Comparison of the Proseal, Supreme, and I-Gel SAD in Gynecological Laparoscopic Surgeries

Table 2

Airway insertion characteristics, oropharyngeal leak pressure, and ventilatory parameters of each group.

	Proseal	Supreme	I-gel	value
SAD size number: 3/4/5	3/26/6	3/19/13	16/19/0
SAD insertion attempts
1	26 (74.3)	30 (85.7)	33 (94.3)
2	8 (22.9)	4 (11.4)	2 (5.7)
3	1 (2.9)	1 (2.9)	0 (0)
Reported ease of placement
1: easy	21 (60.0)	27 (77.1)	32 (91.4)
2: not so easy	11 (31.4)	7 (20.0)	3 (8.6)
3: difficult	3 (8.6)	1 (2.9)	0 (0)
4: very difficult	0	0	0
5: impossible	0	0	0
Successful SAD placement time (sec)	12.2 ± 1.2	12.9 ± 1.0	6.7 ± 1.2	<0.001^*
Ease of gastric tube insertion
1: easy	27 (77.1)	31 (88.6)	32 (91.4)	0.195
2: difficult	8 (22.9)	4 (11.4)	3 (8.6)	0.208
3: impossible	0	0	0
Gastric aspiration (mL)	4.0	3.2	3.2
Oropharyngeal leak pressure (cmH2O)
Initial	23.9 ± 2.4	24.9 ± 2.9	21.0 ± 3.6	0.001^*
At 30 min	25.0 ± 2.3	25.0 ± 1.9	28.3 ± 2.4	0.001^*
At 60 min	24.2 ± 2.1	24.8 ± 2.2	29.5 ± 1.2	0.001^*
Airway pressure: cmH2O
Before pneumoperitoneum	18.7 ± 0.8	18.9 ± 0.7	18.40 ± 0.7	0.106
After pneumoperitoneum	21.4 ± 0.9	21.3 ± 1.1	21.37 ± 1.1	0.081
Intra-abdominal pressure: cmH2O	13.4 ± 0.7	13.4 ± 0.8	13.0 ± 0.7	0.051
respiratory rate: min	11.7 ± 0.5	11.6 ± 0.4	11.4 ± 0.5	0.106
Inspiration tidal volume: mL	510.1 ± 66.5	540.4 ± 94.0	500.5 ± 66.7	0.081
Expiration tidal volume: mL	525.7 ± 66.0	557.3 ± 102.5	513.8 ± 69.7	0.072
Inspiration-expiration tidal volume difference: mL	15.6 ± 6.6	14.2 ± 4.3	13.2 ± 4.6	0.163
pH of the anterior face SAD	6-7 (6.1)	5–7 (6.1)	5–7 (6.1)	0.948
pH of the posterior face SAD	5–7 (6.3)	5–7 (6.1)	5–7 (6.5)	0.043

Data are presented as number, number (proportion), mean ± SD, or min–max (mean). (i-gel compared to proseal and supreme).