Assessment of Ventilation Distribution during Laparoscopic Bariatric Surgery: An Electrical Impedance Tomography Study

Table 4

Mean blood pressure (MBP) and heart rate (HR): median (IQR).

Parameter	Group	T1	T2	T3	T4	T5
MBP (mmHg)	PEEP 0	107,5 (99,5–113)	85,5 (76,5–95)	93,5 (84,5–114,5)	78,5 (69,5–98,5)	95 (90–100)
	PEEP 10	108 (101–118)	81 (76–87)	101 (89–115)	90 (77–109)	99 (90–105)
		PEEP 0: T1 versus T2, T2 versus T3, T2 versus T5, T3 versus T4, and T4 versus T5; p < 0,013 and T2 versus T4; p > 0,05 (NS)
		PEEP 10: T1 versus T2, T2 versus T3, and T2 versus T5; all p < 0,002 and T2 versus T4, T3 versus T4, and T4 versus T5; p > 0,05 (NS)
		PEEP 0 versus PEEP 10: T1–T5; all p > 0,05 (NS)
HR (1/min)	PEEP 0	88 (81,5–96,0)	84 (78–89)	83,5 (79–905)	83,5 (75,5–96,5)	77,5 (66–80,5)
	PEEP 10	83 (80–92)	78 (72–88)	80 (71–88)	85 (75–95)	77 (68–83)
		PEEP 0: T1 versus T2, T2 versus T5, and T4 versus T5; p < 0,049, T2 versus T3, T2 versus T4, and T3 versus T4; p > 0,05 (NS)
		PEEP 10: T4 versus T5; p < 0,013, T1 versus T2, T2 versus T3, T2 versus T4, T2 versus T5, and T3 versus T4; p > 0,05 (NS)
		PEEP 0 versus PEEP 10: T1–T5; all p > 0,05 (NS)