Cardiac Resynchronization Therapy Reduces Metaboreflex Contribution to the Ventilatory Response in Heart Failure Population

Table 4

Ventilatory variables during recovery with (RCO) and without (normal) regional circulatory occlusion. Values are given as means ± SEM. ^†𝑃=0.05 compared with data without RCO. ^∗𝑃<0.05 compared with data without RCO. ^#𝑃<0.05 compared with baseline.

Recovery	Parameters	Before CRT			After 6-month followup
		Normal	RCO	Delta	Normal	RCO	Delta
1st minute	VE (l/min)	40±13	43±9	2±7	45±9	41±9	−4±7
	RR (/min)	27±4	27±4	0.7±3	26±3	27±5	0.4±3
	VE/VCO2	39±11	39±11	−0.2±4	33±3	34±4	0.8±3
2nd minute	VE (l/min)	28±5	32±6	4±7	35±6	31±6	−4±6
	RR (/min)	22±4	24±4	2.5±2	24±4	23±4	−0.5±3
	VE/VCO2	40±11	42±11	1±4	35±3	37±5	3.5±5
3rd minute	VE (l/min)	23±4	26±5^†	𝟑±𝟒	27±4	26±4	−𝟏±𝟓
	RR (/min)	19±3	23±3^∗	𝟒.𝟓±𝟑	22±4	21±3	−𝟏±𝟑^#
	VE/VCO2	41±11	46±11^∗	𝟓.𝟓±𝟒	36±4	39±6	𝟑.𝟓±𝟒