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Plasma prostaglandin F2alpha and 15-keto-F2alpha concentrations during splanchnic artery occlusion shock

Plasma prostaglandin F2alpha and 15-keto-F2alpha concentrations during splanchnic artery occlusion shock

Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine 151(1): 193-197

Arterial plasma concentrations of PGF2alpha and 15-keto-PGF2alpha were determined in sham shock and splanchnic artery occlusion shock dogs. Arterial PGF2alpha concentrations (expressed as percentage of control) increased significantly in the SAO group when compared to the sham group during postrelease sampling periods. Similarly, 15-keto-PGF2alpha, a major metabolite of PGF2alpha also increased significantly in arterial blood in SAO shock. Comparison of 15-keto-PGF2alpha and PGF2alpha at each sampling period suggest that the efficiency of 15-hydroxyprostaglandin dehydrogenase is not impaired during SAO shock in the dog. However, the ability of the kidney and other organs to remove 15-keto-PGF2alpha from the circulation during SAO shock does appear to be significantly reduced. Although the changes in circulating concentrations of PGF2alpha are significant, the role of the increased prostaglandin is not clearly understood. We found no basis for any toxic effect of the PGF2alpha nor of any beneficial action. Others, however, have found exogenous PGF2alpha to improve survival in circulatory shock.

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Accession: 040991980

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PMID: 1250845

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