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Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound (30/45MHZ) System
Published on: May 5, 2018
Fetal risk in diagnostic radiology
Cheri P Nguyen1, Lawrence H Goodman
1Tufts School of Medicine, Baystate Medical Center, Springfield, MA 01199, USA. c_nguyen80@hotmail.com
Seminars in Ultrasound, CT, and MR
|January 24, 2012
Summary
Diagnostic imaging during pregnancy is often necessary, but radiation exposure poses risks to the fetus. Most diagnostic imaging doses are low and safe, but individual risk assessment and dose reduction are crucial.
Area of Science:
- Radiology
- Obstetrics
- Pediatric Health
Background:
- Radiologic examinations are frequently required for diagnosing and treating pregnant patients.
- In utero radiation exposure can lead to adverse fetal outcomes, including death, malformations, and long-term effects like cancer.
- The risk is dependent on radiation dose and gestational age.
Purpose of the Study:
- To discuss the biological effects of in utero radiation exposure.
- To estimate fetal doses from common radiologic examinations.
- To provide guidelines for diagnostic imaging during pregnancy.
Main Methods:
- Review of scientific literature on radiation biology and diagnostic imaging.
- Analysis of fetal dose estimations from various radiologic procedures.
- Compilation of current guidelines for radiation safety in pregnancy.
Main Results:
- Average fetal doses from diagnostic imaging are typically below 50 mGy (5 rad).
- These low doses have not been linked to significant adverse fetal effects.
- Dose-dependent risks and gestational age are critical factors.
Conclusions:
- Each case of radiation exposure in pregnancy requires individual assessment.
- Informed patient consent regarding risks is essential before imaging.
- Minimizing radiation dose to the fetus is paramount, adhering to the ALARA principle.
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