Skip 
Navigation Link

1215 South Walnut Ave.
Demopolis, AL 36732 map map 

Access to Care: 334.289.2410

Medical Disorders
Resources
Basic InformationLookupsLatest News
Health Tip: Do's and Don'ts for Calling 911Health Tip: A Well-Stocked First-Aid KitOpioids Won't Help Arthritis Patients Long-Term: StudyScreening Truckers for Sleep Apnea Cuts Health Insurance CostsDo You Take Biotin Supplements? They Could Affect Your Medical TestsFewer Opioids After Eye Surgery Don't Mean More Post-Op PainReport Finds Americans' Health Is FlaggingWildfire Smoke Threatens Health for Miles AroundIs Head Injury Causing Dementia? MRI Might ShowAHA News: How Does Hormone Therapy Affect Heart Health in Transgender People?Many Women Are Sharing Breast Milk, and That Has Health Experts WorriedLanguage Barriers May Mean Repeat Visits to the HospitalVision Problems Strike More Than 2 Billion GloballyWhat Are the Risks of Pain Relief Alternatives to Opioids?'Alarming' Number of Lupus Patients Use Opioids for Pain: StudyMental Ills May Put Veterans at Higher Odds for Heart TroubleU.S. Minorities' Recent Health Gains May Be SlowingDon't Let Fear of Cancer Keep You From Doctor VisitsOpioid Prescriptions for Eye Surgery Patients SurgeIntense Gaming Can Trigger Irregular Heartbeat, Fainting in Some PlayersCould Profit Be a Factor in Kidney Transplant Decisions?Treatment for Very-Preterm Infants May Lead to Antibiotic ResistanceHurricane Dorian Can Wreak Havoc on Heart HealthMore CT, MRI Scans Being Used, Despite Calls to Cut BackThousands of Kidneys Thrown Away by U.S. Transplant CentersRestless Legs Syndrome Might Raise Risk of Suicide, Self-HarmMixing Marijuana With Opioids May Not Be Good for Mental HealthAHA News: Hurricane Checklist: Batteries, Bottled Water – And A Plan for Heart CareFor Asthmatic Kids in Tough Neighborhoods, Family Is KeySmog Could Land Newborns in Intensive CareTraveling Abroad? Make Sure Your Measles Shot Is Up to DateFDA Grants First Approvals for Generic Versions of LyricaAHA News: Where There's Wildfire Smoke, There May Be Heart ProblemsAnother Study Casts Doubt on Safety of Herbal Drug KratomTongue, Lip Snip Surgeries May Be Overused in U.S. NewbornsBrain Injury Often a Devastating Side Effect of Domestic ViolenceAnti-Vaccine Movement a 'Man-Made' Health Crisis, Scientists WarnWhen Traditional Rx Fails, Psoriasis Patients Seek AlternativesVets With PTSD Face Higher Odds for Early Death From Multiple CausesU.S. Cases of Infant Gut Illness Plummet After Vaccine IntroducedThe Safer Way to Ease Post-Surgical PainOverweight Kids Are at Risk for High Blood PressureAHA News: 3 Simple Steps Could Save 94 Million Lives WorldwideRace Affects Life Expectancy in Major U.S. CitiesU.S. Measles Cases for 2019 Already Exceed All Annual Totals Since 1992: CDCHigh LDL Cholesterol Tied to Early-Onset Alzheimer'sBlood Banks Could Help Screen for Hereditary High CholesterolHigh Measles Rates Mean Kids, Adults Need Proper Vaccination: CDCCPAP Brings Longer Life for Obese People With Sleep Apnea: StudyAHA News: Is Yoga Heart-Healthy? It's No Stretch to See Benefits, Science Suggests
Questions and AnswersVideosLinksBook Reviews
Related Topics

Cancer
Men's Health
Women's Health

Radiation Doses From CT Scans Vary Widely

HealthDay News
by -- Steven Reinberg
Updated: Jan 7th 2019

new article illustration

MONDAY, Jan. 7, 2019 (HealthDay News) -- CT scans diagnose many serious conditions and illnesses, but they expose patients to levels of radiation that aren't always consistent and may be harmful, a new study finds.

The large differences in the doses of radiation patients are exposed to appear to be caused by who is doing the scanning and not differences in patients or equipment, researchers found.

It should be possible, the researchers said, to standardize how the scans are set, to avoid giving patients too much radiation, which can increase their risk of cancer.

According to the study, radiation doses vary by patients, hospitals and countries. In many cases, radiation could be cut by 50 percent without reducing the quality of the image or its diagnostic accuracy.

A team lead by Dr. Rebecca Smith-Bindman, a professor in the department of radiology and biomedical imaging epidemiology and biostatistics at the University of California, San Francisco, analyzed dose data for over 2 million CT scans from 151 institutions in seven countries.

The study included scans of the abdomen, chest and head done between November 2015 and August 2017.

The investigators found that patient characteristics, type and make of scanner, and type of hospital where the scan was done had little effect on differences in the amount of radiation used.

For example, after taking into account patient factors, a fourfold range in radiation doses still existed in abdominal scans. Similar variations were found for chest and combined chest-and-abdomen scans.

But when Smith-Bindman's group adjusted for technical factors -- how the scanners were used by the medical staff -- the variations in doses nearly disappeared.

The report was published Jan. 2 in the journal BMJ.

The findings suggest that optimizing doses to a consistent standard is possible, the researchers said in a journal news release. They recommended that more education is needed and that optimum target doses should be set.

More information

Harvard University Medical School has more on radiation from scans.