Table 3.

Gastric per-oral endoscopic myotomy

	GPOEM
PRO	High clinical success rate (71%-100%)
	High technical success rate (100%)
	Less perioperative morbidity and operating time than surgery pyloromyotomy
	Minimally invasive
	Short hospitalization time
	Positive predictive factors	Lower starting GCSI
		Fewer symptoms
		Idiopathic and post-surgical GP
CONS	Limited to tertiary care center and very expert physicians
	Risk of pneumoperitoneum and abdominal pain
	Poorer results for diabetic GP and female

GPOEM: Gastric per-oral endoscopic myotomy; GCSI: Gastroparesis cardinal symptoms index.