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About 80 results

Why False Positives Merit Concern, Too
https://www.nytimes.com/2020/10/25/health/coronavirus-testing-false-positive.html
The New York Times; Katherine J. Wu

In the high-stakes world of coronavirus testing, one mistake has taken center stage: the dreaded false negative, wherein a test mistakenly deems an infected person to be virus-free. These troublesome results, experts have said, can deprive a person of treatment and embolden them to mingle with others, hastening the spread of disease.

'False-Positive' Cath Lab Activation for STEMI Up to 14%
https://www.mdedge.com/cardiology/article/41516/acute-coronary-syndromes/false-positive-cath-lab-activation-stemi-14
Mary Ann Moon

The prevalence of unnecessary activation of a cardiac catheterization laboratory for suspected ST-segment elevation myocardial infarction ranged from 9. 5% to 14% in one Midwestern coronary intervention network, depending on the diagnostic criteria used, researchers reported.

Bedside Ultrasound: Sorting Shadows
https://www.medpagetoday.com/emergencymedicine/emergencymedicine/47598

Sep 10th, 2014 - Action Points In a prospective, randomized trial of patients presenting to an ER with respiratory symptoms, standard diagnostic tests supplemented with point-of-care ultrasonography compared with a standard diagnostic strategy alone were associated with a higher rate of correct presumptive diagnoses. Despite the increased percentage of patients who were given a correct presumptive diagnosis and...

Lung Cancer Screening Debate Bubbles Up
https://www.medpagetoday.com/hematologyoncology/lungcancer/767

Mar 24th, 2005 - Action Points Discuss the pros and cons with patients, particularly with smokers or ex-smokers, who request a helical CT scan for lung cancer screening. Patients should understand that false-positive results are common and can lead to unnecessary worry, additional testing, and surgery. Advise current smokers that the best way to prevent lung cancer is to quit smoking. ROCHESTER, Minn., M...

Fetal DNA in Mom's Blood Signals Down Syndrome
https://www.medpagetoday.com/genetics/genetictesting/50791

Apr 2nd, 2015 - Action Points Note that a series of studies published in the New England Journal of Medicine document that peripheral blood DNA analysis has superior test characteristics compared with traditional trisomy screening methods. Be aware that false-positive results did occur; women with positive results should consider amniocentesis for definitive diagnosis. A cell-free DNA (cfDNA) prenatal b...

Low-Dose Aspirin Okay With Fecal Blood Tests
https://www.medpagetoday.com/hematologyoncology/coloncancer/23788

Dec 7th, 2010 - Action Points Note that colorectal cancer screening with fecal occult blood testing is typically done among age groups in which low-dose aspirin is often used for the prevention of cardiovascular disease. As aspirin increases the risk of GI bleeding, this could lead to false positives. Point however that, in this study, the use of low-dose aspirin was actually associated with incr...

U.S. Sues CVS for Fraudulently Billing Medicare, Medicaid for Invalid Prescriptions
https://emedicine.medscape.com/viewarticle/922782

By Reuters Staff NEW YORK (Reuters) - CVS Health Corp and its Omnicare unit were sued on Tuesday by the U.S. government, which accused them of fraudulently billing Medicare and other programs for drugs for older and disabled people without valid prescriptions. The Department of Justice joined whistleblower litigation accusing Omnicare of violating the federal False Claims Act for illegal...

Alzheimer Biomarkers in Clinical Practice
https://www.medscape.com/viewarticle/781533_3

Mar 31st, 2013 - Should You Order Amyloid Imaging? Dr. Rabinovici closed out the session with a practical look at the benefits and drawbacks of amyloid beta imaging. From a purely diagnostic perspective, knowing a patient's amyloid status appears valuable. As many as 82% of amyloid beta-positive patients ultimately convert to full-blown AD vs only 0%-7% of amyloid beta-negative patients. When FDG-PET findings a...

Celebrity Lung Cancers Spark Interest in Earlier Detection
https://www.medpagetoday.com/hematologyoncology/lungcancer/1542

Aug 15th, 2005 - Action Points The American Cancer Society does not recommend lung cancer screening. It recommends smoking cessation and annual check ups for high-risk patients. Advise patients seeking spiral CT screening for lung cancer that there is a high false positive rate associated with the screening. NEW YORK, Aug. 15-Several prominent personalities diagnosed with lung cancer have triggered inter...

Task force recommends against routine screening for heart disease
https://www.medscape.com/viewarticle/784870

Feb 16th, 2004 - Rockville, MD - The US Preventive Services Task Force (USPSTF) has issued controversial new recommendations against routine heart-disease screening for low-risk patients[1]. It says physicians should skip ECGs, treadmill tests, and CT scans for asymptomatic adults since the evidence does not support a benefit and the consequences of false-positive tests can be harmful. The recommendation...

