Curated News: JAMA

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18-Jun-2015 1:00 PM EDT
Current Monitoring of Pacemakers, Defibrillators May Underestimate Device Problems
University of California, San Francisco (UCSF)

The current monitoring of patients with cardiac implantable electronic devices (CIEDs) such as pacemakers and defibrillators may be underestimating device problems, according to UC San Francisco researchers who propose systematic methods to determine accurate causes of sudden death in those with CIEDs as well as improved monitoring for device concerns.

16-Jun-2015 1:45 PM EDT
Cosmetic Lip Surgery May Ease Facial Paralysis, Small Study Suggests
Johns Hopkins Medicine

A cosmetic surgery that uses injections of hyaluronic acid to make lips appear fuller could also improve the lives of people with facial paralysis, according to results of a small study by researchers at Johns Hopkins and Stanford universities.

Released: 17-Jun-2015 11:00 AM EDT
Breast-Conserving Therapy for Early-Stage Cancers Has Increased Substantially, Though Access Remains an Issue
University of Texas MD Anderson Cancer Center

The first comprehensive national review of breast-conserving therapy (BCT) shows that over the last 13 years rates of this treatment modality for early-stage breast cancer have increased at a steady pace. However, the review also highlights important demographic factors that impact which patients have access to BCT.

11-Jun-2015 4:05 PM EDT
Trial Compares Antibiotics vs Appendectomy for Treatment of Appendicitis
JAMA - Journal of the American Medical Association

Among patients with uncomplicated appendicitis, antibiotic treatment did not meet a prespecified level of effectiveness compared with appendectomy, although most patients who received antibiotic therapy did not require an appendectomy, and for those who did, they did not experience significant complications, according to a study in the June 16 issue of JAMA.

11-Jun-2015 4:05 PM EDT
Study Shows Benefit of Higher Quality Screening Colonoscopies
JAMA - Journal of the American Medical Association

An analysis that included information from more than 57,000 screening colonoscopies suggests that higher adenoma detection rates may be associated with up to 50 percent to 60 percent lower lifetime colorectal cancer incidence and death without higher overall costs, despite a higher number of colonoscopies and potential complications, according to a study in the June 16 issue of JAMA.

11-Jun-2015 4:05 PM EDT
Development Assistance for Health Has Increased Since 1990 for Low-Income Countries
JAMA - Journal of the American Medical Association

Funding for health in developing countries has increased substantially since 1990, with a focus on HIV/AIDS, maternal health, and newborn and child health, and limited funding for noncommunicable diseases, according to a study in the June 16 issue of JAMA.

11-Jun-2015 4:05 PM EDT
Extremely Preterm Infants Enrolled in RCTs Do Not Experience Worse Outcomes
JAMA - Journal of the American Medical Association

In a group of more than 5,000 extremely preterm infants, important in-hospital outcomes were neither better nor worse in infants enrolled in randomized clinical trials (RCTs) compared with eligible but nonenrolled infants, findings that may provide reassurance regarding concerns about performing RCTs in this vulnerable population, according to a study in the June 16 issue of JAMA.

Released: 11-Jun-2015 2:25 PM EDT
Medicare Records Study Affirms Link Between Disjointed Care and Unnecessary Medical Procedures
Johns Hopkins Medicine

A "look back" study of Medicare fee-for-service claims for more than 1.2 million patients over age 65 has directly affirmed and quantified a long-suspected link between lower rates of coordinated health care services and higher rates of unnecessary medical tests and procedures.

11-Jun-2015 11:00 AM EDT
ADAMTS Family of Genes May Be the Next ‘Thing’ in Ovarian Cancer Treatment
University of Texas MD Anderson Cancer Center

There is the Addams Family. And then there is the ADAMTS family. While one is mindless entertainment, the latter may prove to be a new genetic avenue for designing ovarian cancer treatment.

Released: 9-Jun-2015 2:05 PM EDT
Youth on the Autism Spectrum Who Are Overly Sensitive to Sensory Stimuli Have Brains That React Differently Than Youth Who Are Not as Affected by Such Stimuli
University of California, Los Angeles (UCLA), Health Sciences

Using functional magnetic resonance imaging, a team of UCLA researchers has shown for the first time that children with autism spectrum disorder (ASD) who are overly sensitive to sensory stimuli have brains that react differently than those with the disorder who don’t respond so severely to noises, visual stimulation and physical contact.

