Transanal total mesorectal excision: Towards standardization of technique

Table 2 Operative techniques reported for transanal total mesorectal excision

Author, year	Transanal first	Transanal platform	Pure NOTES	Number of laparoscopic ports	Splenic flexure mobilization	Specimen extraction	Anastomosis	Defunctioning stoma (loop ileostomy)
Zorron, 2010	Yes	TriPort	No	3	Yes	Transanal 7; transabdominal 2	Hand-sewn 1/9, hand-sewn J-pouch 3/9, stapled 5/9	Yes
Dumont, 2012	Yes	GelPOINT Path	No	GelPOINT	Yes	Transabdominal	Hand-sewn	Yes
de Lacy, 2013	Simultaneous	GelPOINT Path	No	3.2 ± 0.81 (range, 3-4)	NR	Transanal	Hand-sewn 13/20, stapled 7/20	16/20
Lacy, 2013	Simultaneous	GelPOINT Path	No	4	2/3	Transanal	Stapled	2/3
Rouanet, 2013	Not systematically	TEO proctoscope	No	NR	Yes	Transanal or transabdominal	Hand-sewn straight 12/30, hand-sewn J-pouch 18/30	Yes
Sylla, 2013	Simultaneous	TEO proctoscope	No	4 or 5	Yes	Transanal	Hand-sewn	Yes
Atallah, 2014	No	SILS™ Port or GelPOINT path	No	NR	Yes	NR	Hand-sewn straight 11/20, stapled 4/20	14/20
Chen, 2014	No or simultaneous	GelPOINT Path	No	GelPOINT + 1	4/20	Transanal or transabdominal	Hand-sewn 6/20, stapled 14/20	Loop colostomy 12/20, loop ileostomy 5/20
Chouillard, 2014	Yes	SILS™ Port or GelPOINT path	Yes (10/16)	GelPOINT	NR	NR	Hand-sewn	Loop ileostomy 4/16, permanent ileostomy 1/16, permanent colostomy 1/16
Fernandez-Hevia, 2014	Simultaneous	GelPOINT Path	No	4 or 5	14/37	Transanal 36; transabdominal 1	Hand-sewn 16/37, stapled 21/37	32/37
Kneist, 2014	No	SILS™ Port or GelPOINT path	No	3-5	Yes	Transanal	Hand-sewn J-pouch 2/6, hand-sewn E-E 2/6, hand-sewn S-E 1/6, stapled J-pouch 1/6	Yes
Meng, 2014	Simultaneous	TEM platform	No	5	Yes	Transabdominal	Stapled	NR
Tuech, 2014	Yes	SILS™ Port or GelPOINT path or Endorec®	No	4 or single port in future ileostomy site	NR	Transanal	Hand-sewn J-pouch 4/56, hand-sewn S-E 29/56, hand-sewn straight 13/56	Permanent colostomy 4/56, loop ileostomy 44/56
Velthuis, 2014	5/25	SILS™ Port or GelPOINT path	No	SILS™ Port	Yes	Transanal	Hand-sewn or stapled	Loop ileostomy 19/25, permanent colostomy 6/25
Wolthuis, 2014	Yes	GelPOINT Path	No	3	Yes	Transanal	Hand-sewn	Yes
Atallah, 2015	No	GelPOINT Path	No	NR	Yes	Transabdominal	Hand-sewn 3/4	Loop ileostomy 3/4, permanent ileostomy 1/4
Gomez Ruiz, 2015	No	Transanal access port proctoscope	No	4	Yes	Transanal	Hand-sewn straight 2/5, stapled 3/5	Yes
Knol, 2015	No	GelPOINT Path	No	4 or 5	8/10	Transanal 1; transabdominal 9	Hand-sewn 3/10, stapled 7/10	Yes
Muratore, 2015	Yes	SILS™ Port	No	3	Yes	Transanal	Hand-sewn straight 17/26, hand-sewn J-pouch 8/26	Yes
Prochazka, 2015	Yes	SILS™ Port or GelPOINT path or Endorec®	No	NR	Yes	Transanal	Hand-sewn	Yes

¹Values reported as the mean ± SD. E-E: End-to-end; NR: Not reported; S-E: Side-to-end.