Pentobarbital potentiates natriuretic response to acute volume expansion in monkeys. 1988

J P Gilmore, and K G Cornish, and M W Barazanji
Department of Physiology, University of Nebraska College of Medicine, Omaha 68105.

We determined the influence of pentobarbital sodium on the renal responses of the monkey to acute intravascular volume expansion. Before volume expansion, the anesthetized animals had a significantly lower blood pressure and creatinine clearance and a significantly higher urine flow and sodium excretion than the conscious animals. After volume expansion with an isotonic, isoncotic, dextran solution, sodium excretion and urine flow increased significantly in both groups of animals. However, both responses were significantly greater in the anesthetized animals. The greater natriuresis in the anesthetized animals was associated with a greater fractional sodium excretion than in the conscious animals. The potentiated response of the anesthetized animal may be the result of a direct renal tubular effect of pentobarbital and/or the result of the anesthetic removing an inhibitory influence on sodium excretion.

UI MeSH Term Description Entries
D008253 Macaca mulatta A species of the genus MACACA inhabiting India, China, and other parts of Asia. The species is used extensively in biomedical research and adapts very well to living with humans. Chinese Rhesus Macaques,Macaca mulatta lasiota,Monkey, Rhesus,Rhesus Monkey,Rhesus Macaque,Chinese Rhesus Macaque,Macaca mulatta lasiotas,Macaque, Rhesus,Rhesus Macaque, Chinese,Rhesus Macaques,Rhesus Macaques, Chinese,Rhesus Monkeys
D009318 Natriuresis Sodium excretion by URINATION. Natriureses
D010215 Papio A genus of the subfamily CERCOPITHECINAE, family CERCOPITHECIDAE, consisting of five named species: PAPIO URSINUS (chacma baboon), PAPIO CYNOCEPHALUS (yellow baboon), PAPIO PAPIO (western baboon), PAPIO ANUBIS (or olive baboon), and PAPIO HAMADRYAS (hamadryas baboon). Members of the Papio genus inhabit open woodland, savannahs, grassland, and rocky hill country. Some authors consider MANDRILLUS a subgenus of Papio. Baboons,Baboons, Savanna,Savanna Baboons,Baboon,Baboon, Savanna,Papios,Savanna Baboon
D010424 Pentobarbital A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236) Mebubarbital,Mebumal,Diabutal,Etaminal,Ethaminal,Nembutal,Pentobarbital Sodium,Pentobarbital, Monosodium Salt,Pentobarbitone,Sagatal,Monosodium Salt Pentobarbital
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D001810 Blood Volume Volume of circulating BLOOD. It is the sum of the PLASMA VOLUME and ERYTHROCYTE VOLUME. Blood Volumes,Volume, Blood,Volumes, Blood
D003404 Creatinine Creatinine Sulfate Salt,Krebiozen,Salt, Creatinine Sulfate,Sulfate Salt, Creatinine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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