Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Mar 7, 2017; 23(9): 1637-1644
Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1637
Table 1 Clinical characteristics and procedure-related parameters for 21 consecutive patients who experienced mucosal penetration during peroral endoscopic myotomy procedure
Patient characteristics
Sex, female/male (n)12/9
Age (yr), mean (range)38.0 (15-64)
Symptom duration (mo), median (range)26.0 (10-360)
Previous treatment (n)
Botox injection3
Bouginage1
Chicago classification (n)
Type I2
Type II18
Type III1
Procedure-related parameters
Procedure time (min.), median (range)58.9 (20.0-141.0)
Tunnel length (cm), mean (range)11.7 (7-18)
Myotomy length (cm), mean (range)5.6 (3-10)
Myotomy type (n)
Inner circular muscle myotomy10
Full-thickness myotomy1
Glasses-style anti-reflux myotomy1
Progressive full-thickness myotomy9