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정관문 ( Kwanmoon Jeong ),문찬기 ( Chanki Moon ),남윤영 ( Yunyoung Nam ),이진석 ( Jinseok Lee ) 한국정보처리학회 2015 한국정보처리학회 학술대회논문집 Vol.22 No.1
e-health보드를 이용하여 측정한 생체신호를 실시간으로 블루투스통신을 통한 무선통신을 함으로써 PC와 연결한다. PC에서 송신된 데이터를 텍스트로 저장한 뒤 C#으로 체온, 심전도, 근전도, 피층 전기 반응, 호흡 5가지의 결과 값을 그래프로 보여준다.
A Pilot Study on Hip Bone Mineral Densities Estimation from Forearm CBCT images
( Hoon Ko ),( Chang-Hoon Lee ),( Kwanmoon Jeong ),( Myeung Su Lee ),( Yunyoung Nam ),( Kwon-Ha Yoon ),( Jinseok Lee ) 한국인터넷정보학회 2017 KSII Transactions on Internet and Information Syst Vol.11 No.12
In this paper, we defined the relative cross-sectional area of forearm cortical bone and investigated its correlation with hip bone mineral density values of total femur, femoral neck, femoral trochanter, femoral inter-trochanter and femoral ward’s triangle, respectively. Based on the correlations, we established a linear transformation between the relative cross-sectional area of forearm cortical bone and each hip bone BMD. We obtained forearm images using CBCT and hip bone BMDs using dual-energy X-ray absorptiometry (DXA) for 28 subjects. We also investigated the optimal forearm region to provide the strongest correlation coefficient. We used the optimized forearm region to establish each linear transformation to estimate BMD values for total femur, femoral neck, femoral trochanter, femoral inter-trochanter and femoral ward’s triangle from the relative cross-sectional area of forearm cortical bone, respectively. We observed the strong correlations with total femur (r=0.889), femoral neck (r=0.924), femoral trochanter (r=0.821), femoral inter-trochanter (r=0.867) and femoral ward’s triangle (r=0.895), respectively. The strongest correlation was observed in the forearm mid-shaft regions. Our results suggest that the hip bone BMD values can be simply estimated from forearm CBCT images in a convenient sitting position without X-ray exposure on a hip including genital organs, and may be useful for screening osteoporosis.