PEEP Role in ICU and Operating Room: From Pathophysiology to Clinical Practice

Table 1

Main characteristics of RCTs for surgical patients included in this study.

Author	Year	Surgery	Low PEEP level	High PEEP level
Tusman et al. [21]	1999	Neurosurgical	0 cm H2O	10 cm H2O
Neumann et al. [22]	1999	Abdominal	0 cm H2O	10 cm H2O
Wetterslev et al. [24]	2001	Abdominal	0 cm H2O	Best PEEP
Meininger et al. [25]	2005	Laparoscopic	0 cm H2O	5 cm H2O
Whalen et al. [27]	2006	Laparoscopic	4 cm H2O	12 cm H2O
Talab et al. [29]	2009	Laparoscopic bariatric	0 cm H2O	5–10 cm H2O
Reinius et al. [30]	2009	Bariatric	0 cm H2O	10 cm H2O
Kim et al. [26]	2010	Laparoscopic	0 cm H2O	5 cm H2O
Futier et al. [31]	2013	Abdominal	0 cm H2O	6–8 cm H2O
Severgnini et al. [32]	2013	Abdominal	0 cm H2O	10 cm H2O