Effects of pneumoperitoneum with carbon dioxide and helium on renal function and morphology in rats
Acta cir. bras
;
28(7): 494-498, July 2013. graf, tab
Artículo
en Inglés
| LILACS
| ID: lil-679080
ABSTRACT
PURPOSE:
To evaluate the effects of pneumoperitoneum with carbon dioxide and helium on renal function and morphology in a rat model.METHODS:
Twenty four rats were randomized into three groups (n=8) gasless insufflation ('open', Pressure=0 mmHg), carbon dioxide pneumoperitoneum at 12 mmHg, and helium pneumoperitoneum at 12 mmHg; all lasting 90 minutes.. A cystostomy was performed and the bladder was emptied. At the end of the experiment, the urine produced, a blood sample and the left kidney of each animal were collected. The following variables were obtained serum sodium, potassium, urea and creatinine, urine volume and creatinine. The creatinine clearance was estimated for each animal. The kidneys were stained with hematoxylin and eosin (HE) and evaluated by a pathologist blinded to the groups.RESULTS:
The CO2 and Helium groups did not differ in the variables evaluated. Both developed oliguria (p<0.001 vs. gasless). The CO2 group presented hyperkalemia compared to gasless (p=0.05), which did not attain significance in the helium group. Histopathological analysis revealed mild hydropic degeneration and congestion in the three groups, with no significant difference among them.CONCLUSIONS:
The type of gas resulted in no difference in the variables of renal function and morphology assessed. The increase in serum potassium was only observed with CO2 insufflation suggests a combined effect of elevated intra-abdominal pressure and metabolic effects of pneumoperitoneum.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Neumoperitoneo Artificial
/
Dióxido de Carbono
/
Helio
Tipo de estudio:
Estudios de evaluación
/
Estudio pronóstico
Límite:
Animales
Idioma:
Inglés
Revista:
Acta cir. bras
Asunto de la revista:
Cirugía General
/
Procedimentos Cir£rgicos Operat¢rios
Año:
2013
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
UnB/BR
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