[논문]새로운 발 사방향 검사법의 유용성에 관한 연구

김민석; 주영철; 이승근

doi:10.17946/jrst.2021.44.5.443

새로운 발 사방향 검사법의 유용성에 관한 연구
A Study on the Usefulness of the New Foot Oblique Projection 원문보기

방사선기술과학 = Journal of radiological science and technology, v.44 no.5, 2021년, pp.443 - 449

김민석 (삼성서울병원 영상의학과) , 주영철 (삼성서울병원 영상의학과) , 이승근 (삼성서울병원 영상의학과)

Abstract ▼ AI-Helper

In this study, the purpose is to present the foot inclination angle for realizing an image similar to that of the existing examination method and to present the clinical usefulness of the new examination method through comparison between the existing examination method and the newly designed standing foot oblique projection. A foot phantom was used, and the magnification of the image according to the angle was quantitatively evaluated by attaching a nut to the position of the cuboid of the phantom. The internal oblique image acquired using a 30° wedge was set as the standard image. And that image was compared with the images acquired by changing the angle of the foot from 20° to 65° at intervals of 5°. Image evaluation was performed by 3 radiological technologists, and qualitative evaluation using a Likert 5-point scale for evaluation items of true oblique view and quantitative evaluation of the value obtained by measuring the diameter of a nut in each image were performed as image evaluation. For data analysis, reliability analysis between the measure and comparative analysis of the average value for each angle were performed. The qualitative evaluation score for each image was 4.5 to 5 points for most questions in the case of the standard image. And 4 points or less for most questions in the images with a foot angle of 45° or less, and an evaluation score close to the standard image was obtained in the image of 50° or more. And in the quantitative evaluation, the diameter of the nut was measured to be 9.28~9.56 mm. The qualitative evaluation showed a reliability of 0.95~1.0 and the quantitative evaluation was 0.62. As a result of comparing and analyzing the average of the quantitative and qualitative average values for each angle image, the group with the average value most similar to the standard image was images obtained at 55° and 60°, and in the post-analysis, the images of both groups were the same group as the standard image(p<0.01). As a result of this study, it was found that the angle of inclination of the foot for realizing the image most similar to the existing image in the standing foot oblique projection is 55°~60°. In addition, if this test method is applied to the clinic, it is believed that it will help prevent safety accidents such as falls during the test and improve test efficiency by minimizing the movement of patients for the test.

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참고문헌 (16)

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새로운 발 사방향 검사법의 유용성에 관한 연구
A Study on the Usefulness of the New Foot Oblique Projection 원문보기

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새로운 발 사방향 검사법의 유용성에 관한 연구 A Study on the Usefulness of the New Foot Oblique Projection 원문보기

Abstract ▼ AI-Helper

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새로운 발 사방향 검사법의 유용성에 관한 연구
A Study on the Usefulness of the New Foot Oblique Projection 원문보기