It can be measured but the evidence of its prognostic importance and particularly how effectively it can be improved by 这种舒张功能不全确实是可以测量的，但它对患者预后的预示价值尤其是通过治疗它究竟能够改善多少这方面的证据还很有限，而左室肥大在这方面是由充足的证据的。