4-Jun-2015 5:05 PM EDT
Overall Rate of Traumatic Spinal Cord Injury Remains Stable in U.S.
JAMA - Journal of the American Medical Association

Between 1993 and 2012, the incidence rate of acute traumatic spinal cord injury remained relatively stable in the U.S., although there was an increase among older adults, mostly associated with an increase in falls, according to a study in the June 9 issue of JAMA, a theme issue on the Americans with Disabilities Act.

4-Jun-2015 5:05 PM EDT
Control System Shows Potential for Improving Function of Powered Prosthetic Leg
JAMA - Journal of the American Medical Association

A control system that incorporated electrical signals generated during muscle contractions and gait information resulted in improved real-time control of a powered prosthetic leg for different modes of walking (such as on level ground or descending stairs), according to a study in the June 9 issue of JAMA, a theme issue on the Americans with Disabilities Act.

4-Jun-2015 5:05 PM EDT
MCAT Predicts Differently for Students Who Test with Extra Time
JAMA - Journal of the American Medical Association

Among applicants to U.S. medical schools, those with disabilities who obtained extra test administration time for the Medical College Admission Test in use from 1991 to January 2015 had no significant difference in rate of medical school admission but had lower rates of passing the United States Medical Licensing Examination Step examinations and of medical school graduation, according to a study in the June 9 issue of JAMA, a theme issue on the Americans with Disabilities Act.

4-Jun-2015 5:05 PM EDT
Examination of Gastroenteritis Hospitalization Rates Following Use of Rotavirus Vaccine
JAMA - Journal of the American Medical Association

Following implementation of rotavirus vaccination in 2006, all-cause acute gastroenteritis hospitalization rates among U.S. children younger than 5 years of age declined by 31 percent - 55 percent in each of the post-vaccine years from 2008 through 2012, according to a study in the June 9 issue of JAMA.

Released: 8-Jun-2015 4:25 PM EDT
Chemo Instead of Hormone Therapy May Be Preferred Option for Some with Advanced Prostate Cancer
Johns Hopkins Medicine

In a small clinical trial, scientists at Johns Hopkins’ Kimmel Cancer Center and James Buchanan Brady Urological Institute found that men with advanced prostate cancer and detection of androgen receptor splice variant-7 (AR-V7) respond to chemotherapy just as well as men who lack the variant.

4-Jun-2015 12:05 PM EDT
Certain Preoperative Tests Still Common in U.S. Despite Low Value and High Costs
NYU Langone Health

Professional physician associations consider certain routine tests before elective surgery to be of low value and high cost, and have sought to discourage their utilization. Nonetheless, a new national study by researchers at NYU Langone Medical Center finds that despite these peer-reviewed recommendations, no significant changes have occurred over a 14-year period in the rates of several kinds of these pre-operative tests.

28-May-2015 4:05 PM EDT
Examination of Antidepressant Use in Late Pregnancy and Newborn Respiratory Disorder
JAMA - Journal of the American Medical Association

An analysis of approximately 3.8 million pregnancies finds that use of antidepressants late in pregnancy may be associated with an increased risk of persistent pulmonary hypertension of the newborn (PPHN), according to a study in the June 2 issue of JAMA. However, the absolute risk was small and the risk increase appears more modest than suggested in previous studies. PPHN is a rare but life-threatening condition that occurs when a newborn's circulation system doesn't adapt to breathing outside the womb.

28-May-2015 4:05 PM EDT
Multifaceted Intervention Associated With Modest Decrease in Surgical Site Infections
JAMA - Journal of the American Medical Association

Implementation of a pre-surgical intervention that included screening for the bacteria Staphylococcus aureus, treating patients who were positive for this bacteria, and the administration of antibiotics based on these culture results was associated with a modest reduction in S aureus surgical site infections, according to a study in the June 2 issue of JAMA.

28-May-2015 4:05 PM EDT
Study Questions Effectiveness of Computerized Clinical Decision Support Systems
JAMA - Journal of the American Medical Association

An analysis of the use of computerized clinical decision support systems regarding orders for advanced diagnostic imaging found that the systems failed to identify relevant appropriateness criteria for the majority of orders, according to a study in the June 2 issue of JAMA.

