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KMID : 1149020190210010037
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Journal of Korean Society of Computed Tomographic Technology
2019 Volume.21 No. 1 p.37 ~ p.43
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Secure Patient Safety and Improve Exposure Defense during Mobile CT Examination for Device Development
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Bae Sung-Keun
Lee Sung-Yeong
Lee Jae-Min
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Abstract
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Purpose: The mobile CT by using brain examination is to improve patient safety and image quality by developing a device development that can assist from posture and falling risk during unconscious and unstable patients. The purpose of this study is application by self-production assistive device to evaluate convenience and usefulness of.
Materials & Methods: CereTomTM NL-3000 (Neurologica, Danvers, MA, USA) was used as an 8 channel mobile device for brain only, A total of 100 patients (60 males and 40 females) were enrolled in this study to evaluate the number of repeated shots, changes in procedure time and dose rate. the qualitative evaluation by the application of assistive device to the neurosurgeon, Radiogical technologist and nurse were evaluated as the 5 - point scale item.
Results: Brain CT and head angiography (perfusion) as the number of repeated shot was decreased by 8.3% and 8.0%, respectively. scan time was decreased by 70% and 60%, respectively. dose comparison was decreased by 33.3% and 40%, respectively.The qualitative evaluation was 4.62 for accuracy, 4.55 for efficiency, 4.68 for satisfaction, and 4.55 for convenience. The average was 4.60.
Conclusions: The purpose of this study is to protect patients from falling during mobile CT scan during unconscious condition, and to assist in correcting patient position and improving image quality by self-production assistive device development. As shown in the above results, safety was ensured in unstable patient test when applied, and efficiency, satisfaction, and convenience were evaluated to be high as in the satisfaction survey results. Therefore, it can be seen that the application of assistive devices can be very helpful for unconscious patient examination.
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KEYWORD
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Device, Dose, Improve picture quality, Patient safety
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