CAJ | 학술논문

目的：观察不同水平层面正常腹主动脉的时间-流量、时间-流速曲线特征，探讨血流动力学因素在腹主动脉疾病发生、发展中的作用。方法对60例正常志愿者 T12/L1~L4/L5椎间盘水平层面的腹主动脉进行 PC-MRI 法扫描，并生成时间-流速、时间-流量曲线，观察不同水平层面腹主动脉的血流曲线特征。结果正常腹主动脉不同层面的时间-流量、时间-流速曲线呈2相(无舒张期反流)和3相(有舒张期反流)表现。结论不同水平层面腹主动脉的血流曲线特征不同。
목적：관찰불동수평층면정상복주동맥적시간-류량、시간-류속곡선특정，탐토혈류동역학인소재복주동맥질병발생、발전중적작용。방법대60례정상지원자 T12/L1~L4/L5추간반수평층면적복주동맥진행 PC-MRI 법소묘，병생성시간-류속、시간-류량곡선，관찰불동수평층면복주동맥적혈류곡선특정。결과정상복주동맥불동층면적시간-류량、시간-류속곡선정2상(무서장기반류)화3상(유서장기반류)표현。결론불동수평층면복주동맥적혈류곡선특정불동。
Objective To observe the characteristics of different level of normal abdominal aorta’s time-flow,time-velocity curve and to investigate the hemodynamic factors in role of the occurrence and development of abdominal aorta’s disease.Methods PC-MRI scanning was performed on 60 normal volunteers T12/L1-L4/5 disc at the level of abdominal aorta,time-flow and time-veloci-ty curve were generated respectively.The characteristics of blood flow curves at different levels of abdominal aorta were observed. Results The time-flow,time-velocity curve of the normal abdominal aorta in different levels have 2nd phase (no diastolic reflux) and 3rd phase (diastolic reflux).Conclusion The characteristics of blood flow curves of different levels of abdominal aorta are dif-ferent.