26-May-2015 11:00 AM EDT
State Regulations for Indoor Tanning Could Lead to a National Regulatory Framework
Lombardi Comprehensive Cancer Center at Georgetown University

A national regulatory framework designed to prevent and limit indoor tanning is needed to alleviate the cancer burden and reduce the billions in financial costs from preventable skin cancer, say two Georgetown University public health experts.

Released: 26-May-2015 11:55 AM EDT
A Push to Open Doors to Care for the Homebound
Johns Hopkins School of Nursing

Study in JAMA Internal Medicine examines a nearly invisible population of shut-ins for ways to treat the infirm, assist the rest.

21-May-2015 4:05 PM EDT
Subclinical Hyperthyroidism Associated With an Increased Risk of Hip and Other Fractures
JAMA - Journal of the American Medical Association

In an analysis that included more than 70,000 participants from 13 studies, subclinical hyperthyroidism was associated with an increased risk for hip and other fractures including spine, according to a study in the May 26 issue of JAMA. Subclinical hyperthyroidism is a low serum thyroid-stimulating hormone concentration in a person without clinical symptoms and normal thyroid hormone concentrations on blood tests.

21-May-2015 4:05 PM EDT
Soy Isoflavone Supplement Does Not Improve Symptoms for Poorly Controlled Asthma
JAMA - Journal of the American Medical Association

Although some data have suggested that supplementation with soy isoflavone may be an effective treatment for patients with poor asthma control, a randomized trial that included nearly 400 children and adults found that use of the supplement did not result in improved lung function or clinical outcomes, including asthma symptoms and episodes of poor asthma control, according to a study in the May 26 issue of JAMA. Soy isoflavones are plant (soybean) derived chemicals that have anti-oxidant effects.

21-May-2015 4:05 PM EDT
Study Examines Association of Genetic Variants with Cognitive Impairment
JAMA - Journal of the American Medical Association

Individually rare but collectively common intermediate-size copy number variations may be negatively associated with educational attainment, according to a study in the May 26 issue of JAMA. Copy number variations (CNVs) are regions of the genome that differ in the number of segments of DNA.

21-May-2015 5:05 PM EDT
Study Finds Association Between Exposure to Aflatoxin and Gallbladder Cancer
JAMA - Journal of the American Medical Association

In a small study in Chile that included patients with gallbladder cancer, exposure to aflatoxin (a toxin produced by mold) was associated with an increased risk of gallbladder cancer, according to a study in the May 26 issue of JAMA.

14-May-2015 5:05 PM EDT
Oral Steroids for Herniated Disk Do Not Improve Pain
JAMA - Journal of the American Medical Association

Among patients with acute radiculopathy (sciatica) due to a herniated lumbar disk, a short course of oral steroids, compared with placebo, resulted in modest improvement in function and no significant improvement in pain, according to a study in the May 19 issue of JAMA.

14-May-2015 5:05 PM EDT
Study Finds High Prevalence of Metabolic Syndrome in U.S.
JAMA - Journal of the American Medical Association

Nearly 35 percent of all U.S. adults and 50 percent of those 60 years of age or older were estimated to have the metabolic syndrome in 2011-2012, according to a study in the May 19 issue of JAMA.

14-May-2015 5:05 PM EDT
Studies Examine Prevalence of Amyloid among Adults and its Link with Cognitive Impairment
JAMA - Journal of the American Medical Association

Two studies in the May 19 issue of JAMA analyze the prevalence of the plaque amyloid among adults of varying ages, with and without dementia, and its association with cognitive impairment.

14-May-2015 5:30 PM EDT
Study: Many People In Emergency Department for Chest Pain Don't Need Admitted
Ohio State University Wexner Medical Center

Chest pain sends 7 million Americans to the ED each year. About half are admitted for further observation, testing or treatment. A new study finds a very low short-term risk for life-threatening cardiac events among patients with chest pain who have normal test results.

Released: 18-May-2015 10:05 AM EDT
Concussion in Former NFL Players Related to Brain Changes Later in Life
UT Southwestern Medical Center

In the first study of its kind, former National Football League (NFL) players who lost consciousness due to concussion during their playing days showed key differences in brain structure later in life.

14-May-2015 5:05 PM EDT
Newer Method of Oxygen Delivery for Patients at Risk of Respiratory Failure after Surgery
JAMA - Journal of the American Medical Association

A relatively new, easier to implement, and better-tolerated method to provide supplemental oxygen to patients at risk of respiratory failure after surgery did not result in a worse rate of treatment failure compared to a more commonly used method, according to a study appearing in JAMA. The study is being released to coincide with its presentation at the American Thoracic Society 2015 International Conference.

