Research summary, original research, 2026

A Study of Radiation Exposure and the Effects of Real-time Dosimetry System on Staff Safety in Neurointerventional Procedures

Upamai W, Senkhaw A. AJNR. American journal of neuroradiology. 2026

Read the original paper

In plain language

At one Thai neurointerventional center, introducing real-time personal dosimeters was followed by a 79% drop in interventional neuroradiologists' recorded dose and better reported protective habits among the fluoroscopy team; this before-after design cannot prove cause.

At a glance

Type of study
Original research, Prospective cohort study
Who was studied
Interventional radiologists, Nurses, Radiologic technologists, Patients
Size
n = 26 medical personnel
Where
Thailand
Summary based on
the abstract

What it found

  • Interventional neuroradiologists' Hp(10) dose fell by about 79% after real-time dosimeters were introduced.

    Key figures: 1.628 mSv (2023) to 0.335 mSv (2024); 79.4% reduction; P = .01

  • Skin and eye-lens dose equivalents decreased more modestly.

    Key figures: Hp(0.07) -15.7%; Hp(3) -16.1%; P = .01

  • Staff awareness of radiation dose levels doubled with real-time monitoring, and protective equipment use and positioning improved.

    Key figures: 42.9% to 85.7%

  • Patient doses in cerebral angiograms were below Thai national standards.

    Key figures: median dose-area product (DAP) 32.25 Gy·cm2; air kerma 129.19 mGy; mean fluoroscopy time 2.7 minutes

Limits to keep in mind

Single-center before-after comparison with a small staff sample (26) and partly retrospective data, so changes in caseload or other practices over time could explain part of the reduction; behavior outcomes appear self-reported.

How this summary was made

ORSIF prepared this summary with AI assistance from the abstract of the paper. A program then checked that the passage supporting each finding appears word for word in that source. A person has not yet reviewed each summary, so read the original before relying on a number. ORSIF summarizes research and does not endorse any product or company. Report a problem with this summary.

Prepared November 3, 2026.