Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
Clin Gastroenterol Hepatol. 2019 Aug;17(9):1756-1762. doi: 10.1016/j.cgh.2018.09.031. Epub 2018 Sep 27.
BACKGROUND & AIMS: Obesity is increasing in younger populations. Barrett's esophagus is associated with central obesity, so we investigated the occurrence of esophageal adenocarcinoma (EAC) in younger patients and compared them with older patients to determine differences in features at presentation and survival times.
We performed a single-center, retrospective study of 682 patients with a diagnosis of EAC treated from 2009 through 2012. We used a Cox proportional hazards model to compare survival times among young (less than 50 years, n = 105), middle age (51-70 years, n = 383), and older age (more than 70 years, n = 194) patients. We collected data on demographic features of patients and information from medical records. Baseline characteristics were compared using χ2 analysis for categorical variables and analysis of variance for continuous variables.
Higher proportions of patients in the young group presented with stage III EAC (43.8%) or stage IV EAC (33.3%), compared to the middle age group (39.7% with stage III and 21.7% with stage IV; P < .001) and older group (30.4% with stage III and 20.6% with stage IV; P < .001). The mean time of survival after diagnosis in the young group was 4 ± 4.2 years, compared to 5 ± 3.9 years in the middle age group (P = .03). The unadjusted model demonstrated an increased risk of death in the young group compared to the middle age group (hazard ratio, 1.5; 95% CI, 1.1-1.9; P = .004). Controlling for confounders such as sex, comorbidity index, stage, and the presence of intestinal metaplasia resulted in an adjusted hazard ratio of 1.34 for the young group (95% CI, 1.02-1.75; P = Intestinal metaplasia was detected in a higher proportion of patients in the middle age group (51.7%) than the young group (37.1%) (P < .001).
In a retrospective analysis of patients with EAC treated at a single center, we found that a higher proportion of young patients (younger than 50 years) present advanced-stage tumors than middle age patients; young patients also have shorter survival times than middle age patients with EAC. Studies are needed to determine whether this difference is due to a lack of symptoms or endoscopic screening or distinct mechanisms of more aggressive tumors.
肥胖在年轻人群中呈上升趋势。巴雷特食管与中心性肥胖有关,因此我们研究了年轻患者中食管腺癌(EAC)的发生情况,并将其与老年患者进行比较,以确定就诊时的特征和生存时间的差异。
我们对 2009 年至 2012 年间在我们中心诊断为 EAC 的 682 例患者进行了单中心回顾性研究。我们使用 Cox 比例风险模型比较了年轻组(<50 岁,n = 105)、中年组(51-70 岁,n = 383)和老年组(>70 岁,n = 194)患者的生存时间。我们收集了患者的人口统计学特征和病历信息。使用卡方检验比较分类变量,使用方差分析比较连续变量。
与中年组(III 期 39.7%,IV 期 21.7%;P<0.001)和老年组(III 期 30.4%,IV 期 20.6%;P<0.001)相比,年轻组更多的患者表现为 III 期或 IV 期 EAC(43.8%或 33.3%)。年轻组诊断后平均生存时间为 4±4.2 年,中年组为 5±3.9 年(P=0.03)。未调整模型显示,与中年组相比,年轻组的死亡风险增加(风险比,1.5;95%CI,1.1-1.9;P=0.004)。在校正性别、合并症指数、分期和肠上皮化生等混杂因素后,年轻组的调整风险比为 1.34(95%CI,1.02-1.75;P=0.03)。年轻组(37.1%)肠上皮化生的比例高于中年组(51.7%)(P<0.001)。
在对单一中心治疗的 EAC 患者进行回顾性分析时,我们发现年轻组(<50 岁)中晚期肿瘤的比例高于中年组;年轻组的生存时间也短于中年组。需要进一步研究以确定这种差异是否是由于缺乏症状或内镜筛查,或者是由于肿瘤更具侵袭性的不同机制所致。