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中高齡工作族群的急性感染引發主動脈剝離

Acute Infection In The Middle-Aged Working Population Trigger Aortic Dissection

摘要


背景:在過去的十年已有些個案報告,細菌感染與中風或急性心肌梗塞等腦心血管疾病之間存在相關性。但我們尚不知道細菌或病毒感染之後,中高齡工作族群是否會增加患主動脈剝離的風險。我們的目的是探討首次急性感染之後,中高齡工作族群是否會增加患首次主動脈剝離的疾病風險。方法:我們分析了2000年至2013年台灣國家衛生研究院(NHRID)的健保資料庫。我們只收案四十歲至六十五歲的人口,並找出了所有中高齡工作人口同時有首次急性感染當作暴露,和首次診斷為主動脈剝離當作結果。該方法學是自我控制案例系列研究方法(SCCS),該方法使用條件卜瓦松迴歸分析。我們計算了發病率和風險期與控制期之間的95%信賴區間,並對年齡進行了每兩年分層調整。結果:在整個研究期間,中高齡工作人口族群有153個人同時有首次急性感染住院和首次發生主動脈剝離,符合研究納入標準。所有首次急性感染住院個案在第一年風險期與控制期相比,主動脈剝離疾病發生率(I.R.)為1.32,95%信賴區間(C.I.)為1.1-1.71,即主動脈剝離發生率增加,且有顯著性。在第二到第三年風險期的主動脈剝離疾病發生率(I.R.)為1.21,95%信賴區間(C.I.)為1.01-1.78,即主動脈剝離發生率亦有增加,並有顯著性,但是相對於第一年的風險值下降。在第四到第五年風險期的主動脈剝離疾病發生率(I.R.)為1.03,95%信賴區間(C.I.)為0.91-1.63,即主動脈剝離發生率沒有明顯增加,也沒有顯著性。結論:我們發現四十歲到六十五歲的中高齡工作人口族群首次急性感染住院和首次主動脈剝離之間存在關聯,並且在首次急性感染住院後的第一年之間主動脈剝離發生率最高。今後應探討急性感染住院和主動脈剝離之間的病理作用機轉。

並列摘要


Background: The association between acute infection and stroke or acute myocardial infarction were reported in past decade. However, we did not know whether middle-aged working population have increased risk of aortic dissection following bacterial or viral infection. Our purpose is to explore whether first-ever acute infection increase risk of first-ever aortic dissection among middle-aged working population. Methods: We analyze Taiwan National Health Research Institute database (NHRID) from 2000 to 2013. We exclude the people who aged from 40 to 65 years old and we find cases with a concurrent diagnosis of first-ever acute infection for exposure and first-ever aortic dissection for outcome. The method is Self-Controlled Case Series study (SCCS), which uses conditional-Poisson regression. We calculate the incidence and the 95% confidence interval between risk period and control period, with two-year stratification of age adjustment. Results: During the entire observation period, 153 individuals among middle-aged working population have both first-ever acute infection and first-ever aortic dissection. The incidence of aortic dissection was significantly increased in the first year of risk versus control (IR, 1.32; 95% CI, 1.1-1.71), 2nd to 3th year (IR, 1.21; 95% CI, 1.01-1.78), 4th to 5th year (IR, 1.03; 95% CI, 0.91-1.63). Conclusion: We find the association between first-ever acute infection and first-ever aortic dissection among middle-aged working population, and the highest incidence of aortic dissection in the first year after first-ever acute infection. It should be investigated about the pathological mechanism between acute infection and aortic dissection in the future.

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