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South African Journal of Surgery

versión On-line ISSN 2078-5151

Resumen

VAN DER MERWE, B.. Radiation dose to surgeons in theatre. S. Afr. j. surg. [online]. 2012, vol.50, n.2, pp. 26-29. ISSN 2078-5151.

OBJECTIVES: To evaluate the effects of ionising radiation and radiation limits, and measure radiation doses received by surgeons in theatre. DESIGN: Thermoluminescent dosimeter measurements of accumulated dose to specific anatomical regions of a neurosurgeon, gastroenterologist and orthopaedic surgeon performing fluoroscopy on 39 patients undergoing treatment for back pain, 7 for endoscopic retrograde cholangiopancreatography procedures, and 48 for orthopaedic operations respectively. RESULTS: Radiation dose levels with the X-ray tube above the table during back pain procedures exceeded the occupational annual recommendation to the neurosurgeon's hands. The protocol regarding the orientation of the C-arm was changed. Convincing evidence of the importance and effectiveness of lead shielding was recorded. CONCLUSIONS: Constant revision of protocols should apply the as-low-as-reasonably-achievable principle in every unique setting. The ideal is to position the image intensifier above the theatre table. The longest possible distance from the source will lower radiation risk. Full-body protection of 0.35 mm lead equivalence during fluoroscopy is mandatory.

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