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Table 2 ESD procedure outcomes (expert 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) 17.0 (13.3–18.5) 22.5 (14.5–29) 0.20
Local injection time (min); median (IQR) 3 (2.3–3) 3 (2.3–3) 1
Perimeter incision time (min); median (IQR) 3.5 (2.3–5.5) 4.5 (3–6) 0.68
MLTD attachment time (min); median (IQR) 2.0 (1.3–2.8)
Submucosal dissection time (min); median (IQR) 3 (2.3–6) 12.5 (8.3–17.5) < 0.05
MLTD extraction time (min); median (IQR) 1.0 (1–1)
Total local injection volume (mL); median (IQR) 17.5 (11.3–23.8) 21.5 (14–24.5) 0.47
Specimen area (mm2); median (IQR) 706.5 (471–942) 647.6 (458.0–812.5) 0.42
Number of additional local injections; median (IQR) 0 (0–0) 0 (0–0) 0.32
  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