Epidemiology:乳腺癌患者心血管疾病风险也会增加,尤其是发病7年之后

2015-10-02 MedSci MedSci原创

得了乳腺癌已经够郁闷的了,不过这个世界从来都是没有最糟糕,只有更凄惨。好不容易挣扎着间减轻的活下来了,还要时刻担心各种其他系统的疾病,其中心血管疾病(CVD)则是乳腺癌患者的一大担忧。临床上有研究表明,乳腺癌患者CVD风险增加,不过与普通人群相比,乳腺癌患者CVD风险究竟大到什么地步,目前还是未知的,以及确证后多少年是CVD风险较高的时候,即时间窗口或时间模式,也是不知道的。因此Bradshaw

得了乳腺癌已经够郁闷的了,不过这个世界从来都是没有最糟糕,只有更凄惨。好不容易挣扎着间减轻的活下来了,还要时刻担心各种其他系统的疾病,其中心血管疾病(CVD)则是乳腺癌患者的一大担忧。临床上有研究表明,乳腺癌患者CVD风险增加,不过与普通人群相比,乳腺癌患者CVD风险究竟大到什么地步,目前还是未知的,以及确证后多少年是CVD风险较高的时候,即时间窗口或时间模式,也是不知道的。因此Bradshaw PT等人就该问题进行了研究。

该研究纳入了1996-1997诊断为乳腺癌并死于CVD的1,413名女性,同期按年龄匹配1,411名死于CVD,但不是乳腺癌的女性作为对照组。研究者通过National Death Index采集相关数据和死因;通过结构化面试和电子医疗记录获取协变量相关数据;根据Cox回归模型对数据进行处理,计算总死亡率(HR)和CVD特异性相关死亡(cause-specific HR);最后通过Fine-Gray模型评估CVD死亡的sHR。

数据分析结果显示,乳腺癌患者与没有患乳腺癌的妇女相比,CVD死亡的风险更大:HR: 1.8 (1.5, 2.1)。同时研究者发现,诊断乳腺癌后7年,乳腺癌患者CVD相关死亡风险增加:0-7年, cause-specific HR: 0.80 (0.53, 1.2), sHR: 0.59 (0.40, 0.87);>7年,cause-specific HR: 1.8 (1.3, 2.5), sHR: 1.9 (1.4, 2.7); p-interaction: 0.001.。并且接受化疗治疗也会导致乳腺癌患者其CVD相关死亡风险的加。

研究结果表明,相比没有患乳腺癌的女性,乳腺癌会使患者心血管疾病(CVD)风险增加,尤其是诊断乳腺癌7年以后,风险放大。因此对于乳腺癌患者,在这个7年的时间窗口,临床医生应该尽早识别相关CVD危险因素,并早期进行有效干预,以减少这类本就脆弱的群体,其心血管疾病的风险和负担。

原始出处:


Bradshaw PT, Stevens J, Khankari N, Teitelbaum SL, Neugut AI, Gammon MD. Cardiovascular Disease Mortality Among Breast Cancer Survivors. Epidemiology (Cambridge, Mass). 2015.

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    2015-10-07 Keren1970

    难怪有些女性冠心病患者既往有乳腺癌的病史

    0

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