TABLE 1.

Mean ± SD heart rate (HR), mean arterial blood pressure (MBP), respiratory rate (f _R) and rectal temperature (RT) in dogs (n = 6) receiving lidocaine (LID) or ropivacaine (ROP) for IVRA

	Group	Base	10	Initiation of IVRA	10	20	30	40	50	60	End of IVRA	10	20	30	40	50	60
HR (beats/min)	LID	79 ± 14	103 ± 24		106 ± 29	122 ± 23	127 ± 18	121 ± 11	126 ± 12	129 ± 11		123 ± 27	137 ± 36	108 ± 23	89 ± 22	90 ± 11	82 ± 16
	ROP	87 ± 18	116 ± 21		125 ± 37	131 ± 33	133 ± 31	133 ± 34	131 ± 38	133 ± 25 ‡		127 ± 13 ‡	117 ± 17	125 ± 26	112 ± 29	107 ± 25	105 ± 33
MBP (mmHg)	LID	ND	65 ± 5		71 ± 10	100 ± 31	104 ± 29	112 ± 32	119 ± 19	123 ± 27		ND	ND	ND	ND	ND	ND
	ROP	ND	73 ± 15		79 ± 32	75 ± 25	87 ± 30	95 ± 31	98 ± 30	102 ± 25		ND	ND	ND	ND	ND	ND
f R (breaths/min)	LID	14 ± 2	8 ± 3		7 ± 3*, †	9 ± 3*	8 ± 2*, †	9 ± 2*	12 ± 4	14 ± 4*		13 ± 4	14± 4	12 ± 3	13 ± 3	13 ± 2	13 ± 2
	ROP	17 ± 4	12 ± 3		17 ± 4	17 ± 4	17 ± 5	17 ± 3	24 ± 5	23 ± 4		19 ± 3	15 ± 2	14 ± 2	15 ± 2	16 ± 3	15 ± 2
RT (˚C)	LID	38.6 ± 0.4	37.3 ± 0.3		37.3 ± 0.3 †	37.4 ± 0.2 †	37.4 ± 0.3 †	37.2 ± 0.2 †	37.3 ± 0.4 †	37.3 ± 0.3		37.7 ± 0.3	37.3 ± 0.4	37.9 ± 0.4	38.2 ± 0.4	38.4 ± 0.5	38.5 ± 0.4
	ROP	38.5 ± 0.2	37.5 ± 0.3 ‡		37.0 ± 0.3 ‡	37.6 ± 0.2	37.6 ± 0.3	37.5 ± 0.4	37.4 ± 0.5	37.4 ± 0.4		37.6 ± 0.5	37.2 ± 0.4	37.8 ± 0.4	38.0 ± 0.3	38.3 ± 0.3	38.2 ± 0.3

^*Significantly different from other group (p < 0.05).

^† Significantly different from baseline in LID treatment (p < 0.05).

^‡ Significantly different from baseline in ROP treatment (p < 0.05).