“植物人”,医学上称“持续性植物状态”(以下简称PVS),是当今社会备受关注的特殊群体。关爱PVS病人不仅仅是医护问题,也涉及到社会福利、社会保障和社会伦理问题。 “持续植物状态”是人体受到某种严重伤害后,引起大脑皮质和相关部位细胞难以逆转的损伤,处于失去记忆,没有思维意识,没有情感交流,没有语言对话的一种状态。PVS病人有以下特点:1.认知功能丧失,无意识活动,不能执行指令,处于“视而不见、听而不闻、熟视无睹”的境地。2.血压、脉搏、呼吸、体温可以平稳,可有正常的咳嗽、吞咽反射,有消化、吸收、排便、出汗等功能。3.像正常人一样,有睡眠-醒觉的周期活动,该睡时睡该醒时醒。4.不能理解和表达语言,没有喜怒哀乐,整天傻乎乎 “Vegetative” and medically called “persistent vegetative state” (hereinafter referred to as PVS) are special groups that have drawn much attention in the society today. Caring for patients with PVS is not just a matter of health care, but also of social welfare, social security and social ethics. “Persistent plant state” is a kind of damage that the human body can not be reversed after being seriously injured, causing the cells in the cerebral cortex and related parts to be reversed. It is in a state of losing memory, thinking without thinking, having no emotional exchange, and no language dialogue. PVS patients have the following characteristics: 1. loss of cognitive function, unconscious activity, can not execute instructions, in a “turn a blind eye, hear but not smell, turn a blind eye” situation. 2. Blood pressure, pulse, breathing, body temperature can be stable, may have a normal cough, swallowing reflex, digestion, absorption, defecation, sweating and other functions. 3. Like normal people, there is sleep-wake cycle activities, which sleep when awake awake. 4 can not understand and express language, no emotions, silly all day long