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Related Experiment Video

Updated: Jul 2, 2026

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
13:48

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Published on: April 21, 2023

Radiation exposure during endovascular procedures.

Gregory P Lekovic1, Louis J Kim, L Fernando Gonzalez

  • 1Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.

Neurosurgery
|September 9, 2008
PubMed
Summary
This summary is machine-generated.

Radiation exposure during endovascular procedures can be significant. Surface doses correlate with fluoroscopy time and may increase long-term risks for brain tumors.

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Area of Science:

  • Neurosurgery
  • Radiology
  • Radiation Oncology

Background:

  • Fluoroscopy time is recorded in endovascular procedures.
  • Relating exposure duration to surface and intracranial radiation doses is crucial.

Purpose of the Study:

  • To compare surface radiation doses during endovascular procedures with intracranial doses using a cadaver model.
  • To assess the correlation between fluoroscopy time and surface radiation dose.

Main Methods:

  • Optically stimulated luminescence dosimeter chips were used to measure cranial surface doses in three patients.
  • A cadaver model with craniotomies was exposed to lateral fluoroscopy with dosimeter chips placed on skin and meningeal surfaces.
  • Operative notes of 100 patients were reviewed to determine mean fluoroscopy times.

Main Results:

  • Peak surface doses in patients ranged from 0.24 to 1.38 Gy.
  • In the cadaver model, a 120-minute exposure resulted in a peak surface dose of 1.71 Gy.
  • Fluoroscopy time strongly correlated with surface dose (R² = 0.925), with cranium and scalp absorbing 29% of the dose.

Conclusions:

  • Radiation exposure during endovascular treatment can reach clinically significant levels.
  • Recorded surface doses are comparable to levels associated with increased risk of meningiomas, gliomas, and nerve sheath tumors.
  • Informed consent for potential long-term radiation sequelae may be necessary for patients undergoing these procedures.