Gastroenterology:间隔结直肠癌与结肠镜监测欠佳有关

2014-04-30 佚名 dxy

在结肠镜检查间隔期发生的结直肠癌叫间隔结直肠癌,即在结肠镜检查后的5年内发生的结直肠癌,其发生原因可分为镜检漏诊(如扁平肿瘤或<1 cm肿瘤)、息肉切除术不完全病变或原因不明病变。 因此,来自美国犹他大学癌症研究所的Samadder教授等调查接受结肠镜检查后6-60个月内发生的间隔结直肠癌患者的比例、特点和危险因素。该研究发现,间隔结直肠癌的发生可能是由于该类结直肠癌独特的生物特性和/或欠

在结肠镜检查间隔期发生的结直肠癌叫间隔结直肠癌,即在结肠镜检查后的5年内发生的结直肠癌,其发生原因可分为镜检漏诊(如扁平肿瘤或<1 cm肿瘤)、息肉切除术不完全病变或原因不明病变。

因此,来自美国犹他大学癌症研究所的Samadder教授等调查接受结肠镜检查后6-60个月内发生的间隔结直肠癌患者的比例、特点和危险因素。该研究发现,间隔结直肠癌的发生可能是由于该类结直肠癌独特的生物特性和/或欠佳的结肠镜监测管理。该项研究最近发表在美国的《胃肠病学》Gastroenterology杂志上。【原文下载】

研究人员以人群为基础对美国犹他州的居民进行了一项队列研究,这些居民从1995年至2009年间在美国山间医疗保健公司或犹他大学的卫生医疗系统接受结肠镜检查,这些医疗系统为超过85%的该州居民提供体检。

因为结肠镜检查的结果与他们的癌症史相关,所以从犹他州人口数据库中筛选在诊断为间隔癌之前的6-60个月内接受过结肠镜检查的病人作为研究对象。采用Logistic回归方法来计算间隔结直肠癌发生的相关危险因素。

研究结果显示,126851例接受结肠镜检查的病人中,有2659例被诊断为结直肠癌,6%的结直肠癌患者(2659例中的159例)是发生在结肠镜检查后6-60个月内。性别、年龄与间隔结直肠癌发生不相关。与在结肠镜检查时发现的结直肠癌患者(36%)或没有罹患癌症的患者(26%)比较,间隔结直肠癌患者在结肠镜检查中发现腺瘤的比率更高(57.2%),且有统计学意义。

间隔结直肠患者与直接在结肠镜检查时发现的患者相比,间隔癌往往是位于近端结肠的早期肿瘤,其优势比为2.24。间隔结直肠患者更可能有结直肠癌的家族史,其优势比为2.27, 间隔结直肠患者的死亡风险低于直接结肠镜检查时发现结直肠癌的患者,其危险比0.63。

上述研究结果提示,在该项以人群为基础的研究中, 6%的患者中有间隔癌,间隔结直肠癌与近端结肠、早期癌症、低死亡风险、高发的腺瘤率以及结直肠癌的家族病史相关。这些研究结果表明间隔癌的发生可能与结直肠癌独特的生物特性和/或欠佳的结肠镜监测管理相关。

从该研究来看,首次结肠镜检查医生的操作技能和治疗效果或许是间隔结直肠癌发生的关键因素。为降低间隔结直肠的发生率,除了定期进行有效的内镜监测之外,对内镜医师也应亟待加强结直肠病变精确检查和有效治疗方面的培训。

原始出处:

Samadder NJ1, Curtin K2, Tuohy TM3, Pappas L3, Boucher K3, Provenzale D4, Rowe KG5, Mineau GP6, Smith K6, Pimentel R3, Kirchhoff AC7, Burt RW8.Characteristics of missed or interval colorectal cancer and patient survival: a population-based study.Gastroenterology. 2014 Apr;【原文下载】

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    2014-12-27 许安
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    2014-05-02 zhouqu_8
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