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Effect of emulsified isoflurane preconditioning on renal ischemia-reperfusion injury in rats / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 496-498, 2013.
Artículo en Chino | WPRIM | ID: wpr-436308
ABSTRACT
Objective To evaluate the effect of 8% emulsified isoflurane preconditioning on renal ischemia-reperfusion (I/R) injury in rats.Methods Thirty-two male Sprague-Dawley rats,aged 10-13 weeks,weighing 220-300 g,were randomly divided into 4 groups (n =8 each)sham operation group (group S); I/R group;emulsified isoflurane preconditioning group (group E) ; intralipid preconditioning group (group I).Renal ischemia was induced by occlusion of the left renal pedicle for 45 min with atraumatic microclips followed by 3 h reperfusion.8 % emulsified isoflurane and 30 % intralipid 4 ml· kg-1· h-1 were infused intravenously for 30 min followed by 15 min washout before renal UR in groups E and I,respectively.Arterial blood samples were taken at 3 h of reperfusion to determine the concentrations of serum creatinine (Cr),cystatin C (Cys C),TNF-α,IL-6 and IL-10.The animals were then sacrificed and left kidneys were removed and stained with hematoxylin-eosin for microscopic examination and assessment of necrosis of renal proximal convoluted tubules (0 =normal,4 =necrosis of whole segment of proximal convoluted tubules).Results Compared with group S,the serum Cr,Cys C,TNF-α,IL-6 and IL-10 concentrations and severity of necrosis of renal proximal convoluted tubules were significantly increased in groups I/R,E and I (P < 0.05).The serum Cr,Cys C,TNF-α and IL-6 concentrations and severity of necrosis of renal proximal convoluted tubules were significantly lower,while the serum IL-10 concentration was higher in group E than in groups I/R and I (P <0.05).There was no significant difference in the indexes mentioned above between groups L and I/R (P > 0.05).The damage to renal tissues was less serious in group E than in groups I/R and L.Conclusion Preconditioning with 8 % emulsified isoflurane can attenuate renal I/R injury by inhibiting inflammatory responses in rats.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Anesthesiology Año: 2013 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Anesthesiology Año: 2013 Tipo del documento: Artículo