Transradial (TR) cardiac catheterisation is thought to be associated with an increased exposure to radiation compared with the traditional transfemoral (TF) access. This paper provides a review of current literature describing these reported associations. Although several studies have reported an increase in radiation exposure to both operator and patient with TR compared with TF access, others have reported findings suggesting no significant difference, even reporting decreased exposure with TR access. Ultimately, increased radiation exposure appears likely with TR access; however, in consideration of the many benefits associated with TR access, radiation exposure remains only one of many considerations when deciding between routes of access.
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