Review
Copyright ©The Author(s) 2016.
World J Gastrointest Endosc. Jan 25, 2016; 8(2): 86-103
Published online Jan 25, 2016. doi: 10.4253/wjge.v8.i2.86
Table 4 Complications of peroral endoscopic myotomy[58]
Common complications
Gas-related complications (minor)
Subcutaneous emphysema (31.6%)
Capno/pneumomediastinum (10%-22%)
Capno/pneumothorax (11%)
Capno/pneumoperitoneum (30.6%)[58]
Mucosal injury-perforation (mediastinal or peritoneal leak) (0.3%) (major)
Mediastinitis (insufficient data)
Peritonitis (insufficient data)
Retroperitoneal abscess (2 proved cases reported)
Pleural effusion (insufficient data)
Pneumonitis (insufficient data)
GI fistula (insufficient data)
Fever (temperature > 38 °C)
Severe postoperative pain
Rare complications
Delay postoperative bleeding (1.1%)
Hematoma within the tunnel
Submucosal infection
Mortality (0.025%) (Single death/4000 POEM cases)