7-May-2015 3:05 PM EDT
Public Health Advisories Linked With Reduction of Codeine Dispensing to Postpartum Women
JAMA - Journal of the American Medical Association

Public health advisories from the U.S. Food and Drug Administration (FDA) and Health Canada were associated with significant reductions in the rate of dispensing of codeine to postpartum women, according to a study in the May 12 issue of JAMA.

6-May-2015 2:00 PM EDT
Statin Drugs Can Delay Prostate Cancer Progression in Patients Receiving Androgen Deprivation Therapy, Study Shows
Dana-Farber Cancer Institute

Men who went on cholesterol-lowering statin drugs when they began androgen deprivation therapy for prostate cancer had a longer time in which their disease was under control than did men who didn’t take statins, a clinical trial led by Dana-Farber Cancer Institute investigators shows.

30-Apr-2015 2:00 PM EDT
Interferon-Free Therapy Clears Hepatitis C in 93 Percent of Patients in Trial
Duke Health

A 12-week dose of an investigational three-drug hepatitis C combination cured the virus in 93 percent of patients with liver cirrhosis who hadn’t previously been treated, according to a study in the May 5, 2015, issue of The Journal of the American Medical Association.

30-Apr-2015 6:05 PM EDT
Studies Show Effectiveness of Combo Treatment for HCV Patients With, Without Cirrhosis
JAMA - Journal of the American Medical Association

In two studies appearing in the May 5 issue of JAMA, patients with chronic hepatitis C virus (HCV) genotype 1 infection and with or without cirrhosis achieved high rates of sustained virologic response after 12 weeks of treatment with a combination of the direct-acting-antiviral drugs daclatasvir, asunaprevir, and beclabuvir.

1-May-2015 12:05 PM EDT
Treatment Reduces Risk of Recurrence of C difficile Infection
JAMA - Journal of the American Medical Association

Among patients with Clostridium difficile infection (CDI) who recovered following standard treatment with the antibiotics metronidazole or vancomycin, oral administration of spores of a strain of C difficile that does not produce toxins colonized the gastrointestinal tract and significantly reduced CDI recurrence, according to a study in the May 5 issue of JAMA.

30-Apr-2015 11:30 AM EDT
Off-Label Use of Device to Prevent Stroke in A-Fib Patients is Prevalent and Potentially Dangerous
Perelman School of Medicine at the University of Pennsylvania

The Lariat device is associated with a significant incidence of death and urgent cardiac surgery during its frequent off-label use to prevent stroke in patients with the irregular heartbeat known as atrial fibrillation. Following a systematic review of case reports and an FDA safety database, researchers are calling for formal controlled investigations into the safety and efficacy of off-label use of the Lariat device, which has never been approved for treatment of this condition.

21-Apr-2015 10:00 AM EDT
Musculoskeletal Outcomes From Study on Adolescent Bariatric Surgery Safety
Nationwide Children's Hospital

Outcomes regarding musculoskeletal disease among severely obese adolescents participating in the “Teen Longitudinal Assessment of Bariatric Surgery” (Teen-LABS) study were published this week in JAMA Pediatrics.

16-Apr-2015 12:05 PM EDT
Parent Training Significantly Reduces Disruptive Behavior in Children with Autism
Ohio State University Wexner Medical Center

A new study suggests that doctors may want to focus on parents and not just on their patients when it comes to caring for children with autism spectrum disorder. The study, published in the April issue of the Journal of the American Medical Association, found that parents who were taught specific behavior management skills saw a dramatic improvement in their child’s behavior.

16-Apr-2015 2:05 PM EDT
No Association Found Between MMR Vaccine and Autism, Even Among Children at Higher Risk
JAMA - Journal of the American Medical Association

In a study that included approximately 95,000 children with older siblings, receipt of the measles-mumps-rubella (MMR) vaccine was not associated with an increased risk of autism spectrum disorders (ASD), regardless of whether older siblings had ASD, findings that indicate no harmful association between receipt of MMR vaccine and ASD even among children already at higher risk for ASD, according to a study in the April 21 issue of JAMA, a theme issue on child health.

