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Table 3 ESD procedure outcomes (trainee endoscopist): multi-loop traction device-assisted ESD versus conventional ESD (n = 12) in the ex vivo pilot study

From: Multi-loop traction device facilitates gastric endoscopic submucosal dissection: ex vivo pilot study and an inaugural clinical experience

  M-ESD (n = 6) C-ESD (n = 6) p value
Rate of en bloc resection (%) 100 (6/6) 100 (6/6)
Rate of R0 resection (%) 100 (6/6) 100 (6/6)
Rate of accidental complications (perforation) during ESD (%) 0 (0–6) 0 (0–6)
Overall procedure time (min); median (IQR) 43.0 (35.5–62.5) 50.5 (43.3–54) 1.00
Local injection time (min); median (IQR) 5 (4.3–8) 8.5 (7.3–9) 0.52
Perimeter incision time (min); median (IQR) 17 (12.3–19.5) 7.0 (5.3–13.3) 0.13
MLTD attachment time (min); median (IQR) 3.0 (2.3–3)
Submucosal dissection time (min); median (IQR) 12.5 (9.3–21) 28.0 (25.3–31.5) 0.08
MLTD extraction time (min); median (IQR) 1.0 (1–1.75)
Total local injection volume (mL); median (IQR) 31.0 (21.8–38.8) 36.5 (24–47.5) 0.57
Specimen area (mm2); median (IQR) 854.1 (714.4–1158.1) 637.8 (598.6–880.8) 0.23
Number of additional local injections; median (IQR) 0 (0–0.75) 0 (0–0.75) 0.92
  1. ESD, Endoscopic submucosal dissection; MLTD, multi-loop traction device; IQR, interquartile range; C-ESD, conventional ESD; M-ESD, Multi-loop traction device-assisted ESD