Comparison of continuous inflow occlusion, intermittent inflow occlusion and ischemic preconditionning: an experimental study on murine liver
Medical Journal of Cairo University [The]. 2003; 71 (Supp. 2): 1-10
in English
| IMEMR
| ID: emr-63798
ABSTRACT
The present study was carried out on 40 white female rats classified into four groups, 10 rats in each group. In the first group, a continuous vascular inflow occlusion for 30 minutes was carried out using microvascular clamps. In the second group, a continuous vascular inflow occlusion for 60 minutes was carried out. In the third group, intermittent vascular inflow occlusion for 60 minutes was carried out [15 minutes clamping and 5 minutes reperfusion for 3 successive cycles]. In the fourth group, ischemic preconditioning was carried out [10 minutes clamping and 15 minutes reperfusion, followed by continuous clamping for 60 minutes]. In all groups, these different ischemic protocols were followed by two-hour reperfusion. The ischemia-reperfusion injurious effects were assessed in the liver specimens using light microscopy as well as electron microscopy. Apoptosis, as a marker of ischemia-reperfusion injury, was evaluated in the liver specimens stained with specific TUNEL staining. The continuous inflow occlusion for 60 minutes is associated with a highly significant degree of hepatic parenchymal damage compared with the other groups
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Index:
IMEMR (Eastern Mediterranean)
Main subject:
Rats
/
Microscopy, Electron
/
Reperfusion Injury
/
Apoptosis
/
Ischemic Preconditioning
/
Ischemia
/
Liver
Limits:
Animals
Language:
English
Journal:
Med. J. Cairo Univ.
Year:
2003
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