TABLE 1.
Parameter | Control | HF | HYD | OLM + AZE | APO |
---|---|---|---|---|---|
Body weight (g) | 417 ± 16 | 376 ± 24 | 406 ± 17 | 412 ± 19 | 401 ± 21 |
Heart rate (bpm) | 416 ± 12 | 478 ± 23 | 501 ± 16 | 426 ± 18 | 450 ± 16 |
SBP (mm Hg) | 151 ± 4 | 229 ± 3* | 205 ± 208† | 208 ± 5† | 217 ± 6 |
LVW:BW (mg/g) | 2.2 ± 0.1 | 3.5 ± 0.3* | 2.7 ± 0.2† | 2.4 ± 0.2‡ | 2.8 ± 0.3† |
Lung weight (wet/dry) | 4.2 ± 0.3 | 6.7 ± 0.5* | 5.2 ± 0.4† | 4.3 ± 0.3‡ | 4.9 ± 0.4† |
IVST (mm) | 1.4 ± 0.1 | 2.1 ± 0.1* | 1.7 ± 0.1† | 1.6 ± 0.1† | 1.8 ± 0.1† |
LVDd (mm) | 7.1 ± 0.1 | 9.4 ± 0.4* | 8.1 ± 0.2† | 7.4 ± 0.2† | 8.2 ± 0.3† |
LVFS (%) | 46 ± 1 | 34 ± 2* | 43 ± 1† | 48 ± 2† | 41 ± 1† |
dp/dtmax (mm Hg/s) | 9284 ± 1124 | 7127 ± 927* | 9467 ± 2034† | 11,990 ± 1113‡ | 10,132 ± 2314† |
dp/dtmin (mm Hg/s) | 12,167 ± 1466 | 7796 ± 1019* | 9039 ± 2405* | 13,167 ± 917‡ | 10,800 ± 2014*† |
T1/2 (ms) | 3.4 ± 0.1 | 5.5 ± 0.2* | 4.9 ± 0.3* | 3.7 ± 0.2‡ | 4.4 ± 0.2*† |
LVEDP (mm Hg) | 4.8 ± 0.5 | 16.5 ± 1.5* | 14.5 ± 1.4* | 6.9 ± 0.5‡ | 9.3 ± 1.5*† |
Elastolytic activity | 450 ± 56 | 1980 ± 134* | 1810 ± 201* | 750 ± 88† | 1259 ± 109† |
Ang II (pg/mg LVW) | 155 ± 13 | 360 ± 43* | 346 ± 51* | 178 ± 45† | 308 ± 65* |
Elastolytic activity is expressed in fluorescence units. Data are means ± SEM for at least 6 animals of each group.
P < 0.05 versus control group;
P < 0.05,
P < 0.01 versus HF group.
Ang II, angiotensin II; BW, body weight; IVST, interventricular septum; LVEDP, left ventricular end-diastolic pressure; LVFS, left ventricular fractional shortening; LVW, left ventricular weight; SBP, systolic blood pressure.