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Acta Cirúrgica Brasileira
Print version ISSN 0102-8650
Abstract
D'ACAMPORA, Armando José and LOCKS, Giovani de Figueiredo. Median lethal needle caliber in two models of experimental sepsis. Acta Cir. Bras. [online]. 2014, vol.29, n.1, pp.1-6. ISSN 0102-8650. https://doi.org/10.1590/S0102-86502014000100001.
PURPOSE:
To estimate the median lethal needle caliber (LC50) of a new experimental sepsis model and compare it to the LC50 of the cecal ligation and puncture (CLP) sepsis model.
METHODS:
Male albino Wistar rats were studied (n=22). Animals were allocated into two study groups. In Group I, experimental sepsis was induced by cecal ligation and puncture. In Group II, experimental sepsis was induced by ascending colon ligation and cecal puncture. Up-and-down method was used to determinate the LC50.
RESULTS:
LC50 in Group I was 19 Gauge (Confidence Interval 17 to 22 Gauge). Determination of LC50 was not possible in Group II due to the death of all animals.
CONCLUSION:
LC50 in cecal ligation and puncture is 19 Gauge. The lethality of the new model tested in this trial is very high.
Keywords : Sepsis; Disease Models, Animal; Rats.
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