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방사선치료 시 체질량지수와 직장암 환자의 자세 오차 분석
심재구(Jae-Goo Shim),정홍량(Hong-Ryang Jung),서정민(Jung-Min Seo),박병석(Byong-Suk Park),장준영(Joon-Young Jang),임청환(Cheong-Hwan Lim) 한국콘텐츠학회 2013 한국콘텐츠학회논문지 Vol.13 No.10
직장암 환자 방사선 치료 시 체질량지수와 belly board 사용 유?무에 따른 자세 오차 연구를 위해 2012년 1월부터 2013년 3월까지 114명을 대상으로 후향적 연구를 실시하였다. 환자의 평균 나이는 58세(29-83세), 평균 체질량 지수는 23.35 kg/m2(16.55-31.15kg/m2), belly board를 사용한 환자는 31명, 사용하지 않은 환자는 83명이었으며, 치료 확인 촬영 영상 AP&LAT(전, 후측) 총 527장의 X, Y, Z축에 대한 각각의 평균 및 표준 편차는 1.66±1.55mm, 1.64±1.56mm, 1.99±1.75mm의 값으로 나타났다. 체질량지수 24이상을 기준으로 하였을 경우 24미만일 경우보다 Z축에서 2mm이상의 오차 발생 위험도가 4.8배 높게 나타났고 (p<0.001), belly board를 사용하지 않은 경우 체질량 지수가 24이상인 경우 Z축에서 2mm이상의 오차 발생 위험도가 3.6배 높게 나타났다(p<0.011). 직장암 환자의 방사선 치료 시 장루를 착용한 경우에만 Belly Board사용 뿐 만 아니라 체질량 지수가 높은 환자에게도 적용한다면 자세 오차를 줄이는데 효과적일 것이라 사료된다. To study the positioning error according to the use of belly board and body mass index (BMI) for rectal cancer radiotherapy, a retrospective study was conducted on 114 patients from January 2012 to March 2013. The median age of the patients was 58 (29-83 years), mean BMI was 23.35 kg/m2 (16.55-31.15kg/m2), 31 patients used belly board and 83 did not use belly board. There were a total of 527 AP & LAT images of treatment (EPID), and the mean and standard deviation of each X, Y, Z axis were 1.66±1.55mm, 1.64±1.56mm, and 1.99±1.75mm, respectively. Based on the BMI of 24 or higher, error occurrence risk of higher or equal to 2mm on Z axis was 4.8 times higher compared to BMI of 24 or lower (p<0.001), and when BMI was 24 or higher in case the belly board was not used, the error occurrence risk of higher or equal to 2mm on the z-axis was 3.6 times higher (p<0.011). Radiation therapy for rectal cancer patients, using Belly Board for both the ones wearing fistula and with high BMI may be effective in decreasing the positioning errors.
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朴丙錫 경북대학교 사회과학연구소 1989 社會科學硏究 Vol.5 No.-
The purpose of this study is to validate the kelly's personal construct theory through experimental demonstration of changing high school student's personal construct by applying kelly's fixed role enactment. Previous studies have shown that fixed role enactment s effective method to change human behavior. Based on the previous studies, the study attempted to demonstrate the change of high school students' behavior characteristics through the fixed role enactment. In the study, it was hypothesi-zed that the group treated with fixed role enactment would show more change than the group without fixed role enactment. The result of the experiment have shown that fixed role enactment can change high school students' personal constructs on the dimension of interpersonal perception and the number of the identical constructs. As to the complexity dimention, there was no statistically significant difference between two groups. This result could be attributed to the slower change of the structure of construct systems than the contents of construct systems. In order to generalize these results to the whole normal group, further studies are needed.
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