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1.
Braz. j. med. biol. res ; 23(11): 1133-7, 1990. ilus
Article in Portuguese | LILACS | ID: lil-91614

ABSTRACT

The behavioral effects of intravrnticular 1-micronl injections of adrenaline and noradrenaline (both in a concentration of 30 nmol/micronl) were wxamined in pigeons bearing cannule chronically implanted into the lateral ventricles. Injections of either catcholoamine evoked immediate and intense bouts of feeding behavior, followed by long-lasting incrases in sleep duration (50-90% higher than vehicle-treated subjects) in pigeons given free access to food during the observation period. Pigeons treated with adrenaline or vehicle only, and placed in a cage without the feeder set (food-deprived durngi the observation period), exhibited late increases in exploratory and preening behaviors, and less sleep than controls (vehicle-treated pigeons with free access to food). These data suggest that post-prandial sleep in this situation may represent a by-product of feeding-related processes evoked by both catecholamines


Subject(s)
Animals , Male , Female , Behavior, Animal/drug effects , Epinephrine/physiology , Norepinephrine/physiology , Columbidae , Exploratory Behavior , Feeding Behavior , Epinephrine/administration & dosage , Grooming/drug effects , Injections, Intraventricular , Norepinephrine/administration & dosage , Pharmaceutical Vehicles/administration & dosage , Sleep/drug effects
2.
Rev. mex. anestesiol ; 19(2): 61-4, abr.-jun. 1996. tab
Article in Spanish | LILACS | ID: lil-180469

ABSTRACT

La medicación preanestésica es de gran utilidad para los niños sometidos a cirugía electiva ambulatoria, se administra fácilmente y es bien aceptada por vía oral. Se administraron dosis de midazolam y ketamina por vía oral de 0.75 mg/kg y 6 mg/kg respectivamente utilizando como vehículo jugo de manzna, en dos grupos de pacientes de 20 cada uno, en niños de 1-10 años de edad. Se observó el grado de sedación, calidad de la separación familiar y facilidad para la aplicación de venopunción a los 15 y 30 minutos después de su administración, grado de amnesia y tiempo de recuperación. El inicio de acción y calidad de sedación resultaron con p< 0.05 a favor del midazolam, el resto de las observaciones registradas fueron similares en ambos grupos


Subject(s)
Humans , Child , Pediatrics , Pharmaceutical Vehicles/administration & dosage , Beverages , Midazolam/administration & dosage , Midazolam/pharmacokinetics , Anesthesia, General , Ketamine/administration & dosage , Ketamine/pharmacokinetics , Administration, Oral , Premedication/methods
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