Sildenafil Attenuates Hepatocellular Injury after Liver Ischemia Reperfusion in Rats: A Preliminary Study

Table 1

Liver pathology scoring.

Hepatocellular necrosis
<2 foci in every hepatic lobule	1
3–5 foci in every hepatic lobule	2
<5 foci in every hepatic lobule	3
Diffuse necrosis in zone 3	4
Presence of bridging necrosis	5
Extensive necrosis	6
Inflammatory infiltration of portal spaces
Mild inflammation	1
Moderate inflammation	2
Severe inflammation	3