查詢結果分析
來源資料
相關文獻
- 以蒙地卡羅法研究病患於冠狀動脈診療之輻射劑量
- 體外中子照射防護量評估
- Transcatheter Closure of Atrial Septal Defect Guided by On-Line Transesophageal Echocardiography
- Direct Simulation Monte Carlo of Monosilane Low Pressure Chemical Vapor Deposition
- 在計數反應的生物檢定中以Trimmed Spearman-Karber法估計ED叙之研究--以殺蟲劑加保扶對南方根瘤線蟲麻痺作用為例
- 多元排序性Probit的估計: 個體資料法
- 發電燃煤之存貨控制與風險分析
- 以蒙地卡羅模擬探討非飽和土壤異質性對入滲之影響
- 多重轉折點貝氏分析之應用
- 多重插補在民意調查中之應用及抽樣誤差之估計
頁籤選單縮合
題 名 | 以蒙地卡羅法研究病患於冠狀動脈診療之輻射劑量=A Study of Radiation Dose to Patients during Cardiac Angiography and Intervention by Monte Carlo Method |
---|---|
作 者 | 陳隆勝; 林威廷; 林肇鋒; 吳威霆; | 書刊名 | 中華放射線技術學雜誌 |
卷 期 | 36:2 2012.06[民101.06] |
頁 次 | 頁55-62 |
分類號 | 415.3161 |
關鍵詞 | 蒙地卡羅; 心導管; 有效劑量; Monte Carlo method; PCXMC; Cardiac catheterization; Effective dose; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究記錄病患在冠狀動脈診療時的曝射參數,並搭配蒙地卡羅程式PCXMC評估其有效劑量值。在冠狀動脈攝影檢查部分,有效劑量平均值為27.720 ± 8.545 mSv,DAP平均值為124.432 ± 43.631 Gy平方公分;而在診療時若不考慮診斷部分,則單一血管介入術病患的平均有效劑量為34.622 ± 13.214 mSv、平均DAP值為184.556 ± 140.439 Gy平方公分。其中診斷時的動態影像攝影雖然只占總曝射時間約20%,但卻主導整體有效劑量的64%;而在執行介入術時候,動態影像攝影的曝射時間所占比例並無太大改變,但其有效劑量分率卻下降到52%。若再與歐洲的心導管診療參考值相比,則本研究在冠狀動脈攝影檢查部分有較高的DAP值和動態影像攝影張數;而在冠狀動脈介入術方面,因包含了血管整形術和支架置放術,因此其DAP值和動態影像張數較血管整形術的參考值高出了一倍左右。多數情況下,依據ICRP 103號報告計算的有效劑量將較採用ICRP 60報告者為高。且本研究亦分別討論在ICRP 60和ICRP103號報告下,不同BMI群組的有效劑量轉換因子。 |
英文摘要 | This study collected the exposure parameters undergoing cardiac angiogram (CA) or CA with Percutaneous Coronary Intervention (PCI), and we evaluated the patients' effective dose by the Monte Carlo program-PCXMC. The mean effective dose and dose area produced (DAP) values during CA were 27.720 ± 8.545 mSv and 124.432 ± 43.631 Gy cm^2. The mean effective dose and DAP values during single vessel PCI were 34.622 ± 13.214 mSv and 184.556 ± 140.439 Gy cm^2. Although the exposure time of cineangiogram in CA was only about 20% of total exposure time, it covered 64% of the overall effective dose. During the cineangiogram of PCI, there was not much change in the proportion of exposure time, but the effective dose rate dropped to 52%. In comparison with the reference levels (RLs) of European, our study had higher DAP values and number of cineangiograms undergoing CA. The PCI procedure employed usually included Percutaneous transluminal coronary angioplasty (PTCA) and stent implantation (SI), resulting in our DAP values for PCI being about twice as large as the European RLs for PTCA only. In most case, the effective dose calculated by ICRP 103 Report was higher than that done by ICRP 60 Report. We also calculated the effective dose conversion factor for the different body mass index (BMI) groups between the ICRP 60 and 103 Report. |
本系統中英文摘要資訊取自各篇刊載內容。