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- Author or Editor: María E. Trujillo-Ortega x
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Objective—To determine effects of 2 doses of caffeine on metabolic variables in neonata pigs with peripartum asphyxia
Animals—180 neonatal pigs
Procedures—Neonatal pigs were assigned to 2 groups (groups P and F) on the basis of results for a vitality scale (passed or failed, respectively). Within each group, there were 3 subgroups of 30 pigs each. Within each group, the 3 subgroups received a placebo that consisted of an empty gelatin capsule, a gelatin capsule that contained 20 mg of caffeine, and a gelatin capsule that contained 35 mg of caffeine, respectively; all capsules were administered orally (0 hours). Blood samples were collected immediately before and 24 hours after capsule administration.
Results—Pigs in groups P and F that received 20 or 35 mg of caffeine had significant increases in triglyceride concentrations. All pigs in groups P and F had a significant decrease in lactate concentrations, although the placebo-treated pigs in group F had larger decreases than did the group F pigs treated with 20 or 35 mg of caffeine. Glucose concentrations increased significantly in group F pigs treated with 20 or 35 mg of caffeine (30% and 50%, respectively), whereas glucose concentrations remained unchanged in group P pigs. In pigs treated with 35 mg of caffeine, the final weight obtained for group F was approximately 8% lower than that obtained for group P
Conclusions and Clinical Relevance—Administering caffeine immediately after birth to neonatal pigs with severe oxygen restriction resulted in significant improvements in metabolic variables. (Am J Vet Res 2010;71:1214-1219)