2000
DOI: 10.1139/y00-056
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Acid-base analysis during experimental anemia in rats

Abstract: The present study evaluated the acid-base status of anemic rats by using two approaches of acid-base analysis: one based on the base excess (BE) calculation and the other based on Stewart's physicochemical analysis. Two sets of experimental data, derived from two different methods of inducing anemia, were used: repetitive doses of phenylhydrazine (PHZ) and bleeding (BL). A significant uncompensated respiratory alkalosis was found in both groups of anemic rats. BE increased slightly, whereas strong ion differen… Show more

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Cited by 4 publications
(6 citation statements)
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“…Phenylhydrazine induces many changes at the cellular level [14]. For example, it can modulate immune reactions [22], induce compensatory erythropoietin increase [13], vascular dysfunction, haemodynamic disturbance, a decrease in mean arterial pressure and hind limb vascular resistance [23], uncompensated respiratory alkalosis, increased arterial CO 2 tension and acidosis [24,25], skin and eye irritation [26]. Phenylhydrazine may also express genotoxic activity [27].…”
Section: Discussionmentioning
confidence: 99%
“…Phenylhydrazine induces many changes at the cellular level [14]. For example, it can modulate immune reactions [22], induce compensatory erythropoietin increase [13], vascular dysfunction, haemodynamic disturbance, a decrease in mean arterial pressure and hind limb vascular resistance [23], uncompensated respiratory alkalosis, increased arterial CO 2 tension and acidosis [24,25], skin and eye irritation [26]. Phenylhydrazine may also express genotoxic activity [27].…”
Section: Discussionmentioning
confidence: 99%
“…En cuanto al uso crónico de dosis de PHZ hemos encontrado que Redondo et al (1995) utilizando una dosis diaria de 12,5 mg/kg intraperitoneal, 21 días consecutivos, en ratas Wistar macho con 3 meses de edad y un peso de 325 g, obtuvieron valores para el hematocrito de 43, 39, 34, 30, 35 y 48% los días 0, 1, 3, 6, 10 y 28, respectivamente. Pesquero et al (2000) utilizan una dosis de 12,5 mg/kg durante 8 días en ratas Sprague-Dawley macho de 300-400 g, refiriendo el día 0 valores del 46,7% y el día 9, del 31,5%. Naughton et al (1989) empleando una dosis intraperitoneal inicial de 40 mg/kg y posteriormente una dosis de 20 mg/kg, cada 7 días durante 6 semanas, en ratas macho Long-Evans de 165-235 g, encuentran valores del 45, 42, 33, 35, 38, 37 y 45%, los días 0, 3, 5, 7, 14, 21 y 42, respectivamente.…”
Section: Hematocritounclassified
“…Así Redondo et al (1995) emplean una dosis diaria de 12,5 mg/kg intraperitoneal, 21 días consecutivos, en ratas Wistar macho con 3 meses de edad y un peso de 325 g siendo la hemoglobina obtenida de 16 g/dl, 12,5 g/dl y 10,9 g/dl los días 0, 3 y 10, respectivamente. Pesquero et al (2000) utilizan una dosis de 12,5 mg/kg durante 8 días en ratas Sprague-Dawley macho de 300-400 g y obtienen 15,4 g/dl el día 0 y 6,7 g/dl el día 9. En este caso la recuperación no es tan rápida como en el hematocrito debido a la reticulocitosis ya que los reticulocitos no están saturados de hemoglobina.…”
Section: Hemoglobinaunclassified
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