Comparisons of Metabolic Load between Adaptive Support Ventilation and Pressure Support Ventilation in Mechanically Ventilated ICU Patients

Table 2

Comparison of metabolic loads between different ventilatory modes.

	PS0	ASV PS0		PS8	ASVPS8		PS12	ASVPS12
MV (L/min)	9.1 ± 1	8.9 ± 0.9	0.51	9.3 ± 1.1	8.8 ± 1	0.49	8.7 ± 1	8.6 ± 1	0.51
EE (kcal)	1425 ± 76	1069 ± 73	<0.001	1284 ± 61	1116 ± 70	<0.001	1169 ± 58	1017 ± 70	<0.001
(ml)	218 ± 11	161 ± 10	<0.001	195 ± 9	164 ± 10	<0.001	178 ± 8	154 ± 10	<0.001
(ml)	143 ± 7	116 ± 9	<0.001	135 ± 7	120 ± 8	<0.001	121 ± 7	108 ± 8	<0.001
RQ	0.68 ± 0.1	0.69 ± 0.1	0.902	0.67 ± 0.1	0.71 ± 0.1	0.257	0.70 ± 0.1	0.70 ± 0.1	0.899

, comparisons between two modes. MV, minute ventilation; EE, energy expenditure; , oxygen consumption; , carbon dioxide production.