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  • Title: [Acute effect of dobutamine and amrinone on hemodynamics and splanchnic perfusion in septic shock patients].
    Author: Hernández G, Gigoux J, Bugedo G, Castillo L, Bruhn A, Tomicic V, Dagnino J.
    Journal: Rev Med Chil; 1999 Jun; 127(6):660-6. PubMed ID: 10513074.
    Abstract:
    BACKGROUND: Vasoactive drugs used in the reanimation of septic patients, can modify splanchnic perfusion. AIM: To compare the effects of dobutamine and amrinone on gastric intramucosal pH (pHi), lactate levels and hemodynamics in surgical patients with compensated septic shock. PATIENTS AND METHODS: Fourteen postoperative patients with abdominal sepsis and compensated septic shock (pHi < 7.32 or lactate > 2.5 mmol/l) were studied in a prospective, randomized, unblinded study. Patients were randomized to receive (Group 1, n = 7) dobutamine at 5 micrograms/Kg/min or (Group 2, n = 7) amrinone at 5 micrograms/Kg/min. Hemodynamic data, arterial lactate and pHi were measured before and 30, 60 and 120 minutes after starting drug infusion. RESULTS: Both drugs were associated with a decrease in lactate levels. Dobutamine infusion, but not amrinone, increased gastric pHi, as well as cardiac index and oxygen delivery. CONCLUSIONS: An improvement in gastric pHi associated with an increase in oxygen delivery, was observed with dobutamine. Amrinone showed no effect at the fixed, low dose used in the study.
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