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Eye lens dose assessment in interventional cardiology

A. Zagorska, V. Gelev, I. Jeleva, N. Stoyanov, D. Ivanova · Bulgarian Cardiology · 2022

Introduction: Medical professionals performing fluoroscopy guided interventional procedures in cardiology are exposed to a risk of radiation induced cataract, especially if the eye lens dose exceeds the annual dose limit of 20 mSv. Aim: The aim of the current study is to measure the eye lens exposure in three interventional cardiology departments, to analyze the relationship between patient dose and eye lens dose and to study the effectiveness of lead goggles without side protection. Material and methods: Measurements were performed in three departments with participation of 4 interventional cardiologists and 6 nurses. The exposure of the eye lens was measured with EYE-DTM (Radcard) passive dosimeters. Results: For nurses the annual eye lens dose varied from 1.6 mSv to 4.3 mSv. For the interventional cardiologists the results were between 3.2 mSv and 31.4 mSv. The dose reduction factor of the studied safety goggles without side protection is 1 and 1.1. Conclusions: There is a risk of exceeding the annual exposure limit of 20 mSv among interventional cardiologists The eye lens exposure depends on the workload and the clinical complexity of the procedures, as well as on the use of ra

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