Determinants of Augmentation Index in the Elderly / 中华高血压杂志

ABSTRACT

Objective The Augmentation index(AI)is an indicator of pulse wave reflections.To under- stand the validity of AI in the elderly,we studied the determinants of AI in an elderly population.Methods All subjects older than 70 years living in Zhaoxiang Town,Qingpu District,Shanghai were recruited.Pulse wave a- nalysis at the left radial artery was performed by using Omron HEMg000AI device.The augmentation index (AI)adjusting for a heart rate of 75 beats/min was used for statistical analysis.Results One thousand two hun- dred eighty-six participants included 761(59 %)women,and 815(63 %)hypertensive patients with average age 76.3 years participate the study.Women had a significant higher AI than men(90.3% versus 85.8%,P