Abstract:Inotropic support in ischemic acute heart failure (AHF) is controversial. We tested a therapeutic principle for AHF by combining a low dose of omecamtiv mecarbil (OM; 0.25 mg/kg bolus plus 0.25 mg/kg/h) with a low dose of dobutamine (Dobut; 1.25 µg/kg/min). In 10 pigs subjected to myocardial ischemia by left coronary microembolization, this cotreatment increased cardiac power (CP) from 0.48 ± 0.14 to 0.81 ± 0.22 W ( P < .05). When the drugs were given as a monotherapy, CP increased from 0.57 ± 0.11 to 0.65 … Show more
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