The increase of diameter of main artery root and pulse pressure reflected the decrease of main artery dilatation, therefore LVH and the decrease of main artery dilatation were mutuality.

• 因此，主动脉根部内径扩大同脉压增大一样反映了大动脉扩张性降低，说明左心室肥厚与大动脉扩张性降低密切相关。