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題名 | Transcranial Color-Coded Sonography in Normal Chinese Adults and Its Clinical Applications=正常中國成人之彩色即時穿顱超音波檢查及其臨床應用 |
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作者 | 林信光; 劉祥仁; 李石增; 王煇雄; | 書刊名 | 長庚醫學 |
卷期 | 18:3 1995.09[民84.09] |
頁次 | 頁201-208 |
分類號 | 416.13 |
關鍵詞 | 彩色穿顱超音波; 正常中國成人; 臨床應用; Transcranial color-coded sonography; Normal chinese adults; Clinical applications; |
語文 | 英文(English) |
中文摘要 | 彩色即時穿顱音波為近幾年最新發展之非侵襲性神經檢利用高頻率超音波穿透頭顱直接掃描內組經由彩色顯影可觀察到顱內主要血管之分怖與走向,同時以都卜勒偵測血流速度。檢查的部位可由顳部、眼窩、及後大腦窩三個部位。藉由此新技術,我們對一百五十位正常腦血管循環之成人作檢查。左右側之腦血流並無明顯差異。中大腦動脈之平均血流速度最,高而眼動脈則具最低之血流速度與最大之阻抗係數(resistance index)。女性之基底動脈平均流速較男生高。隨著年齡增加,腦血流速度有減慢之趨勢,尤其在中大大腦動脈、前大腦動脈、及基底動脈,呈現有意義之減慢。另舉四異常腦血管病變病人,包括頸動脈海綿靜脈竇廔管,動青脈畸形及心源性腦血,探討其臨床表徵,穿顱超音波及腦血管攝影檢查之比較結果。並針對常見之超音波陷阱(pitfalls)作討論。 |
英文摘要 | We have performed transcranial color-coded sonography to 150 normal adults. Through the temporal, orbital and foraminal windows, by using a 2Mhzpulsed-wave transducer, we were able to directly insonate the brain parenchyma, and to obtain color-coded Doppler vascular imagings and flow velocities of the intracranial basal cerebral arteries. There was no significant difference of blood flow velocities and resistance index between the right and left hemispheres. The mean velocities was highest in the middle cerebral artery and lowest in the ophthalmic artery while which had the highest resistance index. Female had higher mean velocity in basilar artery. The mean velocity, peak systolic velocity, as well as end diastolic velocity decreased significantly with age in middle cerebral artery, anterior cerebral artery and basilar artery. Four illustrative cases with abnormal findings were presented to compare with normal control. Some pitfalls in ultrasonography were also described. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。