Table 2.
Comparison of in vivo left ventricular functional parameters in lean control untreated ZDF, ZDF + trientine, and ZDF + citric acid at 32 weeks of age. Values are presented as mean ± SEM. n = 4–6 per group. ∗ denotes P < .05 versus age-matched lean control. † denotes P < .05 versus untreated ZDF.
Heart rate (bpm) | Cardiac output (mL/min) | Stroke volume (μL) | End diastolic pressure (mmHg) | End systolic pressure (mmHg) | Max dP/dt | Min dP/dt | |
---|---|---|---|---|---|---|---|
Lean control | 291 ± 9 | 38 ± 2 | 121 ± 5 | 7 ± 0.4 | 132 ± 7 | 7244 ± 332 | −7533 ± 554 |
ZDF | 279 ± 7 | 39 ± 3 | 150 ± 9* | 10 ± 0.6* | 135 ± 7 | 7423 ± 500 | −6777 ± 518 |
ZDF + trientine | 270 ± 12 | 35 ± 4 | 130 ± 9 | 7 ± 0.3† | 136 ± 11 | 7184 ± 576 | −7392 ± 376 |
ZDF + citric acid | 248 ± 13* | 31 ± 2 | 122 ± 5 | 7 ± 0.5† | 129 ± 13 | 6509 ± 484 | −6659 ± 707 |