Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. Apr 14, 2010; 16(14): 1759-1764
Published online Apr 14, 2010. doi: 10.3748/wjg.v16.i14.1759
Table 1 Descriptive statistics of the endoscopic submucosal dissection (ESD) pilot study
GroupValuesProcedural duration (min)Specimen length (mm)Specimen width (mm)
Hook-knife (Esophagus)n = 5
mean124’27.40021.000
SD42’ 778”5.8145.447
SE19’ 131”2.6002.449
Range90’13.00015.000
IT-knife2 (Stomach)n = 5
mean92’ 60”32.00018.000
SD43’ 518”5.7018.367
SE19’ 462”2.5503.742
Range107’15.00020.000
Total (Esophagus and stomach)n = 10
mean108’ 30”29.70019.500
SD43’ 919”5.9456.852
SE13’ 888”1.8802.167
Range137’23.00020.000
Table 2 ESD in the esophagus using the Hook-knife (KD-620LR) and in the stomach using the IT-knife2 (KD-611L)
Size of specimenProcedural duration (min)Site of ESDComplications
Hook-knife (Esophagus)
30 mm × 20 mm180LowerNone
30 mm × 20 mm160LowerNone
30 mm × 20 mm100LowerNone
17 mm × 15 mm90UpperNone
30 mm × 30 mm90MidNone
IT-knife2 (Stomach)
25 mm × 10 mm150Lesser curvature of antrumNone
35 mm × 30 mm120Antrum posterior wallNone
30 mm × 20 mm90Lesser curvature of antrumNone
40 mm × 10 mm60Lesser curvature of antrumNone
30 mm × 20 mm43Upper greater curvatureNone