Anesthetic management and associated complications of peroral endoscopic myotomy: A case series

Table 4 Review of anesthetic management of peroral endoscopic myotomy in the existing literature

Author	n	Preparation for POEM	Aspiration at induction	CO2-related complications
Löser et al[9]	173	Liquid diet 2 to 5 d prior to POEM Nil per os overnight (for at least eight hours) Esophagoscopy was performed one day before POEM	None	Subcutaneous emphysema in 49 cases
				Pneumothorax in 1 case
Jayan et al[10]	21	Low residue diet 48 h before POEM Fasted from 20:00 on day before POEM	None	Subcutaneous emphysema in 5 cases
Goudra et al[11]	24	Fasting times for both solids and liquids were variable	1	No comment
Yang et al[12]	52	Clear liquid diet for 48 h before POEM Nil per os after midnight on day of POEM	None	Peak airway pressure > 35 cmH2O in 5 cases
Tanaka[13]	28	Nil per os for 24 h before POEM Esophagoscopy was performed before induction of anesthesia	None	Subcutaneous emphysema in 1 case

POEM: Peroral endoscopic myotomy.