The use of VivaSight™ single lumen endotracheal tube in morbidly obese patients undergoing laparoscopic sleeve gastrectomy

Table 2 Data regarding endotracheal intubation and post-operative outcome

	VivaSight™ group	Control group	P value
	(N = 40)	(N = 32)
Endotracheal intubation
Duration (seconds)	29 ± 10	24 ± 8	P = 0.02
Grades of the direct laryngoscopic view
1/2/3/4*	14/23/3/0	8/23/1/0	NS
Intubation accomplished at first attempt	39	31	NS
Number of times blade was replaced	0	1	NS
Post-operative parameters
Laryngospasm	0	0	NS
Hoarseness	0	0	NS
Stridor	0	0	NS
Sore throat	2	3	NS
Soft tissue injury	0	3	P < 0.05
Tooth damage	0	0	NS

Notes:
Data are displaced at mean ± standard deviation (SD).
NS = not significant.
*Grades of the direct laryngoscopic views according to the Cormack-Lehane classification [18].

ISSN: 1471-2253