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  5. 運用腦室外引流系統與大氣壓力相通方式測得顱內壓之準確性評估
 
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運用腦室外引流系統與大氣壓力相通方式測得顱內壓之準確性評估

Other Title
The Accuracy and Reproducibility of Using External Ventricular Drainage System to Measure Intracranial Pressure
Type
thesis
Date Issued
2007-06-21
Author(s)
古菊梅
Advisor
蔡佩珊
Subjects
系所名稱:護理學研究所
Description
學位別:碩士
語文別:中文
指導教授:蔡佩珊
共同指導教授:
口試委員:李石增;黃俊仁
中文關鍵字:腦室外引流系統;顱內壓測量;準確性;再測信度
Abstract
本研究目的為測試運用腦室外引流系統裝置與大氣壓力相通方式下測量顱內壓的準確性與再測信度,並探討不同的腦脊髓液比重是否影響此顱內壓測量方法的準確性。研究對象為62位裝置有腦室外引流系統之病患。測量方法係利用腦室外引流系統裝置與監測器二種測量工具,以隨機分配方式先後測量個案平躺、15度及30度三種床頭高度之顱內壓,每一種高度做6次。二種測量工具所測得之顱內壓平均值以皮爾森積差相關、配對t檢定及Bland-Altman分析法,比較二種測量工具之一致性與準確性,結果以Bland-Altman分析圖呈現。腦室外引流系統裝置測量顱內壓之再測信度則以皮爾森積差相關及變異係數做分析。
結果顯示二種測量方式所得之平均測量值在床頭高度0度時,有顯著相關(r =.93, p < .001),平均差異值(bias)及標準差為2.0 ±1.6 mmHg,平均差異值具統計顯著差異(p < .001),一致性界限(bias ± 2SD)從 - 1.2到5.2 mmHg。在床頭抬高15度時亦有顯著相關(r = .94, p < .001),平均差異值及標準差為2.1 ± 1.5 mmHg,平均差異值有統計顯著差異(p < .001),一致性界限從 - 0.9到5.2 mmHg。床頭高度30度時也是有顯著相關(r = .95, p < .001),平均差異及標準差為2.0 ± 1.6 mmHg,平均差異值有統計顯著差異(p < .001),一致性界限從 - 1.2到4.9 mmHg。而腦脊髓液比重對腦室外引流系統與監測器測量之平均值差異的影響,結果顯示無統計顯著相關(P > .05)。
再測信度方面,6次測量值之間均呈顯著相關(p < .001),具有良好再測信度,然而由變異係數比較結果發現,在平躺時CV =3.69%,15度時CV = 6.62%,30度時CV = 7.88%,有床頭高度越高,測量變異越大,穩定度越差之情形。
綜合以上結果發現,腦室外引流系統與監測器測量值之間缺乏一致性,而腦脊髓液比重並不影響此一致性不佳的結果,因此腦室外引流系統裝置與監測器二種顱內壓測量工具不可互相取代,在使用腦室外引流系統做顱內壓測量時,建議以再測信度佳、測量變異最少的平躺姿勢做測量。
關鍵字:腦室外引流系統、顱內壓測量、準確性、再測信度
URI
https://203.71.86.71/handle/123456789/12223
https://hdl.handle.net/11296/8n62eb
File(s)
No Thumbnail Available
Name

C0183551.pdf

Size

10.01 MB

Format

Adobe PDF

Checksum

(MD5):64103c3e1b554ebbb8ec6bda889abf3d

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