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Table 2 Factors related to the device insertion

From: A prospective, randomized comparison of the LMA-protector™ and i-gel™ in paralyzed, anesthetized patients

 

i-gel™

(n = 55)

LMA-Protector™

(n = 55)

P-value

Number of insertion attempts

 one

51 (93)

50 (91)

1.000

 two

4 (7)

5 (9)

 three

0 (0)

0 (0)

Insertion time (sec)

19 (16)

27 (16)

< 0.001

Airway leak pressure (cmH2O)

27 (6)

31 (7)

0.016

Ease of insertion

 Easy

45 (82)

37 (67)

0.125

 Fair

10 (18)

18 (33)

 Difficult

0 (0)

0 (0)

Fibreoptic examination

 Only vocal cords

44 (80)

9 (16)

< 0.001

 Vocal cords and posterior part of the epiglottis

8 (15)

28 (51)

 Vocal cords and anterior part of the epiglottis

3 (5)

11 (20)

 Vocal cords not seen, but adequate ventilation

0 (0)

7 (13)

Ease of gastric tube insertion

 First attempt

51 (93)

27 (49)

< 0.001

 Second attempt

3 (5)

19 (35)

 

 Impossible

1 (2)

9 (16)

 

Blood staining on the device

4 (7)

13 (24)

0.033

  1. Values are means (SD) or number of patients (%)