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頁籤選單縮合
題名 | Multimodal Approach of Cranial Ultrasound in Children=多層面操作超音波於兒童腦部檢查 |
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作者姓名(中文) | 王煇雄; 郭夢菲; | 書刊名 | 長庚醫學 |
卷期 | 22:1 1999.03[民88.03] |
頁次 | 頁1-10 |
分類號 | 417.581 |
關鍵詞 | 兒童神經超音波; 杜卜勒; 穿顱彩色杜卜勒; 腦部超音波; Cranial ultrasound; Doppler; Pediatric neurosonology; Transcranial color doppler; |
語文 | 英文(English) |
中文摘要 | 在中樞神經系統的影像檢查上,超音波一直不如電腦斷層和磁共表受到普遍的讚 許;除了新生兒 -- 尤其是早產兒的加護照顧上,受限於早產兒不能冒險送出保溫箱及離開 許多支持生命的軟硬體之關係,而且他們具備前囪門這個最理想的天然超音波音窗,因此新 生兒腦部超音波的臨床價值早已受到肯定。事實上,隨著超音波科技的進步,腦部超音波運 用在新生兒以後還具前囪門的嬰兒,以及囪門已經關閉的大小孩,也已經有了許多的突破: 可變頻的超音波探頭, 彌補了大嬰兒腦部較大因而遠處結構不易為 7 MHz 超音波探及的短 處,隨手可調變為 6 或 5 MHz 而得到清楚的遠部影像。穿顱杜卜勒超音波原先是為了檢視 成人腦底大動脈的血流速度,在小孩頭骨較薄的先決條件下,同時也可得到腦本身的影像。 持續作穿顱杜卜勒超音波可即時測知中大腦動脈的血流速度,便於神經重症加護的應變處置 。強度杜卜勒及超音波對此劑各自均可加強杜卜勒信號的接收,二者同時使用可得到更好的 效果。神經外科的應用上,開刀中可藉助超音波導引,開刀後頭骨有了鑽孔或缺口更方便超 音波追�j檢查。總之,多方面使用現代超音波的所有新配備,在兒童腦部的診斷、監測、治 療及追�j上,就能發揮其用處於極致。 |
英文摘要 | The potential uses of cranial ultrasound have been overlooked for years because of the advent of fascinating neuroimaging studies such as computed tomography (CT) and magnetic resonance imaging (MRI) study. In this article, the authors introduce the developments and refinement in modern pediatric neurosonology. In the past, only neonates with widely open fontanels seemed to be good candidates for cranial ultrasound study. Actually, any tiny skull defect can be used as an acoustic window. And the thin skulls of children do not hinder the ability of ultrasound to obtain acceptible image transcranially. Today, many CT and MRI studies can be replaced with the advanced cranial ultrasound if clinicians or neurologists recognize the advantages. Cranial ultrasound can provide Doppler hemodynamic studies which CT and MRI can not. Only ultrasound can provide convenient, real-time intraoperative guidance and continuous bedside monitoring in patients who need neurological intensive care. Cranial ultrasound also plays an important role in follow-up studies because it is convenient, economical, and safe, especially in children. To obtain all the benefits from an ultrasound study, one has to realize the "multimodal" applications of it, including the applications of all acoustic windows, multifrequency transducers, and hemodynamic study with the aid of power Doppler and contrast agents. With a multimodal approach, physicians can achieve the utmost from the powerful modern cranial ultrasound in pediatric patients. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。