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Table 5 Comparison between endoscopic submucosal tunnel dissection and endoscopic submucosal dissection

From: Efficacy and safety of endoscopic submucosal tunnel dissection for superficial esophageal neoplastic lesions: a systematic review and meta-analysis

StudyCountryGroupsSubjects, nMean age, yearsMean operation time, minTumor locationEn bloc resection, n (%)R0 resection, n (%)Complications, n (%)
HtMtLt
Zhang et al. [12]ChinaESTD5261.793.212720550 (96.2)44 (84.6)Perforation 1, Cardiac mucosal laceration 3, Muscular damage 2, Total 5 (9.6)
ESD9860.5992.3941381987 (88.78%)85 (86.73%)Perforation 1, Cardiac mucosal laceration 3, Muscular damage 4, Total 8 (8.2)
Huang et al. [19]ChinaESTD3858.738.0 (median)3221338 (100)38 (100)Muscular injury 11, Chest pain 4, Total 15 (39.5)
ESD7759.145.0 (median)12353076 (98.7%)72 (93.5%)Muscular injury 35, Post-procedure bleeding 1, Perforation 4, Chest pain 11, Total 51 (70.8)
  1. ESTD endoscopic submucosal tunnel dissection;
  2. ESD endoscopic submucosal dissection
  3. Ht higher thoracic, Mt middle thoracic, Lt lower thoracic