Learning Curve in a Western Training Center of the Circumferential En Bloc Esophageal Endoscopic Submucosal Dissection in an In Vivo Animal Model

Table 3

Results before and after learning curve of circumferential ESD in the esophagus using Hook knife (KD-620LR).

	First 7 cases	Last 3 cases	𝑃
Mean specimen lenght (mm)	15.57 (±.976)	17.33 (±.577)	.021
Mean specimen width (mm)	50.71 (±7.31)	51.66 (±7.63)	.857
Mean procedure duration (min)	204.86 (±33.81)	164.33 (±21.36)	.096
Complications	Perforation (7)	None	—