Table 1

Grades of mucosal injury after ischaemia and various reperfusion time peroids

Reperfusion after ischaemia (min)
Group 0 15 30 45 60 75
15 min’ ischaemia1 (0–1)2 (1–3)3 (3–4)3 (3–4)4 (4–5)1 (0–1)1-150
30 min’ ischaemia2 (1–3)4 (4–5)4 (4–5)1 (0–1)1-150 1 (0–1)1-150 1 (0–1)1-150
60 min’ ischaemia3 (3–5)
90 min’ ischaemia5 (4–5)
Sham ischaemia0 (0–1)0 (0–1)0 (0–1)0 (0–1)0 (0–1)0 (0–1)
  • 1-150 Destructive changes subsided after 75 minutes’ reperfusion followed by 15 minutes’ ischaemia, and 45 minutes’ reperfusion followed by 30 minutes’ ischaemia, respectively.