TABLE 1.
Changes in cystometric parameters after intravenous (i.v.) BAM 8–22 administration in normal rats.
Variable | Vehicle | BAM 8–22, μg/kg
|
|||
---|---|---|---|---|---|
3 | 10 | 30 | 100 | ||
Number of rats | 4 | 8 | 8 | 8 | 8 |
Mean ± SE | |||||
ICI, mins | |||||
before treatment | 9.69 ± 2.26 | 9.96 ± 1.77 | 10.14 ± 1.36 | 9.99 ± 1.29 | 10.12 ± 1.44 |
after treatment | 9.65 ± 2.11 | 9.99 ± 1.83 | 11.90 ± 1.04 | 14.16 ± 2.44*† | 16.91 ± 3.08*† |
BP, cmH2O | |||||
before treatment | 5.80 ± 0.77 | 5.44 ± 2.13 | 5.75 ± 1.68 | 5.40 ± 1.32 | 5.62 ± 1.51 |
after treatment | 5.58 ± 1.06 | 5.50 ± 2.18 | 5.70 ± 1.59 | 5.42 ± 1.28 | 5.49 ± 1.40 |
PT, cmH2O | |||||
before treatment | 7.12 ± 0.45 | 7.99 ± 1.03 | 8.53 ± 1.64 | 8.12 ± 1.76 | 7.98 ± 1.75 |
after treatment | 7.28 ± 0.52 | 8.04 ± 1.05 | 9.68 ± 1.55 | 12.44 ± 3.83*† | 20.28 ± 4.26*† |
MVP, cmH2O | |||||
before treatment | 27.5 ± 4.86 | 26.9 ± 3.65 | 26.1 ± 2.39 | 25.7 ± 2.08 | 26.1 ± 2.70 |
after treatment | 27.7 ± 4.06 | 26.0 ± 3.22 | 26.1 ± 2.50 | 35.5 ± 1.62*† | 40.4 ± 2.71*† |
PVR, ml | |||||
before treatment | 0.09 ± 0.03 | 0.09 ± 0.03 | 0.08 ± 0.02 | 0.09 ± 0.02 | 0.09 ± 0.02 |
after treatment | 0.08 ± 0.04 | 0.08 ± 0.02 | 0.08 ± 0.02 | 0.09 ± 0.01 | 0.09 ± 0.03 |
P <0.01 (paired t-test);
P <0.01 vs vehicle injection (Dunnett’s multiple comparison test)