9 hours after hypoxia, pathological changes appeared in cells, lactic acid dehydrogenase (LDH) and creatine kinase (CK) levels in the culture medium significantly increased and 1/3 of the cells ceased beating.

• 9h后约有1/3细胞停搏,细胞形态改变,上清液内乳酸脱氢酶(LDH)和肌酸激酶(CK)明显增高。