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Table 5 Conditions associated with pulmonary aspiration

From: Perioperative hypoxemia is common with horizontal positioning during general anesthesia and is associated with major adverse outcomes: a retrospective study of consecutive patients

 

No aspiration

Aspiration

P-value

Number of patients

476

24

 

ASA level

2.8 ± 0.6

3.2 ± 0.6

0.0017

ASA level 4

3.9%

14.6%

0.0021

Fluid Input (mL per hour)

912 ± 458

1,037 ± 802

0.4551

OR minutes

125 ± 71

211 ± 127

0.0031

Not extubated in OR

1.9%

41.7%

< 0.0001

Post-op intubation > 24 hrs.

0.2%

20.8%

< 0.0001

Cranial procedure

3.4%

12.5%

0.0223

Decubitus position

4.1%

13.2%

0.0122

  1. ASA: American Society of Anesthesiologists; OR: operating room.