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随着极低体重儿(<1000g)和低体重儿(<1500g)的新生儿死亡率的降低,这类患儿进行全麻及手术的数量则相应增加。但是,全麻后这些未成熟儿比足月婴儿更易发生长时间呼吸暂停。导致呼吸暂停的因素很多,例如:生命年龄(postconceptional age)小于44～46周,出生后年龄和长时间呼吸暂停发生史,手术时体重及同时患有的其它疾病等。但因有些患儿在手术室即
With a decrease in neonatal mortality in very low birth weight children (<1000g) and low birth weight children (<1500g), the number of general anesthesia and surgeries in these children has increased correspondingly. However, these immature children are more likely to have prolonged apnea than full-term infants after general anesthesia. There are many factors that lead to apnea. For example, the postconceptional age is less than 44 to 46 weeks, the age at birth and the history of prolonged apnea, body weight at surgery, and other concurrent diseases. However, some children in the operating room that is