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Table 5 Clinical outcomes of gastric ESD using Multi-loop traction device in Clinical feasibility evaluation

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

The M-ESD (10 patients 11 lesions)  
Year (y); median (range) 74 (66–87)
Gender (male: female) 9:1
Location (U/M/L) 5/5/1
Lesion position (Greater curvature/Lesser curvature/Anterior wall/Posterior wall) 4/1/2/4
Morphology (Depressed/Flat/Protruded) 5/0/6
Lesion size (mm) (longer axis); median (IQR) 12.0 (10.0–27.5)
Lesion size (mm) (shorter axis); median (IQR) 10.0 (8.0–24.0)
Submucosal dissection speed (mm2/min); median (IQR) 37.2 (29.7–59.8)
Rate of en bloc resection (%) 100 (11/11)
Rate of R0 resection (%) 100 (11/11)
Rate of accidental complications (perforation) during ESD (%) 0 (0/11)
Overall procedure time (min); median (IQR) 38.0 (27.0–63.5)
MLTD attachment time (min); median (IQR) 2 (1–2)
MLTD retrieving time (min); median (IQR) 1 (0–1)
Total local injection volume (mL); median (IQR) 21.5 (16.5–43.5)
Specimen area (mm2); median (IQR) 706.5 (580.1–1420.1)
Presence of ulceration (%) 18.2 (2/11)
successful MLTD attachment rate (number of successful MLTD attachment/number of attempts for MLTD attachment) (%) 91.7 (11/12)
Finally successful MLTD attachment rate (%) 100 (11/11)
Rate of MLTD retrieval (%) 100 (11/11)
MLTD attachment time (min); median (IQR) 2 (1–2)
MLTD extraction time (min); median (IQR) 1 (0–1)
  1. ESD, Endoscopic submucosal dissection; M-ESD, Multi-loop traction device-assisted ESD; IQR, interquartile range; MLTD, multi-loop traction device