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目的:探讨正常人颈动脉(CA)、股动脉(FA)内中膜厚度(IMT)的超声诊断标准。方法:利用高频超声测量236例不同年龄组正常健康者CA、FA的IMT。结果:正常人CA的IMT均值为(0.59±0.12)mm,FA为(0.63±0.15)mm,CA、FA的IMT上限分别为0.83 mm、0.93 mm。年龄≤50岁正常人CA、FA的IMT上限分别为0.7 mm、0.77 mm。年龄>50岁正常人CA、FA的IMT上限分别为0.98 mm、1.07 mm。结论:正常人CA、FA的IMT变化规律表现为随年龄增长而增厚。
Objective: To investigate the diagnostic criteria of carotid artery (CA) and medial thickness (IMT) of femoral artery (FA) in normal people. Methods: The IMT of CA and FA in 236 normal subjects of different ages were measured by high frequency ultrasound. Results: The average IMT of normal CA was (0.59 ± 0.12) mm, FA was (0.63 ± 0.15) mm, and the upper IMT of CA and FA were 0.83 mm and 0.93 mm, respectively. The IMT of upper limit of normal people aged ≤50 years CA and FA were 0.7 mm and 0.77 mm, respectively. The IMT of upper limit of CA and FA of normal people aged> 50 years were 0.98 mm and 1.07 mm, respectively. Conclusion: The changes of IMT in CA and FA of normal people showed thickening with age.