Current status of minimally invasive endoscopic management for Zenker diverticulum

Table 3 Outcome of transoral flexible procedures for Zenker diverticulum

Ref.	No. pts	Incision device	Accessories	Satisfactory outcome	Overall morbidity	Salivary fistula
Mulder et al[25]	20	Coagulation	Forceps	NA	0%	0%
Ishioka et al[24]	42	Needle Knife	Mix	93%	1%	2%
Hashiba et al[70]	47	Needle Knife	Mix	96%	2%	13%
Mulder[71]	125	Argon Plasma	None	100%	2%	15%
Sakai et al[28]	10	Needle Knife	Hood	100%	1%	0%
Costamagna et al[31]	28	Needle Knife	Cap	43%	14%	18%
Rabenstein et al[72]	41	Argon Plasma	Cap	95%	0%	3%
Christiaens et al[32]	21	Monopolar forceps	Hood	100%	0%	5%
Vogelsang et al[34]	31	Needle Knife	Cap	84%	3%	23%
Tang et al[35]	6	Needle Knife	Hood/Endoclips	100%	0%	0%
Case et al[73]	22	Needle Knife	Cap	100%	32%	27%
Repici et al[29]	32	Hook knife	None	88%	6%	3%
Al-Kadi et al[74]	18	Needle Knife	None	78%	12%	6%
Hondo et al[33]	6	Harmonic scalpel	Soft diverticuloscope	100%	0%	0%