Effect of ultrasound on regional cerebral blood flow in neonatal rats.
作者： L.F. Muscarella , U. Vasthare , R.F. Tuma , V. Abraham , M.C. Ziskin
DOI: 10.1016/0301-5629(91)90084-A
关键词:
摘要: By employing a laser-Doppler flowmeter, an investigation was performed to determine whether ultrasound causes change in regional cerebral blood flow (rCBF). rCBF neonatal rats (age: 2-6 days postgestation) measured before, during, and after exposure of both hemispheres continuous-wave (1.0 MHz) at intensity 2.0 W/cm2 (SATA) for period 5 min. After 3 min treatment, there statistically significant augmentation (p less than 0.05) with increasing by factor 2.7 +/- 0.4 (mean SEM) ultrasound. This response demonstrated be transient effect, because returned its original value 4-6 termination the treatment.
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