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News: February 14, 2012
Repeat Scans Urged for Head Injury When Blood Thinners Involved
THURSDAY, Jan. 19 (HealthDay News) -- People taking blood thinners who suffer a minor head injury should undergo repeat CT scans, researchers say. The new study included 87 patients taking warfarin (brand name Coumadin) who were treated for a mino...
X-Ray Screening Doesn't Prevent Lung Cancer Deaths: Study
WEDNESDAY, Oct. 26 (HealthDay News) -- Using chest X-rays to screen for lung cancer doesn't prevent deaths from the disease, a new study finds. "There really was no benefit of the screening," said study co-author Dr. Christine Berg, chief of the e...
White Kids More Likely to Get CT Scans After Head Trauma
FRIDAY, Oct. 14 (HealthDay News) -- Black and Hispanic children in the United States are less likely than white children to receive a CT scan after they suffer a minor head injury, a new study finds. Researchers examined the cases of nearly 40,000...
Virtual Colonoscopy Still Has Its Skeptics
MONDAY, Sept. 12 (HealthDay News) -- Whether the most technologically advanced way to check for colon cancer will become the standard screening method of the future does not appear to be a slam-dunk. The method, known as virtual colonoscopy, combi...
The Fattier Your Heart, the Greater Your Heart Disease Risk
TUESDAY, Aug. 16 (HealthDay News) -- The amount of hidden fat that collects around the heart may be a stronger indicator of cardiac disease risk than a bulging waistline or flabby thighs, a new study reports. Heart fat hidden behind the rib cage -...
Who Should Get a CT Scan to Screen for Lung Cancer?
THURSDAY, June 30 (HealthDay News) -- Annual low-dose CT scans cut the death rate from lung cancer by 20 percent in heavy smokers and formerly heavy smokers, compared to those who get annual chest X-rays, according to the results of a major Nation...
Child's Head Injury Doesn't Always Need CT Scan: Study
MONDAY, May 9 (HealthDay News) -- Children rushed to emergency rooms with minor head trauma often get unneeded CT scans that expose them to high levels of radiation, a new study indicates. Researchers analyzed the outcomes of more than 40,000 chil...
Breast Shield Better for Women Getting Chest CT Scan: Study
WEDNESDAY, May 4 (HealthDay News) -- Breast shields are the best way to protect the breasts of women from radiation exposure while they have a chest CT examination, according to a new study. The researchers compared a breast shield with a new tech...
As CT Scans of Kids Soar, Experts Urge Oversight
TUESDAY, April 5 (HealthDay News) -- The substantial increase in computed tomography (CT) examinations of children in U.S. hospital emergency departments between 1995 and 2008 highlights the need for appropriate use and interpretation of these exa...
Greater Caution Urged for X-Rays in Pregnancy, Infants
FRIDAY, Feb. 11 (HealthDay News) -- There's a small increased risk of cancer for children who had X-rays before they were 3 months old and those whose mothers had X-rays while pregnant, researchers say. The new study findings highlight the need fo...
Rare Children's Strokes Sometimes Misdiagnosed
FRIDAY, Feb. 4 (HealthDay News) -- A new pediatric study focused on hemorrhagic and ischemic stroke suggests that children who suffer a stroke may experience treatment delays because emergency rooms and paramedics often lack the appropriate tools ...
U.S. Kids Getting Lots of Radiation Scans, Study Finds
TUESDAY, Jan. 4 (HealthDay News) -- Exposure to radiation from medical imaging procedures such as X-rays and CT scans has become common among American children, a new study has found, prompting researchers to call for steps to be taken to ensure a...
ER Patients Put Faith in CT Scans
THURSDAY, Dec. 16 (HealthDay News) -- People with acute abdominal pain who go to a hospital emergency department feel more confident about their diagnosis when they have a CT scan, a new study finds. But nearly three-quarters of patients underesti...
CT Scan Use Surging in Hospital ERs
MONDAY, Nov. 29 (HealthDay News) -- The use of CT scans as a diagnostic tool is surging in emergency departments across the United States, new research indicates. In the 13-year period leading up to 2007, CT scan use in ERs increased by nearly six...
CT Scans Seem to Lower Lung Cancer Death Rates
THURSDAY, Nov. 4 (HealthDay News) -- Annual screening for lung cancer with low-dose CT scans cut mortality rates in older, current or former heavy smokers by 20 percent, a major U.S. government study finds. Given the large numbers of Americans who...
3 or More X-Rays May Raise Leukemia Risk Among Kids: Study
FRIDAY, Oct. 8 (HealthDay News) -- Researchers report that exposure to three or more X-rays in childhood may double the odds that a child will develop a form of leukemia, although the overall risk remains small. The study authors aren't calling fo...
Cumulative Radiation Doses Seen in Cardiac Imaging
FRIDAY, July 9 (HealthDay News) -- Cardiac imaging procedures, the use of which has exploded in the United States in recent years, are exposing patients to potentially cumulative doses of radiation, according to the largest analysis of its kind. B...
Radiation Risks Nearly Double for Younger CT Scan Patients
MONDAY, May 3 (HealthDay News) -- Radiation risks associated with abdominal and pelvic CT scans are twice as high for younger patients as older patients, a new study finds. "Estimating the risks associated with ionizing radiation is complex," stud...
FDA Hears Views on Risks of High Tech Scanners
WEDNESDAY, March 31 (HealthDay News) -- Fears that popular medical imaging technologies are exposing Americans to too much radiation are getting a public airing this week as the U.S. Food and Drug Administration concludes two days of meetings on W...
