Laparoscopic colorectal surgery: Current status and implementation of the latest technological innovations

Table 1 Summary of key studies comparing the use of laparoscopy and open surgery in patients with cancer

Ref.	n (open vs lap)	Study	Results
Guillou et al[5] 2005	794 (268/526)	RCT multicentre	Short term
			Similar results
Lujan et al[59] 2009	204 (103/101)	RCT unicentre	Short term
			Similar results
van der Pas et al[60] 2013	1103 (364/739)	RCT multicentre	Short term
			Similar results
Arezzo et al[62] 2015	10861	Systematic review	Short term
			Similar results
Chen et al[64] 2014	953	Meta-analysis	Short-term
			Similar results
Ng et al[65] 2014	278 (142/136)	3 RCT	Long-term
		3 yr follow-up	similar results
Trastulli et al[66] 2012	1544 (703/841)	Meta-analysis	Short term
		9 RCT	Similar results
Xiong et al[67] 2012	624 (316/308)	Meta-analysis	Short term
		4 RCT	Similar results

RCT: Randomised controlled trial.

Table 2 Intracorporeal vs extracorporeal anastomosis in right laparoscopic colectomy

Ref.	n (IA/EA)	Study	Results
Milone et al[74] 2015	512 (286/226)	Multicentre	Similar results
		Observational
Grams et al[75] 2012	105 (54/51)	Restrospective	Better for IA
Scatizzi et al[76] 2010	80 (40/40)	Case-control	Similar results
Hellan et al[77] 2009	80 (23/57)	Prospective	Similar results
Carnuccio et al[78] 2014	484 (272/212)	Systematic review	Similar results

IA: Intracorporeal anastomosis; EA: Extracorporeal anastomosis.