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Effect of seawater immersion on hemostatic function after burn in dog / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12)1996.
Artículo en Chino | WPRIM | ID: wpr-523271
ABSTRACT
Objective To study the influence of seawater immersion on hemostatic function after burn in dogs. Methods Twenty healthy adult mongrel dogs of beth sexes weighing 12-15 kg were randomly divided into two groups immersion group(n=10) and control group(n=10). The animals were anesthestized with 3% pentobarbital 30 mg?kg~(-1) i.v., intubated and mechanically ventilated. 5F Swan-Ganz catheter was placed via right internal jugular vein. 10% of the skin on the back was burnt(second degree). In immersion group the animals were immersed in seawater containing salt 25.3 g?L~(-1)(pH8.1, T21-23℃) with head and neck kept above water for 4h. In control group the animals suffered second degree burn of same area without being immersed in seawater. Blood samples were taken from Swan-Ganz catheter before burn(baseline)and 4,7,10,20,28 h after burn for determination of(1) circulating endothelial cell(CEC) count, (2)tissue-type plasminogen activator(t-PA), (3) plasminogen activator inhibitor(PAI) and (4) thromboxane B_2/6-keto-prostaglandin F_(1?)(TXB_2/6-k-PGF_(1?)). At the end of the experiment lung tissue was obtained for microscopic examination. Results The blood CEC count, PAI-1 level and TXB_2/6-k-PGF_(1?) ratio significantly increased while t-PA level significantly decreased at 4 h after burn in control group but at 4-28 h after burn in immersion group. The differences between the two groups were significant. Microscopic examination of the lung showed some thrombi in immersion group. Conclusion Burn causes acute damage to the endothelial cells of the whole body and disorder of hemostasis. They are more severe and last longer after seawater immersion.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Anesthesiology Año: 1996 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Anesthesiology Año: 1996 Tipo del documento: Artículo