Vidyya Medical News Service
Volume 6 Issue 68 Published - 14:00 UTC 08:00 EST 8-Mar-2004 Next Update - 14:00 UTC 08:00 EST 9-Mar-2004
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Long term risks of medical radiation often ignored

Sustainability of medical imaging BMJ Volume 328, pp 578-80

Doctors and patients should be more aware of the long term risks of radiological investigations such as x-rays and CT scans, argues a researcher in this week's BMJ.

Use of radiation for medical examinations and tests is the largest manmade source of radiation exposure, yet doctors are insufficiently aware of the long term health risks associated with radiological imaging, while long term risks are often ignored in cost effectiveness analysis of medical imaging.

According to the author, up to a third of radiological examinations are totally or partially inappropriate. To avoid this misuse, he believes that doctors should be required to have a radiological "driving licence" with penalty points given for inappropriate prescriptions.

Patients should be required to sign an explicit and transparent informed consent form for each radiological examination. This would help reduce pressure from patients for redundant examinations. Journals should also encourage reporting of radiation doses in papers.

The current culture has taught patients that the mot expensive tests are likely to be the most effective, says the author. In a culture of shared responsibility, any useless risk - no matter how small - should be avoided.

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