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Deficiencies in physician knowledge of the risks of imaging in pregnancy.

INTRODUCTION: The use of diagnostic imaging in pregnant women is on the rise. Misconceptions regarding the risks and effects of fetal radiation exposure may lead to inappropriate practice patterns. The objective of this study was to query physicians about their knowledge and use of imaging in gravid women.

METHODS: An anonymous survey was distributed to obstetrician-gynecologists and emergency medicine specialists regarding the risks of radiologic studies in pregnancy. Physicians were asked knowledge-based questions and were given case-based scenarios. The survey also queried physician demographics and practice patterns.

RESULTS: Forty-nine surveys were collected from 23 obstetrician-gynecologists and 26 emergency medicine physicians at a single academic institution. Respondents correctly answered 54% of the questions. Overall obstetrician-gynecologists (59%) performed better than emergency medicine physicians (43%). In particular, obstetrician-gynecologists were more accurate with questions concerning the risk of imaging for ectopic pregnancy, appendicitis, and pulmonary embolism. Emergency physicians were more likely to appropriately order trauma computed tomography scans.

CONCLUSIONS: Health care providers scored poorly regarding the safety and appropriateness of radiologic studies for pregnant women. Despite established protocols, there appears to be significant variation in patient management and physician knowledge. Although obstetrician-gynecologists performed better than emergency medicine physicians, there is a need for further education in both specialties.

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