Welch R A, Bottoms S F
Obstet Gynecol. 1986 Jul;68(1):29-34.
The relationship between fetal head compression and the occurrence of intraventricular hemorrhage was examined in 101 very-low-birth-weight (500 to 1500 g) vertex neonates. Peripartum events related to head compression, including parity, rupture of membranes, labor, episiotomy, use of forceps, and cesarean birth were not significantly related to intraventricular hemorrhage. A birth weight of less than 1250 g, neonatal depression (one minute Apgar score less than 7), respiratory distress syndrome, and neonatal mortality were significantly associated with intraventricular hemorrhage (P less than .05). These findings suggest that head compression in the vertex very-low-birth-weight fetus, as encountered in current obstetric practice, is not a major determinant of intraventricular hemorrhage. When premature delivery is inevitable, focusing on efforts to avoid a depressed one-minute Apgar score appears to be a more promising approach for the prevention of intraventricular hemorrhage than routinely using cesarean birth.
在101例极低出生体重(500至1500克)头位新生儿中,研究了胎儿头部受压与脑室内出血发生之间的关系。与头部受压相关的围产期事件,包括产次、胎膜破裂、分娩、会阴切开术、产钳使用和剖宫产,与脑室内出血无显著相关性。出生体重低于1250克、新生儿窒息(1分钟阿氏评分低于7分)、呼吸窘迫综合征和新生儿死亡率与脑室内出血显著相关(P<0.05)。这些发现表明,在当前产科实践中遇到的极低出生体重头位胎儿的头部受压,并非脑室内出血的主要决定因素。当早产不可避免时,致力于避免1分钟阿氏评分过低似乎是预防脑室内出血比常规剖宫产更有前景的方法。