16-Apr-2015 2:05 PM EDT
Parent Training Program Helps Reduce Disruptive Behavior of Children with Autism
JAMA - Journal of the American Medical Association

A 24 week parent training program, which provided specific techniques to manage disruptive behaviors of children with autism spectrum disorder, resulted in a greater reduction in disruptive and noncompliant behavior compared to parent education, according to a study in the April 21 issue of JAMA, a theme issue on child health.

16-Apr-2015 2:05 PM EDT
Incidence of Serious Diabetes Complication May Be Increasing Among Youth in U.S.
JAMA - Journal of the American Medical Association

The incidence of a potentially life-threatening complication of diabetes, diabetic ketoacidosis, in youth in Colorado at the time of diagnosis of type 1 diabetes increased by 55 percent between 1998 and 2012, suggesting a growing number of youth may experience delays in diagnosis and treatment, according to a study in the April 21 issue of JAMA, a theme issue on child health.

16-Apr-2015 2:05 PM EDT
Study Shows Feasibility of Using Gene Therapy to Treat Rare Immunodeficiency Syndrome
JAMA - Journal of the American Medical Association

In a small study that included seven children and teens with Wiskott-Aldrich syndrome, a rare immunodeficiency disorder, use of gene therapy resulted in clinical improvement in infectious complications, severe eczema, and symptoms of autoimmunity, according to a study in the April 21 issue of JAMA, a theme issue on child health.

16-Apr-2015 2:05 PM EDT
Oral Insulin Shows Potential for Preventing Type 1 Diabetes in High-Risk Children
JAMA - Journal of the American Medical Association

In a pilot study that included children at high risk for type 1 diabetes, daily high-dose oral insulin, compared with placebo, resulted in an immune response to insulin without hypoglycemia, findings that support the need for a phase 3 trial to determine whether oral insulin can prevent islet autoimmunity and diabetes in high-risk children, according to a study in the April 21 issue of JAMA, a theme issue on child health.

14-Apr-2015 2:00 PM EDT
Obesity Significantly Increases Prostate Cancer Risk in African-American Men
Fred Hutchinson Cancer Center

Obesity in black men substantially increases the risk of low- and high-grade prostate cancer, while obesity in white men moderately reduces the risk of low-grade cancer and only slightly increases the risk of high-grade cancer, according to the first large, prospective study to examine how race and obesity jointly affect prostate cancer risk.

9-Apr-2015 2:05 PM EDT
Intrauterine Exposure to Maternal Gestational Diabetes Linked With Risk of Autism
JAMA - Journal of the American Medical Association

Among a group of more than 320,000 children, intrauterine exposure to gestational diabetes mellitus diagnosed by 26 weeks' gestation was associated with risk of autism spectrum disorders (ASDs), according to a study in the April 14 issue of JAMA. Maternal pre-existing type 2 diabetes was not significantly associated with risk of ASD in offspring.

9-Apr-2015 2:05 PM EDT
Increase Seen in Data Breaches of Health Information
JAMA - Journal of the American Medical Association

Between 2010 and 2013, data breaches of protected health information reported by HIPAA-covered entities increased and involved approximately 29 million records, with most data breaches resulting from overt criminal activity, according to a study in the April 14 issue of JAMA.

9-Apr-2015 2:05 PM EDT
Study Identifies Factors Linked to Greater Adherence to Use of Anticoagulant
JAMA - Journal of the American Medical Association

Among patients with atrial fibrillation who filled prescriptions for the anticoagulant dabigatran at Veterans Health Administration sites, there was variability in patient medication adherence across sites, with appropriate patient selection and pharmacist-led monitoring associated with greater adherence to the medication, according to a study in the April 14 issue of JAMA.

9-Apr-2015 3:05 PM EDT
No Long-Term Survival Difference Found Between Types of Mitral Valve Replacements
JAMA - Journal of the American Medical Association

In a comparison of mechanical prosthetic vs bioprosthetic mitral valves among patients 50 to 69 years of age undergoing mitral valve replacement, there was no significant difference in survival at 15 years, although there were differences in risk of reoperation, bleeding and stroke, according to a study in the April 14 issue of JAMA.

Released: 9-Apr-2015 2:05 PM EDT
A “Blind Spot” in Hospital Safety? Surgeon Credentialing for New Procedures & Technologies
Michigan Medicine - University of Michigan

A new Viewpoint piece on surgeon credentialing for new procedures and technologies reviews litigation in the area, and recommends a new approach to protect patient safety.



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