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Local skin and eye lens equivalent odses in interventional neuroradiology
Linköping University, Department of Medical and Health Sciences, Radiation Physics. Linköping University, Faculty of Health Sciences. Linköping University, Center for Medical Image Science and Visualization (CMIV). Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Radiation Physics.ORCID iD: 0000-0003-3352-8330
Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Neurosurgery.
Linköping University, Department of Medicine and Care, Radiation Physics. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Radiation Physics.
2010 (English)In: European Radiology, ISSN 0938-7994, E-ISSN 1432-1084, Vol. 20, no 3, 725-733 p.Article in journal (Refereed) Published
Abstract [en]

Purpose  To assess patient skin and eye lens doses in interventional neuroradiology and to assess both stochastic and deterministic radiation risks. Methods  Kerma–area product (P KA) was recorded and skin doses measured using thermoluminescence dosimeters. Estimated dose at interventional reference point (IRP) was compared with measured absorbed doses. Results  The average and maximum fluoroscopy times were 32 and 189 min for coiling and 40 and 144 min for embolisation. The average and maximum P KA for coiling were 121 and 436 Gy cm2, respectively, and 189 and 677 Gy cm2 for embolisation. The average and maximum values of the measured maximum absorbed skin doses were 0.72 and 3.0 Sv, respectively, for coiling and 0.79 and 2.1 Sv for embolisation. Two out of the 52 patients received skin doses in excess of 2 Sv. The average and maximum doses to the eye lens (left eye) were 51 and 515 mSv (coiling) and 71 and 289 mSv (embolisation). Conclusion  The ratio between the measured dose and the dose at the IRP was 0.44 ± 0.18 mSv/mGy indicating that the dose displayed by the x-ray unit overestimates the maximum skin dose but is still a valuable indication of the dose. The risk of inducing skin erythema and lens cataract during our hospital procedures is therefore small.

Place, publisher, year, edition, pages
2010. Vol. 20, no 3, 725-733 p.
Keyword [en]
Interventional neuroradiology - Skin dose - Eye lens dose - Cerebral aneurysm - Cerebral arteriovenous malformation - Acute skin exposure
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Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-20948DOI: 10.1007/s00330-009-1598-9ISI: 000274544800024OAI: oai:DiVA.org:liu-20948DiVA: diva2:236873
Note

The original publication is available at www.springerlink.com: Michael Sandborg, Sandro Rossitti and Håkan Pettersson, Local skin and eye lens equivalent doses in interventional neuroradiology, 2010, European Radiology, (20), 3, 725-733. http://dx.doi.org/10.1007/s00330-009-1598-9 Copyright: Springer Science Business Media http://www.springerlink.com/

Available from: 2009-09-25 Created: 2009-09-25 Last updated: 2017-12-13

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Sandborg, MichaelRossitti, SandroPettersson, Håkan

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Radiation PhysicsFaculty of Health SciencesCenter for Medical Image Science and Visualization (CMIV)Department of Radiation PhysicsDepartment of Clinical and Experimental MedicineDepartment of NeurosurgeryRadiation Physics
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