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Comparative Study
. 2014 Feb;79(2):224-232.e1.
doi: 10.1016/j.gie.2013.08.002. Epub 2013 Sep 20.

Comparison of endoscopic therapies and surgical resection in patients with early esophageal cancer: a population-based study

Sachin Wani  1 , Jennifer Drahos  2 , Michael B Cook  2 , Amit Rastogi  3 , Ajay Bansal  3 , Roy Yen  4 , Prateek Sharma  3 , Ananya Das  5
Affiliations
Comparative Study

Comparison of endoscopic therapies and surgical resection in patients with early esophageal cancer: a population-based study

Sachin Wani et al. Gastrointest Endosc. 2014 Feb.

Abstract

Background: Outcome data comparing endoscopic eradication therapy (EET) and esophagectomy are limited in patients with early esophageal cancer (EC).

Objective: To compare overall survival and EC-related mortality in patients with early EC treated with EET and esophagectomy.

Design and setting: Population-based study.

Patients: Patients with early EC (stages T0 and T1) were identified from the Surveillance, Epidemiology, and End Results database (1998-2009). Demographics, tumor specific data, and survival were compared. Cox proportional hazards regression models were used to evaluate the association between treatment and EC-specific mortality.

Intervention: EET and esophagectomy.

Main outcome measurements: Mid- (2 years) and long- (5 years) term overall survival and EC-specific mortality, outcomes based on histology and stage, treatment patterns, and predictors of cancer-specific mortality.

Results: A total of 430 (21%) and 1586 (79%) patients underwent EET and esophagectomy, respectively. There was no difference in the 2-year (EET: 10.5% vs esophagectomy: 12.7%, P = .27).and 5-year (EET: 36.7% vs esophagectomy: 42.8%, P = .16) EC-related mortality rates between the 2 groups. EET patients had higher mortality rates attributed to non-EC causes (5 years: 46.6% vs 20.6%, P < .001). Similar results were noted when comparisons were limited to patients with stage T0 and T1a disease and esophageal adenocarcinoma. There was no difference in EC-specific mortality in the EET compared with the surgery group (hazard ratio 1.4; 95% confidence interval, 0.9-2.03). Variables associated with mortality were older age, year of diagnosis, radiation therapy, higher stage, and esophageal squamous cell carcinoma.

Limitations: Comorbidities and recurrence rates were not available.

Conclusions: This population-based study demonstrates comparable mid- and long-term EC-related mortality in patients with early EC undergoing EET and surgical resection.

Keywords: CI; EAC; EC; EET; ESCC; HR; SEER; Surveillance, Epidemiology, and End Results; confidence interval; endoscopic eradication therapy; esophageal adenocarcinoma; esophageal cancer; esophageal squamous cell carcinoma; hazard ratio.

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Figures

Figure 1
Figure 1
Overall survival by the Kaplan-Meier’s estimate in endoscopic eradication therapies and esophagectomy groups
Figure 2
Figure 2
Proportion of esophageal cancer treated by endoscopic eradication therapies by stage and time
See this image and copyright information in PMC

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