INHIBITION OF PROSTAGLANDIN SYNTHESIS RESTORES NORMAL HEMODYNAMICS IN CANINE HYPERDYNAMIC SEPSIS
INHIBITION OF PROSTAGLANDIN SYNTHESIS RESTORES NORMAL HEMODYNAMICS IN CANINE HYPERDYNAMIC SEPSIS
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DOI:
10.1097/00000658-198411000-00011
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发表时间:
1984-01-01
影响因子:
9
通讯作者:
CASEY, LC
中科院分区:
文献类型:
--
作者:
FINK, MP;MACVITTIE, TJ;CASEY, LC
This study investigates the role of prostaglandins (PG) in hyperdynamic sepsis. Thirteen chronically instrumented dogs were rendered septic by implanting in the peritoneal cavity a fibrin clot containing viable Escherichia coli. One day later, cardiac output (CO) increased from 2.80 .+-. 0.22 to 3.72 .+-. 0.32 l/min (P = 0.011); heart rate (HR) increased from 122 .+-. 8 to 147 .+-. 6 beats/min (P = 0.005); mean pulmonary artery pressure (PAP) increased from 15 .+-. 1 to 19 .+-. 1 mm Hg (P = 0.003); mean systemic arterial pressure (MAP) decreased from 120 .+-. 5 to 107 .+-. 7 mm Hg; and systemic vascular resistance (SVR) decreased from 44.1 .+-. 2.6 to 29.3 .+-. 1.9 mm Hg/l per min (P < 0.001). Sixty minutes after i.v. injection of indomethacin (2 mg/kg) or ibuprofen (25 mg/kg), CO decreased to 2.60 .+-. 0.21 l/min (P < 0.001); HR decreased to 118 .+-. 5 beats/min (P < 0.001); PAP decreased to 17 .+-. 1 mm Hg (P = 0.021); and SVR increased to 43.7 mm Hg/l per min (P < 0.001). In 7 control dogs, laparotomy alone did not significantly affect any of these parameters. Infusion of indomethacin caused a slight increase in MAP (106 .+-. 4 to 116 .+-. 4 mm Hg, P = 0.035) but otherwise did not alter hemodynamics. It is concluded that administration of indomethacin or ibuprofen restores normal hemodynamics in a canine model of high-output sepsis, probably by inhibiting PG synthesis.