Too Much Radiation? The FDA Wants to Know
TUESDAY, March 30 (HealthDay News) -- Fears that Americans are being exposed to too much radiation will get a public airing this week as the U.S. Food and Drug Administration holds two days of meetings on what should be done to increase the safety...
FDA Seeks Reduction in Radiation From Medical Scans
TUESDAY, Feb. 9 (HealthDay News) -- The U.S. Food and Drug Administration unveiled a plan Tuesday to reduce radiation exposure from three types of increasingly widespread imaging procedures: computed tomography (CT), nuclear medicine studies and f...
CT Scans Deemed Best for Checking Heart Arteries
TUESDAY, Feb. 2 (HealthDay News) --When a doctor wants to assess the condition of heart arteries without putting a gadget into those blood vessels, the X-ray technology called computed tomography -- more commonly called a CT scan -- is better than...
Studies Quantify Cancer Risks From CT Scans
MONDAY, Dec. 14 (HealthDay News) -- Commonly performed CT scans are exposing patients to far more radiation than previously thought and in doses that could cause tens of thousands of cancers a year, two new studies claim. Based on the findings, re...
CT Scan May Predict Colon Cancer Survival
TUESDAY, Dec. 1 (HealthDay News) -- A CT scan of liver tumors caused by the spread of colorectal cancer may help predict overall survival after chemotherapy, researchers report. Adding bevacizumab (Avastin) to cytotoxic chemotherapy has been shown...
CT Scan Patients May Get Unnecessary Imaging
MONDAY, Nov. 30 (HealthDay News) -- More than half of patients who have abdominal/pelvic CT scans receive additional unnecessary imaging tests that expose them to extra radiation, U.S. researchers say. In the study, 978 CT abdominal and pelvic ser...
The Mummies' Curse: Heart Disease
TUESDAY, Nov. 17 (HealthDay News) -- Hardening of the arteries may have more of a family history -- the human family tree -- than was once thought. Modern-day imaging techniques have unearthed hardening of the arteries -- or atherosclerosis, which...
Radiation From Medical Scans Soaring
TUESDAY, Oct. 27 (HealthDay News) -- Americans' exposure to radiation from medical procedures has exploded over the past few decades, to six times the level of 1980, a new report shows. In 2006, almost 380 million diagnostic and interventional rad...
CT Scans Surpass X-Rays for Swine Flu: Study
THURSDAY, Oct. 22 (HealthDay News) -- New research suggests that computed tomography (CT) scans are better than standard X-rays at detecting the severity of illness in patients with the H1N1 virus, known as swine flu. Researchers examined seven pa...
Severe Swine Flu Could Lead to Blood Clots in Lungs: Study
WEDNESDAY, Oct. 14 (HealthDay News) -- People who are severely ill with the H1N1 swine flu run the risk of blood clots in the lungs, University of Michigan researchers say. And because standard chest X-rays may not be able to spot the potentially ...
Not All Kids With Head Injuries Need Brain Scans
MONDAY, Sept. 14 (HealthDay News) -- Guidelines to identify children with a very low risk of serious brain injury after they've suffered a head injury are highly effective and can reduce the use of scans that expose children to radiation, a new st...
Medical Scans a Significant Source of Radiation
WEDNESDAY, Aug. 26 (HealthDay News) -- Medical imaging tests nearly double the amount of radiation Americans would otherwise be exposed to, new research shows. CT scans and nuclear imaging contributed to more than three-quarters of the exposure, a...
Coronary Calcium Scans Can Raise Cancer Risks
MONDAY, July 13 (HealthDay News) -- When weighing whether a coronary calcium scan is worth the risk, a new study suggests that arriving at an answer won't be clear-cut or easy. A team of researchers from the U.S. National Cancer Institute and Colu...
Experimental Urine Test Spots Appendicitis
TUESDAY, June 23 (HealthDay News) -- A new urine test may one day spot appendicitis faster and more accurately than current tests do, researchers report. Appendicitis is the most common surgical emergency in children, but the diagnosis can be chal...
As CT Radiation Accumulates, Cancer Risk May Rise
TUESDAY, March 31 (HealthDay News) -- Cumulative exposure to radiation from CT scans can increase the risk for cancer by as much as 12 percent, Harvard University researchers report. Widely used as a diagnostic tool, CT scans provide detailed imag...
CT Scans of Pregnant Women Increasing
TUESDAY, March 17 (HealthDay News) -- Although more pregnant women are getting all types of medical imaging, the number of those getting CT scans has more than doubled over 10 years, Brown University researchers report. CT exams are not routinely ...
Radiation From CT Scans Not Always the Same
TUESDAY, Feb. 3 (HealthDay News) -- Exposure to radiation varies widely among people who undergo computed tomography (CT) scans, a new study has found. The study, published in the Feb. 4 issue of the Journal of the American Medical Association, co...
Experts Urge Limits on Use of Cardiac CT Scans
MONDAY, Feb. 2 (HealthDay News) -- Certain kinds of heart imaging tests should be used cautiously to minimize patient exposure to ionizing radiation, which has been linked to cancer. That's the conclusion of a new American Heart Association scienc...
More Americans Urged to Get Cancer Screenings
THURSDAY, Jan. 15 (HealthDay News) -- Screening for breast, cervical and colon cancer saves lives, but too few Americans are getting the recommended screens or getting them regularly enough, a new report shows. The rate of screening for breast and...
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