Current developments in natural orifices transluminal endoscopic surgery: An evidence-based review

Table 1 Summary of human natural orifice transluminal endoscopic surgery procedures

Authors	Type of procedure	No. of patients	Organ of access
Marescaux et al[2] (2007)	Cholecystectomy	1	Transvaginal
Zorrón et al[3] (2007)	Cholecystectomy	1	Transvaginal
Gettman et al[4] (2007)	Peritonoscopy	1	Transvesical
Hazey et al[5] (2008)	Peritonoscopy	10	Transgastric
Lacy et al[6] (2008)	Sigmoidectomy	1	Transvaginal
Ramos et al[7] (2008)	Sleeve gastrectomy	1	Transvaginal
Zorrón et al[8] (2008)	Peritonoscopy	1	Transvaginal
Zornig et al[9] (2009)	Cholecystectomy	68	Transvaginal
Decarli et al[10] (2009)	Cholecystectomy	12	Transvaginal
Gumbs et al[11] (2009)	Cholecystectomy	4	Transvaginal
Auyang et al[12] (2009)	Cholecystectomy	1	Transgastric
Horgan et al[13] (2009)	Cholecystectomy	1	Transvaginal
Kaouk et al[14] (2009)	Nephrectomy	1	Transvaginal
Fischer et al[15] (2009)	Sleeve gastrectomy	1	Transvaginal
Lacy et al[16] (2009)	Sleeve gastrectomy	1	Transvaginal

Table 2 Summary of devices for luminal closure in natural orifice transluminal endoscopic surgery

Mechanism of closure	Device name	Outcomes from comparative studies?	Tested in a survival study?
Clipping	Jumbo clips	Yes	Yes
	Over-the-scope clips	Yes	Yes
Stitching	Eagle claw	No	Yes
	T-tags	Yes	Yes
	Loop anchor purse-string	Yes	No
	G-prox needle	Yes	No
	Flexible endostitch	Yes	No
Stapling	SurgASSIST	Yes	No
Occluding	Nitinol cardiac occluder	No	Yes