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Research Article

Comparison of endoscopic submucosal dissection outcomes between early gastric cardiac and non-cardiac cancers: a retrospective single-center study

, , , , , , , & show all
Pages 1091-1100 | Received 03 Jan 2023, Accepted 30 Jun 2023, Published online: 21 Jul 2023
 

Abstract

Objectives

This study aims to compare the efficacy of endoscopic submucosal dissection (ESD) between early gastric cardiac cancer (EGCC) and early gastric non-cardiac cancer (EGNCC), and investigate associated risk factors for non-curative resection.

Methods

Early gastric cancer (EGC) patients who underwent ESD from January 2015 to September 2020 in Beijing Friendship Hospital were consecutively enrolled. The clinical, histopathological and endoscopic data were retrospectively analyzed. The study was registered in Chinese Clinical Trial Registry (ChiCTR1800017117).

Results

Among 500 patients with 534 EGC lesions, 117 patients with 118 lesions were allocated to the EGCC group, and 383 patients with 416 lesions to the EGNCC group. The rates of en bloc resection, complete resection and curative resection in the EGCC group were 97.5%, 78.8% and 71.2%, respectively, significantly lower than those in the EGNCC group (99.8%, 94.5% and 90.4%, p = .010, <.001 and <.001). Among non-curative resected lesions, EGCC had more cases in both endoscopic curability (eCura) C-1 and C-2 groups than EGNCC (10.2% and 18.6% vs. 2.4% and 7.2%, p < .001). Multivariate analysis showed that tumor size (OR 2.393, 95% CI 1.388–4.126) and submucosal invasion (OR 11.498, 95% CI 3.759–35.175) were risk factors for non-curative resection in the EGCC group. For EGCC larger than 3 cm, none achieved curative resection, 86.7% were classified as eCura C-2 and 46.7% exhibited deep submucosal infiltration.

Conclusions

The curative resection rate of ESD for EGCC was lower than that for EGNCC. ESD for EGCC larger than 3 cm should be cautiously considered.

Disclosure statement

The authors report there are no competing interests to declare.

Data availability statement

No additional data are available.

Additional information

Funding

This work was supported by the National Key R&D Program of China under Grant number 2017YFC1700600; the Capital Health Development Research Fund under Grant number 2020-1-2023; and The Digestive Medical Coordinated Development Center of Beijing Municipal Administration of Hospitals under Grant numbers XXZ01 and XXZ02.

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