中國醫藥大學機構典藏 China Medical University Repository, Taiwan:Item 310903500/57965
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    Title: 一氧化碳中毒和缺血性腦中風的關聯性-台灣全民健康保險資料庫的統計
    Association Between Ischemic Stroke And Carbon Monoxide Poisoning: A Population-Based Retrospective Cohort Analysis
    Authors: 林家葳;Chia-Wei Lin
    Contributors: 醫務管理學系碩士在職專班
    Keywords: 中風;一氧化碳;stoke;carbon monoxide;cohort ananlysis
    Date: 2016-07-24
    Issue Date: 2017-03-22 15:33:56 (UTC+8)
    Publisher: 中國醫藥大學
    Abstract: 背景
    腦血管疾病長期佔國人十大死因前三位,其中缺血性腦中風佔了約7成,與缺血性腦中風相關的危險因子相當多,包括性別、年齡、高血壓、糖尿病、心臟疾病…等。有些研究顯示一氧化碳會對血管硬化、栓塞產生正面的預防效果,但是有些研究認為其會加重血管硬化的負面惡化效果。為了探討一氧化碳中毒的病人和缺血性腦中風之間的關聯。我們設計了一個回顧性追蹤研究,探討一氧化碳中毒和缺血性腦中風之間的關聯。
    目的
    目前研究仍無法清楚說明究竟一氧化碳對於血管是保護因子還是危險因子,對此本研究想釐清並且感到極大的興趣,因此以台灣地區居民為研究母體,探討一氧化碳中毒和缺血性腦中風的關聯性。
    方法
    使用健保資料庫分析,「百萬人抽樣歸人檔」在西元2000年到2011年期間,納入8705例一氧化碳中毒個案,使用年齡和性別配對,納入另外一群在同一時期中,4倍的人數並且未曾被診斷過缺血性腦中風的病人。於觀察期間追蹤至事件發生(新診斷之缺血性腦中風)、失去追蹤、死亡或達2011年底為止。研究一氧化碳中毒的病人造成缺血腦中風的發病率累積曲線(cumulative incidence curve)和校正風險比(adjust hazard ratio)。使用Cox proportional hazards regression統計模組,經調整可能之干擾變項來計算一氧化碳中毒後罹患缺血性腦中風的危險比。
    結果
    缺血性腦中風的發生率在研究組(一氧化碳中毒組)明顯高於對照組(無一氧化碳中毒組)有2.5倍(5.49 versus 2.02 每1000-人-年)之多,粗估危險比值為2.71(95% CI=2.28- 3.21))。經控制共病變項及調整其它條件情況後,研究組比起對照組缺血性腦中風高達2.76倍。單以年齡變項來看,調整其它條件後,年齡越小的組別,在一氧化碳中毒後有最高缺血性腦中風的風險。
    結論
    一氧化碳中毒對後續罹患缺血性腦中風的整體粗估風險提高有明顯的相關性。經過調整年齡、性別及共病變項後,罹患缺血性腦中風的風險仍達到統計上的顯著水準;越年輕的族群在一氧化碳中毒後,比起越年長的族群有著較高的缺血性腦中風發生率;一氧化碳中毒和後續罹患缺血性腦中風有顯著較高的累進發生率。一氧化碳中毒後可能和後續併發缺血性腦中風是有關聯的,雖然完整的機轉尚未明朗,仍待往後更多的研究來提供指引。此外,曾曝露一氧化碳中毒的族群可能有著潛在社經地位偏低的狀況,需要更多社會資源的協助。
    Background:
    The long-term consequence of cardiovascular health has not been evaluated for patients with carbon monoxide (CO) poisoning. This study evaluated the risk of ischemic stroke using population-based data.
    Methods:
    We identi?ed 8705 inpatients with CO intoxication diagnosed from 2000 to 2011 from the Taiwan National Health Insurance Research Database. The control cohort consisted of 34,820 persons randomly identi?ed from patients without exposure frequency matched by age, sex, and the year of hospitalization. Incidence and haz- ard ratio (HR) of ischemic strokewere evaluated by sociodemographic factors and comorbidities by the end of 2011.
    Results:
    The incidence of ischemic stroke revealed a signi?cant increase in the CO-poisoning cohort over the follow- up period (p < 0.001). The overall incidence of ischemic stroke was near 2.5-fold greater in the CO-poisoned cohort than in controls (5.49 versus 2.02 per 1000 person-years), with an adjusted HR of 2.60 (95% con?dence interval (CI) = 2.15–3.15). The adjusted HR for those without comorbidities was slightly higher (2.76, 95% CI = 2.13–3.58). The age-speci?c CO-poisoning to non-CO-poisoning relative risk was greatest in the youngest group (20–34 years) (adjusted HR = 6.45; 95% CI = 3.30–12.6).
    Conclusion:
    CO poisoning is associated with a long-term risk of increased incident ischemic stroke. Further study on the mechanism of ischemic stroke for CO poisoning affects is needed.
    Appears in Collections:[Department and Graduate of Health Services Administration] Theses & dissertations

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