AIM: To observe the effects of allopurinol, an activated xanthine oxidase (XO) inhibitor on myocardial contractility and intracellular calcium content of rats with chronic congestive heart failure.

• 目的:观察活化的黄嘌呤氧化酶抑制剂别嘌呤醇对慢性充血性心力衰竭大鼠心肌收缩力及细胞内钙含量的影响。