U.S. Sues CVS for Fraudulently Billing Medicare, Medicaid for Invalid Prescriptions
https://www.medscape.com/viewarticle/922782

Dec 17th, 2019 - By Reuters Staff NEW YORK (Reuters) - CVS Health Corp and its Omnicare unit were sued on Tuesday by the U.S. government, which accused them of fraudulently billing Medicare and other programs for drugs for older and disabled people without valid prescriptions. The Department of Justice joined whistleblower litigation accusing Omnicare of violating the federal False Claims Act for illegal...

CardioBrief: Worries Emerge Over Blood Test to Rule Out MI
https://www.medpagetoday.com/cardiology/cardiobrief/64627

Apr 18th, 2017 - Along with many other cardiologists, Sek Kathiresan (Massachusetts General Hospital and Broad Institute) is worried that a new and improved diagnostic test will have disastrous unintended effects. Kathiresan expressed his concern on Twitter yesterday in response to my summary of a new paper in Annals. The study showed that the newly approved high-sensitivity cardiac troponin T (hs-TnT or...

No Emerging Safety Concerns With 9-Valent HPV Vaccine
https://emedicine.medscape.com/viewarticle/921541

NEW YORK (Reuters Health) - After three years of adverse-event surveillance and more than 28 million doses, the nine-valent human papillomavirus (9vHPV) vaccine shows no new or unexpected safety concerns, according to results from two studies. "The results of this large safety study should reassure parents and patients; the 9vHPV vaccine is both safe and effective," Dr. James G. Donahue of the ...

Making Sense of the Rise in ADHD
https://www.medscape.com/viewarticle/806714

Jun 25th, 2013 - More Attention for Rising ADHD The New York Times[1] recently reported that attention-deficit/hyperactivity disorder (ADHD) is being diagnosed in "nearly 1 in 5 high school-age boys in the United States and 11% of school-age children." The article's author commented that this is a 16% increase since 2007 and a 41% increase over the past decade. The article then immediately jumps to the editoria...

Making Sense of the Rise in ADHD
https://www.medscape.com/viewarticle/806714_1

Jun 25th, 2013 - More Attention for Rising ADHD The New York Times[1] recently reported that attention-deficit/hyperactivity disorder (ADHD) is being diagnosed in "nearly 1 in 5 high school-age boys in the United States and 11% of school-age children." The article's author commented that this is a 16% increase since 2007 and a 41% increase over the past decade. The article then immediately jumps to the editoria...

Mandatory Heart Disease Screening in Infants Saved Lives
https://www.medpagetoday.com/pediatrics/generalpediatrics/69678

Dec 5th, 2017 - Action Points States with mandatory policies for screening infants for congenital heart disease had lower rates of infant cardiac death compared to states without these policies. Note that there was a ripple effect with these policies as well, as early infant deaths from other/unspecified cardiac causes declined by 3.5 deaths per 100,000 births. States with mandatory policies for screening infa...

CAD X-Ray Role in Lung Cancer Screening Iffy
https://www.medpagetoday.com/radiology/diagnosticradiology/37993

Mar 20th, 2013 - Action Points Digital x-rays paired with computer-aided detection (CAD) led to the detection of lung nodules that were not visible by x-ray alone in at-risk patients, but the number of lung cancers identified was too small for the study to meet its primary endpoint. Note that the current trial was terminated early because of the National Lung Screening Trial results favoring chest CT for lung c...

Concussed Teen Hockey Players Back On Ice Too Soon?
https://www.medpagetoday.com/neurology/headtrauma/68796

Oct 25th, 2017 - Action Points Boys 11 to 14 years of age who sustained concussion while playing hockey showed signs of brain injury that persisted long after clinical scores returned to normal. The study suggests that more longitudinal studies are needed to understand the impact of age on concussion recovery time, potential increased risk of another concussion, and possible long-term consequences such as chron...

Breast Cancers May Elude Detection in Short-Term Follow-up Mammography
https://www.medpagetoday.com/hematologyoncology/breastcancer/9418

May 12th, 2008 - Action Points Explain to interested patients that the study found that short-term follow-up mammography in women with breast lesions initially classed as probably benign failed to identify 40% of those that were actually malignant. Explain that radiologists who spend at least 10 hours per week interpreting mammograms performed somewhat better. Point out that the study was a retrospective analys...

EOH: Molecular Breast Imaging Shows Potential as MRI Alternative
https://www.medpagetoday.com/hematologyoncology/breastcancer/9942

Jun 26th, 2008 - Action Points Explain to patients that a nuclear medicine study has shown potential as a simpler, less costly alternative to breast MRI. Note that the findings were based on a retrospective review of records on a small number of patients. Note that this study was published as an abstract and presented orally at a conference. These data and conclusions should be considered to be preliminary unti...