European journal of radiology · 2026
Ocular radiation protection efficiency and ergonomic performance of a novel Shoulder-Mounted radiation shield for interventional procedures.
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Qian Hai, Gao Yiyuan, Xu Yan, Hu Dexing, Zhu Ming, Zhong Liang, Lou Kenan
Аннотация
PURPOSE: The importance of ocular radiation protection for interventionalists is increasingly recognized. This study compares ocular radiation protection efficiency and ergonomic performance of a novel shoulder-mounted radiation shield with those of a conventional head-mounted shield, aiming to provide a new and optimized ocular radiation protection solution for interventional procedures.
METHODS: In this phantom study, the simulated operator's ocular doses were measured under various radiation protection configurations during coronary angiography. Head load was measured using a pressure transducer, and finite element analysis simulated cervical intervertebral disc stress. A user survey assessed wearing comfort and operational flexibility of the two shields.
RESULTS: Compared to no shielding, the novel shoulder-mounted shield combined with the ancillary shields achieved an average ocular dose reduction of 94.2%, surpassing the average reduction of 90.4% attained by the conventional head-mounted shield combined with the ancillary shields (both p < 0.01). Compared to the head-mounted shield, the shoulder-mounted shield effectively reduced the load on the head and cervical intervertebral discs, decreasing the stresses in the cervical intervertebral discs by up to 51.0% in the horizontal view and by up to 24.1% in the 45° downward view. The user survey indicated the shoulder-mounted shield provided better wearing comfort than the head-mounted shield (p < 0.001) with comparable operational flexibility (p = 0.301).
CONCLUSIONS: The novel shoulder-mounted shield could provide better ocular radiation protection efficiency and ergonomic performance compared to the conventional head-mounted shield. This study presents a new and optimized ocular radiation protection solution for interventional procedures that effectively balances radiation safety and wearing comfort.
METHODS: In this phantom study, the simulated operator's ocular doses were measured under various radiation protection configurations during coronary angiography. Head load was measured using a pressure transducer, and finite element analysis simulated cervical intervertebral disc stress. A user survey assessed wearing comfort and operational flexibility of the two shields.
RESULTS: Compared to no shielding, the novel shoulder-mounted shield combined with the ancillary shields achieved an average ocular dose reduction of 94.2%, surpassing the average reduction of 90.4% attained by the conventional head-mounted shield combined with the ancillary shields (both p < 0.01). Compared to the head-mounted shield, the shoulder-mounted shield effectively reduced the load on the head and cervical intervertebral discs, decreasing the stresses in the cervical intervertebral discs by up to 51.0% in the horizontal view and by up to 24.1% in the 45° downward view. The user survey indicated the shoulder-mounted shield provided better wearing comfort than the head-mounted shield (p < 0.001) with comparable operational flexibility (p = 0.301).
CONCLUSIONS: The novel shoulder-mounted shield could provide better ocular radiation protection efficiency and ergonomic performance compared to the conventional head-mounted shield. This study presents a new and optimized ocular radiation protection solution for interventional procedures that effectively balances radiation safety and wearing comfort.