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Clin Gastroenterol Hepatol. 2022 Feb;20(2):e298-e314. doi: 10.1016/j.cgh.2020.11.032. Epub 2020 Dec 01.

Risk and Time Pattern of Recurrences After Local Endoscopic Resection of T1 Colorectal Cancer: A Meta-analysis.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Hao Dang, Nik Dekkers, Saskia le Cessie, Jeanin E van Hooft, Monique E van Leerdam, Philip P Oldenburg, Louis Flothuis, Jan W Schoones, Alexandra M J Langers, James C H Hardwick, Jolein van der Kraan, Jurjen J Boonstra

Affiliations

  1. Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands. Electronic address: [email protected].
  2. Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands.
  3. Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands.
  4. Walaeus Library, Leiden University Medical Center, Leiden, The Netherlands.

PMID: 33271339 DOI: 10.1016/j.cgh.2020.11.032

Abstract

BACKGROUND & AIMS: Growing numbers of patients with T1 CRC are being treated with local endoscopic resection only and as a result, the need for optimization of surveillance strategies for these patients also increases. We aimed to estimate the cumulative incidence and time pattern of CRC recurrences for endoscopically treated patients with T1 CRC.

METHODS: Using a systematic literature search in PubMed, EMBASE, Web of Science and Cochrane Library (from inception till 15 May 2020), we identified and extracted data from studies describing the cumulative incidence of local or distant CRC recurrence for patients with T1 CRC treated with local endoscopic resection only. Pooled estimates were calculated using mixed-effect logistic regression models.

RESULTS: Seventy-one studies with 5167 unique, endoscopically treated patients with T1 CRC were included. The pooled cumulative incidence of any CRC recurrence was 3.3% (209 events; 95% CI, 2.6%-4.3%; I

CONCLUSIONS: Our meta-analysis provides quantitative outcome measures which are relevant to guidelines on surveillance after local endoscopic resection of T1 CRC.

Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

Keywords: Follow-Up; Recurrence; T1 Colorectal Carcinoma; Therapeutic Endoscopy

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