围生期脑损伤是影响新生儿生后生命质量最重要的因素。随产科和新生儿重症监护治疗技术的发展 ,更多的极低出生体重儿和超低出生体重儿获得了存活 ,但随之而来这些患儿脑损伤的问题就愈发显得举足轻重。有的学者认为 ,新生儿医生的最终任务就是减少脑损伤所致的伤残。　　早产 Perinatal brain injury is the most important factor affecting the quality of life after birth. With the development of obstetric and neonatal intensive care, more and more babies with very low birth weight and very low birth weight have survived, but the consequent brain injuries in these children have become even more significant. Some scholars believe that the ultimate task of neonatal doctors is to reduce the damage caused by brain injury. Premature delivery