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StemRad MD, An Exoskeleton-Based Radiation Protection System, Reduces Ergonomic Posture Risk Based on a Prospective

Maria Katsarou^1,2, Bruce Zwiebel³, James Vogler³

¹Houston Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, Texas, USA.

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists

|March 21, 2023

Summary

This summary is machine-generated.

The StemRad MD radiation protection system significantly reduces ergonomic posture risk to the torso compared to traditional lead aprons. This innovative system may decrease physical discomfort for healthcare professionals during interventional procedures.

Keywords:

angiography digital subtraction angiography endovascular treatment/therapy fluoroscopy imaging radiation dose/exposure safety

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Area of Science:

Medical Engineering
Occupational Health
Radiology

Background:

Poor ergonomic posture during interventional procedures increases the risk of musculoskeletal disorders.
Traditional lead aprons (LAs) can exacerbate ergonomic posture risk (EPR).

Purpose of the Study:

To evaluate the effectiveness of the StemRad MD, a weightless exoskeleton-based radiation protective ensemble, in reducing EPR.
To compare the EPR associated with StemRad MD versus LAs using wearable inertial measurement unit (IMU) sensors.

Main Methods:

A prospective, observational study involving 9 interventionalists at an academic hospital.
IMU sensors were used to assess ergonomic risk posture during endovascular procedures with either LAs or StemRad MD.
Data on fluoroscopy time, procedure type, and EPR were recorded and analyzed.

Main Results:

Operators using StemRad MD assumed low-risk ergonomic positions in 96.1% of cases, compared to 62.9% with LAs (p=.001).
The mean EPR score was significantly lower with StemRad MD (1.16) than with LAs (1.49) (p=.001).
No high-risk ergonomic positions were observed with StemRad MD, versus 6.2% with LAs (p=.80).

Conclusions:

StemRad MD significantly reduces EPR to the torso compared to LA-based radiation protection.
This reduction in EPR may lead to decreased physical discomfort for specialists performing procedures.