Table 2.

Prolonged infusions of urotensin II at a dose rate of 0.1 pmol min⁻¹

Variable	Baseline	15 min	30 min	45 min	60 min	Significance of trend
Systolic BP (mmHg)	123 ± 3	124 ± 2	125 ± 3	125 ± 4	126 ± 3	0.47
Diastolic BP (mmHg)	70 ± 2	71 ± 3	72 ± 3	72 ± 3	71 ± 3	0.65
Mean arterial pressure (mmHg)	88 ± 2	88 ± 2	89 ± 3	90 ± 2	89 ± 3	0.40
Heart rate (bpm)	55 ± 5	55 ± 4	53 ± 4	54 ± 4	55 ± 4	0.49
Absolute FBF (ml 100 ml−1 min−1)	2.60 ± 0.37	2.64 ± 0.44	2.87 ± 0.47	2.50 ± 0.38	2.57 ± 0.31	0.37
Ratio (infused/control arm)	1.02 ± 0.07	1.06 ± 0.11	1.18 ± 0.15	1.05 ± 0.12	1.06 ± 0.09	0.18
Change in FBF ratio (%)		1.9 ± 4.0	12.5 ± 8.1	1.0 ± 6.0	3.9 ± 6.4	0.27

Data are presented as mean ± SEM. BP, blood pressure; FBF, forearm blood flow.