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持续性植物状态（Persistentvegetativestate，PVS）又称植物生存。这一命名是由Jennett和Plum于1972年首先提出的[1]，当时主要用于严重颅脑损伤的病人。美国MultiSocietyTaskForceofPVS于1994年提出的PVS定义是：“患者完全失去对自身及周围环境的认知，有睡眠一醒觉周期，丘
Persistent vegetative state (PVS), also known as plant survival. This nomenclature was first proposed by Jennett and Plum in 1972 [1] and was mainly used in patients with severe brain injury. The United States MultiSocietyTaskForceofPVS PVS in 1994 proposed the definition is: "patients completely lost their awareness of the environment and their own, a sleep a wake cycle, mound