Grögaard J B, Stahlman M T, Cotton R B, Coulam C M
Acta Paediatr Scand. 1982 May;71(3):375-8. doi: 10.1111/j.1651-2227.1982.tb09437.x.
Transcephalic impedance was measured serially in 45 preterm infants less than 1500 g birth weight in order to test the method for the early detection of intraventricular hemorrhage. TCZ increased in all seventeen (38%) infants who developed IVH diagnosed by CT-scan or autopsy. Five of 8 infants monitored 4-8 weeks following confirmed IVH developed hydrocephalus documented by repeat CT-scans; all 5 were discovered early by the TCZ-method 2-3 weeks before physical findings or an increasing head circumference indicated the possibility of hydrocephalus. TCZ appears to be a useful non-invasive clinical guide to the occurrence and course of IVH in the newborn.
对45名出生体重低于1500克的早产儿进行了连续经颅阻抗测量，以测试早期检测脑室内出血的方法。在所有17名（38%）经CT扫描或尸检诊断为发生脑室内出血的婴儿中，经颅阻抗均升高。在确诊脑室内出血后接受4至8周监测的8名婴儿中，有5名经重复CT扫描证实发生了脑积水；所有5名婴儿在体格检查或头围增加表明可能发生脑积水之前2至3周，通过经颅阻抗方法被早期发现。经颅阻抗似乎是一种有用的非侵入性临床指标，可用于指导新生儿脑室内出血的发生和病程。
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