Outcomes and validity of risk stratification tools for endoscopic submucosal dissection of early gastric cancer in Western Australia.

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    • Subject Terms:
      STOMACH cancer; TREATMENT effectiveness; COHORT analysis; COMPARATIVE studies; SCIENTIFIC observation
    • Abstract:
      Background and Aim: Endoscopic submucosal dissection (ESD) has become the treatment of choice for many superficial gastric neoplasms. Clinical outcomes are increasingly comparable between Japanese and Western series; however, data are lacking on the validity of risk stratification tools in Western cohorts. We aimed to evaluate clinical outcomes, explore risk stratification, and compare our data with published Western series. Methods: We conducted a retrospective, observational cohort study in a single tertiary referral center over a 13‐year period. Primary outcomes were rates of en bloc, complete (R0) and curative resection. Secondary outcomes included adverse events, recurrence, metachronous lesions, eCura grades, and ESGE criteria. A comparative analysis was performed with existing published series from Western centers. Results: Totally 112 patients were included in the study cohort. 50.9% were male, 87.5% Caucasian, and median age was 75.5 years (IQR 14.3 years). Lesions were predominantly antral (36.6%) or body (35.7%); median size 20 mm (IQR 15 mm). Rates of en bloc, R0 resection, and curative resection were 96.4%, 89.3%, and 78.6% (identical between eCura and ESGE), respectively. Adverse events occurred in 5.8%, recurrence in 0%, and metachronous lesions in 9.9%. Our data compared favorably with a review existing Western series, which illustrates increasing adoption of ESD and stable outcomes over time. Conclusion: ESD represents a safe and effective method of treatment for gastric neoplasia in the Western setting. This study highlights the potential for excellent outcomes in a single center with a heterogeneous patient cohort and supports the use of eCura in guiding post procedural management. [ABSTRACT FROM AUTHOR]
    • Abstract:
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