Aug. 24 (HealthDay News) -- Adenosine-induced stress 128-slice dual source high-pitch myocardial computed tomography perfusion (CTP) has good diagnostic accuracy at low radiation for simultaneous assessment of reversible myocardial ischemia and coronary stenosis compared to CT angiography (CTA) and cardiac magnetic resonance imaging (CMR), according to a study published online Aug. 23 in Circulation: Cardiovascular Imaging.
CT Enterography More Sensitive Than Capsule Endoscopy
WEDNESDAY, Aug. 24 (HealthDay News) -- In patients with obscure gastrointestinal bleeding (OGIB), multiphase computed tomographic (CT) enterography is significantly more sensitive than capsule endoscopy for detecting small bowel bleeding sources and masses, according to a study published online June 3 in Radiology.
Incidental Screening Has No Impact on Adrenocortical CA
TUESDAY, Aug. 23 (HealthDay News) -- Detection rates and clinical outcomes in adrenocortical carcinoma (ACC) show no improvement due to incidental screening resulting from scans done for other purposes, according to a study published in the September issue of The Journal of Urology.
Mammography Decline Linked to Fall in Hormone Therapy
TUESDAY, Aug. 23 (HealthDay News) -- The decrease in hormone therapy (HT) use seen in the United States is correlated with a decrease in mammography rates among U.S. women aged 50 to 64 years, but not in women 65 years or older, according to a study published online Aug. 22 in Cancer.
Peak Brown Adipose Tissue Activity Seen in Adolescence
FRIDAY, Aug. 19 (HealthDay News) -- Peak brown adipose tissue (BAT) activity occurs in adolescence among both boys and girls and is inversely associated with body mass index (BMI)-percentile, according to a study published online Aug. 12 in The Journal of Pediatrics.
Coronary Artery Calcium Stratifies Cardiovascular Risk
FRIDAY, Aug. 19 (HealthDay News) -- Coronary artery calcium (CAC) seems to be a better predictor of cardiovascular events than high-sensitivity C-reactive protein (hsCRP), according to a study published in the Aug. 20 European Society of Cardiology special issue of The Lancet.
CDC: 2010/2011 Flu Vaccination Coverage Studied
THURSDAY, Aug. 18 (HealthDay News) -- Influenza vaccination coverage among health care personnel (HCP) and pregnant women in the 2010/2011 influenza season was similar to coverage for the 2009/2010 season, according to two reports in the Aug. 19 issue of the U.S. Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report.
High Cumulative Malpractice Risk for All Physicians
THURSDAY, Aug. 18 (HealthDay News) -- Physicians in all specialties have a high cumulative risk of facing a malpractice claim by age 65; although most claims do not lead to indemnity payments, according to a study published in the Aug. 18 issue of the New England Journal of Medicine.
Echolucency, Microemboli Combo Predicts Ipsilateral Stroke Risk
THURSDAY, Aug. 18 (HealthDay News) -- A combination of embolic signals (ES) detection and plaque morphology can be used to predict the risk of ipsilateral stroke in patients with asymptomatic carotid stenosis (ACS), according to a study published online Aug. 17 in Neurology.
Pericardial Fat Volume Tied to Atherosclerotic Plaque Burden
WEDNESDAY, Aug. 17 (HealthDay News) -- Pericardial fat volume is more strongly associated with coronary atherosclerotic plaque burden than body mass index (BMI) or waist circumference, according to a study published online Aug. 16 in Radiology.
Three Distinct Aspects of Knee Shape ID'd in Osteoarthritis
FRIDAY, Aug. 12 (HealthDay News) -- In women, knees with osteoarthritis (OA) have wider femoral and tibial bone, extend more during radiography, and have an elevated lateral tibial plateau, according to a study published online Aug. 2 in Arthritis & Rheumatism.
CT Not Ideal to Assess Spinal Fusion Post Lumbar Arthrodesis
THURSDAY, Aug. 11 (HealthDay News) -- Computed tomography (CT) proves to be less than ideal to assess the extent of bony fusion after attempted lumbar arthrodesis, according to a study published in the July issue of The Spine Journal.
Severe or Bilateral Carotid Stenosis Tied to Brain Atrophy
THURSDAY, Aug. 11 (HealthDay News) -- In patients with symptomatic atherosclerotic disease, severe or bilateral carotid stenosis is associated with the progression of global, cortical, and subcortical atrophy, according to a study published in the August issue of the Annals of Neurology.
Coronary Calcium Predictive of Restenosis Post SES Implantation
FRIDAY, Aug. 5 (HealthDay News) -- Multidetector computed tomography assessment of coronary calcium may be a useful technique for predicting outcomes following sirolimus-eluting stent (SES) implantation, with lesions with higher calcium scores exhibiting greater lumen loss after SES implantation, according to a study published in the Aug. 15 issue of The American Journal of Cardiology.
Cost of Interacting With Payers Higher in U.S. Than Canada
FRIDAY, Aug. 5 (HealthDay News) -- Physician practices in the United States spend considerably more on interactions with health plans than Canadian practices, according to a study published in the August issue of Health Affairs.
Pulse Oximetry Able to Detect Congenital Heart Defects
FRIDAY, Aug. 5 (HealthDay News) -- Pulse oximetry is a reasonably accurate screening test for detecting congenital heart defects in newborns, according to a study published online Aug. 5 in The Lancet.
Quantitative CT IDs Lung Changes Tied to COPD Exacerbations
THURSDAY, Aug. 4 (HealthDay News) -- Greater lung emphysema and airway wall thickness on quantitative computed tomography (CT) are associated with chronic obstructive pulmonary disease (COPD) exacerbations independent of the severity of airflow obstruction, according to a study published online July 25 in Radiology.
Higher Breast Density Tied to Higher Breast Cancer Risk
MONDAY, Aug. 1 (HealthDay News) -- Increased breast densities are associated with an increased risk of breast cancer, especially in tumors with more aggressive characteristics, and in in-situ tumors, according to a study published online July 27 in the Journal of the National Cancer Institute.
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