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인체 요골동맥과 경동맥의 혈액에코박동지수: 나이 및 뇌졸중과의 관계

Pulsatility Index of Blood Echogenicity of the Human Radial and Common Carotid Arteries: Relation with Age and Stroke

  • 복태훈 (제주대학교 해양시스템공학과) ;
  • 콩치 (제주대학교 해양시스템공학과) ;
  • 남권호 (제주대학교 해양시스템공학과) ;
  • 최재철 (제주대학교병원 신경과) ;
  • 팽동국 (제주대학교 해양시스템공학과)
  • Bok, Tae-Hoon (Department of Ocean System Engineering, Jeju National University) ;
  • Kong, Qi (Department of Ocean System Engineering, Jeju National University) ;
  • Nam, Kweon-Ho (Department of Ocean System Engineering, Jeju National University) ;
  • Choi, Jay Chol ;
  • Paeng, Dong-Guk (Department of Ocean System Engineering, Jeju National University)
  • 투고 : 2012.09.03
  • 심사 : 2012.10.12
  • 발행 : 2012.10.30

초록

본 논문에서는, 두 나이군의 인체 요골동맥과 경동맥에서 초음파 혈액 영상을 측정하여 혈액에코박동지수를 분석했고, 또한 뇌졸중 환자와 대조군의 요골동맥과 경동맥에서 초음파 혈액 영상을 측정하여 혈액에코박동지수를 비교했다. 요골동맥의 혈액에코박동지수는 젊은 세대와 나이 많은 세대가 각각 $0.13{\pm}0.11$, $0.16{\pm}0.03$로 유사한 반면, 경동맥에서는 각각 $0.70{\pm}0.21$, $0.32{\pm}0.01$로 젊은 세대에서 더 높게 나타났고, 피험자 별로 더 높은 분산을 보였다. 뇌졸중 환자와 대조군의 혈액에코박동지수는 요골동맥($0.22{\pm}0.02$, $0.16{\pm}0.03$)과 경동맥($0.35{\pm}0.02$, $0.32{\pm}0.01$) 모두 환자군에서 더 높게 나타났다. 이와 유사하게, 섬유소원 농도 역시 요골동맥과 경동맥 모두 대조군($264{\pm}38$, $257{\pm}43mg/dl$)보다 환자군($336{\pm}61$, $340{\pm}126mg/dl$)에서 더 높게 나타났다. 본 연구의 결과는 향후 적혈구 응집과 뇌졸중의 상관성에 대한 초음파 연구의 가능성을 제시하고 있으며, 적혈구 응집의 생체 내 측정은 임상학적으로 유용하게 활용될 수 있을 것으로 기대된다.

In the present paper, the ultrasound blood images were measured at both the human radial artery(RA) and common carotid artery(CCA), depending on the age, and the pulsatility index of blood echogenicity(PIBE) was analyzed. In addition, the ultrasound blood images were measured at both RA and CCA of both the stroke patients and the control group, and PIBE was compared. PIBE of RA for the young group was similar with that for the old group ($0.13{\pm}0.11$ and $0.16{\pm}0.03$). PIBE of CCA for the young group, however, was larger than that for the old group ($0.70{\pm}0.21$ and $0.32{\pm}0.01$), and was more variable depending on the subject. Similarly, the fibrinogen concentrations of the patients ($336{\pm}61$ and $340{\pm}126mg/dl$) were more than that of the control group ($264{\pm}38$ and $257{\pm}43mg/dl$), for both RA and CCA. The results indicate the possibility of the ultrasonic test on the correlation between erythrocyte aggregation and stroke, and it is expected that the in-vivo EA measurement would be clinically useful.

키워드

참고문헌

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