Chak Amitabh, Faulx Ashley, Eng Charis, Grady William, Kinnard Margaret, Ochs-Balcom Heather, Falk Gary
Division of Gastroenterology, University Hospitals of Cleveland and Ireland Cancer Center, Cleveland, Ohio 44106, USA.
Cancer. 2006 Nov 1;107(9):2160-6. doi: 10.1002/cncr.22245.
The efficacy of endoscopic screening for chronic gastroesophageal reflux symptoms of heartburn and regurgitation in adult subjects depends on the sensitivity of this strategy for detecting Barrett esophagus in subjects before the development of adenocarcinoma of the esophagus or cardia. The aim of the current study was to determine what proportion of patients with cancer of the esophagus or cardia would have been candidates for a screening endoscopy before their cancer diagnosis based on the presence and duration of preceding reflux symptoms.
All patients with adenocarcinoma of the esophagus, adenocarcinoma of the cardia, or long-segment Barrett esophagus presenting for endoscopy at 4 tertiary care and 2 Veterans Affairs (VA) hospitals were given a previously validated questionnaire to determine their recall of common gastroesophageal reflux symptoms.
The study population of 375 subjects consisted primarily of 294 (78%) white men. Only 67 of 110 patients (61%) with adenocarcinoma of the esophagus and 8 of 21 patients (38%) with adenocarcinoma of the cardia recalled symptoms of heartburn or regurgitation being present for >5 years before their diagnosis of cancer. Only 40 of 110 patients (36%) with adenocarcinoma of the esophagus and 5 of 21 patients (24%) with adenocarcinoma of the cardia recalled weekly symptoms being present for >5 years before their cancer diagnosis. Of the 244 patients with Barrett esophagus, 170 (70%) recalled heartburn or regurgitation for >5 years and 89 patients (37%) recalled weekly symptoms for >5 years.
Current practice, which uses a screening strategy of performing endoscopy in patients with >5 years of heartburn or regurgitation, can detect Barrett epithelium in only a limited proportion of those patients at risk for developing adenocarcinoma of the esophagus or adenocarcinoma of the cardia.
成人慢性胃食管反流症状(烧心和反流)的内镜筛查效果取决于该策略在食管或贲门腺癌发生前检测巴雷特食管的敏感性。本研究的目的是确定基于先前反流症状的存在和持续时间,在癌症诊断前有多少比例的食管或贲门癌患者适合进行筛查性内镜检查。
在4家三级医疗中心和2家退伍军人事务(VA)医院接受内镜检查的所有食管腺癌、贲门腺癌或长段巴雷特食管患者,均填写一份先前验证过的问卷,以确定他们对常见胃食管反流症状的回忆情况。
375名研究对象主要为294名(78%)白人男性。在110例食管腺癌患者中,只有67例(61%)回忆起在癌症诊断前烧心或反流症状持续超过5年;在21例贲门腺癌患者中,只有8例(38%)回忆起有此症状。在110例食管腺癌患者中,只有40例(36%)回忆起在癌症诊断前每周出现症状超过5年;在21例贲门腺癌患者中,只有5例(24%)回忆起有此情况。在244例巴雷特食管患者中,170例(70%)回忆起烧心或反流超过5年,89例(37%)回忆起每周出现症状超过5年。
目前对于烧心或反流超过5年的患者采用内镜筛查的做法,在那些有发展为食管腺癌或贲门腺癌风险的患者中,只能检测到有限比例的巴雷特上皮。