Current status of minimally invasive endoscopic management for Zenker diverticulum

Table 2 Outcome of transoral rigid procedures for Zenker diverticulum

Ref.	No. pts	Technique	Satisfactory outcome	Overall morbidity	Salivary fistula	Conversion rate
Fremling et al[61]	6	Stapling	100%	0%	0%	0%
Peracchia et al[36]	95	Stapling	93%	1%	0%	3%
Narne et al[62]	102	Stapling	100%	0%	0%	4%
Philippsen et al[15]	14	Stapling	100%	0%	0%	21%
Cook et al[16]	74	Stapling	97%	3%	2%	8%
Lüscher et al[63]	23	Stapling	96%	1%	4%	0%
Jaramillo et al[64]	32	Stapling	80%	4%	0%	16%
Thaler et al[65]	23	Stapling	87%	0%	0%	30%
Counter et al[66]	31	Stapling	95%	10%	10%	0%
Chang et al[22]	24	CO2 laser	90%	8%	0%	0%
Fama et al[18]	25	Harmonic Scalpel	96%	12%	0%	0%
Sharp et al[19]	48	Stapling/Harmonic Scalpel	88%	12%	2%	0%
Helmstaedter et al[23]	40	CO2 laser	NA	10%	NA	NA
Wasserzug et al[67]	55	Stapling	90%	4%	2%	7%
Peretti et al[68]	28	CO2 laser	85%	7%	4%	4%
Nicholas et al[13]	7	Stapling	100%	14%	0%	0%
May et al[20]	7	Harmonic Scalpel	100%	0%	0%	0%
Bonavina et al[14]	91	Stapling	80.8%	5%	1%	13.2%
Adam et al[69]	128	Stapling/CO2 laser	NA	4.6%	0%	NA

NA: Not available.