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Clinical diagnostic reference levels in neuroradiology based on clinical indication

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journal contribution
submitted on 2024-05-16, 08:38 and posted on 2024-05-16, 08:39 authored by Antar Aly, Virginia Tsapaki, Ayman Zakaria Ahmed, Ahmed Own, Satya Patro, Huda Al Naemi, Mohammad Hassan Kharita

This study focuses on patient radiation exposure in interventional neuroradiology (INR) procedures, a field that has advanced significantly since its inception in the 1980s. INR employs minimally invasive techniques to treat complex cerebrovascular diseases in the head, neck, and spine. The study establishes diagnostic reference levels (DRLs) for three clinical indications (CIs): stroke (S), brain aneurysms (ANs), and brain arteriovenous malformation (AVM). Data from 209 adult patients were analyzed, and DRLs were determined in terms of various dosimetric and technical quantities. For stroke, the established DRLs median values were found to be 78 Gy cm2, 378 mGy, 118 mGy, 12 min, 442 images, and 15 runs. Similarly, DRLs for brain AN are 85 Gy cm2, 611 mGy, 95.5 mGy, 19.5, 717 images, and 26 runs. For brain AVM, the DRL’s are 180 Gy cm2, 1144 mGy, 537 mGy, 36 min, 1375 images, and 31 runs. Notably, this study is unique in reporting DRLs for specific CIs within INR procedures, providing valuable insights for optimizing patient safety and radiation exposure management.

Other Information

Published in: Radiation Protection Dosimetry
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Open Access funding provided by the Qatar National Library.



  • English


Oxford University Press

Publication Year

  • 2024

License statement

This Item is licensed under the Creative Commons Attribution 4.0 International License.

Institution affiliated with

  • Hamad Medical Corporation
  • Weill Cornell Medicine - Qatar