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Measurement of the dose of radiation to the surgeon during surgery to the foot and ankle

¹ Nuffield Orthopaedic Centre, Windmill Road, Headington, Oxford OX3 7LD, UK.
² Heatherwood & Wexham Park NHS Trust, Wexham, Slough, Berkshire SL2 4HL, UK.

Correspondence should be sent to Mr P. J. Singh; e-mail: drparm{at}gmail.com

We carried out a prospective study over a period of 12 months to measure the exposure to radiation of the hands of a dedicated foot and ankle surgeon. A thermoluminescent dosimeter ring (TLD) was used to measure the cumulative dose of radiation. Fluoroscopy was used in operations on the foot and ankle. The total screening time was 3028 s, with a mean time per procedure of 37.4 s (0.6 to 197). This correlated positively with the number of procedures performed (r = 0.92, p < 0.001), and with the dose of radiation in both the left (r = 0.85, p = 0.0005) and right TLDs (r = 0.59, p = 0.419). There was no significant difference in the dose of radiation between the two hands (t-test, p = 0.62). The total dose to the right TLD over the 12 months was 2.4 millisieverts.

This is a simple and convenient method for evaluating the exposure of a single surgeon to radiation. The radiation detected was well below the annual dose limit set by the International Commission on Radiological Protection.