Yamamoto N, Watanabe K, Sugiura J, Okada J, Nagae H, Fujimoto Y
Division of Pediatrics, Toyota Memorial Hospital, Aichi, Japan.
Brain Dev. 1990;12(6):766-9. doi: 10.1016/s0387-7604(12)80003-9.
In order to evaluate the influence of extrauterine life on auditory brainstem response in neonates, we performed serial ABR recordings twice a week in 10 preterm infants. A marked decrease of I-III interpeak latency was observed in 7 infants during the first 2 or 3 weeks after birth. Wave I latency also remarkably reduced during this period in 5. These findings were related not to the conceptional age but to the extrauterine age. In 2 infants III-V interpeak latency increased during the first 1 or 2 weeks after birth, and the rate of latency increase seemed to be inversely proportional to that of decrease of I-III interpeak latency.
为了评估宫外生活对新生儿听觉脑干反应的影响，我们对10名早产儿每周进行两次连续的听觉脑干反应记录。在出生后的前2或3周内，7名婴儿的I-III峰间潜伏期显著缩短。在此期间，5名婴儿的波I潜伏期也明显缩短。这些发现与孕龄无关，而与宫外年龄有关。在2名婴儿中，出生后的前1或2周内III-V峰间潜伏期增加，潜伏期增加的速率似乎与I-III峰间潜伏期缩短的速率成反比。
